Literatura académica sobre el tema "Concord monitor"
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Artículos de revistas sobre el tema "Concord monitor"
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Corash, Laurence, Fabrice Cognasse, Jean-Claude Osselaer, Natalie Messe, Maryse Van Hooydonk y Olivier Garraud. "Cytokines in Platelet Components Associated with Acute Transfusion Reactions: The Role of sCD40L." Blood 108, n.º 11 (16 de noviembre de 2006): 952. http://dx.doi.org/10.1182/blood.v108.11.952.952.
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Abstract Background. Acute transfusion reactions (ATR) have been attributed to antibodies directed against HLA antigens in platelet components (PLT). Cytokines and chemokines, released from PLT during storage are postulated to mediate ATR, clinical refractoriness, and graft vs. host disease. Reduced plasma levels and leuko-depletion of PLT lower the frequency of some, but not all, ATR and allo-immunization. Among platelet factors, soluble CD40L (sCD40L) plays a key role in immunology. CD40/CD40L are strongly expressed by activated platelets and CD40L is cleaved to sCD40L. More than 95% of sCD40L in blood is derived from platelets. CD40 is a major regulator of cellular immune interactions and CD40L stimulates monocytes and T cells, suggesting a pleiotropic role for CD40L. Prior studies suggest sCD40L with other mediators are responsible for ATR, especially fever. Aims. As part of a safety study to monitor ATR for PLT prepared with pathogen inactivation, we identified transfusions associated with ATR. Implicated PLT were sampled to characterize cytokine/chemokine profiles in comparison to PLT not associated with ATR(control). Methods. PLT were collected by apheresis at the Mont Godinne Blood Transfusion Center (BTCMG) with process leuko-reduction, suspended in 35% donor plasma and 65% additive solution (Intersol, Baxter, France) and treated with 150uM amotosalen and 3 J/cm2 UVA for pathogen inactivation (INTERCEPT, Cerus, Concord, CA). Treated PLT were stored up to 7 days until issued for transfusion. Transfusion of PLT required completion of a case report form to monitor the response to transfusion. PLT implicated in ATR were sampled to determine cytokine profiles. Frozen samples (−20 °C) of PLT were sent to EFS Auvergne Loire to assay CD62p(ng/mL), PDGF-AB(ng/mL), IL8(pg/mL), and sCD40L(pg/mL) by specific enzyme linked immunosorbent assays in platelets (plt) and supernatant (s) fractions isolated from the implicated PLT. Cytokine levels in PLT without ATR (Control) were measured in 10 PLT after 5 and 7 days of storage (5d CTL; 7d CTL). Results. In the 18-months after adoption of INTERCEPT PLT compared to the 18-months prior, ATR decreased from 1.3% to 0.9% of transfusions (n = 7,580: Blood2005;106(11):29a). After initiation of the current study, 4 transfusions with ATR had samples available: one with 4-day old PLT (0451) and 3 with 7-day old PLT (0715, 0561, 0536). Supernatants of PLT implicated in ATR contained higher sCD40L levels compared to Control PLT (Table). Increased sCD40L levels in supernatants of PLT implicated in ATR correlated with decreased levels in plt lysates. Levels of IL8, CD62p and PDGFAB, were similar to Control values. Conclusions. In this pilot study, sCD40L was elevated in supernatants and decreased in the platelets of PLT associated with ATR. Other cytokines (CD62p, PDGF, and IL8) were not consistently altered in PLT implicated in ATR. Parameter 5d CTL ATR0451 7d CTL ATR0715 ATR0561 ATR0536 CD62p-S 115 104 119 105 95 92 CD62p-P 141 109 139 61 114 105 PDGF-S 15.8 26.8 17.5 N a 20.1 21.6 PDGF-P 24.9 31.3 23.2 N a 23.1 20.5 sCD40L-S 237 321 201 1024 626 337 sCD40L-P 474 32 314 0 0 44 IL8 -S 117 131 120 131 132 133 IL8-P 117 132 120 131 131 140
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Beswick-Honn, Jessica M., Thomas M. Peters y T. Renée Anthony. "Evaluation of Low-Cost Hydrogen Sulfide Monitors for Use in Livestock Production". Journal of Agricultural Safety and Health 23, n.º 4 (2017): 265–79. http://dx.doi.org/10.13031/jash.12530.
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Abstract. Direct-reading gas monitors warn workers of the risk of potentially fatal hydrogen sulfide (H2S) exposures that may arise during manure handling. Low-cost, low-maintenance H2S monitors are available from many manufacturers, but differences in their features and performance make selection challenging for farmers. Moreover, little information is available on the practical maintenance and performance of these devices in agricultural environments. The objective of this study was to provide information to agricultural workers to aid in the selection, maintenance, and use of low-cost H2S monitors. This laboratory study evaluated the performance of several low-cost monitors over a simulated period of use of one year in a swine barn. Four models were exposed to H2S concentrations of 1 to 10 ppm over 18 weeks to examine the drift in reported concentration and changes in the alarm reaction time. Over the simulated barn year, the performance of alarm-only monitors declined faster than that of monitors displaying the H2S concentration. Of concern was the high-level (20 ppm) alarm failures after an equivalent of 139 days (Altair) and 289 days (BW Clip) in a swine barn, well within the monitor’s reported shelf-life. Models displaying concentration exhibited fewer failures but were inaccurate in the displayed concentration when challenged with 20 ppm of H2S. The T40 Rattler provided consistently higher readings (+2.3 ppm), and the Pac 3500 showed consistently lower readings (-3.4 ppm) when challenged with 20 ppm. This study confirms the need for routine bump tests for these low-cost monitors to ensure that the monitor reacts to the presence of H2S, even if the manufacturer does not recommend this procedure. Most importantly, agricultural workers should inspect and bump test these monitors prior to any potentially high-risk activity, such as manure agitation, pumping, or pressure washing, to ensure that the monitor appropriately detects and warns users. Keywords: Calibration, Direct-reading monitors, H2S, Hydrogen sulfide monitors, Manure gas, Safety, Sensors.
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Poluianov, Stepan, Ilya Usoskin, Alexander Mishev, Harm Moraal, Helena Kruger, Giampietro Casasanta, Rita Traversi y Roberto Udisti. "Mini Neutron Monitors at Concordia Research Station, Central Antarctica". Journal of Astronomy and Space Sciences 32, n.º 4 (15 de diciembre de 2015): 281–87. http://dx.doi.org/10.5140/jass.2015.32.4.281.
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Raspini, Federico, Sandro Moretti, Alfio Fumagalli, Alessio Rucci, Fabrizio Novali, Alessandro Ferretti, Claudio Prati y Nicola Casagli. "The COSMO-SkyMed Constellation Monitors the Costa Concordia Wreck". Remote Sensing 6, n.º 5 (2 de mayo de 2014): 3988–4002. http://dx.doi.org/10.3390/rs6053988.
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Christensen, V. G., P. P. Rasmussen y A. C. Ziegler. "Real-time water quality monitoring and regression analysis to estimate nutrient and bacteria concentrations in Kansas streams". Water Science and Technology 45, n.º 9 (1 de mayo de 2002): 205–19. http://dx.doi.org/10.2166/wst.2002.0240.
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An innovative approach currently is underway in Kansas to estimate and monitor constituent concentrations in streams. Continuous in-stream water-quality monitors are installed at selected U.S. Geological Survey stream-gaging stations to provide real-time measurement of specific conductance, pH, water temperature, dissolved oxygen, turbidity, and total chlorophyll. In addition, periodic water samples are collected manually and analyzed for nutrients, bacteria, and other constituents of concern. Regression equations then are developed from measurements made by the water-quality monitors and analytical results of manually collected samples. These regression equations are used to estimate nutrient, bacteria, and other constituent concentrations. Concentrations then are available to calculate loads and yields to further assess water quality in watersheds. The continuous and real-time nature of the data may be important when considering recreational use of a water body; developing and monitoring total maximum daily loads; adjusting water-treatment strategies; and determining high constituent concentrations in time to prevent adverse effects on fish or other aquatic life.
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Ogello, Vallery A., Bernard Kipkoech Rono, Kenneth Ngure, Eric Sedah, Nicholas B. Thuo, Nicholas Musinguzi, Jared M. Baeten, Elizabeth A. Bukusi, Nelly R. Mugo y Jessica E. Haberer. "Acceptability and feasibility of long-term, real-time electronic adherence monitoring of HIV pre-exposure prophylaxis (PrEP) use among young women in Kenya: A mixed methods study". PLOS ONE 19, n.º 3 (7 de marzo de 2024): e0299168. http://dx.doi.org/10.1371/journal.pone.0299168.
