Bibliografias temáticas / MiniCAST

Literatura científica selecionada sobre o tema "MiniCAST"

Autor: Grafiati
Publicado: 22 de junho de 2024

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  3. Livros
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Artigos de revistas sobre o assunto "MiniCAST":

1

Marhaba, Iman, Daniel Ferry, Carine Laffon, Thomas Z. Regier, François-Xavier Ouf e Philippe Parent. "Aircraft and MiniCAST soot at the nanoscale". Combustion and Flame 204 (junho de 2019): 278–89. http://dx.doi.org/10.1016/j.combustflame.2019.03.018.

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2

Kupper, Martin, Jožef Pulko, Martin Kraft e Alexander Bergmann. "First Steps towards a Super-Compact In-Situ Laser-Induced-Incandescence Sensor System". Proceedings 2, n.º 13 (2 de abril de 2019): 1017. http://dx.doi.org/10.3390/proceedings2131017.

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To realize an actual in-situ Laser-Induced Incandescence (LII) sensor system for measurements in an exhaust pipe of a combustion engine, suitable components for such an application were chosen, integrated in a first prototype and tested. Key components for the proposed LII system are a super-compact high-power DPSS laser (CTR HiPoLas®) as excitation source, fast KETEK silicon photomultipliers (SiPM) as detectors and a specially designed optical measurement setup. Using a defined aerosol from a soot generator (Jing 5201 miniCAST), signals were collected at different laser energies and soot concentrations. By comparing the recorded behaviour with the literature, the incandescence effect could be reliably identified as the true source of the signal. Further long-term tests at an AVL engine testbed were performed.
3

Zhang, Xin, Sihan Lv, Zhenhuan Luo, Yongfei Hu, Xin Peng, Jie Lv, Shanshan Zhao et al. "MiniCAFE, a CRISPR/Cas9-based compact and potent transcriptional activator, elicits gene expression in vivo". Nucleic Acids Research 49, n.º 7 (22 de março de 2021): 4171–85. http://dx.doi.org/10.1093/nar/gkab174.

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Abstract CRISPR-mediated gene activation (CRISPRa) is a promising therapeutic gene editing strategy without inducing DNA double-strand breaks (DSBs). However, in vivo implementation of these CRISPRa systems remains a challenge. Here, we report a compact and robust miniCas9 activator (termed miniCAFE) for in vivo activation of endogenous target genes. The system relies on recruitment of an engineered minimal nuclease-null Cas9 from Campylobacter jejuni and potent transcriptional activators to a target locus by a single guide RNA. It enables robust gene activation in human cells even with a single DNA copy and is able to promote lifespan of Caenorhabditis elegans through activation of longevity-regulating genes. As proof-of-concept, delivered within an all-in-one adeno-associated virus (AAV), miniCAFE can activate Fgf21 expression in the liver and regulate energy metabolism in adult mice. Thus, miniCAFE holds great therapeutic potential against human diseases.
4

Ngo, Linh Dan, Dumitru Duca, Yvain Carpentier, Jennifer A. Noble, Raouf Ikhenazene, Marin Vojkovic, Cornelia Irimiea et al. "Chemical discrimination of the particulate and gas phases of miniCAST exhausts using a two-filter collection method". Atmospheric Measurement Techniques 13, n.º 2 (28 de fevereiro de 2020): 951–67. http://dx.doi.org/10.5194/amt-13-951-2020.

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Abstract. Combustion of hydrocarbons produces both particulate- and gas-phase emissions responsible for major impacts on atmospheric chemistry and human health. Ascertaining the impact of these emissions, especially on human health, is not straightforward because of our relatively poor knowledge of how chemical compounds are partitioned between the particle and gas phases. Accordingly, we propose coupling a two-filter sampling method with a multi-technique analytical approach to fully characterize the particulate- and gas-phase compositions of combustion by-products. The two-filter sampling method is designed to retain particulate matter (elemental carbon possibly covered in a surface layer of adsorbed molecules) on a first quartz fiber filter while letting the gas phase pass through and then trap the most volatile components on a second black-carbon-covered filter. All samples thus collected are subsequently subjected to a multi-technique analytical protocol involving two-step laser mass spectrometry (L2MS), secondary ion mass spectrometry (SIMS), and micro-Raman spectroscopy. Using the combination of this two-filter sampling–multi-technique approach in conjunction with advanced statistical methods, we are able to unravel distinct surface chemical compositions of aerosols generated with different set points of a miniCAST burner. Specifically, we successfully discriminate samples by their volatile, semi-volatile, and non-volatile polycyclic aromatic hydrocarbon (PAH) contents and reveal how subtle changes in combustion parameters affect particle surface chemistry.
5

Kalbermatter, Daniel M., Griša Močnik, Luka Drinovec, Bradley Visser, Jannis Röhrbein, Matthias Oscity, Ernest Weingartner, Antti-Pekka Hyvärinen e Konstantina Vasilatou. "Comparing black-carbon- and aerosol-absorption-measuring instruments – a new system using lab-generated soot coated with controlled amounts of secondary organic matter". Atmospheric Measurement Techniques 15, n.º 2 (1 de fevereiro de 2022): 561–72. http://dx.doi.org/10.5194/amt-15-561-2022.

