Bibliographies thématiques / DESIGNS ISSUES

Littérature scientifique sur le sujet « DESIGNS ISSUES »

Auteur : Grafiati
Publié le 11 septembre 2023

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Articles de revues sur le sujet "DESIGNS ISSUES"

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Singh, B. B., et B. M. Berman. « Research issues for clinical designs ». Complementary Therapies in Medicine 5, no 1 (mars 1997) : 3–7. http://dx.doi.org/10.1016/s0965-2299(97)80082-9.

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Koch, Douglas D. « Issues in New Foldable IOL Designs ». Journal of Cataract & ; Refractive Surgery 28, no 7 (juillet 2002) : 1083–84. http://dx.doi.org/10.1016/s0886-3350(02)01456-6.

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Sahebi, Leyla, Saeed Dastgiri, Khalil Ansarin, Roya Sahebi et Seyyed Abolghasem Mohammadi. « Study Designs in Genetic Epidemiology ». ISRN Genetics 2013 (12 mai 2013) : 1–8. http://dx.doi.org/10.5402/2013/952518.

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Genetic epidemiology, as a relatively new issue, aims to explore the independent role of genetic-environmental determinants of diseases. Genetic epidemiology studies, depending on the objective, encompass the most preliminary surveys from the attempts to find family history in the occurrence of diseases to the most advanced surveys including specific strategies by clinical trials in the prevention of genetic diseases. Different objectives in genetic epidemiology studies require special methods and study designs. In this review, chief designs including familial aggregation, heritability, segregation, linkage, and association are evaluated; likewise, the purpose of diverse kinds of studies and analyses is briefly discussed. The utilization of study designs and related analyses according to the aims are the main issues and necessary in the accurate implementation of the study. Some methodological issues in relation to studies on tuberculosis are also reported. Attention to these issues might be useful in the implementation of these methods in the studies designed for the prevention and treatment of genetic disorders.
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Korn, Edward L., Boris Freidlin, Jeffrey S. Abrams et Susan Halabi. « Design Issues in Randomized Phase II/III Trials ». Journal of Clinical Oncology 30, no 6 (20 février 2012) : 667–71. http://dx.doi.org/10.1200/jco.2011.38.5732.

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Phase II trials are used to show sufficient preliminary activity of a new treatment (in single-arm designs or randomized screening designs) or to select among treatments with demonstrated activity (in randomized selection designs). The treatments prioritized in a phase II trial are then tested definitively against a control treatment in a randomized phase III trial. Randomized phase II/III trials use an adaptive trial design that combines these two types of trials in one, with potential gains in time and reduced numbers of patients required to be treated. Two key considerations in designing a phase II/III trial are whether to suspend accrual while the phase II data mature and the choice of phase II target treatment effect. We discuss these phase II/III design parameters, give examples of phase II/III trials, and provide recommendations concerning efficient phase II/III trial designs.
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Harwood, Douglas W., Timothy R. Neuman et Joel P. Leisch. « Summary of Design Speed, Operating Speed, and Design Consistency Issues ». Transportation Research Record : Journal of the Transportation Research Board 1701, no 1 (janvier 2000) : 116–20. http://dx.doi.org/10.3141/1701-15.

