نتایج جستجو برای: criteria and indices

تعداد نتایج: 16852042  

Abstract: One of basic principle of any organization is to assure about obtained figures from measuring products. If the measured data was not trusted, will be lead to a wrong decisions regarding the approval or rejection of products and obviously the cost would be great. First cases in measurement systems analysis which crossing minds are criteria for approval or rejection any mea...

Journal: :محیط شناسی 0
سید حامد میرکریمی استادیار دانشگاه علوم کشاورزی و منابع طبیعی گرگان سپیده سعیدی دانشجوی دکتری ارزیابی و آمایش محیط زیست، دانشگاه علوم کشاورزی و منابع طبیعی گرگان مرجان محمد زاده استادیار دانشگاه علوم کشاورزی و منابع طبیعی گرگان عبدالرسول سلمان ماهینی دانشیار دانشگاه علوم کشاورزی و منابع طبیعی گرگان

introduction conservation and management of landscapes and beautiful sceneries is one of the necessities of establishing and maintaining the protected areas. analysis of landscape visual quality has an important place in landscape planning and designing. in this way, reviewing effective criteria and discovering the simple patterns which affect the landscapes is the most important step of modeli...

Introduction: Wetland ecosystems, especially marine coastal wetlands of the most important and also the most vulnerable are the world's environmental resources. Which has always been sensitive to the fragility of coastal areas, high population density and intensive human activities are faced with the threat of destruction. Based on this, monitoring the trend of the changes in wetlands and their...

Journal: :The European respiratory journal 1994
D J Chinn J E Cotes

Transit time analysis applied to spirograms truncated with respect to volume, not time, could be informative in population surveys. The present paper asks the questions: How does averaging several forced expirations affect the within subject variability at different levels of truncation? If only one spirogram is analysed, how should it be chosen? Are the results likely to be influenced by prior...

Journal: :مرتع و آبخیزداری 0
علی اذره دانشجوی دکتری بیابان زدایی، دانشکدة منابع طبیعی، دانشگاه تهران غلامرضا زهتابیان استاد دانشکدة منابع طبیعی، دانشگاه تهران علی اکبر نظری سامانی دانشیار دانشکدة منابع طبیعی، دانشگاه تهران حسن خسروی استادیار دانشکدة منابع طبیعی، دانشگاه تهران

in management, the monitoring means systematic collection and storage of data from activities and strategies that provide assessment and report about the overall condition of the study area. in this research, among different existing methods, imdpa model was selected for monitoring desertification in garmsar plain. based on the study area two criteria including agriculture and water were select...

اله قلی پور, مهرزاد , ربیعی, بابک , سمیع زاده لاهیجانی, حبیب الله, قربانی, حمیدرضا,

One of the most important purpose in breeding program is increasing grain yield per hectare. Using selection indices is the most effective methods of selection for simultaneous improvement of grain yield and related traits, which often have a quantitative inheritance. In this study, 29 rice genotypes (9 parents and 20 progenies) were evaluated. The numbers of filled grains in panicle and panicl...

Journal: :international journal of nano dimension 0
z. yaghoubi industrial engineering faculty, islamic azad university, south tehran branch, tehran, iran. k. motevalli applied chemistry department, basic sciences faculty ,islamic azad university, south tehran branch, tehran, iran.

nanoparticles classified in 4 overall groups containing: metallic nanoparticles, ceramic nanoparticles, polymeric nanoparticles and semiconductor nanoparticles. these nanoparticles are used in some biomedical applications such as carrying medicine and photographing agents. with attention to different criteria which are both qualitative and quantitative, selecting the most suitable nanoparticles...

Journal: :European heart journal 2000
M St John Sutton

AIMS Left ventricular diastolic dysfunction has been proposed as the basis of heart failure in patients with normal left ventricular systolic function. Doppler indices of mitral inflow have been widely used to diagnose this condition and have been shown to correlate well with increased left atrial pressure in patients with cardiovascular disease. We wanted to establish age-specific criteria for...

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