Bibliographies thématiques / Impact positioning

Littérature scientifique sur le sujet « Impact positioning »

Auteur : Grafiati
Publié le 10 mars 2023

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Articles de revues sur le sujet "Impact positioning"

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Mirzaei, Siroos, Rainer W. Lipp, Sara M. Zajicek, Peter Knoll et Horst Köhn. « Impact of patient positioning in scintimammography ». European Journal of Nuclear Medicine and Molecular Imaging 28, no 7 (22 mai 2001) : 941–42. http://dx.doi.org/10.1007/s002590100558.

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O'Connell, Mary Patricia. « Positioning Impact on the Surgical Patient ». Nursing Clinics of North America 41, no 2 (juin 2006) : 173–92. http://dx.doi.org/10.1016/j.cnur.2006.01.010.

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Zhao, Xiaopeng, et Harry Dankowicz. « Control of Impact Microactuators for Precise Positioning ». Journal of Computational and Nonlinear Dynamics 1, no 1 (9 mai 2005) : 65–70. http://dx.doi.org/10.1115/1.1951781.

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Electrically driven impact microactuators generate nanoscale displacements without large driving distances and high voltages. These systems exhibit complex dynamics because of inherent nonlinearities due to impacts, friction, and electric forces. As a result, dramatic changes in system behavior, associated with so-called grazing bifurcations, may occur during the transition between impacting and nonimpacting dynamics, including the presence of robust chaos. For successful open-loop operating conditions, the system design is limited to certain parameter regions, where desired system responses reside. The objective of this paper is to overcome this limitation to allow for a more precise displacement manipulation using impact microactuators. This is achieved through a closed-loop feedback scheme that successfully controls the system dynamics in the near-grazing region.
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Blankson, Charles, Stavros P. Kalafatis, Julian Ming-Sung Cheng et Costas Hadjicharalambous. « Impact of Positioning Strategies on Corporate Performance ». Journal of Advertising Research 48, no 1 (mars 2008) : 106–22. http://dx.doi.org/10.2501/s0021849908080124.

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Coppieters, Michel W., Marc Van De Velde et Karel H. Stappaerts. « Positioning in Anesthesiology ». Anesthesiology 97, no 1 (1 juillet 2002) : 75–81. http://dx.doi.org/10.1097/00000542-200207000-00011.

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Background Stretch-induced neuropathy of the brachial plexus and median nerve in conventional perioperative care remains a relatively frequent and poorly understood complication. Guidelines for positioning have been formulated, although the protective effect of most recommendations remains unexamined. The similarity between the stipulated potentially dangerous positions and the components of the brachial plexus tension test (BPTT) justified the analysis of the BPTT to quantify the impact of various arm and neck positions on the peripheral nervous system. Methods Four variations of the BPTT in three different shoulder positions were performed in 25 asymptomatic male participants. The impact of arm and neck positions on the peripheral nervous system was evaluated by analyzing the maximal available range of motion, pain intensity, and type of elicited symptoms during the BPTT. Results Cervical contralateral lateral flexion, lateral rotation of the shoulder and fixation of the shoulder girdle in a neutral position in combination with shoulder abduction, and wrist extension all significantly reduced the available range of motion. Elbow extension also challenged the nervous system substantially. A cumulative impact could be observed when different components were simultaneously added, and a neutralizing effect was noted when an adjacent region allowed for unloading of the nervous system. Conclusions The experimental findings support the experientially based guidelines for positioning. Especially when simultaneously applied, submaximal joint positions easily load the nervous system, which may substantially compromise vital physiologic processes in and around the nerve. Therefore, even when the positioning of all upper limb joints is carefully considered, complete prevention of perioperative neuropathy seems almost inconceivable.
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Yeh, Ta-Kang, Cheinway Hwang, Guochang Xu, Chuan-Sheng Wang et Chien-Chih Lee. « Determination of global positioning system (GPS) receiver clock errors : impact on positioning accuracy ». Measurement Science and Technology 20, no 7 (10 juin 2009) : 075105. http://dx.doi.org/10.1088/0957-0233/20/7/075105.

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Han, Bang-Wool. « The Impact of Underdog Positioning on Consumer Preference in Korea : Focusing on Local Service Providers ». Journal of Korea Trade 26, no 5 (30 août 2022) : 76–87. http://dx.doi.org/10.35611/jkt.2022.26.5.76.

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Purpose - Small independent brands from local companies often use underdog positioning to compete with established global brands. However, whether the effectiveness of underdog positioning of local businesses in the service sector remains insufficient. The purpose of this paper is to investigate the underdog effect on the preference of Korean consumers for individual service providers positioned as underdogs. Design/methodology - The author examines the research question of this study using a one-way ANOVA in three different positioning (underdog vs. top dog vs. control) between-subjects design, with a group of Korean participants. Findings - The experimental study shows that support for independent local (vs. global) service providers positioned as underdogs is straightforward. Using the lens of consumer identification with underdog biographies, this study found that consumers prefer small local service providers with passion and determination regardless of their disadvantages. Originality/value - To the best of the author’s knowledge, this is the first study to examine the effectiveness of underdog positioning in the context of individual service providers. As it competes with global service companies for domestic consumer preference in Korea, the findings have great implications for ensuring the sustainability of small local service providers.
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Chaudhary, Neha, Luis Nero Alves et Zabih Ghassemlooy. « Impact of Transmitter Positioning and Orientation Uncertainty on RSS-Based Visible Light Positioning Accuracy ». Sensors 21, no 9 (27 avril 2021) : 3044. http://dx.doi.org/10.3390/s21093044.