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Six papers in this Record were presented at a conference session during the January 1994 TRB annual meeting. They address various aspects of the relationships among design speed, operating speed, and design consistency. All six papers are examined to show the interrelationships of design speed, operating speed, and design consistency; what changes are needed in the current design process and current design policies; how the concept of design consistency can produce better designs; and what research is needed to develop these concepts further. The improvements involve three key principles. First, design speeds must not be arbitrary but must be selected realistically based on projected operating speeds. Second, if lower design speed is used, all aspects of the roadway and its environment must be consistent with the lower speed. Third, large differences in operating speed between successive roadway elements represent design inconsistencies that can lead to safety problems. These principles can be used to develop a design process that leads to safer, more efficient, and more consistent designs. The TRB Committees on Operational Effects of Geometrics (A3A08) and on Geometric Design (A2A02) jointly sponsored the January 1994 conference session to call attention to the many unresolved issues about the roles of design speed, operating speed, and design consistency in creating highway designs that operate efficiently and safely and meet the needs of drivers. Originally, two alternative topics were considered: relationship of design speed and operating speed and the role of formal design consistency criteria in creating good highway designs. These topics were so interrelated that it was difficult to address one without the other. A key insight from the papers was that in a consistent design the design speed selected for use in determining the geometrics of the facility is similar to the operating speed of the completed facility. To call attention to the central role of several speed-related parameters in creating consistent designs, the session was titled “Speed.” Key points of the papers are summarized, generalizing the principles and philosophy for creating consistent designs, and suggesting directions for research to develop the ideas into practical design policies that highway engineers can apply.
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Hu, P. « Experimental design issues for the early detection of disease : novel designs ». Biostatistics 3, no 3 (1 septembre 2002) : 299–313. http://dx.doi.org/10.1093/biostatistics/3.3.299.

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Nilakanta, Sree, Kevin Scheibe et Anil Rai. « Dimensional issues in agricultural data warehouse designs ». Computers and Electronics in Agriculture 60, no 2 (mars 2008) : 263–78. http://dx.doi.org/10.1016/j.compag.2007.09.009.

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Burke, Maria Edith. « Organizational Designs, Cultural Issues and Information Fulfilment ». International Journal of Knowledge, Culture, and Change Management : Annual Review 8, no 11 (2009) : 51–62. http://dx.doi.org/10.18848/1447-9524/cgp/v08i11/50689.

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Osga, Glenn A. « User-Computer Interface Issues for Future Ship Combat Consoles ». Proceedings of the Human Factors Society Annual Meeting 33, no 16 (octobre 1989) : 1079–83. http://dx.doi.org/10.1177/154193128903301610.

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As we approach the 1990's the surface navy is facing critical procurement decisions for the design of consoles for shipboard combat information centers. Studies are being conducted to identify the impact of current designs on performance, and to construct and test prototypes for future designs. The goal is to develop guidelines for future consoles which are performance based and which will guide both near and long-term design strategy. A methodology is being applied which incorporates job description, procedural simplification, and display re-design. Although much progess has been made, and potential design improvements identified for a single user-type in an anti-air warfare capacity, the scope of this effort leaves many design questions unanswered for the numerous types of combat information center operations and personnel.
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Boon, Pieta C., et Kit C. B. Roes. « DESIGN AND ANALYSIS ISSUES FOR CROSSOVER DESIGNS IN PHASE I CLINICAL STUDIES ». Journal of Biopharmaceutical Statistics 9, no 1 (23 février 1999) : 109–28. http://dx.doi.org/10.1081/bip-100101003.

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Thèses sur le sujet "DESIGNS ISSUES"

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Gillard, Nathan D. « Methodological Issues in Malingering Research : The Use of Simulation Designs ». Thesis, University of North Texas, 2010. https://digital.library.unt.edu/ark:/67531/metadc33153/.

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The accurate determination of malingering relies on the use of validated and clinically relevant assessment measures. Simulation design is the most often-used research design to accomplish this. However, its external validity is sometimes questioned. The goal of the thesis was to systematically evaluate these major elements: situation, incentives, and coaching. The situation in simulation studies can vary from relevant (academic failure in a college population) to irrelevant (capital murder) for the samples being studied. Incentives refer to the external motivation given to improve simulators' performance and can be positive (extra credit and monetary reward) or negative (extra time and effort). Finally, coaching refers to whether the participant receives any information on detection strategies that are designed to identify feigners. Using a large undergraduate sample in a factorial design, results indicate that a scenario familiar to the participants generally improved the believability of their responses. Coaching also improved the ability to feign convincingly, while incentive type was not associated with any change in scores. The implications of these findings for future research designs and the connection to practice are discussed.
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Stadler, Manfred. « Verification issues of virtual components in system-on-a-chip (SOC) designs / ». Zürich, 2000. http://e-collection.ethbib.ethz.ch/show?type=diss&nr=13814.