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Real-time electronic adherence monitoring involves “smart” pill boxes that record and monitor openings as a proxy for pill taking and may be useful in understanding and supporting PrEP use; however, acceptability and/or feasibility for PrEP users is uncertain. We sought to understand the experiences of using a real-time electronic adherence monitor for PrEP delivery among young women in Kisumu and Thika, Kenya. We used the Wisepill device to monitor PrEP use among 18-24-year-old women for two years. Half of the participants were randomized to also receive SMS adherence reminders (daily or as needed for missed doses). We assessed acceptability quantitatively and qualitatively according to the four constructs of Unified Theory of Acceptance and Use of Technology (UTAUT): performance expectancy, effort expectancy, social influence, and facilitating conditions. We assessed feasibility by monitor functionality during periods of PrEP use. We analyzed quantitative data descriptively and compared by site and over time; qualitative data were analyzed inductively and deductively. The median age was 21 years (IQR 19–22), median education was 12 years (IQR 10–13), 182 (53%) had disclosed PrEP use, and 55 (16%) reported recent intimate partner violence. Most participants reported high levels of usefulness and high interest in using the monitor with few problems or worries reported throughout follow-up. Feasibility was high overall with some differences by site (96% functional monitor days in Kisumu vs 88% in Thika). Few monitors were reported lost (N = 29; 8%) or dysfunctional (N = 11; 3%). In qualitative interviews, electronic monitoring was perceived as useful because it supported privacy, confidentiality, easy storage, and PrEP adherence. Effort was generally considered low. Participants expressed some concern for stigma from monitor and/or PrEP use. Facilitating conditions involved the monitor size, color, and battery life. Overall, real-time electronic adherence monitoring was a highly acceptable and feasible approach to understand PrEP adherence among young women in a sub-Saharan African setting.
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Liubčuk, Vladislav, Virginijus Radziukynas, Darius Naujokaitis y Gediminas Kairaitis. "Grid Nodes Selection Strategies for Power Quality Monitoring". Applied Sciences 13, n.º 10 (15 de mayo de 2023): 6048. http://dx.doi.org/10.3390/app13106048.
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In the past few years, technical progress has determined traditional electric power system conversion to Smart Grids, and consequently empowered a worldwide renaissance in the forgotten PQ field. Since the installation of PQ monitors is currently associated with high investments and operational costs, it is inappropriate to install a monitor on each grid busbar. Hence, grid operators must establish the best cost–benefit scenario for monitors installation and achieve maximal observability with a limited number of analyzers. Firstly, this paper presents a review of the state-of-the-art of displacement strategies, and discusses them regarding the tendencies of node selection criteria, the test schemes used, and the grid size. Secondly, the relevant fundamental issues which must be solved in the future in order to eliminate restrictions in PQ monitors’ allocation planning are presented and discussed. These issues concern the treatment, interpretation, and assessment of PQ events, measurement chain technical features, PQ’s role in the grid planning stage, communication technologies, and other remote monitoring aspects, and integration with other Smart Grid applications. The provided insights are based on experience which has been obtained during the PQ measurement campaign in the Lithuanian DSO grid. Finally, a PQ system development strategy—both short-term and long-term perspectives—in the Lithuanian distribution grid is presented, including monitors allocation criteria.
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Vastag, B. "Mixed Moniker: Mini' Marrow Transplants Fuel Excitement, Concern". JNCI Journal of the National Cancer Institute 92, n.º 15 (2 de agosto de 2000): 1200–1202. http://dx.doi.org/10.1093/jnci/92.15.1200.
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Ntahe, Aristide. "Early Diagnosis of Nonconvulsive Status Epilepticus Recurrence with Raw EEG of a Bispectral Index Monitor". Case Reports in Critical Care 2018 (12 de septiembre de 2018): 1–4. http://dx.doi.org/10.1155/2018/1208401.
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Background. Seizures are frequent in ICU and their diagnosis is challenging, often delayed or missed. Their diagnosis requires a conventional EEG recording. When cEEG is not available, there is no consensus on how patients should be monitored when there is high risk of seizure. This case illustrates how a bispectral index monitor allowed an early diagnosis of an NCSE recurrence. Case Presentation. A NCSE was diagnosed at the admission. cEEG was not available and then a bispectral index (BIS) monitor was placed and processed parameters were monitored as usual. During the first and second day, both conventional and BIS’s EEG showed patterns of burst suppression and the BIS value varied between 25 and 35 while the suppression ratio (SR) varied between 20 and 35. On the third day, while hypnotic drugs were withdrawn progressively, raw EEG of the BIS monitor showed spikes, spikes waves, and polyspikes without significant variation of BIS and SR values. Even if processed parameters stayed between their usual ranges, the typical aspect of the real time EEG raised concern for NCSE recurrence. An unplanned conventional EEG recording was urgently requested, and the diagnosis was confirmed and treated. Conclusion. Primitive and secondary brain injuries can lead to seizures which are often purely electrical. Even though BIS monitors cannot substitute the conventional EEG, processed parameters and raw EEG should be always analysed jointly. In the present case, seizure was suspected only on the aspect of real time EEG which showed spikes, spikes waves, and polyspikes.
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Belcredi, Massimo, Stefano Bozzi, Angela Ciavarella y Valerio Novembre. "Institutional investors’ activism under concentrated ownership and the role of proxy advisors. Evidence from the Italian say-on-pay". Corporate Ownership and Control 14, n.º 4 (2017): 41–57. http://dx.doi.org/10.22495/cocv14i4art4.
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Where corporate ownership is concentrated, the incentives for institutional shareholders to engage with firms in their portfolio are not clear a priori. Making use of a unique dataset of Say-on-Pay (SOP) votes in Italian listed firms, we provide evidence that specific classes of institutional investors do actively monitor investee firms under concentrated ownership, and that Proxy Advisors (PAs) perform an informational role: i) while general shareholder dissent on SOP is low, dissent by mutual and pension funds holding small equity positions (nonblockholders) is high; ii) nonblockholders’ dissent is negatively correlated with ownership concentration, suggesting that they tend to trust control shareholders to act as delegated monitors on managerial remuneration; iii) voting by institutional investors is strongly correlated with PA recommendations; iv) institutional investors do not follow PA recommendations blindly but look at specific reasons of concern expressed in PA reports. Our results may have relevant policy implications.
Tesis sobre el tema "Concord monitor"
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CARDOSO, Cristiane Alves de Lima. "Concord?ncia verbal de 1? PP no 6? ano: do diagn?stico ? interven??o pedag?gica". Universidade Federal Rural do Rio de Janeiro, 2015. https://tede.ufrrj.br/jspui/handle/jspui/1296.
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This paper aims to present a pedagogical intervention proposal for the study of variable rule verbal agreement of the 1st person plural in the 6th grade of Elementary School, based on the diagnosis done in 2014, in a public school of Duque de Caxias. Three aspects were taken into consideration in the composition of this diagnosis: (1) a study based on the Labovian Variationist Sociolinguistic (WEINREICH; LABOV; HERZOG, 1968) concerning the verbal agreement of the 1st person plural produced by 6th graders, (2) a survey carried out through a questionnaire of the beliefs and attitudes of Portuguese teachers of the school as to the use and study of this linguistic phenomenon and (3) an analysis of the pedagogical approach proposed by the coursebook chosen by the school. The results of the sociolinguistic study showed a considerable variation of the 1st person plural agreement in the student?s speaking and writing. The answers to the beliefs and attitudes test indicated that the pedagogical action around this variable phenomenon has concentrated on correction and reading practices. The analyzed coursebook does not consider the verbal agreement phenomenon explicitly, but presents an extensive grammatical study of verbs from which it can be concluded that it is up to the school teaching the explicit realization of bending 1st person plural. In developing the proposal itself, the theoretical methodological foundation was based on association between the Model of Continuous (BORTONI-RICARDO, 2004), with an emphasis on the continuous stylistic monitoring and didactic-pedagogic approach of the collaborative apprenticeship (BEHRENS, 2013).
Este trabalho tem como objetivo apresentar uma proposta de interven??o pedag?gica para o estudo da regra vari?vel de concord?ncia verbal de 1? pessoa do plural no 6? ano do Ensino Fundamental, elaborada a partir do diagn?stico realizado no ano de 2014, em uma escola da Rede Municipal de Duque de Caxias. Tr?s aspectos foram considerados na composi??o desse diagn?stico: (1) um estudo com base na Sociolingu?stica Variacionista Laboviana (WEINREICH; LABOV; HERZOG, 1968) sobre o estatuto da concord?ncia verbal de 1? pessoa do plural produzida por alunos do 6? ano, (2) uma sondagem, por meio de um question?rio, das cren?as e atitudes dos professores de L?ngua Portuguesa da escola quanto ao uso e ao estudo desse fen?meno lingu?stico e (3) uma an?lise da abordagem pedag?gica proposta pelo livro did?tico adotado na unidade escolar. Os resultados obtidos no estudo sociolingu?stico revelaram uma acentuada varia??o da concord?ncia de 1? pessoa do plural na fala e na escrita dos estudantes. As respostas ao teste de atitudes e cren?as indicaram que a a??o pedag?gica em torno desse fen?meno vari?vel tem se concentrado em pr?ticas de corre??o e de leitura. O livro did?tico analisado n?o contempla explicitamente o fen?meno da concord?ncia verbal, mas apresenta um extenso estudo gramatical sobre verbos a partir do qual se conclui que ? escola cabe o ensino da realiza??o expl?cita da flex?o de 1? pessoa do plural. Para a elabora??o da proposta propriamente dita, procedeu-se, como fundamenta??o te?rico-metodol?gica, ? associa??o entre o Modelo dos Cont?nuos (BORTONI-RICARDO, 2004), com ?nfase no cont?nuo de monitoramento estil?stico, e a abordagem did?tico-pedag?gica de aprendizagem colaborativa (BEHRENS, 2013).