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Abstract. We report on an inter-comparison of black-carbon- and aerosol-absorption-measuring instruments with laboratory-generated soot particles coated with controlled amounts of secondary organic matter (SOM). The aerosol generation setup consisted of a miniCAST 5201 Type BC burner for the generation of soot particles and a new automated oxidation flow reactor based on the micro smog chamber (MSC) for the generation of SOM from the ozonolysis of α-pinene. A series of test aerosols was generated with elemental to total carbon (EC / TC) mass fraction ranging from about 90 % down to 10 % and single-scattering albedo (SSA at 637 nm) from almost 0 to about 0.7. A dual-spot Aethalometer AE33, a photoacoustic extinctiometer (PAX, 870 nm), a multi-angle absorption photometer (MAAP), a prototype photoacoustic instrument, and two prototype photo-thermal interferometers (PTAAM-2λ and MSPTI) were exposed to the test aerosols in parallel. Significant deviations in the response of the instruments were observed depending on the amount of secondary organic coating. We believe that the setup and methodology described in this study can easily be standardised and provide a straightforward and reproducible procedure for the inter-comparison and characterisation of both filter-based and in situ black-carbon-measuring (BC-measuring) instruments based on realistic test aerosols.
6

Ess, Michaela N., Michele Bertò, Alejandro Keller, Martin Gysel-Beer e Konstantina Vasilatou. "Coated soot particles with tunable, well-controlled properties generated in the laboratory with a miniCAST BC and a micro smog chamber". Journal of Aerosol Science 157 (setembro de 2021): 105820. http://dx.doi.org/10.1016/j.jaerosci.2021.105820.

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7

Henning, S., M. Ziese, A. Kiselev, H. Saathoff, O. Möhler, T. F. Mentel, A. Buchholz et al. "Hygroscopic growth and droplet activation of soot particles: uncoated, succinic or sulfuric acid coated". Atmospheric Chemistry and Physics Discussions 11, n.º 10 (21 de outubro de 2011): 28445–75. http://dx.doi.org/10.5194/acpd-11-28445-2011.

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Abstract. The hygroscopic growth and droplet activation of uncoated soot particles and such coated with succinic acid and sulfuric acid were investigated during the IN-11 campaign at the Aerosol Interaction and Dynamics in the Atmosphere (AIDA) facility. A GFG-1000 soot generator applying nitrogen, respectively argon as carrier gas and a miniCAST soot generator were utilized to generate soot particles. Different organic carbon (OC) to black carbon (BC) ratios were adjusted for the CAST-soot by varying the fuel to air ratio. The hygroscopic growth was investigated by means of the mobile Leipzig Aerosol Cloud Interaction Simulator (LACIS-mobile) and two different Hygroscopicity Tandem Differential Mobility Analyzers (HTDMA, VHTDMA). Two Cloud Condensation Nucleus Counter (CCNC) were applied to measure the activation of the particles. For the untreated soot particles neither hygroscopic growth nor activation was observed, with exception of a partial activation of GFG-soot generated with argon as carrier gas. Coatings of succinic acid lead to a detectable hygroscopic growth of GFG-soot and enhanced the activated fraction of GFG- (carrier gas: argon) and CAST-soot, whereas no hygroscopic growth of the coated CAST-soot was found. Sulfuric acid coatings lead to an OC-content dependent hygroscopic growth of CAST-soot. Such a dependence was not observed for activation measurements. Coating with sulfuric acid decreased the amount of Polycyclic Aromatic Hydrocarbons (PAH), which were detected by AMS-measurements in the CAST-soot, and increased the amount of substances with lower molecular weight than the initial PAHs. We assume, that these reaction products increased the hygroscopicity of the coated particles in addition to the coating substance itself.
8

Henning, S., M. Ziese, A. Kiselev, H. Saathoff, O. Möhler, T. F. Mentel, A. Buchholz et al. "Hygroscopic growth and droplet activation of soot particles: uncoated, succinic or sulfuric acid coated". Atmospheric Chemistry and Physics 12, n.º 10 (24 de maio de 2012): 4525–37. http://dx.doi.org/10.5194/acp-12-4525-2012.

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Abstract. The hygroscopic growth and droplet activation of uncoated soot particles and such coated with succinic acid and sulfuric acid were investigated during the IN-11 campaign at the Aerosol Interaction and Dynamics in the Atmosphere (AIDA) facility. A GFG-1000 soot generator applying either nitrogen or argon as carrier gas and a miniCAST soot generator were utilized to generate soot particles. Different organic carbon (OC) to black carbon (BC) ratios were adjusted for the CAST-soot by varying the fuel to air ratio. The hygroscopic growth was investigated by means of the mobile Leipzig Aerosol Cloud Interaction Simulator (LACIS-mobile) and two different Hygroscopicity Tandem Differential Mobility Analyzers (HTDMA, VHTDMA). Two Cloud Condensation Nucleus Counter (CCNC) were applied to measure the activation of the particles. For the untreated soot particles neither hygroscopic growth nor activation was observed at a supersaturation of 1%, with exception of a partial activation of GFG-soot generated with argon as carrier gas. Coatings of succinic acid lead to a detectable hygroscopic growth of GFG-soot and enhanced the activated fraction of GFG- (carrier gas: argon) and CAST-soot, whereas no hygroscopic growth of the coated CAST-soot was found. Sulfuric acid coatings led to an OC-content dependent hygroscopic growth of CAST-soot. Such a dependence was not observed for activation measurements. Coating with sulfuric acid decreased the amount of Polycyclic Aromatic Hydrocarbons (PAH), which were detected by AMS-measurements in the CAST-soot, and increased the amount of substances with lower molecular weight than the initial PAHs. We assume that these reaction products increased the hygroscopicity of the coated particles in addition to the coating substance itself.
9

Ess, Michaela N., e Konstantina Vasilatou. "Characterization of a new miniCAST with diffusion flame and premixed flame options: Generation of particles with high EC content in the size range 30 nm to 200 nm". Aerosol Science and Technology 53, n.º 1 (15 de novembro de 2018): 29–44. http://dx.doi.org/10.1080/02786826.2018.1536818.