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Southall, David. « The implementational and educational issues relating to the behavioural synthesis of control dominated designs ». Thesis, Manchester Metropolitan University, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.283803.

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Matthews, D. I. « Replication methods applied to issues of non independence in the designs of contingent valuation experiments ». Thesis, Queen's University Belfast, 2014. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.679225.

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The author's intention in presenting this thesis is to develop new and simple to apply analytic methods to robustly estimate and compare Willingness to Pay (WTP) estimates and particularly to develop tests for statistical significance in these differences by estimating sampling variance appropriate to the method, taking into account the correlation between estimates incorporating the CV methods and or sampling designs. In particular I am interested in testing differences in estimated valuation statistics, such as Median WTP and thus overcoming aspects of non independence in the welfare estimates due to the design of the survey methodology e.g. in Double Bounded Dichotomous choices the estimate of the Double Bounded welfare estimate is not independent of the Single Bounded estimate because of the nature of the DB method. The use of replication here refers specifically to resampling methods that are used to provide variances of differences by simulating the sampling distribution by randomly resampling and thus quantifying the sampling variation. Here 3 of the 4 papers presented use either the bootstrap or jac1dmife method to produce the sampling variation of difference. The fourth paper uses a split sample approach to test individual WTP differences with a pooled Benefit Transfer estimate. The thesis presents four papers from 4 separate stated preference studies using different Contingent Valuation question formats which are used to evaluate WTP for: Improvement to Animal Welfare, Child safety on farms, Values of Forest recreation and Renewable Electricity generation in Chile. The theme of the thesis is to test for differences in estimates in WTP estimates between various within sample and across samples designs. These tests are used in 2 papers to test for the occurrences of inconsistency between SB and DB estimates and to test for anchoring of the second bid in relation to the level of the first bid offered amount in DBDC and thus to test for respondent behavioural effects such as Learning on inconsistency and anchoring.
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Ayers, James. « Educational contexts and designs for cultivating leaders capable of addressing the wicked issues of sustainability transitions ». Licentiate thesis, Blekinge Tekniska Högskola, Institutionen för strategisk hållbar utveckling, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-20603.

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The ongoing sustainability crisis offer numerous, multifaced societal challenges as a result of the ongoing degradation of socio-ecological systems by human activity causing massive ecological damage and human suffering. Overcoming these difficulties begs for the rapid transition of society towards sustainability. This desire for urgent action has been hindered by the lack of coordinated global leadership focused on addressing these challenges and implementing a transition towards a sustainable future. The sustainability crisis and its manifestations, which include for example climate change, air and water pollution, deforestation and social segregation, are interconnected and volatile issues whose parts influence and impact each other causing the crisis to worsen. The earth system is pushed towards tipping points from beyond which it may become impossible to maintain the human civilization. The failure of leadership to address the wicked nature of these crises means humanity has been left ill-equipped to deal with the complex problems of sustainability.  This thesis considers the role of Education for Sustainable Development (ESD) in overcoming these issues and operating as a leverage point towards sustainability. It focuses on investigating how the development of sustainability leadership education in Higher Education can contribute to addressing the sustainability crisis. It looks at the role that educators can play in designing learning environments that ensure leaders and leadership capable of addressing wicked problems posed by global unsustainability. The aim of this research is to investigate what educators should consider when designing learning environments that promote the qualities needed for leading in complexity towards sustainability. It does this by examining a number of ESD programs as case studies to investigate the efficacy of those programs at creating sustainability outcomes within their students. It also undertakes a literature review to describe and articulate the unique challenges faced by sustainability leaders from a personal and professional perspective. The study is situated closely to the ongoing ESD discussion regarding competencies-based learning for sustainability and the research aims to provide some contribution to that dialogue. It does this through the investigation of competencies acquisition and the discussion of emerging areas of leadership that may hold beneficial outcomes for the development and practice of sustainability leaders.   The results of the thesis suggest a number of outcomes for consideration by educators and include a number of main findings. Firstly, educational programs can be capable of achieving the acquisition of ‘sustainability’ competencies within their students, but if these competencies are not taught within a larger sustainability contextualization, then students can fail to see the purpose of the competencies ‘for’ sustainability. Secondly, reflective practices, developed as the result of reflective pedagogies, can provide beneficial qualities in students as future sustainability leaders and require distinct pedagogical structures in order to guide reflective practices towards sustainability outcomes. Finally, a number of unique personal and professional challenges to sustainability leadership exist and need to be overcome if the domain of sustainability is to ensure the ongoing resilience and wellbeing of individuals and groups acting as sustainability leaders.   This research suggests a novel contribution to a number of areas within ESD research, including creating knowledge within the competencies discussion regarding emerging areas of study that may influence the future of defined sustainability competencies. It also highlights the need for educators to consider the role of wellbeing and resilience in current and future sustainability leaders.
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Nguyen, Quoc-Dung [Verfasser], Coninx [Gutachter] Frans et Greisbach [Gutachter] Reinhold. « Designs of Speech Audiometric Tests in Vietnamese – The Issues of Normative Values, Dialectal Effects, and Tonal Patterns / Quoc-Dung Nguyen ; Gutachter : Coninx Frans, Greisbach Reinhold ». Köln : Universitäts- und Stadtbibliothek Köln, 2017. http://d-nb.info/1139117084/34.