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Gnanzi, Sandra y Cecilia Öberg. "Today's problem does not have to be tomorrow's concern : A qualitative study about social conditions the organization Young Queer Alliance works under to monitor and secure their rights". Thesis, Högskolan i Halmstad, Akademin för hälsa och välfärd, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-34246.
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This bachelor thesis in sociology is based on participatory observation and interviews in Mauritius done by two Swedish students who are studying Social change and social sustainability at the University of Halmstad. The aim of this study was to understand the social conditions that affect the organization Young Queer Alliance and their work to monitor and secure human rights regarding discrimination against sexual orientation in Mauritius today. The aim was also to see if Young Queer Alliance has opportunities for change towards a more socially sustainable society regarding this discrimination. The material has been interpreted and analysed by us through Foucault’s theory of power (2008), Jönhill’s dichotomy inclusion/exclusion (2012) and social mobilization (Sundh & Turunen, 2000). In some sections, we have done parallels between Mauritius and Sweden. The result of the empirical collection is complex and multidimensional and showed that; homophobia, religions, traditions, heterosexual norms and government influence the social circumstances for the organization. Paradoxically, a new thinking generation is emerging influenced by globalization and its processes. The “not-knowing-mentality” causes discrimination and can be prevailed with education. The thesis concludes that; the mentality is based on traditional norms and is influenced by history. Our generation cannot change history, but the future is ours to write.
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Gutierrez, Liliana. "Environmental concern and environmental action in Canada, a cross-time analysis of the Canadian Environmental Monitor (1987-2007)". Thesis, 2009. http://spectrum.library.concordia.ca/976556/1/MR63145.pdf.
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Environmental policy has recently taken on greater salience in Canadian politics. However we know very little about Canadians' concern for the environment. Exactly, how concerned are Canadians about the environment? And more importantly what specifically are they concerned about? Has the degree of Canadians' environmental concern shifted over time? And where do concerns about climate change and green house gas emissions rank among Canadians various attitudes on the environment? In this thesis, I will use cross-time data from the Canadian Environmental Monitor (1987-2007) to conduct a systematic analysis of Canadians' concern for the environment and explore the ways in which is rationalized. For instance, has concern about climate change and green house gas emissions actually grow? And what accounts for Canadians' environmental concerns? Do concerns over climate change have implications for Canadians' willingness to protect the natural environment? If so, what is the nature of this association?
Libros sobre el tema "Concord monitor"
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Felice, Belman y Pride Mike 1946-, eds. The New Hampshire century: Concord monitor profiles of one hundred people who shaped it. Hanover, NH: University Press of New England, 2001.
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(Editor), Felice Belman y Mike Pride (Editor), eds. The New Hampshire Century: *Concord Monitor* Profiles of One Hundred People Who Shaped It. University Press of New England, 2001.
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Baruah, Darshana M. India’s Evolving Maritime Domain Awareness Strategy in the Indian Ocean. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780199479337.003.0010.
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Darshana Baruah, an emerging Indian maritime security analyst, examines India’s heightened focus on improving maritime domain awareness in the coastal domain, EEZ and far seas. This is increasingly being driven by growing naval presence in the Indian Ocean. Of particular concern is India’s ability to monitor the passage of PLA Navy submarine passages to Pakistan and elsewhere in the Indian Ocean. Despite improved maritime situational awareness in coastal waters, India still has difficulty in tracking surface and subsurface vessels transiting its EEZ or neighbouring waters. This will likely require coordination and collaboration with friendly states. Baruah concludes that despite India’s traditional attachment to strategic autonomy, the difficulties in any one country developing maritime domain awareness across the Indian Ocean will be a key driver in greater defence cooperation with the United States and its allies.
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Chasiotis, Athanasios. The developmental role of experience-based metacognition for cultural diversity in executive function, motivation, and mindreading. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198789710.003.0007.
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How children obtain an understanding of mental states in others—“mindreading” or “theory of mind” (ToM)—during their cognitive development is a major concern in developmental psychology. There is also much debate about and empirical research on the developmental relationship between ToM and the set of processes that monitor and control thoughts and actions, i.e., executive functioning (EF). Until recently, little was known about the cross-cultural variation of both concepts. This chapter presents empirical findings on these concepts and takes a metacognitive perspective to clarify their relationship. A series of cross-cultural studies have been undertaken to specify the relationship between EF and ToM by verifying assumptions about the quality of conflict inhibition necessary for the development of ToM’s key aspect, false-belief understanding. The main argument is that an experience-based view of the metacognitive mechanisms involved might give a more parsimonious explanation of their relationship and their cultural variations.
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Cheong-Ann, Png. Part I The International Law of Tainted Money, 4 International Legal Sources III—FATF Recommendations. Oxford University Press, 2017. http://dx.doi.org/10.1093/law/9780198716587.003.0004.
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This chapter looks at the role and development of the Financial Action Task Force (FAFT). The FAFT was formally established at the G7 Summit in Paris in July 1989 by the Heads of State or Government of the G7 countries and the President of the European Commission. The main concern motivating the establishment of the FATF was the proliferation of drug production and drug-related activities, including the laundering of drug proceeds. The G7 leaders understood that decisive action at the national and international levels would be needed to deal with this concern. The chapter looks at how the FAFT has changed since its founding. Today, the objectives of the FATF are to set the international standard, and promote effective implementation of measures, for combating money laundering, financing of terrorism, and other related threats to the integrity of the international financial system. It works to generate the necessary political will to bring about national legislative and regulatory reforms in these areas. It also monitors the progress of its members in implementing necessary measures.
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Strain, Virginia Lee. Legal Reform in English Renaissance Literature. Edinburgh University Press, 2018. http://dx.doi.org/10.3366/edinburgh/9781474416290.001.0001.
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This book investigates rhetorical and representational practices that were used to monitor English law at the turn of the seventeenth century. While the majority of Law and Literature studies characterise the law as a force of coercion and subjugation, this book instead treats in greater depth the law’s own vulnerability, both to corruption and to correction. The dominance of law in early modern life made its failings and improvements of widespread concern: it was a regular and popular focus of criticism. The terms and techniques of legal reform provided modes of analysis through which legal authorities and literary writers alike evaluated form and character. Legal reform, together with the conflicts and anxieties that inspired and sprang from it, were represented by courtly, coterie, and professional writers. Spenser’s Faerie Queene, the Gray’s Inn Christmas revels of 1594-5, Donne’s ‘Satyre V’, and Shakespeare’s Measure for Measure and The Winter’s Tale all examine the potential, as well as the ethical and practical limitations, of legal reform’s contribution to local and national governance.
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Pham, Minh-Ha T. Why We Can't Have Nice Things. Duke University Press, 2022. http://dx.doi.org/10.1215/9781478023210.
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In 2016, social media users in Thailand called out the Paris-based luxury fashion house Balenciaga for copying the popular Thai “rainbow bag,” using Balenciaga’s hashtags to circulate memes revealing the source of the bags’ design. In Why We Can’t Have Nice Things Minh-Ha T. Pham examines the way social media users monitor the fashion market for the appearance of knockoff fashion, design theft, and plagiarism. Tracing the history of fashion antipiracy efforts back to the 1930s, she foregrounds the work of policing that has been tacitly outsourced to social media. Despite the social media concern for ethical fashion and consumption and the good intentions behind design policing, Pham shows that it has ironically deepened forms of social and market inequality, as it relies on and reinforces racist and colonial norms and ideas about what constitutes copying and what counts as creativity. These struggles over ethical fashion and intellectual property, Pham demonstrates, constitute deeper struggles over the colonial legacies of cultural property in digital and global economies.
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Trestman, Robert L. y Ashbel T. Wall. Supply Reduction in Prison. Oxford University Press, 2018. http://dx.doi.org/10.1093/med/9780199374847.003.0015.
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Interdiction of addictive substances is a challenge in all settings. Prisons are no exception. Given the high prevalence of addictive disorders among prisoner populations the demand for illicit substances is very high. This chapter reviews the ways in which correctional staff have approached this concern, including a substantial focus on preventing illicit substances from entering the facility in the first place. This effort requires a broad array of interventions, including monitoring phone calls and mail; structuring and overseeing the visitation process; using trained canines; and employing intrusive searches any time a prisoner leaves the facility and returns. These efforts interface with an ongoing process to monitor prison activities for drugs that get past screening efforts. Random drug testing, canine tours of the facility, and an intricate system of informants, are each an element of effective monitoring activities. This chapter reviews the effectiveness and cost-effectiveness of such interventions, and considers the consequences of failure. Given that such consequences may include staff corruption and the development or growth of a prison drug economy, effective interdiction is a priority in every well-run facility.
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Pepinsky, Pauline. Worlds of Common Sense. www.praeger.com, 1994. http://dx.doi.org/10.5040/9798216187028.
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This book explores the construction and maintenance of alternative worlds of common sense. Employing a comparative approach, Dr. Pepinsky monitors events in Norway and the United States over several decades, treating these countries as prototypes of societies that are classifiable as modern Western democracies, but which exhibit marked contrasts in size and cultural homogeneity. She examines the conditions under which different social realities are generated, the assumptions that they presuppose, and the practices that sustain them. She then goes on to analyze the methods by which continuity is maintained and the grounds upon which changes are legitimized over time. Pepinsky directs her book at an interdisciplinary audience. She addresses problems of increasing concern in the social sciences and in the world at large. Cultural differences in modal perspective affect the formulation of public policies and also contribute to intergroup tensions, as interpersonal relations are simultaneously becoming intercultural encounters within many contemporary societies. Researchers and students in social and cross-cultural psychology, ethnography, sociology, and political science will find this work of considerable interest.
