نتایج جستجو برای: drastic method
تعداد نتایج: 1639165 فیلتر نتایج به سال:
Modern systems must be adaptable | to changing requirements, bug-xes, new technologies and reconnguration. For critical applications this must be possible at run-time; for complex applications it should be limitable to major subdivisions of the system. The DRASTIC architecture addresses these goals by exploiting object persistence and distributed systems implementation techniques. It enables ru...
Nowadays the study of regional groundwater resources, because of draught ,their optimal exploitation,and reducing their pollution is a vital matter. A proper way to prevent the pollution of undergroundwaters is to locate vulnerable spots and to conduct an efficient exploitation of the ground. Using thepresent models is very essential to locate and study about vulnerable spots. For this study, G...
Background and Objective: Rainfall and groundwater level are important parameters of DRASTIC index, thus their time-series were examined using time series analysis for Mahidasht plain vulnerability in Kermanshah Province. Materials and Methods: DRASTIC model is a quantitative model that seven parameters for transfer of pollution are considered including depth of water table, net recharge, aqui...
با توجه به افزایش جمعیت و توسعۀ فعالیتهای کشاورزی و معدنی در دشت ورزقان که سبب افزایش مقادیر نیترات تا پنج برابر استاندارد سازمان بهداشت جهانی (WHO) شده، ارزیابی آسیبپذیری و حفاظت از منابع آب زیرزمینی در این منطقه اهمیت زیادی دارد. در این پژوهش، آسیبپذیری آبخوان چندگانۀ دشت ورزقان در برابر آلودگی به کمک روش DRASTIC در محیط ArcGIS بررسی شده و بهینهسازی روش DRASTIC با استفاده از مدل ANN صورت ...
1-introduction one of the problems that is important in the waste management is the topic of waste rural landfill site selection and latex resulting from that in rural areas. the latex can be because groundwater pollution the contamination vulnerability and groundwater protection assessment has proved to be an effective tool for the delineation of protection zones in area affected by groundwate...
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