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10

Friebel, Franz, Prem Lobo, David Neubauer, Ulrike Lohmann, Saskia Drossaart van Dusseldorp, Evelyn Mühlhofer e Amewu A. Mensah. "Impact of isolated atmospheric aging processes on the cloud condensation nuclei activation of soot particles". Atmospheric Chemistry and Physics 19, n.º 24 (19 de dezembro de 2019): 15545–67. http://dx.doi.org/10.5194/acp-19-15545-2019.

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Abstract. The largest contributors to the uncertainty in assessing the anthropogenic contribution in radiative forcing are the direct and indirect effects of aerosol particles on the Earth's radiative budget. Soot particles are of special interest since their properties can change significantly due to aging processes once they are emitted into the atmosphere. Probably the largest obstacle for the investigation of these processes in the laboratory is the long atmospheric lifetime of 1 week, requiring tailored experiments that cover this time span. This work presents results on the ability of two types of soot, obtained using a miniCAST soot generator, to act as cloud condensation nuclei (CCN) after exposure to atmospherically relevant levels of ozone (O3) and humidity. Aging times of up to 12 h were achieved by successful application of the continuous-flow stirred tank reactor (CSTR) concept while allowing for size selection of particles prior to the aging step. Particles of 100 nm diameter and rich in organic carbon (OC) that were initially CCN inactive showed significant CCN activity at supersaturations (SS) down to 0.3 % after 10 h of exposure to 200 ppb of O3. While this process was not affected by different levels of relative humidity in the range of 5 %–75 %, a high sensitivity towards the ambient/reaction temperature was observed. Soot particles with a lower OC content required an approximately 4-fold longer aging duration to show CCN activity at the same SS. Prior to the slow change in the CCN activity, a rapid increase in the particle diameter was detected which occurred within several minutes. This study highlights the applicability of the CSTR approach for the simulation of atmospheric aging processes, as aging durations beyond 12 h can be achieved in comparably small aerosol chamber volumes (<3 m3). Implementation of our measurement results in a global aerosol-climate model, ECHAM6.3-HAM2.3, showed a statistically significant increase in the regional and global CCN burden and cloud droplet number concentration.
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Artigos de revistas Livros

Teses / dissertações sobre o assunto "MiniCAST":

1

Macdonell, James Patrick. "MiniCA: A web-based certificate authority". CSUSB ScholarWorks, 2007. https://scholarworks.lib.csusb.edu/etd-project/3256.

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The MiniCA project is proposed and developed to address growing demand for inexpensive access to security features such as privacy, strong authentication, and digital signatures. These features are integral to public-key encryption technologies. The audience for whom the software project is intended includes, technical staff requiring certificates for use in SSL applications (i.e. a secure web-site) at California State University, San Bernardino.
2

Magliocchetti, Mario. "Improving the performance of MiniCan low noise hydrophone". Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2004. http://library.nps.navy.mil/uhtbin/hyperion/04Jun%5FMagliocchetti.pdf.

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3

Daoudi, Mouad. "Développement de diagnostics optiques et chimiques pour caractériser et contrôler les émissions particulaires et gazeuses des systèmes de combustion". Electronic Thesis or Diss., Université de Lille (2022-....), 2022. http://www.theses.fr/2022ULILR062.