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Brownsword, Roger. Law, Liberty, and Technology. Editado por Roger Brownsword, Eloise Scotford y Karen Yeung. Oxford University Press, 2016. http://dx.doi.org/10.1093/oxfordhb/9780199680832.013.2.
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This chapter assesses the relationship between liberty and technology. Adopting a broad conception of liberty, covering both the normative and the practical optionality of developing, applying, or using some particular technology, four questions are pursued. These questions concern: (i) the patterns of normative liberty in relation to new technologies and their applications; (ii) the gap between normative liberty and practical liberty; (iii) the impact of technologies on basic liberties; and (iv) the relationship between law, liberty, and ‘technological management’. While the expansion or contraction of normative liberties remains relevant, the key claim of the chapter is that, in future, it is the use of ‘technological management’—for a range of purposes, from crime control to the regulation of health and safety, and environmental protection—that needs to be monitored carefully, and particularly so for its impact on real options.
Capítulos de libros sobre el tema "Concord monitor"
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Huang, Haizun, Shihua Qin, Chihua Wang, Weixun Fang, Yulong Wang, Hao Gong, Dongjie Ning y Jian Shi. "The Application of Beidou High-Precision Positioning Technology in the Deformation Monitoring of Ship Locks". En Lecture Notes in Civil Engineering, 135–43. Singapore: Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-19-6138-0_12.
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AbstractAccompanying the construction of inland navigation projects is the generation of high slopes, whose stability has always been an important safety issue of great concern during the process. The safety incidents involving high slope instability often cause huge economic losses and even casualties. Therefore, it is of particular importance to monitor high slopes, to identify safety hazards and to predict the occurrence of safety accidents in advance through the tendency of changing. Once the project is completed, effective monitoring is also essential during the operation of the locks in order to avoid safety accidents such as the collapse of ship locks and other main structures.Based on the BeiDou high-precision positioning technology, this paper investigates the application of the automated displacement monitoring system in the construction and operation of navigation projects. The system mainly consists of sensor subsystem, data transmission subsystem, data processing and control subsystem as well as other auxiliary support subsystems. The system collects static satellite data from fiducial points and monitoring points, carries out baseline vector solution to realize millimeter-level displacement monitoring, and effectively monitors high slope displacement during construction according to the storage, management, query, statistics and analysis of the monitoring data, as well as timely detects abnormal situations about the displacement. When there is slope instability, early warning will be issued by grading so that measures could be implemented in advance to avoid safety accidents. When applied during the operation of ship locks, it can monitor the displacement of the lock chamber’s main work persistently to ensure its normal operation.This paper takes the construction site of certain ship lock project as the object and sets up 1 fiducial point and 10 monitoring points. The real-time displacement monitoring of the site’s high slopes throughout the construction period is carried out, the main functions of the monitoring system are tested and the monitoring data and results are briefly analyzed. After the completion of the project, the monitoring system is applied during the operation of the ship lock and the deformation of the lock chamber is constantly monitored and analyzed.
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Sikora, Richard A., Jon Padgham y Johan Desaeger. "The unpredictability of adapting integrated nematode management to climate variability." En Integrated nematode management: state-of-the-art and visions for the future, 463–71. Wallingford: CABI, 2021. http://dx.doi.org/10.1079/9781789247541.0064.
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Abstract The areas of concern regarding the future importance of climate change and variability on nematode damage and integrated management include: shifts in the distribution of nematodes, stimulation of additional generations, increased reproductive potential, development of more severe nematode-pathogen complexes, inability to monitor with remote sensing populations over multiple seasons, negative yield due to nematodes and reduced soil moisture levels, adapting integrated nematode management (INM) to highly volatile interannual fluctuations, loss of organic matter and soil antagonistic potential, lack of an effective in-season plant curative pesticide, enhancement of cumulative multi-species impact, and inactivation or loss of plant resistance to nematodes. This chapter reflects on some of the above points and how long-term climate change and increasing climate variability may impact nematodes, crop losses and potential modification of INM under climate change induced risk. It discusses climate change and climate variability in the context of INM, climate impacts on agricultural crops, critical climate change hotspots, climate influence on nematode biological processes, and the use of degree-days to monitor temperature effects on nematode development. The use of plant parasitic nematodes as research models and immediate priorities for improved near-term climate risk management within INM are also described.
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Meng, Guanghan, Qinrong Zhang y Na Ji. "High-Speed Neural Imaging with Synaptic Resolution: Bessel Focus Scanning Two-Photon Microscopy and Optical-Sectioning Widefield Microscopy". En Neuromethods, 293–329. New York, NY: Springer US, 2023. http://dx.doi.org/10.1007/978-1-0716-2764-8_10.
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AbstractBrain is composed of complex networks of neurons that work in concert to underlie the animal’s cognition and behavior. Neurons communicate via structures called synapses, which typically require submicron spatial resolution to visualize. To understand the computation of individual neurons as well as neural networks, methods that can monitor neuronal morphology and function in vivo at synaptic spatial resolution and sub-second temporal resolution are required. In this chapter, we discuss the principles and applications of two enabling optical microscopy methods: two-photon fluorescence microscopy equipped with Bessel focus scanning technology and widefield fluorescence microscopy with optical sectioning ability, both of which could be combined with optogenetic stimulation for all optical interrogation of neural circuits. Details on their design and implementation, as well as example applications, are presented.
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Gaspari, Federico, Annika Grützner-Zahn, Georg Rehm, Owen Gallagher, Maria Giagkou, Stelios Piperidis y Andy Way. "Digital Language Equality: Definition, Metric, Dashboard". En European Language Equality, 39–73. Cham: Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-28819-7_3.
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AbstractThis chapter presents the concept of Digital Language Equality (DLE) that was at the heart of the European Language Equality (ELE) initiative, and describes the DLE Metric, which includes technological factors (TFs) and contextual factors (CFs): the former concern the availability of Language Resources and Technologies (LRTs) for the languages of Europe, based on the data included in the European Language Grid (ELG) catalogue, while the latter reflect the broader socio-economic contexts and ecosystems of the languages, as these determine the potential for LRT development. The chapter discusses related work, presents the DLE definition and describes how it was implemented through the DLE Metric, explaining how the TFs and CFs were quantified. The resulting scores of the DLE Metric for Europe’s languages can be visualised and compared through the interactive DLE dashboard, to monitor the progress towards DLE in Europe.
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Pineda, Victor Santiago. "Emerging Trends in Cities of Tomorrow". En Inclusion and Belonging in Cities of Tomorrow, 111–32. Singapore: Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-99-3856-8_6.
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AbstractThe Fourth Industrial Revolution, which includes a range of technologies such as artificial intelligence, robotics, and biosensors, is already underway and is rapidly changing the way we live. While many of the technologies being implemented are unquestionably useful, the rate at which this transformation is occurring as well as the impacts many of these technologies are having on privacy and security is of great concern. The cities of the future will increasingly depend on these new technologies to provide services to all citizens. Emerging technologies offer opportunities for inclusive and accessible urban environments, but ongoing dialogue and collaboration between different stakeholders is necessary to ensure that the future of cities is equitable for all. For this transformation to be successful, governments need to monitor and assess the impact of emerging technologies on citizens, particularly those with disabilities and those most at risk of exclusion. Targeted universalism is an approach that aims to achieve universal goals through targeted interventions, taking into account the specific needs of each group while maintaining a universal policy goal. This approach considers both specialized and universal goals and measures progress that is customized for each community in order to advance equity and social development objectives.
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Kildashti, Kamyar y Bijan Samali. "Experimental and Numerical Studies on the In-Plane Shear Behavior of PVC-Encased Concrete Walls". En Lecture Notes in Civil Engineering, 421–30. Singapore: Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-3330-3_43.
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AbstractThe effective application of lightweight stay-in-place concrete forms for casting shear walls subjected to wind and seismic loading is of particular concern to practitioners. Insufficient technical data available for new kinds of wall systems, such as Polyvinyl Chloride (PVC) form walls, hinder their implementation in construction practice. To that end, an effective experimental and numerical campaign was launched at Western Sydney University to investigate the structural performance of PVC form walls when subjected to in-plane shear loading. A set of push-out specimens was designated to conduct monotonic in-plane shear tests until failure. All failure phenomena, capping strengths, and ductility capacities were monitored. Test results indicated that the embedded PVC latticed webs could efficiently protect the concrete web from sudden crushing and improve ductility capacity and failure pattern of the specimens. Nonlinear finite element analysis on test specimens was also conducted and good correlation with experiment results was achieved.
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Sisto, Raffaele, Javier García López, Julio Lumbreras Martín, Carlos Mataix Aldeanueva y Linos Ramos Ferreiro. "City Assessment Tool to Measure the Impact of Public Policies on Smart and Sustainable Cities. The Case Study of the Municipality of Alcobendas (Spain) Compared with Similar European Cities". En Smart and Sustainable Planning for Cities and Regions, 81–101. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-57764-3_6.
