نتایج جستجو برای: factor pair
تعداد نتایج: 954447 فیلتر نتایج به سال:
امروزه، در بیشتر اراضی سرعت فرسایش خاک بیش از سرعت تشکیل خاک است. در نتیجه باعث تهی شدن منابع خاک و کاهش توانایی حاصلخیزی خاک می شود. در ایران استان گلستان به علت موقعیت جغرافیایی و اقلیمی آن و تخریب بالای منابع آن و همچنین به علت اینکه سطح وسیعی از اراضی از لس تشکیل شده دارای میزان فرسایش خاک بالایی می باشد. یکی از راه های تخمین میزان فرسایش و رسوب و بررسی میزان تلفات مواد غذایی خاک استفاده از...
We use a combination of metrics to understand, model, and evaluate the impact of Pair Programming on software development. Pair Programming is a core technique in the hot process paradigm of Extreme Programming. At the expense of increased personnel cost, Pair Programming aims at increasing both the team productivity and the code quality as compared to conventional development. In order to eval...
The aim of the study was to assess the impact of motor abilities and morphological characteristics on junior judoka performance. A set of 14 morphological parameters and a set of 14 motor tests as predictor variables, and 3 variables evaluating judo performance as criteria were applied in a sample of 40 judoists aged 17 years +/-6 months. Three factors were isolated by factor analysis in morpho...
An mRNA encoding a helix-loop-helix protein that we have named HLH462 is induced in mouse 3T3 cells as part of the immediate early transcriptional response to growth factors and other signaling agents. The RNA is present in a number of mouse tissues and in the developing mouse fetus. The HLH462 gene has been mapped by interspecific backcross analysis to the distal region of mouse chromosome 4. ...
background: gamma -aminobutyric acid (gaba), a non-protein amino acid acts as an inhibitory neurotransmitter in the central nervous system of mammalians. the glutamate decarboxylase (gad) is responsible for the conversion of l-glutamate to gaba. the human brain has two isoforms of this enzyme, gad65 and gad67 that differ in molecular weight, amino acid sequence, antigenicity, cellular location ...
با توجه به اهمیتی که رودخانه ها در تأمین منابع آب بشر دارند، آگاهی از میزان رواناب و بار رسوبی که حمل می کنند می تواند بشر را در برنامه ریزی های آینده در منابع آب یاری نماید. امروزه، کاربرد روش های سیستمی به خاطر توانایی پردازش حجم بالایی از داده ها در مدت زمان کوتاه در برنامه ریزی منابع آب در حال افزایش می باشد. از آنجایی که مدل swat2009 یک مدل جامع و کامل جهت ارزیابی فرآیندهای هیدرولوژیک در س...
the present study is an attempt toward evaluating the performance of portfolios and assets selecting using modified mean-variance models by utilizing a non-parametric efficiency analysis tool, namely data envelopment analysis (dea). huge amounts of money are being invested in financial market. as a result, portfolio performance evaluation has created a great deal of interest among people. we kn...
A theoretical analysis and experimental investigation of the influence gas pressure on resonance properties, namely, quality factor frequency, a T-shaped quartz tuning fork (QTF) is reported here. Two configurations are considered: bare QTF, QTF coupled with pair resonator tubes (spectrophone). In both configurations, effect air frequency due to additional inertia prong motion damping factor, w...
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