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La combustion est l'une des principales sources d'émissions particulaires (PM) et de plusieurs polluants gazeux qui peuvent avoir des effets néfastes sur la santé humaine, l'environnement et le climat. Les travaux réalisés dans cette thèse visent à développer une procédure de mesure basée sur l'extinction optique pour contrôler les PM et/ou certains polluants gazeux produits par un système de combustion (e.g., moteur à combustion interne, turbine ou brûleur industriel). Ces travaux visent également à comprendre les liens qui peuvent exister entre la composition chimique et le coefficient d'extinction optique mesurés pour ces émissions. Pour réussir ce défi de mesure et éviter la complexité d'une configuration réelle de moteur, un banc de combustion modulaire a été construit dans lequel les polluants gazeux et les PM peuvent être contrôlés indépendamment. Ce dispositif expérimental a été équipé d'une version du générateur de suie miniCAST ayant la capacité de brûler des carburants liquides, permettant ainsi l'étude de l'impact de la composition chimique du carburant sur les propriétés physico-chimiques des particules de suie. Au total, 34 points de fonctionnement ont été caractérisés, balayant une large gamme de richesses globales de flamme (i.e., 0.104 - 1.673) en utilisant deux carburants différents (diesel B7 et dodecane). Les particules de suie produites par ce brûleur ont été caractérisées du point de vue des grandeurs morphologiques, des distributions de taille, des concentrations massiques, et enfin des coefficients d'extinction optique. L'ensemble de ces données ont ensuite servi à évaluer et intercomparer la fraction volumique des suies par trois méthodes différentes à savoir granulométrique (combinant la mesure de taille et la morphologie), massique, et optique.Par ailleurs, la composition chimique des produits de combustion du miniCAST a été étudiée afin de caractériser le contenu organique de la phase gazeuse et de la phase particulaire. Cette étude a été réalisée en combinant la chromatographie en phase gazeuse (GC), pour examiner les hydrocarbures aromatiques polycycliques (HAP) de faible masse dans la phase gazeuse, et la spectrométrie de masse par analyse de temps de vol d'ions secondaires (ToF-SIMS), pour caractériser les HAP cette fois-ci lourds dans les deux phases gazeuse et particulaire. Tout d'abord, cette étude a permis d'identifier les points de fonctionnement associés à la plus forte teneur en composés organiques. Par la suite, une corrélation a été observée entre la présence de ces HAP et le coefficient d'extinction optique. L'utilisation d'un catalyseur d'oxydation (catalytic stripper) sur les gaz d'échappement du brûleur a permis d'évaluer l'impact de ce traitement thermique à 350 °C sur la composition chimique des gaz d'échappement, sur les caractéristiques de taille et de morphologie des agrégats de suie, et par conséquent sur la mesure du coefficient d'extinction optique. Enfin, la mesure du coefficient d'extinction optique de PM et de polluants gazeux tels que NO, NO2 et/ou NH3 injectés d'abord séparément, puis simultanément a été réalisée pour évaluer l'interférence des polluants gazeux avec les PM et proposer une procédure permettant leur quantification simultanée.En conclusion, ce travail de thèse restitue une métrologie des émissions particulaires d'un générateur de suies du point de vue de la taille, la morphologie, la fraction volumique et le coefficient d'extinction optique, ainsi qu'une caractérisation détaillée de la composition chimique de la phase gazeuse et particulaire que ce générateur produit, et ce, sous différentes conditions opératoires. Grâce à la base de données expérimentale obtenue, ce travail de thèse propose une méthodologie de mesure et d'analyse des résultats pour le coefficient d'extinction optique et les spectres de masse ToF-SIMS pouvant être transposée à l'étude des bio-carburants ou des carburants synthétiques (e-carburants) dans un futur proche
Combustion is one of the main contributors to both particulate matter (PM) and several gaseous pollutants which may have harmful effects on human health, environment, and climate. The main goal of this PhD is to develop a measurement procedure based on optical extinction to monitor PM and/or some gaseous pollutants emissions produced by a combustion system (e.g., internal combustion engine, turbine or industrial burner). This work also aims to shed the light on the relationship between the chemical composition and the optical extinction coefficient measured for these emissions. To succeed in this measurement challenge and avoid the complexity of a real powertrain setup, a modular combustion bench has been built in which gaseous pollutants and PM can be monitored independently. This experimental setup was equipped with a version of the miniCAST soot generator that has the ability to burn liquid fuels, thus allowing the study of the impact of the chemical composition of the fuel on the physico-chemical properties of PM. A total of 34 operating points were characterized, spanning a wide range of flame overall equivalence ratio (i.e., 0.104 - 1.673) using two different fuels (diesel B7 and dodecane). The soot particles produced by this burner were characterized in terms of morphological key parameters, size distributions, mass concentrations, and optical extinction coefficients. All these data were then used to evaluate and intercompare the soot volume fraction using three different methods: granulometric (combining size measurement and morphology), mass, and optical.Furthermore, the chemical composition of the combustion products of the miniCAST was studied in order to characterize the organic content of the gas-phase and the particulate-phase. This study was carried out by combining gas chromatography (GC), to examine low mass polycyclic aromatic hydrocarbons (PAHs) in the gas-phase, and time-of-flight secondary ion mass spectrometry (ToF-SIMS), to characterize the heavy PAHs in both the gas- and particle-phases. These experiments allowed to identified the operating points associated with the highest content of organic compounds. Then, a correlation was observed between the presence of that organic content (mostly attributed to organic PAHs) and the optical extinction coefficient. The use of an oxidation catalyst (catalytic stripper) on the burner exhaust gases allowed to evaluate the impact of this thermal treatment at 350 °C on the chemical composition of the exhaust gases, on the size and morphology characteristics of soot aggregates, and consequently on the measurement of the optical extinction coefficient. Finally, the measurement of the optical extinction coefficient for PM and gaseous pollutants such as NO, NO2 and/or NH3 injected first separately and then simultaneously was performed to evaluate the interference of gaseous pollutants with PM and to propose a procedure allowing their simultaneous control.In conclusion, this thesis provides for a soot generator's PM emissions a detailed description of soot particles sizes, morphologies, soot volume fractions and optical extinction coefficient, as well as a detailed characterization of the chemical composition of the gas- and particulate-phase produced by this generator, under different operating conditions. Thanks to the experimental database obtained, this thesis proposes a methodology of measurement and analysis for optical extinction coefficients and for ToF-SIMS mass spectra which can be transposed to the study of bio-fuels or synthetic fuels (e-fuels) in the near future
4

Contoux, Géraldine. "Contribution à l'étude des mécanismes de croissance de couches minices à base de chrome par pulvérisation cathodique magnétron". Limoges, 1995. http://www.theses.fr/1995LIMO0020.

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L'etude des mecanismes de croissance de couches minces a base de chrome, realisees par pulverisation cathodique magnetron, a fait l'objet de ce travail. La texture, les contraintes et la resistance a la corrosion des depots de chrome pur ont ete determinees et correlees entre elles. L'evolution de ces proprietes a ete etudiee en fonction de la temperature du substrat, et de la pression du gaz support de la decharge. La texture complexe des depots de chrome pur varie rapidement avec les conditions de depot. Elle depend principalement de l'energie des atomes arrivant sur la couche en croissance et de la temperature des substrats. Les depots presentent des contraintes intrinseques generalement en tension, dont l'amplitude depend des conditions de depots. Leur resistance a la corrosion est correlee a cet etat de contrainte. Les mecanismes de la pulverisation reactive du chrome dans un melange argon et oxygene ont egalement ete etudies. Un phenomene tres marque d'hysteresis des parametres caracteristiques de la decharge est observe en fonction du flux gazeux reactif introduit. La modification rapide de ces grandeurs est liee a un changement de l'etat de surface de la cible, appele empoisonnement de la cible. Cette etude a ete appliquee a la realisation de couches minces de l'oxyde de chrome cr#2o#3 de couleur verte. La structure et la texture des couches ont ete determinees par spectroscopie x. Quelques proprietes mecaniques ont egalement ete etudiees. L'importance de l'emplacement de l'arrivee d'oxygene, de la temperature du substrat et de la pression partielle d'oxygene a ete demontree. L'optimisation des conditions de depot a montre que des couches vertes de cr#2o#3 peuvent etre synthetisees, pour des temperatures de substrats comprises entre 200c et 500c, sur la branche retour du cycle d'hyteresis donnant la pression partielle d'oxygene en fonction du flux gazeux d'oxygene introduit, ce qui correspond a une faible pression partielle de gaz reactif
5

Hancock, AM. "Effects of ocean acidification on Antarctic microbial communities". Thesis, 2019. https://eprints.utas.edu.au/33347/1/Hancock__whole_thesis.pdf.