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AbstractData analytics is a key resource to analyze cities and to find their strengths and weaknesses to define long-term sustainable strategies. On the one hand, urban planning is geared to adapting cities’ strategies towards a qualitative, intelligent, and sustainable growth. On the other hand, institutions are geared towards open governance and collaborative administration models. In this context, sustainability has become a global concern for urban development, and the sustainable development goals (SDGs), defined by United Nations, are the framework to be followed to define the new city goals and to measure the advances of the policies implemented over recent years. The main objective of this research is to explain the methods and results of the application of a city assessment tool for measuring the impact of public policies on the socioeconomic and environmental structure of a city. It addresses the case study of the evaluation of the strategic plan “Diseña 2020” of the municipality of Alcobendas (Madrid, Spain, with 116.037 inhabitants), the document used to communicate the actions needed to achieve the city goals during the planning exercise. A selection of urban indicators has been aligned with the SDGs defined in the Agenda 2030 to develop a tool for the measurement of the impacts of policies in economic, social, and ecological terms. Through this set of indicators, the tool is able to quantify the impact of the policies on the city and the SDGs and to support the decision-making processes of the administration. The set of urban indicators is divided into five areas: economic development and employment, sustainable development, open government, social responsibility, and quality of life. The data evolution, across the recent years 2012–2018, is used to monitor and benchmark the effects of the applied policies. In addition, Alcobendas can be compared with other Spanish and European cities with similar characteristics; it makes possible assessing the achievement of the city’s strategic areas, incorporating the current trends and fostering the SDGs. Thanks to the quantitative comparable results and the objective approach, this research shows a methodology based on indicators that could be applied and scaled to other cities to generate a common framework for measuring the impact of public policies on cities.
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"Monitor Systems". En Concert Sound and Lighting Systems, 85–90. Routledge, 1999. http://dx.doi.org/10.4324/9780080502748-18.
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Bharathi K, Prof y Dr Uma K P. "BUILDING A SMART IOT-ENABLED SURVEILLANCE CAMERA WITH LIVE STREAMING APP". En Futuristic Trends in IOT Volume 3 Book 2, 239–46. Iterative International Publishers, Selfypage Developers Pvt Ltd, 2024. http://dx.doi.org/10.58532/v3biio2ch19.
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In today's world, ensuring security has become a paramount concern, prompting the exploration of various technologies to safeguard and monitor our surroundings. However, these technologies often come at a high cost, posing a challenge for domestic and small-scale businesses seeking effective yet budget-friendly security solutions. Traditional CCTV systems also demand constant human surveillance, adding to the complexity. This paper introduces an IoT-based intelligent CCTV camera system integrated with video recording capabilities, focusing on delivering live streams to authorized users via an Android application. This innovative approach empowers users to effortlessly monitor their residences through a mobile app, offering an economical and efficient security solution for households and small businesses. The system autonomously detects, monitors, and alerts users about potential intruders within the monitored premises. Upon detecting an intrusion, the camera triggers an immediate alert, sending a notification to the authorized user's mobile app. This notification includes a live video stream, providing real-time visual evidence of the incident.
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Hussain, Madhumita. "Impact of Urbanization on Environment and Health Role of Different Environmental Sensors". En Sensors for Environmental Monitoring, Identification, and Assessment, 333–58. IGI Global, 2024. http://dx.doi.org/10.4018/979-8-3693-1930-7.ch020.
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The process of urbanization is characterized by the rapid growth and development of urban areas, and now has become a global concern with far-reaching implications for the environment and public health. This study explores the complex impact of urbanization on both the environment and human health, emphasizing the pivotal role played by various environmental sensors in monitoring and mitigating these effects. This chapter delves into the types and functionalities of environmental sensors employed to monitor urbanization's impact. Air quality sensors, water quality sensors, noise monitors, and solid waste sensors contribute valuable data to assess pollution levels, track environmental changes, and evaluate the overall well-being of urban ecosystems. The integration of real-time data from these sensors facilitates the formulation of effective policies and interventions to curb environmental degradation and enhance public health.
Actas de conferencias sobre el tema "Concord monitor"
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Usoskin, Ilya. "A mini neutron monitor in Central Antarctica (Dome Concordia)". En The 34th International Cosmic Ray Conference. Trieste, Italy: Sissa Medialab, 2016. http://dx.doi.org/10.22323/1.236.0217.
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Campanelli, Mark B. y Douglas J. Smith. "A wideband optical monitor for a planetary-rotation coating-system". En Optical Interference Coatings. Washington, D.C.: Optica Publishing Group, 1997. http://dx.doi.org/10.1364/oic.1998.the.7.
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A substrate-specific, through-planet, wideband optical coating monitor is being developed to increase production yield and the understanding of physical vapor deposition (PVD) coatings fabricated in the Optical Manufacturing Laboratory at the University of Rochester’s Laboratory for Laser Energetics. In-situ wideband optical monitoring of planetary rotation systems allows direct monitoring of large, expensive substrates with complex layering schemes. The optical monitor discussed here is under development for coating several large (e.g., 80.7 x 41.7 x 9.0 cm) polarizers for the National Ignition Facility. Wideband optical monitoring of the production substrates is used in concert with an array of crystal monitors for process control, film parameter evaluation, and error detection with associated design reoptimization.
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Bloch, Audra, Nolan Kersten, Eli Short, Parker Stevens, Benjamin Simonson y Brodie Hoyer. "Physiological Sensing in HALO/HAHO Environment". En ASME 2023 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2023. http://dx.doi.org/10.1115/imece2023-114252.
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Abstract Health risks are a prevalent concern during High-Altitude Low Opening (HALO) and High-Altitude High Opening (HAHO) operations due to the low-oxygen environment. Jumpers must be constantly monitored to ensure safety prior to exiting the aircraft. To objectively monitor the biometrics of jumpers a piece of clothing was developed that would use wearable biometric sensors. Although there have been previous products intended for the same purpose, they were not suitable for the special needs of these operations. After discussing the intention of the product with experts, customer requirements and engineering specifications were developed and used to create four Army Combat Shirt (ACS) prototypes with integrated sensors to monitor the biometrics of jumpers in real-time. The goal is to integrate the sensors into a product to output the biometric data effectively and efficiently to the Android Team Awareness Kit (ATAK) system, providing easily interpreted data to the jumpmaster. Testing of initial prototypes found that none met the durability and useability requirement of the HALO/HAHO environment. After multiple iterations of testing and product refinement, an arm sleeve was developed with an integrated sensor that would be worn on the left forearm of the jumper. The final product of an ATAK sleeve system will be created to objectively monitor jumpers heart rate variability and oxygen saturation levels before exiting the aircraft.
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Chang, Yao-Tsu, Yu-Chia Chang y Pinghui S. Yeh. "On-Chip Optical Power Monitoring of GaN-on-Si LEDs". En CLEO: Applications and Technology. Washington, D.C.: Optica Publishing Group, 2023. http://dx.doi.org/10.1364/cleo_at.2023.jtu2a.58.
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The reliability of GaN-on-Si LEDs is of concern. A p-i-n photodiode loop surrounding the LED was fabricated to monitor the LED output power by detecting some of the downward emitting light propagating through the n-GaN layer. The monitoring responsivities were approximately 52 and 66 mA/W at biases of 0 and -3 V, respectively.
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Devonald, Martin, Mike Hill, Peter Song, Hamish Weatherly y Lauren Vincent. "Real-Time Flood Monitoring and Management of a Mississippi River Pipeline Crossing". En 2016 11th International Pipeline Conference. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/ipc2016-64219.
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Enbridge Liquids Pipelines (Enbridge) operates over 26,000 km of liquid pipelines in Canada and the US, administers a system-wide geohazard management program to identify, investigate and monitor geohazards, and performs remediation as required. An integral part of the geohazard management program is real-time flood monitoring, where pipeline watercourse crossings affected by flooding are identified and flood levels monitored. Watercourse crossings where the pipelines have a high potential to become exposed, to span, and potentially to fail during a flood event are studied in more detail. This flood monitoring program automatically monitors publicly available real-time stream gauge flow measurements and compares these measurements to estimated discharge thresholds for the crossing under evaluation. Thresholds are related to the current pipeline depth of cover (DOC) and the amount of scour that can occur over a range of flood magnitudes. Thresholds include: 1) the estimated peak flow to expose the top of the pipe, “exposure flow”, 2) the estimated peak discharge and associated flow velocities that could create enough free spanning pipe for the onset of vortex induced vibration (VIV) fatigue failure, “flow of concern”, and 3) where additional mechanical assessment taking account of specific pipe properties, data requirements and circumstances has been carried out, the “critical flow”, the estimated average peak flow and duration that has the potential to result in product release due to VIV once a sufficient pipe span length has developed, “critical flow”. This paper is a case study of an assessment and flood monitoring of one of Enbridge’s Mississippi River pipeline crossings, which has a history of flood-related pipeline exposure and subsequent mitigations. During real-time monitoring of a 2015 flood event the “exposure flow” and “flow of concern” thresholds for this crossing were exceeded, resulting in a decision by Enbridge to shut down the pipeline. Subsequent surveys revealed that the pipe had become exposed and was spanning adjacent to the previously remediated area. The previous mitigation likely limited the length of pipe exposure and pipe span. Added complexity was encountered during the post shutdown DOC survey, which needed to be completed as quickly and safely as possible after flood levels declined to allow for an assessment of the actual condition of the pipeline prior to restart. This paper presents a methodology that could allow pipeline operators to identify river crossings susceptible to pipe exposure, and the potential for freespan development, due to flooding, by providing an understanding of what is likely happening to the cover over the pipe at a particular crossing during a flood event. This provides a tool to better manage pipeline river crossings experiencing flooding. As far as the authors are aware, this case study represents the first time a pipeline has been shut down based on real-time flows and thresholds in the United States.
