نتایج جستجو برای: principle componenet analysis

تعداد نتایج: 2939147  

Journal: :Advances in transdisciplinary engineering 2022

Transition is the basic phenomena of complex flow regime changes in fluid mechanics. So far, axiomatic expression and rigorous mathematical description transition separation are important scientific problems, which also great significance to development Applied Science. This article obtaining conditions general for through excited state theory flowfield, derivation based on N-S equations, combi...

Journal: :iranian journal of public health 0
r noori dept. of environmental engineering, graduate faculty of environment, university of tehran, iran ma abdoli dept. of environmental engineering, graduate faculty of environment, university of tehran, iran m jalili ghazizade dept. of environmental engineering, graduate faculty of environment, university of tehran, iran r samieifard dept. of environmental engineering, graduate faculty of environment, university of tehran, iran

background: municipal solid waste (msw) is the natural result of human activities. msw generation modeling is of prime im­portance in designing and programming municipal solid waste management system. this study tests the short-term pre­diction of waste generation by artificial neural network (ann) and principal component-regression analysis. methods: two forecasting techniques are presented in...

Journal: :journal of agricultural science and technology 2010
m. danesh h. a. bahrami s. k. alavipanah a. a. noroozi

the geometric mean particle diameter (dg) and lime are two of the most important properties from the viewpoint of soil management. nowadays remote sensing technology which has emerged walking with science development throughout the world, has made soil study faster, more facile and more cost-efficient. an investigation of soil dg and lime was performed in pol-e-dokhtar area by use of four sets ...

Various approached have been introduced to extract as much as information form seismic image for any specific reservoir or geological study. Modeling of faults and fractures are among the most attracted objects for interpretation in geological study on seismic images that several strategies have been presented for this specific purpose. In this study, we have presented a modified approach of ap...

اصغرنژاد فرید, علی اصغر , شاره, حسین , فیروزآبادی , عباس , میرزایی, جعفر ,

Objectives: This study was carried out with the aim of normalizing Clinician Administered PTSD Scale-version 1 (CAPS-1) for psychological consequences due to war. Method: Participants comprised 105 Iran-Iraq war male veterans with a disability degree of 15-50 percent all diagnosed with Posttraumatic Stress Disorder (PTSD). Reliability was evaluated by test-retest with two weeks interval and Cro...

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