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Antarctic waters are amongst the most vulnerable in the world to ocean acidification due to their cold temperatures, naturally low levels of calcium carbonate and upwelling that brings deep CO\(_2\)-rich waters to the surface. A meta-analysis demonstrated groups of Antarctic marine biota in waters south of 60°S have a range of tolerances to ocean acidification. Invertebrates and phytoplankton showed negative effects above 500 μatm and 1000 μatm CO\(_2\) respectively, while bacteria appear tolerant to elevated CO\(_2\). Phytoplankton studied as part of a natural microbial community were found to be more sensitive than those studied as a single species in culture. This highlights the importance of community and ecosystem level studies, which incorporate the interaction and competition among species and trophic levels, to accurately assess the effects of ocean acidification on the Antarctic ecosystem. Antarctic marine microbes (comprising phytoplankton, protozoa and bacteria) drive ocean productivity, nutrient cycling and mediate trophodynamics and the biological pump. While they appear vulnerable to changes in ocean chemistry, little is known about the nature and magnitude of their responses to ocean acidification, especially for natural communities. To address this lack of information, a six level, dose-response ocean acidification experiment was conducted in Prydz Bay, East Antarctica, using 650 L incubation tanks (minicosms). The minicosms were filled with Antarctic nearshore water and adjusted to a gradient of carbon dioxide (CO\(_2\)) from 343 to 1641 μatm. Microscopy and phylogenetic marker gene sequence analysis found the microbial community composition altered at CO\(_2\) levels above approximately 1000 μatm. The CO\(_2\)- induced responses of icroeukaryotes (>20 μm) and nanoeukaryotes (2 to 20 μm) were taxon-specific. For diatoms the response of taxa was related to cell size with micro-sized diatoms (>20 μm) increasing in abundance with moderate CO\(_2\) (506 to 634 μatm), while above this level their abundance declined. In contrast, nano-size diatoms (<20 μm) tolerated elevated CO\(_2\). Like large diatoms, Phaeocystis antarctica increased in abundance between 343 to 634 μatm CO\(_2\) but fell at higher levels. 18S and 16S rDNA sequencing showed that picoeukaryotic and prokaryotic composition was unaffected by CO\(_2\), despite having higher abundances at CO\(_2\) levels 1634 μatm. This was likely due to the lower abundance of heterotrophic nanoflagellates at CO\(_2\) levels exceeding 953 μatm, which reduced the top-down control of their pico- and nanoplanktonic prey. As a result of the differences in the tolerance of individual taxa/size categories, CO\(_2\) caused a significant change in the microbial community structure to one dominated by nano-sized diatoms, picoeukaryotes and prokaryotes. Based on the CO\(_2\)-induced changes in the microbial community, modelling was performed to investigate the future effects of different levels of elevated CO\(_2\) on the structure and function of microbial communities in Antarctic coastal systems. These models indicate CO\(_2\) levels predicted toward the end of the century under a “business as usual scenario” elicit changes in microbial composition, significantly altering trophodynamic pathways, reducing energy transfer to higher trophic levels and favouring respiration of carbon within the microbial loop. Such responses would alter elemental cycles, jeopardise the productivity that underpins the wealth and diversity of life for which Antarctica is renowned. In addition, it would reduce carbon sequestration in coastal Antarctic waters thereby having a positive feedback on global climate change.

Livros sobre o assunto "MiniCAST":

1

Stoppi, Jonathan. Architectural drafting in MiniCad 6. London: Qualum, 1996.

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2

Kent, Janis. The MiniManual: An introduction & beyond to MiniCad. Beverly Hills, CA: Kent Architecture & Design, 1994.

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3

Stoppi, Jonathan. Architectural drafting in MiniCad: (v4 & 5.0 / Metric units). 2a ed. London: Qualum, 1995.

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4

Stoppi, Jonathan. Architectural drafting in MiniCad 7: For Mac & Windows : the standard textbook for architects, designers & builders. London: Qualum (Publishing), 1997.

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5

Kent, Janis. The minitutorial: A hop, skip, and jump into MiniCad. 6a ed. Beverly Hills, CA: Kent Architecture & Design, 1996.

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6

Kent, Janis. The MiniTutorial version 7: A hop, skip, and jump into MiniCAD. 2a ed. Beverly Hills, CA: Improbability Press, 1998.

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7

Kent, Janis. The MiniManual: An introduction and beyond to MiniCAD : version 7. 3a ed. Beverly Hills, CA: Improbability Press, 1998.

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8

Paci, Gianfranco. I fratelli De Minicis: Storici, archeologi e collezionisti del Fermano. Ancona: Deputazione di storia patria per le Marche, 2015.

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Monaldo, Leopardi. Monaldo Leopardi e la cultura marchigiana del suo tempo: Il carteggio con i fratelli De Minicis. Venosa: Osanna, 2002.

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Sankey, J. Evaluation of the BioSid dummy: Mdb-to-car left side impact test of a 27©® crabbed moving deformable barrier into a Minicars RSV 3-door hatchback at 39.0 mph. Washington, D.C.]: U.S. Dept. of Transportation, National Highway Traffic Safety Administration, 1991.

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Mais fontes

Capítulos de livros sobre o assunto "MiniCAST":

1

Raykov, Pavel. "Broadcast from Minicast Secure Against General Adversaries". In Automata, Languages, and Programming, 701–12. Berlin, Heidelberg: Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-662-47666-6_56.