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This paper present simulation-based results on the impact of transmitter (Tx) position and orientation uncertainty on the accuracy of the visible light positioning (VLP) system based on the received signal strength (RSS). There are several constraining factors for RSS-based algorithms, particularly due to multipath channel characteristics and set-up uncertainties. The impact of Tx uncertainties on positioning error performance is studied, assuming a statistical modelling of the uncertainties. Simulation results show that the Tx uncertainties have a severe impact on the positioning error, which can be leveraged through the usage of more transmitters. Concerning a smaller Tx’s position uncertainty of 5 cm, the average positioning errors are 23.3, 15.1, and 13.2 cm with the standard deviation values of 6.4, 4.1, and 2.7 cm for 4-, 9-, and 16-Tx cases, respectively. While for a smaller Tx’ orientation uncertainty of 5°, the average positioning errors are 31.9, 20.6, and 17 cm with standard deviation values of 9.2, 6.3, and 3.9 cm for 4-, 9-, and 16-Tx cases, respectively.
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Prochniewicz, Dominik, et Maciej Grzymala. « Analysis of the Impact of Multipath on Galileo System Measurements ». Remote Sensing 13, no 12 (11 juin 2021) : 2295. http://dx.doi.org/10.3390/rs13122295.

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Multipath is one of the major source of errors in precise Global Navigation Satellite System positioning. With the emergence of new navigation systems, such as Galileo, upgraded signals are progressively being used and are expected to provide greater resistance to the effects of multipath compared to legacy Global Positioning System (GPS) signals. The high quality of Galileo observations along with recent development of the Galileo space segment can therefore offer significant advantages to Galileo users in terms of the accuracy and reliability of positioning. The aim of this paper is to verify this hypothesis. The multipath impact was determined both for code and phase measurements as well as for positioning results. The code multipath error was determined using the Code-Minus-Carrier combination. The influence of multipath on phase observations and positioning error was determined using measurements on a very short baseline. In addition, the multipath was classified into two different types: specular and diffuse, using wavelet transform. The results confirm that the Galileo code observations are more resistant to the multipath effect than GPS observations. Among all of the observations examined, the lowest values of code multipath errors were recorded for the Galileo E5 signal. However, no advantage of Galileo over GPS was observed for phase observations and for the analysis of positioning results.
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M, Halafawi. « The Impact of Marine Environment on Jackup Rig Stability ». Petroleum & ; Petrochemical Engineering Journal 4, no 4 (2020) : 1–16. http://dx.doi.org/10.23880/ppej-16000238.

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Changing the conditions of offshore environment influences the offshore units' stability. In paper, a study of the impact of marine environment on a jackup rig was implemented. Firstly, the procedures of departure, transit, and emplacement on any emergency jacking location / stand by location are reviewed. After that, the conditions of weather forecasting are predicted and computed such as wave and wind lengths, speeds, and heights. Maps of changing wind and wave conditions are plotted. Surveying methods are used to determine the final location of the jackup rig. Maps of positioning the jackup rig are constructed. Additionally, the impact forces on the rig derrick are therefore computed. The developed results are effectively predicting the safe conditions and optimizing the positioning survey of the rig.
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Thèses sur le sujet "Impact positioning"

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Di, Giovanni Francesca 1985. « The impact of chromosome positioning in nuclear functions ». Doctoral thesis, Universitat Pompeu Fabra, 2016. http://hdl.handle.net/10803/458452.

