نتایج جستجو برای: روش sherpa
تعداد نتایج: 369828 فیلتر نتایج به سال:
INTRODUCTION Studying human errors as a risk factor in the occurrence of accidents is necessary. Thus, the aim of this study was to identify, predict and control human errors in industrial control units. METHOD This is a case study carried out using SHERPA in the first unit of Zagros Methanol of Asalooyeh, Iran, and its subunits. To collect the required data, various methods were used: observ...
Sherpa population is an ethnic group living in south mountainside of Himalayas for hundreds of years. They are famous as extraordinary mountaineers and guides, considered as a good example for successful adaptation to low oxygen environment in Tibetan highlands. Mitochondrial DNA (mtDNA) variations might be important in the highland adaption given its role in coding core subunits of oxidative p...
Sherpas living around the Himalayas are renowned as high-altitude mountain climbers but when and where the Sherpa people originated from remains contentious. In this study, we collected DNA samples from 582 Sherpas living in Nepal and Tibet Autonomous Region of China to study the genetic diversity of both their maternal (mitochondrial DNA) and paternal (Y chromosome) lineages. Analysis showed t...
We study Matrix Element corrections as implemented in four popular event generators for hadron collisions. We compare PYTHIA, HERWIG, AlpGen and SHERPA in the Z/γ inclusive production at LHC. PYTHIA and HERWIG are able to correct the first emission from the shower taking the Matrix Element calculation for one additional parton into account. SHERPA and AlpGen are able to take into account Matrix...
In this contribution the multi-purpose event generation framework SHERPA is presented and the development status of its physics modules is reviewed. In its present version, SHERPA is capable of simulating lepton-lepton, lepton-photon, photon-photon and fully hadronic collisions, such as proton-proton reactions. SHERPA [1] is an independent approach for a framework for event generation at high e...
Admixture is recognized as a widespread feature of human populations, renewing interest in the possibility that genetic exchange can facilitate adaptations to new environments. Studies of Tibetans revealed candidates for high-altitude adaptations in the EGLN1 and EPAS1 genes, associated with lower haemoglobin concentration. However, the history of these variants or that of Tibetans remains poor...
Approximately 33% of stroke patients have difficulty performing activities of daily living, often committing errors during the planning and execution of such activities. The objective of this study was to evaluate the ability of the human error identification (HEI) technique SHERPA (Systematic Human Error Reduction and Prediction Approach) to predict errors during the performance of daily activ...
مقدمه: خطاهای انسانی یکی از مهم ترین مباحثی است که در جهان امروزی اهمیت زیادی داشته و در مشاغل وابسته به گروه پزشکی از جمله پرستاری، به منظور پیدا کردن رهیافت هایی برای شناسایی و کاهش آنها بسیار حائز اهمیت است. تحقیق حاضر بدین منظور و برای اولین بار در ایران با استفاده از روش های استاندارد انجام شد. روش بررسی: این پژوهش از نوع کیفی و به صورت مقطعی و با تکنیک sherpa انجام شد. ابتدا هدف و روش کار...
In the algorithm presented here, the ME+PS approach [1] to merge samples of tree-level matrix elements into inclusive event samples is combined with the POWHEG method [2], which includes exact next-to-leading order matrix elements in the parton shower. The advantages of the method are discussed and the quality of its implementation in SHERPA is exemplified by results for e+e− annihilation into ...
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