نتایج جستجو برای: micro model
تعداد نتایج: 2201764 فیلتر نتایج به سال:
To connect different scale models in the multi-scale problem of microwave use, equivalent material constants were researched numerically by a three-dimensional electromagnetic field, taking into account eddy current and displacement current. A volume averaged method and a standing wave method were used to introduce the equivalent material constants; water particles and aluminum particles are us...
BACKGROUND AND OBJECTIVES Many studies have investigated the application of micro-insulated needles with radio frequency (RF) to treat acne in humans; however, the use of a micro-insulated needle RF applicator has not yet been studied in an animal model. The purpose of this study was to evaluate the effectiveness of a micro-insulated needle RF applicator in a rabbit ear acne (REA) model. STUD...
the present study reports an analysis of response articles in four different disciplines in the social sciences, i.e., linguistics, english for specific purposes (esp), accounting, and psychology. the study has three phases: micro analysis, macro analysis, and e-mail interview. the results of the micro analysis indicate that a three-level linguistic pattern is used by the writers in order to cr...
The present study considers of the water and air flow and Micro-Bubble production inside the venturi tube, by the use of dimensional analysis. Numerical analysis of Micro-Bubble creation in venturi tube requires fast computers and large amounts of storage space. Up to now, there has been no numerical analysis concerning Micro-Bubble creation and all other existing studies are experimental. To s...
rivers and runoff have always been of interest to human beings. in order to make use of the proper water resources, human societies, industrial and agricultural centers, etc. have usually been established near rivers. as the time goes on, these societies developed, and therefore water resources were extracted more and more. consequently, conditions of water quality of the rivers experienced rap...
Background and Objectives: The goal of current study is to evaluate the performance of hospitals and their departments. This manuscript aimed at estimation of the most productive scale size (MPSS), returns to scale (RTS), and benchmarking for inefficient hospitals and their departments. Methods: The radial and non-radial data envelopment analysis (DEA) ap...
To configure a photovoltaic solar energy production plant the circumstances of a site play an important role. A site usually consists a number of specific locations that can be considered ideal (no shadow, perfect southward position, optimal vertical angle). However, much more often locations in a site are not ideal, to an extent that both depends on time of the year and time of the day. An imp...
„Man reibt sich die Augen – es gibt sie noch: Workshops und Projekte zum Wissensmanagement. Nur wozu? Das Experiment ist gescheitert“ – so beginnt ein Artikel im Handelsblatt Anfang Oktober letzten Jahres [HB02], und diese Stimme ist kein Einzelfall. Vertreter der Wirtschaft winken immer häufiger ab, wenn von Wissensmanagement die Rede ist. Dafür gibt es viele Gründe. Einer von ihnen ist die Ta...
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