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Chromatin is not randomly organized inside the eukaryotic nucleus in interphase. In budding yeast gene expression of some specific loci is affected by their positioning in the nucleus. Replication firing of early origins is also correlated to the position of the respective ARSs (Autonomously Replicating Sequences) in the nucleus. However, the relationship between nuclear positioning and DNA processes is not yet fully understood. To study the importance of chromosome positioning in nuclear processes and cell physiology, we use budding yeast strains carrying fused chromosomes, which are expected to dramatically change the chromosomes configuration in interphase. By combining microscopy and computational modeling we show that the chromosomes arrangement in strains carrying fused chromosomes is greatly modified. Despite the reorganization of chromosomes in the nucleus, our functional experiments show that transcriptional activity, replication timing and response to stress conditions are not affected. The results, thus, indicate that the function of the genome is mostly independent of chromosome positioning in the budding yeast nucleus.
La cromatina no está distribuida de manera aleatoria dentro del núcleo eucariota en interfase. En la levadura Saccharomyces cerevisiae la expresión de algunos genes específicos depende de su posición en el núcleo. El inicio de los orígenes de replicación está también correlacionado a la posición de las respectivas ARSs (Autonomously Replicating Sequences) en el núcleo. Sin embargo, la relación entre posición nuclear y los procesos del ADN no está completamente aclarado. Para estudiar la importancia de la posición de los cromosomas en las actividades nucleares y en la fisiología celular, hemos utilizado cepas de S. cerevisiae con fusiones cromosómicas, en las que la conformación cromosómica típica de la levadura cambia drásticamente. Mediante la combinación de la microscopía y de los modelos computacionales mostramos que la organización cromosómica en las cepas que llevan cromosomas fusionados está ampliamente modificada. Aunque la organización de los cromosomas está modificada, nuestros experimentos funcionales muestran que la actividad transcripcional, el tiempo de replicación y la respuesta a condiciones de estrés no se muestran alterados. Por consiguiente, los resultados indican que la función del genoma es principalmente independiente de la posición de los cromosomas en el núcleo de la levadura Saccharomyces cerevisiae.
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Matori, Abdul Nasir. « The impact of selective availability on offshore DGPS positioning ». Thesis, University of Newcastle Upon Tyne, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.319189.

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Hong, Chang-Ki. « Efficient differential code bias and ionosphere modeling and their impact on the network-based GPS positioning ». Columbus, Ohio : Ohio State University, 2007. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1190083730.

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Kennedy, Elena Dowin. « Positioning the beneficiary| The role of entwinement in social enterprise impact and performance management ». Thesis, University of Massachusetts Boston, 2016. http://pqdtopen.proquest.com/#viewpdf?dispub=10118419.

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This dissertation extends and contributes to the extant literature on social enterprise by examining the enterprise-beneficiary relationship in social enterprises with particular focus on performance measurement and social value creation. Ironically, while social missions and commitment to beneficiaries is what distinguishes social entrepreneurship from traditional entrepreneurship, little research has been conducted to examine this relationship. Utilizing a portfolio of 101 social enterprises based in New England, this study consisted of two phases: the development of a typology of social enterprise based on the enterprise-beneficiary relationships present in the portfolio, and a comparative case study closely examining six cases of social enterprise across the typology.

By examining beneficiary positioning, level of interaction, and relationship characteristics four archetypes of social enterprise were identified: general benefit enterprises, philanthropic enterprises, social business enterprises, and relational social enterprises. Examining these models, the concept of entwinement emerged. I define entwinement as the mutual reliance and commitment between two parties, in these cases the enterprises and the individual beneficiaries they seek to serve. These models fall along a continuum of entwinement, ranging from no entwinement in the general benefit enterprises to high entwinement in the relational social enterprises. By examining two cases each of philanthropic enterprises, social business enterprises and relational enterprises I found that entwinement has positive implications for stakeholder salience and depth of impact for individual beneficiaries. I also found that while funding requirements are a key driver of the development of formalized social performance measurement programs, the level of entwinement moderates that relationship.

This dissertation contributes directly to stakeholder theory and to the social entrepreneurship literature. It offers an explanation for how managers recognize the salience of their stakeholder groups by raising entwinement as a key mechanism through which managers recognize the legitimacy and power of the beneficiary group. By utilizing the capabilities approach from the development literature, this study also presents a framework through which depth of impact can be examined across issue are and business model design. Finally, this paper identified funder requirements as a key driver of social performance measurement systems, suggesting that even as social enterprises diversify their revenue streams and business models they still bear significant semblance to non-profit organizations.

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Brown, Andrew. « Parental participation, positioning and pedagogy : a sociological study of the IMPACT primary school mathematics project ». Thesis, University College London (University of London), 1999. http://discovery.ucl.ac.uk/10006616/.

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Carlson, Thomas P. « The impact of global positioning systems (G.P.S.) in land surveying and the related competencies needed by land surveying graduates in the State of Wisconsin ». Online version, 2000. http://www.uwstout.edu/lib/thesis/2000/2000carlson.pdf.

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Buscher, Konrad-Robert [Verfasser]. « Microvillus positioning of L-selectin and CD44 and its impact on leukocyte adhesion / Konrad-Robert Buscher ». Berlin : Medizinische Fakultät Charité - Universitätsmedizin Berlin, 2012. http://d-nb.info/1029847878/34.

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El, Hajj Mireille. « The impact of the new GPS signals on positioning accuracy for urban bus location based services ». Thesis, Imperial College London, 2017. http://hdl.handle.net/10044/1/56401.

