نتایج جستجو برای: quality damage index

تعداد نتایج: 1319170  

Journal: :آب و خاک 0
حسین شهاب آرخازلو حجت امامی غلامحسین حق نیا علیرضا کریمی

abstract soil quality evaluation is an essential issue in soil management for agriculture and natural resource protection. soil quality indices are useful tools for determination and comparison of soils quality. using of principle component analysis in this study we selected 6 important properties as a soil quality minimum data set (mds) among 18 soil properties (tds). then, soil quality of agr...

Journal: :international journal of marine science and engineering 2012
a. mashinchian moradi h. mozdarani p. alidoust salimi m. alidoust salimi

malathion (s-(1, 2-dicarboethoxyethyl) o, o-dimethyl phosphorodithioate) is one of the organophosphate pesticides comprehensively used in agriculture fields throughout the world. in spite of widely used, little information are available about dna damage in aquatic organisms. therefore, the present study carried out to investigation of dna damage induced by malathion in cyprinus carpio (pisces: ...

Journal: :iranian journal of environmental sciences 0
ali rnjbar jafarabadi department of environment science, faculty of natural resources and marine sciences, tarbiat modares university of tehran, iran maliheh masoodi department of environment science, gorgan university of agricultural and natural resource, iran maryam sharifiniya department of fishery science, gilan university, iran alireza riyahi bakhtiyari department of environmental sciences, faculty of natural resources and marine sciences, tarbiat modares university, noor, mazandaran, iran

evaluation of surface water quality is a complex process undertakingmultiple parameters. converting great amount of parameters into a simpler expressionand enabling easy interpretation of data are the main purposes of water quality indices.the main aim of this study is to plan effective water resources management system forkarun river by combination of ccmewqi and geographic information system ...

Journal: :Revista Brasileira de Engenharia Agrícola e Ambiental 2016

Journal: :international journal of civil engineering 0
reza abbasnia department of civil engineering, iran university of science and technology, tehran, iran neda mirzadeh iran university of science and technology kamyar kildashti iran university of science and technology

in recent years, different damage indexes have been introduced in engineering literature. the most prominent one among other counterparts is the 1985 park and ang's damage index (dipa), which demonstrates well calibration against experimental results. hence, it has traditionally had broad application in the field of structural engineering. commonly, in dipa relevant parameters are assessed...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علم و صنعت ایران - دانشکده مهندسی عمران 1383

فرایند خسارت دیدن یک عضو، طبقه ای از سازه و یا کل آنرا می توان با یک عدد بین صفر و یک مرتبط نمود. آن عدد نشانه خسارت (damage index) نامیده می شود.شاخص های خسارت ممکن بصورت محلی (فقط برای یک عضو) یا کلی (برای کل سازه ) تعریف شوند. اکثر شاخص های محلی خسارت طبیعتا تجمعی می باشند که وابستگی خسارت به دامنه و تعداد نوسان های بارگذاری را منعکس می کنند. شاخص های خسارت می توانند در برنامه ریزی بلیا بر...

Journal: :iranian journal of environmental sciences 0
abderrezak krika department of environmental sciences and agronomic sciences, faculty of nature life and sciences, university of jijel bp 98 ouled aissa, jijel 18000, algeria fouad krika department of process engineering, faculty of technology, university of laghouat, bp 37g, laghouat 03000, algeria

djendjen river is one of the largest rivers in the region of jijel (algeria). human activities such as urban discharges, industrial, agricultural, and livestock have significant effects on the quality of water. the present study attempts to evaluate the quality of water along the banks of the djendjen river at different sampling sites, using physico-chemical and bacteriological methods. the col...

Journal: :international journal of marine science and engineering 2012
a. mashinchian moradi m. alidoustsalimi m. h. shahhosseini p. alidoustsalimi

butachlor (n-(butoxymethyl)-2-chloro-n-2, 6-diethylacetanillide) is widely used chloroacetanilide herbicide in asian region, especially in the north of iran. several studies have been reported on toxicity of butachlor, but little information is accessible on dna damaging potential. thus, the present study was undertaken to investigate of dna damage by butachlor in cyprinuscarpio(pisces: cyprini...

Journal: :international journal of civil engineering 0
kabir sadeghi girne, north cyprus, via mersin 10, turkey

an energy based damage index based on a new nonlinear finite element (fe) approach applicable to rc structures subjected to cyclic, earthquake or monotonic loading is proposed. the proposed method is based on the evaluation of nonlinear local degradation of materials and taking into account of the pseudo-plastic hinge produced in the critical sections of the structure. a computer program is dev...

Journal: :medical journal of islamic republic of iran 0
azizeh afkham-ebrahimi psychiatric institute.satarkhan, niayesh, next to shahid mansouri stسازمان اصلی تایید شده: دانشگاه علوم پزشکی ایران (iran university of medical sciences) maryam rasoulian psychiatry department. rasoul akram hospital .tehran-iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی ایران (iran university of medical sciences)سازمان های دیگر: rasoul akram hospital zahra taherifar psychiatric institute.satarkhan, niayesh, next to shahid mansouri stسازمان اصلی تایید شده: دانشگاه علوم پزشکی ایران (iran university of medical sciences) maryam zare spsychiatric institute.satarkhan, niayesh, next to shahid mansouri stسازمان اصلی تایید شده: دانشگاه علوم پزشکی ایران (iran university of medical sciences)

abstract   background: a significant relationship between psychiatric disorders principally depression and anxiety and insomnia is well-known in general population. ahigh percent of insomnia sufferers report anxiety symptoms. anxiety is also frequently seen in medical patients whom complaints of sleep problems are often prominent.   method: 250 outpatients with various medical complaints partic...

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