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Yu, Shui, Wanlei Zhou e Justin Rough. "Minicast: A Multicast-Anycast Protocol for Message Delivery". In Parallel and Distributed Processing and Applications, 798–803. Berlin, Heidelberg: Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/978-3-540-30566-8_93.

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Burton, Steve, Mandy McGregor e Gloria Laycock. "Sexual Assault of Women by Illegal-Minicab Drivers in London". In Problem-Oriented Policing, 102–13. Abingdon, Oxon ; New York, NY : Routledge, 2020. | Series: Crime science series: Routledge, 2020. http://dx.doi.org/10.4324/9780429457357-11.

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Deng, Wenjie, Xinhui Kang e Congru Zhang. "Optimal Design of the Front Face of Minicars Based on Analytic Hierarchy Process". In Communications in Computer and Information Science, 543–49. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-58753-0_76.

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Petrick, Joseph A., e Diana S. Furr. "Minicases". In Total Quality in Managing Human Resources, 349–61. Routledge, 2017. http://dx.doi.org/10.1201/9780203735534-7.

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"minicamp, n." In Oxford English Dictionary. 3a ed. Oxford University Press, 2023. http://dx.doi.org/10.1093/oed/4504130157.

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"minicar, n." In Oxford English Dictionary. 3a ed. Oxford University Press, 2023. http://dx.doi.org/10.1093/oed/5051132344.

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"minicam, v." In Oxford English Dictionary. 3a ed. Oxford University Press, 2023. http://dx.doi.org/10.1093/oed/9373808342.

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"minicab, n." In Oxford English Dictionary. 3a ed. Oxford University Press, 2023. http://dx.doi.org/10.1093/oed/5576447607.

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"minicam, n." In Oxford English Dictionary. 3a ed. Oxford University Press, 2023. http://dx.doi.org/10.1093/oed/4967124695.

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Trabalhos de conferências sobre o assunto "MiniCAST":

1

Antonioli, Daniele, e Nils Ole Tippenhauer. "MiniCPS". In the First ACM Workshop. New York, New York, USA: ACM Press, 2015. http://dx.doi.org/10.1145/2808705.2808715.

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Schurl, Sebastian, Martin Kupper, Helmut Krasa, Stephan Schmidt, Stefan Sturm e Andreas Heidinger. "A PN-Measurement System for Small Engine Applications". In Small Powertrains and Energy Systems Technology Conference. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2023. http://dx.doi.org/10.4271/2023-01-1809.

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<div class="section abstract"><div class="htmlview paragraph">Particulates are among the most harmful emission components of internal combustion engines (ICE)). Thus, emission limits have been widely introduced, e.g., for light- and heavy-duty vehicles. Although there are still engine applications without particulate limitations, the measurement of particulate mass (PM) and particulate number (PN) emissions is therefore of special interest for the development and operation of ICE. For this purpose, a measurement system for PN consisting of a custom-built sample conditioning and dilution system, and a TSI 3790-A10 [<span class="xref">1</span>] condensation particle counter (CPC) as particle number counter (PNC) was designed and built. In this work, we present the conditioning and dilution system, the operational parameters, and results from the particle concentration reduction factor (PCRF) calibration. The sampling system was developed in accordance with the current global technical regulations (GTR15) [<span class="xref">2</span>] and consists of a heated sampling probe, up to three dilution stages and a catalytic stripper for volatile particle removal (VPR). In order to be able to cover a variety of engines and provide the wide measurement range of eleven orders of magnitude, further dilution stages were implemented in the system. With the help of a variable mixing chamber dilution and an additional ejector diluter, PCRFs between 1:200 and 1:5000 can be used. The primary dilution stage consists of an ejector-diluter calibrated to a dilution ratio of 1:23,4 at 20 °C. The catalytic stripper arranged in the system consists of an oxidation catalyst and a sulphate trap. A PCRF calibration was done using a Jing miniCAST [<span class="xref">3</span>] as a particle source, producing a polydisperse combustion aerosol which is passed through a dilution bridge, a VPR and a differential mobility analyzer (DMA). The DMA allows to select monodisperse modes according to mobility diameters of the particles. The PCRF was measured by a reference CPC (TSI 3775). Calibrations were done at 15, 23, 41, 60 and 100 nm for the eight different dilutions, resulting in 40 measurements.</div></div>
3

Al Shidhani, T., M. Al Juma, S. Al Harrasi, M. A. Najwani, K. A. Al Shereiqi, K. Al Amri, L. Natividad e A. Destremau. "Hybrid and Mobile Solar Power for Well Interventions Minicamp in Block 61 Oman". In ADIPEC. SPE, 2023. http://dx.doi.org/10.2118/216899-ms.

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Abstract Rig-less well intervention operations, typically including well-works, stimulation and testing (S&T), in bp Block 61 in Oman, normally requires the utilization of diesel-operated engines, such as generators and pumps. This is due to the fact that the nature of these activities call for constant movement from one well site to the other, and hence ease of equipment moveability is paramount to ensure efficient mobilizations. However, the concern with diesel engines is that they generate carbon emissions. As a result, with bp Wells Oman team’s vision to reduce dependency on diesel generators and ultimately reducing emissions, a mobile containerized solar-battery-diesel hybrid power system was implemented. The rig-less minicamp was identified as one of the main energy consumers in well intervention operations. Conventionally, the minicamp was powered by two diesel generators, one served as primary and the second as back up. Not only did this lead to carbon emissions, but it also created noise pollution for the personnel. To reduce the dependency on diesel generators in the minicamp, the containerized hybrid power system was introduced. On a single trailer, two containers housed both the solar panels and the battery system. The solar panels were designed in a sense where they could be easily unfolded and folded. This allowed the system to be not only more environmentally friendly, but also remain mobile to be suitable for remote well sites. The hybrid system was commissioned in December 2021. The cumulative emission savings since then is estimated to be up to 53,500 kg CO2eq. The combination of battery storage and solar panels enabled to completely shut down the diesel generators during daytime hours. Additionally, a great milestone was achieved in November 2022, where the electricity produced from solar, and battery covered 50% of the minicamp energy requirements. In addition to the environmental benefits, the system also provided operational benefits, as the containerized design allowed for easy transport and installation. During 2022, the system was mobilized at least 28 times and commissioned in every new wellsite on average in less than 6 hours. To add to that, the crew welfare was significantly enhanced as the noise produced by diesel generator was eliminated during the day-time hours. The system was complemented with remote real-time monitoring of its performance. This aided in optimizing its efficiency and identify potential issues. Several lessons learned and improvement opportunities were captured during the implementation of this system. The purpose of this paper is to detail how the team pushed the operational envelope to introduce this hybrid technology, and share the journey detailing the planning, design, implementation, lessons learned, scalability and improvement opportunities with the target of minimizing carbon emissions in wells operations.
4