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Voigt, Lisa [Verfasser], Sabina [Akademischer Betreuer] Ulbricht, Sabina [Gutachter] Ulbricht et Christine [Gutachter] Graf. « Overlooked issues in cardiovascular research designs : The impact of reactivity and accuracy in physical activity measurement / Lisa Voigt ; Gutachter : Sabina Ulbricht, Christine Graf ; Betreuer : Sabina Ulbricht ». Greifswald : Universität Greifswald, 2020. http://d-nb.info/120587996X/34.

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Meister, Kadri. « On Methods for Real Time Sampling and Distributions in Sampling ». Doctoral thesis, Umeå : Univ, 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-415.

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Rahman, Muhammad Saad. « Buck Converter Design Issues ». Thesis, Linköping University, Department of Electrical Engineering, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-9713.

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Switch Mode Power Supplies are very important components in present day electronics and have continued to thrive and grow over the past 25 years. This thesis looks inside how the SMPS have evolved over the passage of years with special emphasis to the Synchronous Buck Converter. It also discusses why there is a strong potential to further the study related to designs based around a Synchronous Buck Converter for portable applications. The main objective of the thesis is to look into the controller design for minimizing size, enhancing efficiency and reliability of power converters in portable electronic equipment such as mobile phones and PDAs. The thesis aims to achieve this using a 90 nm process with an input voltage of 1.55V and an output of 1V with a power dissipation of 200mW.

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Wang, Pei. « Issues of online course design ». Online version, 2000. http://www.uwstout.edu/lib/thesis/2000/2000wangp.pdf.

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Livres sur le sujet "DESIGNS ISSUES"

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Keirns, Johanna L. Designs for self-instruction : Principles, processes, issues. San Jose, Calif : VIP Graphics, 1998.

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Building schools : Key issues for contemporary design. Boston ; Basel : Walter de Gruyter, 2015.

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Harrington, David P. Designs for clinical trials : Perspectives on current issues. New York : Springer, 2012.

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Elias, Gail. Women in jail : Facility planning issues. Washington, D.C : U.S. Dept. of Justice, National Institute of Corrections, 1997.

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Environmental issues in architecture. Hoboken, N.J : John Wiley & Sons, 2010.

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Commerce, New Zealand Ministry of. Reform of the Designs Act 1953 and other issues : Proposed recommendations. Wellington : Business Policy Division, Ministry of Commerce, 1992.

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Elias, Gail L. Women in jail : Facility planning issues. Washington, D.C : U.S. Dept. of Justice, National Institute of Corrections, 1997.

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A, Reed Roy, dir. Models of confirmation and baptismal affirmation : Liturgical and educational issues and designs. Birmingham, Ala : Religious Education Press, 1995.