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Increased bus patronage has the potential to facilitate the achievement of transport sustainability in cities in the developed and developing countries by alleviating congestion and its consequences including delays and pollution. However, this requires bus-friendly policies and a significant improvement in the efficiency of urban bus operations. Such operations consist of a large number of location based services such ‘countdown’ which requires the computation of bus arrival times at bus stops. However, to date there is a lack of agreement globally on the location based services and their key performance indicators expressed in the form of the required navigation performance parameters of accuracy, integrity (quality of or confidence in the position accuracy), continuity of service, and service availability. As a result of this, there is currently no optimal positioning system specification for bus operations. This thesis addresses these two issues and contributes to the field by firstly creating a comprehensive list of location-based services together with the required navigation performance for some of the applications. This is through a comprehensive literature review, consultation with a subject matter expert, and augmentation with, for the first time, a global survey of the major bus operators. Secondly, by demonstrating that a significant improvement in positioning accuracy is achievable with multi-constellation differential positioning. This is achieved through a comparative analysis of GPS only and augmentation with GLONASS and local differential positioning. Thirdly, the benefits of the new signals are demonstrated in the measurement and position domains, using established and novel mathematical models. The thesis analyses in detail the measurement qualities of the legacy and new signals in the measurement and position domains. The results of the former demonstrate the superiority of the L5 signal both in terms of signal strength and measurement precision, over the legacy L1 coarse acquisition (C/A) code measurements, with the new L2C as the weakest. The results of the position domain analysis show a significant improvement in positioning accuracy over the use L1 C/A code measurements alone, as a result of the mitigation of the ionospheric error through the combined use of the L1 C/A and L2C code measurements. The improvements in 3D positioning accuracy at the 95th percentile range from 22% (6m) in the clean (unobstructed environment) to 48% (13.66m) in the urban environment. The corresponding 2D horizontal positioning accuracy at the 95th percentile are 3.33m and 9.03m respectively. These improvements would not only enable more of the location based services to be supported but also facilitate the achievement of higher accuracy performance when using carrier phase measurements through enhanced ambiguity resolution.
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Rietjens, Maud. « Simplified method to investigate the modules positioning impact on large-scale PV plant performances in Northwest France ». Thesis, KTH, Energiteknik, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-246113.

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Modules modalities (landscape or portrait mounting) affect the losses related to partial shading by changing the internal circuital modules orientation. This partial shading is responsible up to 25% of output production losses in large-scale ground-mounted photovoltaic power plants (Mao, Sunan, Peng, Yanlong, & Weiping, 2017). Previous studies succeed in demonstrating, modelling and analyzing the link between module modalities and technical performance losses, putting the emphasis on the electrical effect. Nonetheless, the complexity of the non-linear behavior of modules under partial shading conditions limits detailed studies in reducing studied arrays sizes, neglecting some technical and economic issues of PV project development. Using a dynamic simulation model on PVsyst, this study proposes a simplified method to analyze the social, technical and economic impact of the positioning of modules on a French large-scale ground-mounted PV plant with fixed-mounting structures through a case study. Three positionings are studied: 2 portrait modules, 4 landscape modules and 6 landscape modules. This study provides the following contributions: (i) integrate geometric considerations related to modules orientation (ii) analyze modules positioning impact under different Ground Coverage Ratios and modules interconnections at the scale of a photovoltaic power plant (iii) translate the impact of modules positioning into socio-economic indicators (LCOE, NPV, IRR).
Modulpositionering (landskaps- eller porträttmontering) påverkar förlusterna i samband med partiell skuggning, vilket svarar för upp till 25% av produktionstabellerna i storskaliga fotovoltaiska kraftverk (Mao, Sunan, Peng, Yanlong & Weiping, 2017). Tidigare studier lyckas demonstrera, modellera och analysera länken mellan modulmodaliteter och tekniska prestandaförluster, vilket understryker den elektriska effekten. Inte desto mindre begränsar komplexiteten hos modulernas icke-linjära beteende under partiella skuggningsförhållanden detaljerade studier för att minska de studerade storlekarna för storleken, försumma de tekniska och ekonomiska realiteterna för PV-projektutveckling. Med en dynamisk simuleringsmodell som approximeras på PVsyst, föreslår denna studie metod för att analysera de sociala, tekniska och ekonomiska konsekvenserna av positionering av moduler på en fransk storskalig jordmonterad PV-anläggning genom en fallstudie. Tre modaliteter studeras: 2 porträttmoduler, 4 landskapsmoduler och 6 landskapsmoduler. Denna studie ger följande bidrag: (i) integrera geometriska överväganden relaterade till modulorientering (ii) analysera moduler positioneringspåverkan under olika markdäckningsförhållanden och moduler sammankopplingar i en fotovoltaisk kraftverks skala (iii) översätta inverkan av modulpositionering i socioekonomiska indikatorer (LCOE, NPV, IRR).
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Champroux, Alexandre. « Impact du stress oxydant sur l'intégrité de l'épigénome spermatique murin ». Thesis, Université Clermont Auvergne‎ (2017-2020), 2018. http://www.theses.fr/2018CLFAC004/document.