Disterhoft, Andreas, e Kalman Graffi. "Minicamp: Prototype for Partial Participation in Structured Peer-to-Peer Monitoring Protocols". In 2017 IEEE 42nd Conference on Local Computer Networks (LCN). IEEE, 2017. http://dx.doi.org/10.1109/lcn.2017.58.

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Disterhoft, Andreas, e Kalman Graffi. "Minicamp: Middleware for Incomplete Participation in Structured Peer-to-Peer Monitoring Protocols". In 2018 IEEE 32nd International Conference on Advanced Information Networking and Applications (AINA). IEEE, 2018. http://dx.doi.org/10.1109/aina.2018.00150.

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6

Hirano, Yutaka, e Koichi Ohtomi. "Physical modeling of daily electric appliances for education by Modelica". In Asian Modelica Conference 2022, Tokyo, Japan, November 24-25, 2022. Linköping University Electronic Press, 2022. http://dx.doi.org/10.3384/ecp193111.

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Modelica is very useful to make physical models in various engineering fields such as mechanical, electrical, thermal, fluid systems, etc. This capability of Modelica is also useful to educate students and engineers about many physical areas using simulation. Authors are posting serialized articles in a technical magazine about physical modeling of daily electric appliances by Modelica to educate readers about both physics and Modelica language in Japan. This paper introduces some examples of physical modeling of various appliances such as electric minicar, dryer and speaker by Modelica.
7

Hirano, Yutaka, e Koichi Ohtomi. "Physical modeling of daily electric appliances for education by Modelica". In Asian Modelica Conference 2022, Tokyo, Japan, November 24-25, 2022. Linköping University Electronic Press, 2022. http://dx.doi.org/10.3384/ecp193121.

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Modelica is very useful to make physical models in various engineering fields such as mechanical, electrical, thermal, fluid systems, etc. This capability of Modelica is also useful to educate students and engineers about many physical areas using simulation. The authors are posting serialized articles in a technical magazine about physical modeling of daily electric appliances by Modelica to educate readers about both physics and Modelica language in Japan. This paper introduces some examples of physical modeling of various appliances such as electric minicar, dryer and speaker by Modelica.
8

Chen, Xiang (Frank), Mikhail A. Sokolov, Sehila M. Gonzalez De Vicente e Yutai Katoh. "Specimen Size and Geometry Effects on the Master Curve Fracture Toughness Measurements of EUROFER97 and F82H Steels". In ASME 2022 Pressure Vessels & Piping Conference. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/pvp2022-84514.

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Abstract EUROFER97 and F82H are two leading reduced-activation ferritic-martensitic (RAFM) steels for fusion blanket applications. Exposure to the harsh environment of fusion reactors can result in severe degradation of materials fracture toughness (FT). Thus, the post-irradiation evaluation of FT is critical to understanding the material behavior. Due to the space constraint of irradiation facilities, the development of small specimen test techniques (SSTT) is necessary to evaluate the performance of irradiated materials. In this study, we evaluated the specimen size and geometry effects on the ductile-to-brittle transition FT of EUROFER97 batch-3 and F82H-BA12 steels. The specimen thicknesses ranged from 1.65 to 12.7 mm and the geometries included 1.65 mm bend bar, 4 mm mini-compact tension (miniCT), and 0.5T compact tension (CT) specimens. Fracture toughness testing and evaluations were performed using the Master Curve method in the ASTM E1921-19 standard. After size correction to 1T size using the Master Curve method, no specimen size effect was observed between the 4 mm miniCT and 0.5T CT specimens for the Master Curve reference temperature T0Q, while the bend bars yielded a higher T0Q. A strong effect of fatigue precrack front straightness on T0Q for 0.5T CT specimens was observed. The minimum number of specimens needed for each specimen geometry has been determined.
9

Hu, Yao. "MiniCAR: Minimal Congestion-Aware Routing Method in Fine-Grained Circuit-Switched Networks for Parallel Computing Systems". In 2021 IEEE Symposium on Computers and Communications (ISCC). IEEE, 2021. http://dx.doi.org/10.1109/iscc53001.2021.9631424.

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Garbay, J., M. Ricard, J. Lumbroso, F. Rimareix, C. Uzan, S. Gouy e P. Leroy. "A new hand-held gamma camera for sentinel node detection in breast cancer. The Minicam experience in 50 cases." In CTRC-AACR San Antonio Breast Cancer Symposium: 2008 Abstracts. American Association for Cancer Research, 2009. http://dx.doi.org/10.1158/0008-5472.sabcs-1021.

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Relatórios de organizações sobre o assunto "MiniCAST":

1

Brenkert, Antoinette L., Steven J. Smith, Son H. Kim e Hugh M. Pitcher. Model Documentation for the MiniCAM. Office of Scientific and Technical Information (OSTI), julho de 2003. http://dx.doi.org/10.2172/935273.