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Martin, Bloom, dir. Single-system designs in the social services : Issues andoptions for the 1990s. New York : Haworth Press, 1993.

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Stadler, Manfred. Verification issues of virtual components in system-on-a-chip (SOC) designs. Konstanz : Hartung-Gorre, 2000.

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Chapitres de livres sur le sujet "DESIGNS ISSUES"

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Deschenes, Elizabeth Piper. « Longitudinal Research Designs ». Dans Measurement Issues in Criminology, 152–66. New York, NY : Springer New York, 1990. http://dx.doi.org/10.1007/978-1-4613-9009-1_7.

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Das, Premadhis, Ganesh Dutta, Nripes Kumar Mandal et Bikas Kumar Sinha. « Miscellaneous Other Topics and Issues ». Dans Optimal Covariate Designs, 131–76. New Delhi : Springer India, 2015. http://dx.doi.org/10.1007/978-81-322-2461-7_8.

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Gresham, Frank M. « Designs for Evaluating Behavior Change ». Dans Issues in Clinical Child Psychology, 23–40. Boston, MA : Springer US, 1998. http://dx.doi.org/10.1007/978-1-4615-5323-6_2.

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Rosenberger, William F. « Adaptive designs in clinical trials : some issues with emphasis on asymptotic inference ». Dans Adaptive designs, 1–12. Hayward, CA : Institute of Mathematical Statistics, 1995. http://dx.doi.org/10.1214/lnms/1215451473.

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Petrie, Helen, Gerhard Weber, Charudatta Jadhav et Jennifer S. Darzentas. « Issues of Culture in Designing for Accessibility ». Dans Global Thoughts, Local Designs, 55–67. Cham : Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-92081-8_6.

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Wagener, Diane K. « Genetic Research Designs Strategies in Psychiatric Research ». Dans Issues in Diagnostic Research, 179–200. Boston, MA : Springer US, 1987. http://dx.doi.org/10.1007/978-1-4684-1265-9_7.

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Zenisky, April, Ronald K. Hambleton et Richard M. Luecht. « Multistage Testing : Issues, Designs, and Research ». Dans Elements of Adaptive Testing, 355–72. New York, NY : Springer New York, 2009. http://dx.doi.org/10.1007/978-0-387-85461-8_18.

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Donner, Allan, et Mekibib Altaye. « Selected Issues in the Design of Studies of Interrater Agreement ». Dans Applied Optimal Designs, 181–95. Chichester, UK : John Wiley & Sons, Ltd, 2005. http://dx.doi.org/10.1002/0470857005.ch7.

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Wallenstein, Sylvan, Harji Patel, Gerald Fava, Marcia Polansky, Karl Peace, Satya Dubey, Ronald Kershner, George Lynch et Matthew Koch. « 3 Two Treatment Crossover Designs ». Dans Statistical Issues in Drug Research and Development, 171–224. CRC Press Taylor & Francis Group 6000 Broken Sound Parkway NW, Suite 300 Boca Raton, FL 33487-2742 : CRC Press, 2017. http://dx.doi.org/10.1201/9780203738610-4.

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Yarnold, Paul R. « Statistical Analysis for Single-Case Designs ». Dans Methodological Issues in Applied Social Psychology, 177–97. Boston, MA : Springer US, 1992. http://dx.doi.org/10.1007/978-1-4899-2308-0_9.

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Actes de conférences sur le sujet "DESIGNS ISSUES"

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Jamil, Atif, Mohd Zuki Yusoff et Noorhana Yahya. « Current issues and challenges of MIMO antenna designs ». Dans Advanced Systems (ICIAS 2010). IEEE, 2010. http://dx.doi.org/10.1109/icias.2010.5716233.

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Shargay, Cathleen, Anil Singh, Tim Munsterman et Les Antalffy. « Coke Drum Design and Fabrication Issues ». Dans ASME 2010 Pressure Vessels and Piping Division/K-PVP Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/pvp2010-25765.