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Pedersen, Audun O., Geir Instanes, Francesco Simonetti y Peter B. Nagy. "Light Weight Tomographic Monitoring of Pipe Wall Thickness". En Offshore Technology Conference. OTC, 2023. http://dx.doi.org/10.4043/32165-ms.
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Abstract Tomographic methods are used with ultrasonic guided wave wall thickness monitors to provide two-dimensional maps of the wall thickness throughout a monitored area. Tomographic monitoring systems are typically configured with 16 to 32 non-intrusive ultrasound transducers positioned in predetermined patterns for optimal coverage and resolution. Other monitoring systems have much fewer transducers, positioned according to the pipe geometry and wall area of main concern. Although these systems are not optimized for wall thickness mapping, the same or similar tomographic methods can improve analysis and interpretation of the datasets they produce. Algorithms are sought for implementation in responsive, interactive software for browsing and analysis of recorded wall thickness monitoring data. Simple tomographic algorithms are also desirable for use in embedded software. A "light weight" tomographic algorithm is outlined, and a prototype implementation is tested against a proven full-scale tomography software package. The two approaches produce similar results on small datasets corresponding to wall thickness monitoring systems with few transducers installed. For the larger datasets generated for high resolution wall thickness mapping, the reference software is superior in terms of both computational load and accuracy.
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Instanes, Geir, Audun O. Pedersen, Francesco Simonetti y Peter B. Nagy. "Light Weight Tomographic Monitoring of Pipe Wall Thickness". En ADIPEC. SPE, 2023. http://dx.doi.org/10.2118/216803-ms.
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Abstract Tomographic methods are used with ultrasonic guided wave wall thickness monitors to provide two-dimensional maps of the wall thickness throughout a monitored area. Tomographic monitoring systems are typically configured with 16 to 32 non-intrusive ultrasound transducers positioned in predetermined patterns for optimal coverage and resolution. Other monitoring systems have much fewer transducers, positioned according to the pipe geometry and wall area of main concern. Although these systems are not optimized for wall thickness mapping, the same or similar tomographic methods can improve analysis and interpretation of the datasets they produce. Algorithms are sought for implementation in responsive, interactive software for browsing and analysis of recorded wall thickness monitoring data. Simple tomographic algorithms are also desirable for use in embedded software. A "light weight" tomographic algorithm is outlined, and a prototype implementation is tested against a proven full-scale tomography software package. The two approaches produce similar results on small datasets corresponding to wall thickness monitoring systems with few transducers installed. For the larger datasets generated for high resolution wall thickness mapping, the reference software is superior in terms of both computational load and accuracy.
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Yoshida, Takero, Yoichi Mizukami, Jinxin Zhou y Daisuke Kitazawa. "Development of Wireless Control System With Underwater Fish-Eye Camera to Monitor Fish at the Test Site of Marine Renewable Energy". En ASME 2019 38th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/omae2019-95978.
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Abstract Environmental impact assessment is important when marine renewable energy device is installed. Fishermen concern the effect of device on local fish. To confirm the effect before and after installation of marine renewable energy device, we developed wireless monitoring system using an underwater fish eye camera. The camera system is composed of a dome-shaped fish eye lens, a container, and a float. Two thrusters are attached on the container to change the monitoring directions. In the current research, this system was developed to monitor underwater situation around device remotely and in real time. We tested to monitor a target and fish in a fish case at the site off Kamaishi city. The recorded video showed the target and fish. Effectiveness of this system was shown through the field test for real time monitoring around marine renewable energy device.
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Sivertson, W. E. "Radiance Ratio Classification of Earth Surface Features—A Spaceborne Shuttle Experiment". En Laser and Optical Remote Sensing: Instrumentation and Techniques. Washington, D.C.: Optica Publishing Group, 1987. http://dx.doi.org/10.1364/lors.1987.tuc15.
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New spaceborne technology is being developed for autonomously detecting and classifying four primary Earth features—water, vegetation, and bare land, and a cloud-snow-ice class. Using this technology, a space-based remote imaging system could provide automatic pretransmission screening and selection of remotely sensed information. Classification is based on camera output radiance ratio values. The hardware is relatively small and could be operated in concert with other spaceborne sensors to remotely monitor Earth resources. This paper discusses the technology concept and spaceborne Shuttle test flight results.
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Smerdon, Andy y Graham Cook. "A Retrofittable Instrument to Monitor and Record Strain on Subsea Structures". En Offshore Technology Conference. OTC, 2023. http://dx.doi.org/10.4043/32611-ms.
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Abstract In mature offshore hydrocarbon fields, an increasing number of aging assets have reached or exceeded design life, meaning fatigue is of growing concern. Digital twins incorporating a fatigue model are typically used to assess structural integrity and inform decisions on life of field extension. However, they rely on idealized wave models which cannot truly reflect the hydrodynamic loading, which leads to uncertainty and conservatism. The operator of the Ninian Southern Platform in the UK North Sea concluded that if strain could be monitored in situ at key subsea locations, they could develop a more accurate relationship between sea conditions and structural loading, which could be used to calibrate the asset fatigue model, providing enhanced understanding of the jacket integrity. We describe the development, validation, installation, and first field results from an instrument designed to meet that challenge. Retrofitting strain sensors to subsea structural members presents many technical challenges, as neither conventional strain gauges nor cabled connections are feasible in the harsh subsea environment. For the first deployment, the instrumentation required robust attachment to a 1.2 m diameter tubular member situated at 43 m depth, which would withstand 100-year metocean maxima. It needed a strain transfer mechanism for autonomous measurement of the smallest fatigue-inducing strain reversals on three quadrants of the tubular over a two-year period. Strains were to be continuously sampled and recorded at a sufficient rate to accurately capture the peak values. Additionally, accelerations in three axes and wave height derived from hydrostatic pressure were to be monitored. The whole package had to be installed by ROV, and needed to deliver periodic data downloads throughout the life of the instrument. At the heart of the instrument is a set of environmentally packaged strain transfer mechanisms. These engage with the surface of the structure through spring-loaded actuators that are deployed by the ROV during installation. They allow strains to be measured directly by the instrument’s data acquisition system. These mechanisms were validated and calibrated using specially designed test equipment. Prior to deployment, the complete instrument, including its magnetic attachment system, was tested on a sample pipe section. All instrument subsystems were proven, including a high-speed optical data link for through-water transfer of recorded data, and an acoustic communication system for status updates. The instrument was successfully deployed subsea in April 2021, and one complete and continuous data set has already been retrieved. The data shows that the instrumentation is able to accurately capture a range of microstrains from the smaller strain reversals during calmer conditions to the larger wave driven strains in storm conditions. This has demonstrated the ability of the system to measure with great precision, while also withstanding very harsh environmental conditions.
Informes sobre el tema "Concord monitor"
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Powell, K. R. Evaluation of the D-Area Expanded Operable Unit for Monitored Natural Attenuation of Inorganic Constituents of Concern: Interim Report. Office of Scientific and Technical Information (OSTI), enero de 2003. http://dx.doi.org/10.2172/806924.
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Lee, Wall y Worsley. PR-398-113719-R01 Technologies for Monitoring Erosion Corrosion and Direct Inspection of Subsea Assets. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), enero de 2014. http://dx.doi.org/10.55274/r0010570.
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This Final Report prepared by ESR Technology Ltd., provides the results of a study on subsea pipeline erosion and corrosion monitoring. The report is therefore split into two parts. The first part deals with monitoring erosion and corrosion, subsea; and the second part is on direct inspection techniques to monitor wall thickness loss. Generally, Subsea equipment is significantly more difficult to inspect than topside or land-based equipment and the study recognizes that many challenges and technology gaps remain. Sand, produced from oil and gas wells, can cause erosion and erosion/corrosion of subsea production systems and presents a number of threats to the safe reliable and economic operation of a facility. Sand control systems (e.g. sand screens) are used to prevent or limit sand production and therefore prevent erosion. In some developments, however, downhole sand control is not feasible and sand production may occur leading to erosion of the flowlines, pipes and equipment. Since erosion is strongly linked to flow velocity at bend points, erosion damage is principally a concern of equipment downstream of the wellhead (where the operating pressure is low) rather than being associated with damage to the well tubing (where operating pressure is relatively high but the flow path is predominantly straight). The goal of this research project is to screen current and potential techniques that provide a direct measure of loss of pipe wall thickness, rather than indirect measurement (e.g. erosion and corrosion probes, acoustic sand and electric field corrosion monitors). Such techniques should also be capable of being embarked on AUV, snake like robots, mini ROV etc.
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Kennedy, Alan, Mark Ballentine, Andrew McQueen, Christopher Griggs, Arit Das y Michael Bortner. Environmental applications of 3D printing polymer composites for dredging operations. Engineer Research and Development Center (U.S.), enero de 2021. http://dx.doi.org/10.21079/11681/39341.