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Chez les Mammifères, le succès de la fécondation et d’un développement embryonnaire viable résident principalement dans la qualité des cellules reproductrices : les gamètes mâles (spermatozoïdes) et femelles (ovocytes) apportant chacun la moitié du patrimoine génétique du futur individu. Dès lors que ce patrimoine génétique est endommagé par différents processus tels que les attaques radicalaires communément appelées stress oxydant, cela peut compromettre la qualité des gamètes et par conséquent le succès de la reproduction. En effet, les dommages oxydants à l’ADN spermatique sont une des causes d’infertilité masculine fréquemment associés aux échecs reproductifs dans le cadre de conception naturelle ou artificielle chez l’homme. Afin de mieux appréhender l’impact des dommages oxydants sur la qualité des spermatozoïdes, notre équipe a généré des modèles murins présentant des atteintes oxydantes de l’ADN associées à des échecs reproductifs. Dans un de ces modèles nous avons pu montrer que tout le noyau spermatique n’était pas concerné de la même façon par les altérations oxydantes. De même, à l’échelle des chromosomes murins les investigations de l’équipe suggéraient que tous n’étaient concernés de la même façon. Dans ce travail de thèse, j’ai développé et mis en œuvre des protocoles d’hybridation in situ en fluorescence (FISH) permettant de montrer que la susceptibilité des chromosomes à l’oxydation est déterminée par la position des chromosomes dans le noyau spermatique murin. En parallèle de cette étude, je me suis intéressé à l’épigénome spermatique et plus particulièrement à la méthylation de l’ADN en conditions de stress oxydant. Les résultats préliminaires montrent qu’un environnement post-testiculaire pro-oxydant peut altérer le profil épigénétique spermatique. Dans un développement pré-clinique du sujet, j’ai contribué à montrer qu’une supplémentation orale antioxydante permettait de corriger les dommages oxydants à l’ADN, en modifiant la réponse antioxydante globale du tissu épididymaire des animaux
In Mammals, the success of fertilization and embryonic development, are associated to the quality of the reproductive cells: male gametes (spermatozoa) and female gametes (oocytes); each bringing half of the genetic heritage of the future individual. This genetic heritage may be compromised by various processes a very common one being radical attacks in cases of oxidative stress, it could diminish the quality of gametes and therefore the success of reproduction. It is well described that sperm DNA oxidative damage (SDOD) is one of the causes of male infertility frequently associated with reproductive failures in the context of natural or artificial conception in humans. To better understand the impact of oxidative damage on the quality of sperm, our team generated mouse models with SDOD. Characterization of these transgenic mice has shown that SDOD alone was associated with increased embryo defects, miscarriages and perinatal mortality. The team also brought forward that SDOD concerns preferentially specific regions of the sperm nucleus. In addition, the team suggested that sperm chromosomes were not identically susceptible to oxidative damage.In this thesis work, I developed and implemented fluorescence in situ hybridization (FISH) protocols to study chromosome positioning in the mouse sperm. I confirmed that susceptibility of chromosomes to oxidation is determined by their position in the murine sperm nucleus. In parallel, I addressed the question whether the sperm epigenome (particularly DNA methylation) was modified in a situation of post-testicular oxidative stress. Preliminary results seem to show that SDOD disturbs the sperm epigenetic profile.In parallel, in a pre-clinical approach, I contributed to show that an oral antioxidant supplementation can correct SDOD by modifying the antioxidant response of the epididymal tissue of the treated animals
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Livres sur le sujet "Impact positioning"

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Santerre, Rock. GPS satellite sky distribution : Impact on the propagation of some important errors in precise relative positioning. Fredericton, N.B : Dept. of Surveying Engineering, University of New Brunswick, 1989.

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United States. Congress. House. Committee on Science and Technology., dir. 106-1 Joint Hearing : Y2K in Orbit : The Impact of Satellites and The Global Positioning System, No. 106-6, [ERRATA]. [S.l : s.n., 1999.

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United States. Congress. House. Committee on Science and Technology., dir. 106-1 Joint Hearing : Y2K in Orbit : The Impact of Satellites and The Global Positioning System, No. 106-6, [ERRATA]. [S.l : s.n., 1999.

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M, Wassef A., Erindale College Survey Science Programme. et Association of Ontario Land Surveyors., dir. Impact of global positioning systems on surveying practices in Ontario : Proceedings of seminar held at Erindale Campus, University of Toronto, October 31-November 1, 1985. Mississauga, Ont : University of Toronto, Erindale Campus, Survey Science, 1986.

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United States. Congress. House. Committee on Science. Subcommittee on Technology. Y2K in orbit : The impact on satellites and the Global Positioning System : joint hearing before the Committee on Science, Subcommittee on Technology, and the Committee on Government Reform, Subcommittee on Government Management, Information, and Technology, House of Representatives, One Hundred Sixth Congress, first session, May 12, 1999. Washington, DC : [U.S. G.P.O.], 1999.

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LightSquared : The impact to small business GPS users : hearing before the Committee on Small Business, United States House of Representatives, One Hundred Twelfth Congress, first session, hearing held October 12, 2011. Washington : U.S. G.P.O., 2011.

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Impacts of the LightSquared network on federal science activities : Hearing before the Committee on Science, Space, and Technology, House of Representatives, One Hundred Twelfth Congress, first session, Thursday, September 8, 2011. Washington : U.S. G.P.O., 2011.