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There are numerous design, materials and fabrication issues which significantly affect the cost, reliability and life of coke drums. Primarily in a pros and cons narrative, this paper discusses many of these critical decisions. It first outlines the potential damage mechanisms resulting from coke drum operation, which are primarily thermal fatigue and bulging and also embrittlement, sulfidation and erosion. Delayed Coking operation is described along with the ever present desire by owners to shorten cycle times to maximize unit throughput. Some examples of the decisions include the choices of alloys for base metals, cladding, and weld overlay, and the desire to maximize postweld heat treatment (PWHT) cycles while maintaining Minimum Design Metal Temperature (MDMT) toughness requirements to permit multiple future drum weld repairs. Design issues are reviewed such as uniform versus stepped thickness wall designs, and preferential placement of shell/cone plates to their optimum locations in relation to their individual thicknesses and yield strengths. Skirts also have options in attachment designs, thicknesses and the use of keyholes. The discussion of these and numerous other issues will hopefully assist the industry in the current development of a technical standard on coke drums being done by the American Petroleum Institute (API).
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Sipes, Jr., Donald L. « Architectural issues and designs in creating high energy fiber lasers ». Dans Defense and Security Symposium, sous la direction de Gary L. Wood et Mark A. Dubinskii. SPIE, 2007. http://dx.doi.org/10.1117/12.731035.

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Singh, R. « Substrate noise issues in mixed-signal chip designs using Spice ». Dans International Conference on Electromagnetic Compatibility. IEE, 1997. http://dx.doi.org/10.1049/cp:19971128.

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Kapoor, B., et K. Just. « Embedded tutorial : Addressing critical power management verification issues in low power designs ». Dans 2011 Design, Automation & Test in Europe. IEEE, 2011. http://dx.doi.org/10.1109/date.2011.5763029.

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TELNOV, Valery. « Issues with current designs for e+e- and \gamma \gamma colliders ». Dans International Conference on the Structure and the Interactions of the Photon including the 20th International Workshop on Photon-Photon Collisions and the International Workshop on High Energy Photon Linear Colliders. Trieste, Italy : Sissa Medialab, 2014. http://dx.doi.org/10.22323/1.192.0070.

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Mohamed, Nassrin Ibrahim, Tharek Abd Rahman et Chee Yen Leow. « Issues and challenges of LTE antenna designs for USB-dongle device ». Dans 2012 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC). IEEE, 2012. http://dx.doi.org/10.1109/apwc.2012.6324897.

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Dubey, Venketesh N., et Richard M. Crowder. « Grasping and Control Issues in Adaptive End Effectors ». Dans ASME 2004 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2004. http://dx.doi.org/10.1115/detc2004-57126.

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Research into robotic grasping and manipulation has led to the development of a large number of tendon based end effectors. Many are, however, developed as a research tool, which are limited in application to the laboratory environment. The main reason being that the designs requiring a large number of actuators to be controlled. Due to the space and safety requirements, very few have been developed and commissioned for industrial applications. This paper presents design of a rigid link finger operated by a minimum number of actuators, which may be suitable for a number of adaptive end effectors. The adaptive nature built into the end effector (due to limited number of actuators) presents considerable problems in grasping and control. The paper discusses the issues associated with such designs. The research can be applicable to any adaptive end effectors that are controlled by limited number of actuators and evaluates their suitability in industrial environment.
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Lee, David E., et Michel A. Melkanoff. « Issues in Product Life Cycle Engineering Analysis ». Dans ASME 1993 Design Technical Conferences. American Society of Mechanical Engineers, 1993. http://dx.doi.org/10.1115/detc1993-0295.

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Abstract Traditional engineering analysis of product designs has focused primarily on a product’s operational performance without considering costs of manufacturing and other stages downstream from design. In contrast, life cycle analysis of a product during its initial development can play a crucial role in determining the product’s overall life cycle cost and useful life span. This paper examines product life cycle engineering analysis - measurement of product operational performance in a life cycle context. Life cycle engineering analysis is thus considered both as an extension of traditional engineering analysis methods and as a subset of a total product life cycle analysis. The issues critical to life cycle engineering analysis are defined and include product life cycle data modeling and analysis, analysis tools and their performance regimes, performance tradeoff measurement and problems of life cycle engineering analysis in an organizational context. Recommendations are provided for future research directions into life cycle engineering analysis in the context of integration architectures for concurrent engineering.
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Campbell, David K. « Drive Issues for High Performance Magneto-optic Recording ». Dans Optical Data Storage. Washington, D.C. : Optica Publishing Group, 1987. http://dx.doi.org/10.1364/ods.1987.wa1.