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This Dredging Operations Environmental Research (DOER) technical note disseminates novel methods to monitor and reduce contaminant mobility and bioavailability in water, sediments, and soils. These method advancements are enabled by additive manufacturing (i.e., three-dimensional [3D] printing) to deploy and retrieve materials that adsorb contaminants that are traditionally applied as unbound powders. Examples of sorbents added as amendments for remediation of contaminated sediments include activated carbon, biochar, biopolymers, zeolite, and sand caps. Figure 1 provides examples of sorbent and photocatalytic particles successfully compounded and 3D printed using polylactic acid as a binder. Additional adsorptive materials may be applicable and photocatalytic materials (Friedmann et al. 2019) may be applied to degrade contaminants of concern into less hazardous forms. This technical note further describes opportunities for U.S. Army Corps of Engineers (USACE) project managers and the water and sediment resource management community to apply 3D printing of polymers containing adsorptive filler materials as a prototyping tool and as an on-site, on-demand manufacturing capability to remediate and monitor contaminants in the environment. This research was funded by DOER project 19-13, titled “3D Printed Design for Remediation and Monitoring of Dredged Material.”
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Bingham, Sonia, Craig Young y Tanni Hubbard. Sentinel wetlands in Cuyahoga Valley National Park: II. Condition trends for wetlands of management concern, 2008?2018. National Park Service, 2023. http://dx.doi.org/10.36967/2301705.
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Twenty important management areas (wetlands of management concern) and reference wetlands compose the sentinel wetlands at Cuyahoga Valley National Park. These wetlands are monitored more intensively than other wetlands in the program. This is the second report in a two-part series, designed to summarize the results from intensive vegetation surveys completed at sentinel wetlands from 2008 to 2018. The first report (Bingham and Young 2023) characterized the conditions in each wetland and provided baseline reference information for other reports and site-specific projects. In this report, we examine results from five selected metrics more closely within and across three natural wetlands of management concern groups (restoration wetlands, mitigation wetlands, and rare habitat wetlands) using the reference wetlands as overall benchmarks. We used the Ohio Rapid Assessment Method (ORAM) to evaluate habitat in the sentinel wetlands. In addition, a total of 37 long-term sample plots were established within these wetlands to monitor biological conditions over time using vegetation as an indicator. Multiple plots were located in larger wetland complexes to capture spatial differences in condition. Vegetation was intensively surveyed within the plots using the Vegetation Index of Biotic Integrity (VIBI), where all plant species are identified to the lowest taxonomic level possible (genus or species). The sample plots were surveyed twice, and the five evaluation metrics included the VIBI score, Floristic Quality Assessment Index (FQAI), percent sensitive plant species, percent invasive graminoids, and species richness. For the analysis, VIBI plot locations were rank ordered based on their 2018 scores, the range and average for each metric was examined across the wetlands of management concern groups and plotted against reference wetlands for comparison, and the two survey years (pre-2015 and 2018) were plotted against each other for substantial changes from the established baseline. Across the sample plot locations, VIBI scores ranged from a low of 7 (Stanford Run SF1) to a high of 91 (Columbia Run 554). The top scoring plots were at four reference wetlands (Stumpy Basin 526, Virginia Kendall Lake 241K, Columbia Run 554, and Boston Mills 683) and one rare habitat wetland (Beaver Marsh BM3). All of these plots fell within an excellent condition range in one or both survey years. They each have unique habitats with some specialized plant species. The majority (24) of the sentinel wetlands plots ranked within the poor or fair ranges. These include the three mitigation wetlands: Brookside 968, Rockside RS2, and Krejci, as well as all plots within the Pleasant Valley and Stanford Run wetlands. Most of the large wetlands had dramatic condition differences within their boundaries? effected by pollution sources, land-use modifications, and/or invasive species in some areas more than others. We documented these wide condition ranges at Fawn Pond, Virginia Kendall Lake, Beaver Marsh and Stumpy Basin, but the most pronounced within-wetland differences were at Virginia Kendall Lake, which had a 58-point difference between the highest and lowest scoring plot. Fawn Pond is in good condition at most plots and scored very high in comparison to other wetlands within the riverine mainstem hydrogeomorphic class. The average and range of most metric scores were notably different across the four different wetlands groups. Average values at rare habitat wetlands plots were similar to reference plots for VIBI and FQAI scores, percent invasive graminoids, and percent sensitive metrics. Krejci KR1 and Fawn Pond FP3 had unusually high percent cover of sensitive species (31.0% and 27.9%, respectively) for the mitigation and restoration groupings. However, average overall metric scores across the restoration and mitigation wetlands were generally very low, with Stanford Run being the lowest scoring restoration wetland and Brookside being the lowest scoring mitigation wetland. With restoration efforts completed, the expectation is that mitigation wetlands should be performing much higher. Two of the three mitigation wetlands sites are not meeting the mitigation benchmarks that were created for them by the US Army Corp of Engineers and the Ohio Environmental Protection Agency. Contractor reports state that the wetlands met the criteria within the first five years of establishment. However, upon release from monitoring and maintenance, invasive species have gradually re-established, which has led to condition deterioration over time, and lower metric scores. VIBI scores stayed the same or improved (only slightly in many cases) in the majority of plots (67.6%) between survey years. The Krecji mitigation wetlands had the largest improvement in VIBI scoring. Scores at six plots decreased by at least 10 points from the baseline survey. Two of the park?s most beloved wetlands, Beaver Marsh (at one location) and the Stumpy Basin reference plot, had the two most notable declines in VIBI scores. In 2018, 11 plots (29.7%) had greater than 25% invasive graminoid cover (e.g. cattail, common reed grass, reed canary grass) and 18 plots (48.7%) experienced an increase in invasive graminoid cover between survey years. A marked increase (>10% cover) in invasive graminoids was documented at eight locations (Rockside 1079RS2, Beaver Marsh BM5, Fawn Pond FP3 and FP4, Brookside 968, Stumpy Basin SB1, and two other Pleasant Valley plots: 1049 and 969). These trends are likely to continue, and biological conditions are expected to deteriorate at these wetlands in response. Regardless of invasive species increases, many of the wetlands showed remarkable resilience over the last decade with fairly stable VIBI categories.
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Wilkins, Justin, Andrew McQueen y Burton Suedel. Improving spatial and temporal monitoring of dredging operations incorporating unmanned technologies. Engineer Research and Development Center (U.S.), agosto de 2023. http://dx.doi.org/10.21079/11681/47520.
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The US Army Corps of Engineers (USACE) is responsible for maintaining safe and navigable waterways through the periodic dredging of shoaled sediment from federal navigation channels. While dredging, a portion of the bottom sediments become resuspended creating a sediment plume near the dredging operation. Suspension of sediments during dredging and dredged sediment disposal operations continues to be a primary concern of regulatory agencies charged with the protection of environmental resources. Consequently, almost all dredging projects incorporate some level of regulatory compliance monitoring dedicated to measuring sediment resuspension. For numerous reasons the conventional approach using manned surface vessels to perform compliance monitoring is frequently ineffective in both adaptively managing dredging projects and ensuring true environmental protection. Advancements in unmanned platforms and payload technologies offer new and potentially more robust alternatives to conventional platforms. In this study, the use of unmanned aerial system (UAS) and weather balloon mounted camera imagery was demonstrated, and the use of an unmanned surface vessel (USV) to monitor turbidity in navigation channels and near a dredging operation. The imagery from the UAS and weather balloon were compared to in-situ turbidity measurements in a turbid distributary channel and near a dredging operation, while the USV was used to learn more about in-situ turbidity associated with passing vessels in a navigation channel. The results of the demonstrations show the unmanned technology bundled with off-the-shelf payloads can help to produce evidence-based information through easily interpreted aerial imagery and in situ measurements which can help to inform and manage water quality in areas where sediment plumes are an environmental concern.
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Gawel, Ann. Pre- and post-storm inventory of endangered Partula radiolata snails at Asan Ridge, Guam. National Park Service, 2024. http://dx.doi.org/10.36967/2303261.
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The Partulidae are a Pacific-wide family of tree snails with high levels of endemism and with a majority of their extant species having special conservation concern. Having radiated across Pacific Islands, this family has evolved with some frequency of tropical storms. However, little is known about their response or recovery rates from severe storms. The island of Guam has its own unique species of Partulidae, Partula radiolata. One of the largest and most accessible occurrences of P. radiolata in the island is located at the Asan Beach Unit of the War in the Pacific National Historical Park. A population assessment of the area?s partulids was conducted approximately one month before a major typhoon ? Typhoon Mawar ? hit the island. The same series of transects used before the typhoon was repeated approximately three weeks after the typhoon. Two hundred twenty-five P. radiolata were counted in the Asan Beach Unit before the typhoon, and 177 after the typhoon. The biggest decline in numbers occurred amongst juvenile partulids ? from 53 counted before the typhoon, to just 11 after the typhoon. The vegetation was severely impacted by the storm, opening up much of the canopy and downing many trees and branches. Despite suffering some obvious mortality, P. radiolata were still persisting within the area. Because this is one of the most accessible populations of P. radiolata, we have an opportunity to monitor post-storm recovery on a regular basis that would be unfeasible at more remote population locations.