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Taccone, Paolo, et Davide Chiumello. Prone positioning in the ICU. Oxford University Press, 2016. http://dx.doi.org/10.1093/med/9780199600830.003.0099.

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Prone positioning (also known as ‘proning’, ‘prone manoeuvre’ or ‘prone ventilation’) refers to mechanical ventilation with patients positioned in prone position in contrast of standard supine (flat or semi-recumbent) position. The use of the prone positioning was proposed over 30 years ago as a means to improve arterial oxygenation in patients with acute respiratory distress syndrome (ARDS). Since then, extensive physiological research has been conducted to explore the possible mechanisms underlying the observed improvement in gas exchange, which involve changes in the distribution of both ventilation and pulmonary blood flow. Furthermore, it has been shown that, independently of gas exchange, prone positioning may reduce the harm of mechanical ventilation, which is known to adversely impact patient survival. In this chapter we will summarize the physiological effect of prone positioning, as well as the clinical evidences supporting its use to reduce mortality in patients with ARDS.
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Hermans, Hubert J. M. Positioning and Democracy in Teams and Organizations. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780190687793.003.0004.

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On the basis of a review of literature, the impact of groupthink and the importance of a democratic atmosphere in teams are discussed. An example of leadership in teams is provided by the interaction between a successful coach and his team during a soccer world championship. Leadership on the level of the organization is explored by giving the example of two merging organizations and their problematic cooperation. Leadership on the level of a world organization is exemplified by an analysis of the successes and failures of the United Nations. At the end of this chapter the concept of “flexible democracy” is presented. In this concept two lines of exploration come together, one referring to the movements on the dimensions of power distance and emotional distance and the other referring to the connection between self, team, and organization.
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Philip, Morgan. Positioning Manual for Indie Consultants : Find the Strategic Beachhead That Will Amplify Your Visibility, Momentum, Impact, and Profit. Ibex Publishing, 2022.

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Chapitres de livres sur le sujet "Impact positioning"

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Basiri, Anahid, Elena-Simona Lohan et Terry Moore. « The Impact of Galileo Open Service on the Location Based Services Markets : A Review on the Cost Structure and the Potential Revenue Streams ». Dans Multi-Technology Positioning, 269–81. Cham : Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-50427-8_13.

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Hofstetter, Patrick. « Introduction to Life Cycle Assessment and its Positioning ». Dans Perspectives in Life Cycle Impact Assessment, 1–30. Boston, MA : Springer US, 1998. http://dx.doi.org/10.1007/978-1-4615-5127-0_1.

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Wang, Ningbo, Yunbin Yuan, Zishen Li et Xingliang Huo. « Impact of Ionospheric Correction on Single-Frequency GNSS Positioning ». Dans Lecture Notes in Electrical Engineering, 471–86. Berlin, Heidelberg : Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-37404-3_39.

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Woodhouse, Stephen, et Mostyn Brown. « The Impact of Digitalization ». Dans The Palgrave Handbook of International Energy Economics, 613–27. Cham : Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-86884-0_30.

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AbstractPrevious energy transformations have been driven by the exploitation of a new energy resource. In contrast, although the digitalization of energy is delivering cost reductions in the supply and transportation of energy; digitalization is truly transformational because it brings the demand side into play, facilitating the move to a more integrated, highly flexible and customer-centric energy system which will ultimately unlock deep decarbonization of our societies. This fertile new energy landscape will be dominated by data-rich organizations able to establish direct relationships with consumers, resulting in the provision of new services which enable the integration of energy consumption with weather-dependent renewable production. Much of the focus is on the intelligent management of demand and supply from connected buildings and electric vehicles, leading to a proliferation of new business models. This increased connectivity comes with risks: increased danger of cybersecurity attacks and disruption of existing business relationships, staffing and organizational structures and a re-positioning of the role of the customer at the heart of the system. This commercial disruption is inherent to the digital transformation of the energy sector: an essential step in the transition to a carbon-neutral global economy.
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He, Zhengxun, Shuangcheng Zhang, Yang Nan, Kai Liu, Wei Qu, Huilin Wu et Qi Liu. « Analysis of Sea Surface Multipath and Impact on GNSS Precision Positioning ». Dans Lecture Notes in Electrical Engineering, 173–85. Singapore : Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-13-0005-9_15.

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Sánchez-Amboage, Eva, Verónica Mora-Jácome et Estefanía Sánchez-Cevallos. « Impact and Positioning in Social Media of Events in Southern Ecuador ». Dans Advances in Intelligent Systems and Computing, 323–27. Cham : Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-46068-0_42.

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Messias, Ana, Pedro Nicolau, Fernando Guerra, Ana Amaro, Luís Roseiro et Maria Augusta Neto. « Implant-Assisted Removable Partial Dentures in Mandibular Kennedy Class I Patients : The Impact of Implant Positioning ». Dans IFMBE Proceedings, 1424–30. Cham : Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-31635-8_175.

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Roxana-Denisa, Stoenescu, Căpățînă Gabriela et Cristea Adina. « The Impact of Country-of-Origin on Brand Positioning for Luxury Goods ». Dans Eurasian Studies in Business and Economics, 467–83. Cham : Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-27570-3_35.