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In recent years much research has been directed towards developing magneto-optic recording technology, and in assessing its competitiveness in the computer data storage market. High areal density, removable media, reliability, and projected manufacturing costs make magneto-optic drives a very interesting mass storage alternative. However many drive designs have focused on only the above attributes, ignoring performance, thereby developing "slow" magneto-optic drives. Magneto-optic drives will certainly be more competitive if they are designed with equal or greater performance than comparably priced, comparable capacity, Winchester drives. This paper will examine the tradeoffs necessary to develop high performance magneto-optic drives. Design procedures for the read/write optics, media, modulation codes, formats, servo optics, and servo/seek mechanism and control, will be examined.
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Rapports d'organisations sur le sujet "DESIGNS ISSUES"

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Cadwallader, L. C. Qualitative Reliability Issues for Solid and Liquid Wall Fusion Designs. Office of Scientific and Technical Information (OSTI), janvier 2001. http://dx.doi.org/10.2172/776390.

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Ukkusuri, Satish, Lu Ling, Tho V. Le et Wenbo Zhang. Performance of Right-Turn Lane Designs at Intersections. Purdue University, 2021. http://dx.doi.org/10.5703/1288284317277.

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Right-turn lane (RTL) crashes are among the most key contributors to intersection crashes in the US. Different right turn lanes based on their design, traffic volume, and location have varying levels of crash risk. Therefore, engineers and researchers have been looking for alternative ways to improve the safety and operations for right-turn traffic. This study investigates the traffic safety performance of the RTL in Indiana state based on multi-sources, including official crash reports, official database, and field study. To understand the RTL crashes' influencing factors, we introduce a random effect negative binomial model and log-linear model to estimate the impact of influencing factors on the crash frequency and severity and adopt the robustness test to verify the reliability of estimations. In addition to the environmental factors, spatial and temporal factors, intersection, and RTL geometric factors, we propose build environment factors such as the RTL geometrics and intersection characteristics to address the endogeneity issues, which is rarely addressed in the accident-related research literature. Last, we develop a case study with the help of the Indiana Department of Transportation (INDOT). The empirical analyses indicate that RTL crash frequency and severity is mainly influenced by turn radius, traffic control, and other intersection related factors such as right-turn type and speed limit, channelized type, and AADT, acceleration lane and AADT. In particular, the effects of these factors are different among counties and right turn lane roadway types.
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Wolodko. L52036 High Pressure Design for New Pipelines. Chantilly, Virginia : Pipeline Research Council International, Inc. (PRCI), février 2005. http://dx.doi.org/10.55274/r0011118.

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The objective of this project was to review the state-of-the-art with respect to high pressure pipelines and to evaluate the technical feasibility of high pressure designs for new construction of onshore pipelines. The study includes a review of issues pertaining to the implementation of high pressure pipeline designs, as well as detailed analysis in two identified areas of importance: 1) the sizing of potential impact zones for high pressure, rich gas service, and 2) the assessment of various ductile fracture arrest models.
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Wroblewski, Angela, Bente Knoll, Barbara Pichler, Elisabeth Reitinger, Birgit Hofleitner, Barbara Egger, Victoria Englmaier, Peter Koller et Arn Sauer. Chancen feministischer Evaluation. Methodische Herausforderungen bei der Evaluation von Gender Mainstreaming und Gleichstellungspolitiken. Working Paper 119. Sous la direction de Angela Wroblewski. IHS - Institute for Advanced Studies, mai 2018. http://dx.doi.org/10.22163/fteval.2018.502.