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Schad, Aaron, Gary Dick, Kris Erickson, Paul Fuhrmann y Lynde Dodd. Vegetation community changes in response to phragmites management at Times Beach, Buffalo, New York. Engineer Research and Development Center (U.S.), septiembre de 2021. http://dx.doi.org/10.21079/11681/42149.
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Management of invasive phragmites (Phragmites australis [Cav.] Trin. Ex Steud.) in the United States has proven challenging over the last several decades. Various methods for control exist, but integrated approaches appear to have the most success. However, documentation of vegetation community–wide responses to these approaches remains limited. This study monitored plant community changes at Times Beach, New York, over a five-year period. In concert with mowing and thatch removal in all areas, the study evaluated two herbicides separately and together, representing three experimental treatment areas (TAs), for control efficacy by measuring plant community structure. Phragmites was targeted for treatments, avoiding native and nonproblematic non-native species when possible, to preserve beneficial habitat during phragmites control efforts. Monitoring results showed significant drops in phragmites relative cover, relative frequency, and importance values due to integrated management, regardless of herbicide treatment, with corresponding increases in these same values for native and other plant species. This suggests that prudent removal of phragmites is compatible with beneficial plant restorative efforts to maintain and improve habitat in infested areas.
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Dinovitzer, Aaron, Sanjay Tiku y Amin Eshraghi. PR-214-153739-R01 ERW Fatigue Life Integrity Management Improvement-Phase III. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), abril de 2019. http://dx.doi.org/10.55274/r0011574.
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While the general fracture mechanics methodology for calculating fatigue lives is well documented and validated, its application in the definition of pipeline system fatigue lives have differed from field experience. The source and magnitude of the conservatism inherent in the calculated fatigue life estimates are a concern when establishing integrity management programs. Of particular interest, are the fatigue life estimates used in the integrity management programs for Electric resistance welding (ERW) pipeline systems that are primarily concerned with pipe wall anomalies oriented along the pipe axis. In this project, fatigue crack growth rate parameters were generated for pipe body and ERW. Axial flaws of different sizes were machined in pipe body and weld center line of two different pipe geometries and subjected to cyclic pressure tests. Fatigue crack growth rate of the flaws in the full-scale fatigue tests was monitored. The full-scale fatigue tests results were compared to existing codified treatments to quantify the level of conservatism inherent in the current state of practice. Recommendations were provided to enhance the precision and manage conservatism in fatigue crack growth rate calculations used in integrity management. This report has a related webinar.
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Bingham, Sonia y Craig Young. Sentinel wetlands in Cuyahoga Valley National Park: I. Ecological characterization and management insights, 2008–2018. Editado por Tani Hubbard. National Park Service, febrero de 2023. http://dx.doi.org/10.36967/2296885.
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Sentinel wetlands at Cuyahoga Valley National Park (NP) comprise a set of twenty important management areas and reference sites. These wetlands are monitored more closely than other wetlands in the wetlands monitoring program and are the focus of the volunteer monitoring program for water levels. We used the Ohio Rapid Assessment Method (ORAM) to evaluate habitat in the sentinel wetlands. A total of 37 long-term sample plots have been established within these wetlands to monitor biological condition over time using vegetation as an indicator. Vegetation is intensively surveyed using the Vegetation Index of Biotic Integrity (VIBI), where all plant species within the plot are identified to the lowest taxonomic level possible (genus or species). Sample plots were surveyed twice from 2008 to 2018 and the vegetation data were evaluated using five metrics: VIBI, Floristic Quality Assessment Index (FQAI), percent sensitive plant species, percent invasive graminoids, and species richness. These metrics are discussed for each location. This report also highlights relevant land use histories, common native plant species, and invasive species of concern at each wetland. This is the first report in a two-part series, designed to summarize the results from intensive vegetation surveys completed at sentinel wetlands in 2008–2018. Boston Mills, Virginia Kendall Lake, Stumpy Basin, Columbia, and Beaver Marsh are all in excellent condition at one or more plots. They have unique habitats with some specialized plant species. Fawn Pond is in good condition at most plots and scores very high in comparison to other wetlands within the riverine mainstem hydrogeomorphic class. Metric scores across mitigation wetlands were low. Two of the three wetlands (Brookside and Rockside) are not meeting the benchmarks originally established by the United States Army Corps of Engineers and Ohio Environmental Protection Agency. Krejci is still a young mitigation site and success will be determined over time. Park-supported invasive species control efforts will be crucial for long-term success of these sites and future mitigation/restoration projects. The wetlands monitored because of proposed ecological restoration projects (Pleasant Valley, Stanford, and Fawn Pond) have extensive invasive plant communities. These restoration sites should be re-evaluated for their feasibility and potential success and given an order of prioritization relative to the newer list of restoration sites. Cuyahoga Valley NP has added many new areas to their list of potential wetland restoration sites after these areas were selected, and there may be better opportunities available based on restoration objectives. Restoration goals should be based on the park's desired future conditions, and mitigation goals of outside partners may not always be in line with those. The multiple VIBI plots dispersed throughout the large wetlands at Cuyahoga Valley NP detected and illuminated spatial patterns in condition. Many individual wetlands had a wide range of VIBI scores within their boundaries, sometimes reflecting localized disturbances, past modifications, and management actions. Most often, these large fluctuations in condition were linked to local invasive plant infestations. These infestations appear to be the most obvious and widespread threat to wetland ecosystems within the park, but also the most controllable threat. Some sensitive species are still present in some of the lowest scoring plots, which indicates that invasive plant species control efforts may pay off immediately with a resurgence of native communities. Invasive plant control at rare habitat sites would have large payoffs over time by protecting some of the park's most unique wetlands. Reference wetlands would also be good demonstration sites for park managers to try to maintain exemplary conditions through active management. Through this work, park managers can evaluate the feasibility, effectiveness, and scalability of management practices required to maintain wetland condition.
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Hodul, M., H. P. White y A. Knudby. A report on water quality monitoring in Quesnel Lake, British Columbia, subsequent to the Mount Polley tailings dam spill, using optical satellite imagery. Natural Resources Canada/CMSS/Information Management, 2022. http://dx.doi.org/10.4095/330556.
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In the early morning on the 4th of August 2014, a tailings dam near Quesnel, BC burst, spilling approximately 25 million m3 of runoff containing heavy metal elements into nearby Quesnel Lake (Byrne et al. 2018). The runoff slurry, which included lead, arsenic, selenium, and vanadium spilled through Hazeltine Creek, scouring its banks and picking up till and forest cover on the way, and ultimately ended up in Quesnel Lake, whose water level rose by 1.5 m as a result. While the introduction of heavy metals into Quesnel Lake was of environmental concern, the additional till and forest cover scoured from the banks of Hazeltine Creek added to the lake has also been of concern to salmon spawning grounds. Immediate repercussions of the spill involved the damage of sensitive environments along the banks and on the lake bed, the closing of the seasonal salmon fishery in the lake, and a change in the microbial composition of the lake bed (Hatam et al. 2019). In addition, there appears to be a seasonal resuspension of the tailings sediment due to thermal cycling of the water and surface winds (Hamilton et al. 2020). While the water quality of Quesnel Lake continues to be monitored for the tailings sediments, primarily by members at the Quesnel River Research Centre, the sample-and-test methods of water quality testing used, while highly accurate, are expensive to undertake, and not spatially exhaustive. The use of remote sensing techniques, though not as accurate as lab testing, allows for the relatively fast creation of expansive water quality maps using sensors mounted on boats, planes, and satellites (Ritchie et al. 2003). The most common method for the remote sensing of surface water quality is through the use of a physics-based semianalytical model which simulates light passing through a water column with a given set of Inherent Optical Properties (IOPs), developed by Lee et al. (1998) and commonly referred to as a Radiative Transfer Model (RTM). The RTM forward-models a wide range of water-leaving spectral signatures based on IOPs determined by a mix of water constituents, including natural materials and pollutants. Remote sensing imagery is then used to invert the model by finding the modelled water spectrum which most closely resembles that seen in the imagery (Brando et al 2009). This project set out to develop an RTM water quality model to monitor the water quality in Quesnel Lake, allowing for the entire surface of the lake to be mapped at once, in an effort to easily determine the timing and extent of resuspension events, as well as potentially investigate greening events reported by locals. The project intended to use a combination of multispectral imagery (Landsat-8 and Sentinel-2), as well as hyperspectral imagery (DESIS), combined with field calibration/validation of the resulting models. The project began in the Autumn before the COVID pandemic, with plans to undertake a comprehensive fieldwork campaign to gather model calibration data in the summer of 2020. Since a province-wide travel shutdown and social distancing procedures made it difficult to carry out water quality surveying in a small boat, an insufficient amount of fieldwork was conducted to suit the needs of the project. Thus, the project has been put on hold, and the primary researcher has moved to a different project. This document stands as a report on all of the work conducted up to April 2021, intended largely as an instructional document for researchers who may wish to continue the work once fieldwork may freely and safely resume. This research was undertaken at the University of Ottawa, with supporting funding provided by the Earth Observations for Cumulative Effects (EO4CE) Program Work Package 10b: Site Monitoring and Remediation, Canada Centre for Remote Sensing, through the Natural Resources Canada Research Affiliate Program (RAP).