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Carpin, John C., Erin L. Maloney, David A. McCaskey, Vincent M. McHugh e Matthew E. Parrish. Penetration of Aerosols Through Minicam Preconcentrator Tubes. Fort Belvoir, VA: Defense Technical Information Center, junho de 2012. http://dx.doi.org/10.21236/ada564300.

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3

Longworth, Terri L., Kwok Y. Ong e Marcia A. Johnson. Domestic Preparedness Program: Testing of SAW MiniCAD mkII Detector Against Chemical Warfare Agents - Summary Report. Fort Belvoir, VA: Defense Technical Information Center, janeiro de 2002. http://dx.doi.org/10.21236/ada402196.

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4

Dooley, J., e S. Friedman. A Global but Regionally Disaggregated Accounting of CO2 Storage Capacity: Data and Assumptions for Compiling Regional CO2 Storage Capacity Supply Curves for Incorporation within ObjECTS->MiniCAM. Office of Scientific and Technical Information (OSTI), fevereiro de 2005. http://dx.doi.org/10.2172/15020437.

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Lerner, Josh, James Tighe, Steve Dew, Vladimir Bosiljevac, Ann Leamon, Sandro Díez-Amigo e Maria Susana Garcia-Robles. Excerpts from Impact of Early Stage Equity Funds in Latin America: Vox Capital. Inter-American Development Bank, abril de 2016. http://dx.doi.org/10.18235/0006471.

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In April 2015, the Multilateral Investment Fund (MIF), a member of the Inter-American Development Bank (IDB) Group, commissioned the research team to prepare a report on the effectiveness of some recent venture capital (VC) fund investments in Latin America. This report contains the research team's findings. This report focuses on three funds in which the MIF has invested. Using these funds as case studies, chosen to represent different investment approaches and company stages, the team explores two dimensions of impact: first, the direct impact of fund managers on portfolio companies is considered, and then the indirect impact created by portfolio companies in their communities and the region is examined. In addition to addressing the broader question of impact, the report also profiles two investments from each fund's portfolio. In these "minicases" the ways in which the fund managers add value to their companies are presented. In this way the MIF continues to examine its performance and share its lessons with others who seek to reduce poverty and improve the economic vitality of Latin America and other emerging countries.
6

Lerner, Josh, James Tighe, Steve Dew, Vladimir Bosiljevac, Ann Leamon, Sandro Díez-Amigo e Maria Susana Garcia-Robles. Excerpts from Impact of Early Stage Equity Funds in Latin America: NXTP Labs. Inter-American Development Bank, abril de 2016. http://dx.doi.org/10.18235/0006470.

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In April 2015, the Multilateral Investment Fund (MIF), a member of the Inter-American Development Bank (IDB) Group, commissioned the research team to prepare a report on the effectiveness of some recent venture capital (VC) fund investments in Latin America. This report contains the research team's findings. This report focuses on three funds in which the MIF has invested. Using these funds as case studies, chosen to represent different investment approaches and company stages, the team explores two dimensions of impact: first, the direct impact of fund managers on portfolio companies is considered, and then the indirect impact created by portfolio companies in their communities and the region is examined. In addition to addressing the broader question of impact, the report also profiles two investments from each fund's portfolio. In these "minicases" the ways in which the fund managers add value to their companies are presented. In this way the MIF continues to examine its performance and share its lessons with others who seek to reduce poverty and improve the economic vitality of Latin America and other emerging countries.
7

Lerner, Josh, James Tighe, Steve Dew, Vladimir Bosiljevac, Ann Leamon, Sandro Díez-Amigo e Maria Susana Garcia-Robles. Impact of Early Stage Equity Funds in Latin America. Inter-American Development Bank, abril de 2016. http://dx.doi.org/10.18235/0006474.

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In April 2015, the Multilateral Investment Fund (MIF), a member of the Inter-American Development Bank (IDB) Group, commissioned the research team to prepare a report on the effectiveness of some recent venture capital (VC) fund investments in Latin America. This report contains the research team's findings. This report focuses on three funds in which the MIF has invested. Using these funds as case studies, chosen to represent different investment approaches and company stages, the team explores two dimensions of impact: first, the direct impact of fund managers on portfolio companies is considered, and then the indirect impact created by portfolio companies in their communities and the region is examined. In addition to addressing the broader question of impact, the report also profiles two investments from each fund's portfolio. In these "minicases" the ways in which the fund managers add value to their companies are presented. In this way the MIF continues to examine its performance and share its lessons with others who seek to reduce poverty and improve the economic vitality of Latin America and other emerging countries.
8

Lerner, Josh, James Tighe, Steve Dew, Vladimir Bosiljevac, Ann Leamon, Sandro Díez-Amigo e Maria Susana Garcia-Robles. Excerpts from Impact of Early Stage Equity Funds in Latin America: Progresa Capital. Inter-American Development Bank, abril de 2016. http://dx.doi.org/10.18235/0006472.

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In April 2015, the Multilateral Investment Fund (MIF), a member of the Inter-American Development Bank (IDB) Group, commissioned the research team to prepare a report on the effectiveness of some recent venture capital (VC) fund investments in Latin America. This report contains the research team's findings. This report focuses on three funds in which the MIF has invested. Using these funds as case studies, chosen to represent different investment approaches and company stages, the team explores two dimensions of impact: first, the direct impact of fund managers on portfolio companies is considered, and then the indirect impact created by portfolio companies in their communities and the region is examined. In addition to addressing the broader question of impact, the report also profiles two investments from each fund's portfolio. In these "minicases" the ways in which the fund managers add value to their companies are presented. In this way the MIF continues to examine its performance and share its lessons with others who seek to reduce poverty and improve the economic vitality of Latin America and other emerging countries.

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