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Kowalski, Paweł, et Dariusz Król. « An Approach to Evaluate the Impact of Web Traffic in Web Positioning ». Dans Agent and Multi-Agent Systems : Technologies and Applications, 380–89. Berlin, Heidelberg : Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-13541-5_39.

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Bambi, Stefano, et Stefano Elli. « Positioning the Critically Ill Patient : Evidence and Impact on Nursing Clinical Practice ». Dans Nursing in Critical Care Setting, 203–36. Cham : Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-50559-6_8.

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Actes de conférences sur le sujet "Impact positioning"

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Chaudhary, Neha, Luis Nero Alves et Zabih Ghassemlooy. « Impact of Transmitter Positioning Uncertainty on RSS-based Visible Light Positioning Accuracy ». Dans 2020 12th International Symposium on Communication Systems, Networks and Digital Signal Processing (CSNDSP). IEEE, 2020. http://dx.doi.org/10.1109/csndsp49049.2020.9249532.

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Berman, Kiyoshi J., William Bradley Glisson et L. Milton Glisson. « Investigating the Impact of Global Positioning System Evidence ». Dans 2015 48th Hawaii International Conference on System Sciences (HICSS). IEEE, 2015. http://dx.doi.org/10.1109/hicss.2015.618.

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Morice, Stephen, Shuki Ronen, Peter Canter, Ken Welker et Dean Clark. « The impact of positioning differences on 4D repeatability ». Dans SEG Technical Program Expanded Abstracts 2000. Society of Exploration Geophysicists, 2000. http://dx.doi.org/10.1190/1.1815722.

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Della Rosa, Francescantonio, Tommi Paakki, Jari Nurmi, Mauro Pelosi et Gianluca Della Rosa. « Hand-grip impact on range-based cooperative positioning ». Dans 2014 11th International Symposium on Wireless Communications Systems (ISWCS). IEEE, 2014. http://dx.doi.org/10.1109/iswcs.2014.6933449.

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Sikirica, Nenad, Darko Spoljar, Bola Lawon et Babatunde Rabiu. « Impact of Geomagnetic Storm on GPS Positioning Performance ». Dans 2018 International Symposium ELMAR. IEEE, 2018. http://dx.doi.org/10.23919/elmar.2018.8534673.

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Situ, Zhenhui, Ivan Wang-Hei Ho, Henry C. B. Chan et Daniel P. K. Lun. « The impact of node reliability on indoor cooperative positioning ». Dans 2016 IEEE International Conference on Digital Signal Processing (DSP). IEEE, 2016. http://dx.doi.org/10.1109/icdsp.2016.7868566.

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Peng, B., et A. H. Kemp. « Impact of location errors on geographic routing in realistic WSNs ». Dans 2010 International Conference on Indoor Positioning and Indoor Navigation (IPIN). IEEE, 2010. http://dx.doi.org/10.1109/ipin.2010.5647292.

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Staudinger, E., J. Stephan, Y. Corre et Y. Lostanlen. « Impact of human crowd activity on indoor wireless channels - Assessment and modeling ». Dans 2013 10th Workshop on Positioning, Navigation and Communication (WPNC). IEEE, 2013. http://dx.doi.org/10.1109/wpnc.2013.6533254.

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Chuang, Cheng-Ta, Tom Chang, Pei-Hung Jau et Fan-Ren Chang. « Applying the Kalman filter to the infrared-based touchless positioning system with dynamic adjustment of measurement noise features ». Dans 2014 9th International Microsystems, Packaging, Assembly and Circuits Technology Conference (IMPACT). IEEE, 2014. http://dx.doi.org/10.1109/impact.2014.7048449.

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Gioia, Ciro, Salvatore Gaglione et Daniele Borio. « Inter-system Bias : Stability and impact on multi-constellation positioning ». Dans 2015 IEEE Metrology for Aerospace (MetroAeroSpace). IEEE, 2015. http://dx.doi.org/10.1109/metroaerospace.2015.7180635.

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Rapports d'organisations sur le sujet "Impact positioning"

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Goodman, J. M. Impact of the Geoplasma on a Spaceborne GPS(Global Positioning System) Receiver System - A Preliminary Study. Fort Belvoir, VA : Defense Technical Information Center, février 1989. http://dx.doi.org/10.21236/ada205965.

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Ghanipoor Machiani, Sahar, Aryan Sohrabi et Arash Jahangiri. Impact of Regular and Narrow AV-Exclusive Lanes on Manual Driver Behavior. Mineta Transportation Institute, octobre 2020. http://dx.doi.org/10.31979/mti.2020.1922.