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Studies in the context of gender mainstreaming, gender equality policy or feminist issues often face specific challenges in connection with the empirical approach. The Gender Mainstreaming Working Group (AK GM) of the German Evaluation Society (DeGEval) focused on the choice of adequate methods and research designs for the evaluation of gender mainstreaming measures, gender equality policies and feminist evaluation at its spring conference 2017, which took place at the IHS on 11 May 2017 and is documented in this volume.
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Blink, James A., Jack N. Bailey, Dwayne Chesnut, James Compton et Richard D. Snell. MAJOR REPOSITORY DESIGN ISSUES. Office of Scientific and Technical Information (OSTI), novembre 1997. http://dx.doi.org/10.2172/776484.

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Umeda, Shigeki, et Sanjay Jain. Integrated supply chain simulation system (ISSS) - modeling requirements and design issues. Gaithersburg, MD : National Institute of Standards and Technology, 2004. http://dx.doi.org/10.6028/nist.ir.7180.

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Hastings, Rachel, Meghan Quinn, Andrew Bernier et Craig Rutland. A review of airfield pavement drainage guidance. Engineer Research and Development Center (U.S.), octobre 2022. http://dx.doi.org/10.21079/11681/45720.

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Inadequate drainage conditions may lead to airfield pavement deterioration. A thorough review of existing pavement drainage guidance and literature was necessary to identify key drainage considerations such as surface drainage infrastructure, pavement drainage layer thickness, use of geotextiles, and performance in freeze–thaw climates. Existing airport drainage guidance is provided by the Unified Facilities Criteria (UFC), the Federal Aviation Administration (FAA), and the Tri-Service Pavements Working Group (TSPWG). Pavement drainage guidance is buried within regulations for pavement de-sign and can, at times, be split awkwardly to accommodate pavement guidance that is split between rigid and flexible designs. Most airfield pavement guidance has been adapted from guidance for highway design. Most guidance is also strength based, with little to no attention paid to material erodibility (a potential cause of pavement deterioration). This review also found very little reference to repairing, rather than completely replacing, damaged subsurface drainage layers. Further research is needed to assess the use of geofabrics and moisture in freeze–thaw conditions on drainage layers and surface structures. With further research, the retrofit and repair of existing subpavement systems might become a more economical solution to drainage-caused pavement deterioration issues than complete reconstruction.
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Panek et Young. PR-312-12208-R02 Limitations and Costs Associated with Raising Existing RICE Stack Heights. Chantilly, Virginia : Pipeline Research Council International, Inc. (PRCI), mars 2014. http://dx.doi.org/10.55274/r0010556.

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Modeling of actual and hypothetical compressor station facilities concluded increasing reciprocating engine stack height as one potential mitigation measure to reduce modeled impacts below the primary 1-hour NO2 National Ambient Air Quality Standards (NAAQS). Increasing stack heights to between 50-75 feet appears to offer considerable relief based on typical facility configurations (e.g., compressor house height, stack parameters). This white paper discusses potential stack design criteria to be considered when increasing existing exhaust stack heights or planning considerations for new units. To assist in gathering information on practical concerns and issues associated with raising existing compressor driver stacks, a questionnaire was developed and provided to operations and engineering staff, OEMs, and members to provide insight into physical constraints, engineering considerations, and costs to be considered and evaluated in developing this report. This white paper summarizes stack height limitations for reciprocating engines based on operating (e.g., back pressure, effective stack heights) and physical (e.g., guy-wire and structural requirements) constraints. Where available, cost implications are also provided. Criteria addressed include: Good Engineering Practice (GEP) for stack heights, engine back pressure limitations, structural integrity of the exhaust system, wind and seismic loads on the exhaust stack, and other specifications for structural designs. Proper stack design should address local environmental regulations, local building codes (e.g., height requirements, wind and seismic loads), structural integrity, base configuration, and lateral support.
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Landen, N. NIF diagnostic damage and design issues. Office of Scientific and Technical Information (OSTI), juin 1999. http://dx.doi.org/10.2172/9878.

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Chamberlain, Emma. Defining the tax base : design issues. CAGE, octobre 2020. http://dx.doi.org/10.47445/108.

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