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This study attempts to answer the question of how a narrow (9-ft) lane dedicated to Automated Vehicles (AVs) would affect the behavior of drivers in the adjacent lane to the right. To this end, a custom driving simulator environment was designed mimicking the Interstate 15 smart corridor in San Diego. A group of participants was assigned to drive next to the simulated 9-ft narrow lane while a control group was assigned to drive next to a regular 12-ft AV lane. Driver behavior was analyzed by measuring the mean lane position, mean speed, and mental effort (self-reported/subjective measure). In addition to AV lane width, the experimental design took into consideration AV headway, gender, and right lane traffic to investigate possible interaction effects. The results showed no significant differences in the speed and mental effort of drivers while indicating significant differences in lane positioning. Although the overall effect of AV lane width was not significant, there were some significant interaction effects between lane width and other factors (i.e., driver gender and presence of traffic on the next regular lane to the right). Across all the significant interactions, there was no case in which those factors stayed constant while AV lane width changed between the groups, indicating that the significant difference stemmed from the other factors rather than the lane width. However, the trend observed was that drivers driving next to the 12-ft lane had better lane centering compared to the 9ft lane. The analysis also showed that while in general female drivers tended to drive further away from the 9-ft lane and performed worse in terms of lane centering, they performed better than male drivers when right-lane traffic was present. This study contributes to understanding the behavioral impacts of infrastructure adaptation to AVs on non-AV drivers.
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Shinmyouzu, Kouhei. Conceptual model to optimize implant positioning in edentulous mandible treated with an over denture ; A case series preliminary report. Science Repository, avril 2019. http://dx.doi.org/10.31487/j.dobcr.2019.02.01.

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SAINI, RAVINDER, AbdulKhaliq Alshadid et Lujain Aldosari. Investigation on the application of artificial intelligence in prosthodontics. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, décembre 2022. http://dx.doi.org/10.37766/inplasy2022.12.0096.

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Review question / Objective: 1. Which artificial intelligence techniques are practiced in dentistry? 2. How AI is improving the diagnosis, clinical decision making, and outcome of dental treatment? 3. What are the current clinical applications and diagnostic performance of AI in the field of prosthodontics? Condition being studied: Procedures for desktop designing and fabrication Computer-aided design (CAD/CAM) in particular have made their way into routine healthcare and laboratory practice.Based on flat imagery, artificial intelligence may also be utilized to forecast the debonding of dental repairs. Dental arches in detachable prosthodontics may be categorized using Convolutional neural networks (CNN). By properly positioning the teeth, machine learning in CAD/CAM software can reestablish healthy inter-maxillary connections. AI may assist with accurate color matching in challenging cosmetic scenarios that include a single central incisor or many front teeth. Intraoral detectors can identify implant placements in implant prosthodontics and instantly input them into CAD software. The design and execution of dental implants could potentially be improved by utilizing AI.
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Bano, Masooda, et Daniel Dyonisius. The Role of District-Level Political Elites in Education Planning in Indonesia : Evidence from Two Districts. Research on Improving Systems of Education (RISE), août 2022. http://dx.doi.org/10.35489/bsg-rise-wp_2022/109.

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Focus on decentralisation as a way to improve service delivery has led to significant research on the processes of education-policy adoption and implementation at the district level. Much of this research has, however, focused on understanding the working of the district education bureaucracies and the impact of increased community participation on holding teachers to account. Despite recognition of the role of political elites in prioritising investment in education, studies examining this, especially at the district-government level, are rare. This paper explores the extent and nature of engagement of political elites in setting the education-reform agenda in two districts in the state of West Java in Indonesia: Karawang (urban district) and Purwakarta (rural district). The paper shows that for a country where the state schooling system faces a serious learning crisis, the district-level political elites do show considerable levels of engagement with education issues: governments in both districts under study allocate higher percentages of the district-government budget to education than mandated by the national legislation. However, the attitude of the political elites towards meeting challenges to the provision of good-quality education appears to be opportunistic and tokenistic: policies prioritised are those that promise immediate visibility and credit-taking, help to consolidate the authority of the bupati (the top political position in the district-government hierarchy), and align with the ruling party’s political positioning or ideology. A desire to appease growing community demand for investment in education rather than a commitment to improving learning outcomes seems to guide the process. Faced with public pressure for increased access to formal employment opportunities, the political elites in the urban district have invested in providing scholarships for secondary-school students to ensure secondary school completion, even though the district-government budget is meant for primary and junior secondary schools. The bupati in the rural district, has, on the other hand, prioritised investment in moral education; such prioritisation is in line with the community's preferences, but it is also opportunistic, as increased respect for tradition also preserves reverence for the post of the bupati—a position which was part of the traditional governance system before being absorbed into the modern democratic framework. The paper thus shows that decentralisation is enabling communities to make political elites recognise that they want the state to prioritise education, but that the response of the political elites remains piecemeal, with no evidence of a serious commitment to pursuing policies aimed at improving learning outcomes. Further, the paper shows that the political culture at the district level reproduces the problems associated with Indonesian democracy at the national level: the need for cross-party alliances to hold political office, and resulting pressure to share the spoils. Thus, based on the evidence from the two districts studied for this paper, we find that given the competitive and clientelist nature of political settlements in Indonesia, even the district level political elite do not seem pressured to prioritise policies aimed at improving learning outcomes.
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