نتایج جستجو برای: water distribution system

تعداد نتایج: 3171825  

Journal: :Multidiszciplináris tudományok 2021

Journal: :International Journal of Advanced Research in Electrical, Electronics and Instrumentation Engineering 2015

Journal: :Nucleation and Atmospheric Aerosols 2023

Drinking, cooking, and many other activities need the use of water on a daily basis; however, large amount is lost in enterprises public utilities. In light this, we came up with plan to cut down waste. Our goal automate delivery, detect theft, avoid waste, determine pH TDS values using PLC-controlled system. The level can be determined by utilizing laser based liquid Sensor. leakage detected v...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه یاسوج - دانشکده علوم 1391

in this investigation the effect of external field on the electron density of nanostructures of cds, cdse, cdte, gaas and polymeric structure of three, four, five and six units of cds as a kind of nanosolar cells has been studied theoretically. as modeling this system in nanodimension, molecular structures has used. specific properties of molecular structures permit us to consider different sym...

پایان نامه :0 1391

employees always concern about losing their job , or in other word , losing their income resources. for this purpose, every government requires strong system for covering these concerns. the unemployment insurance (ui) program’s can be used for achieving this goal. in this thesis, we price ui based on the insurance history of employee and the duration of being unemployed. we use the weibull dis...

Journal: :آب و توسعه پایدار 0
محمد کریمی محمد جلینی

evaluation of any irrigation system consists of analyzing the measurable performance of the system in real conditions as well as during the normal operation of the farm. irrigation evaluation is a management tool that allows the system manager to make the best use of what is available. unfortunately, in most regions of iran, after the implementation of irrigation systems their performance is no...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید بهشتی 1387

چکیده ندارد.

مجلسی, منیره, رضازاده آذری, منصور, لیلی, مصطفی, مسعودی نژاد , محمد رضا , یزدانبخش, احمد رضا,

Background and purpose: Chloroform is a disinfection byproducts (DBPs) that results from reactions between residual chlorine and organic compounds as precursors. The presence of these DBPs in chlorinated drinking water can pose a severe public health threat including potential carcinogenicity. In this study chloroform concentrations as an indicator of DBPs of chlorinated water was evaluated in ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه ارومیه - دانشکده کشاورزی 1387

چکیده ندارد.

Journal: :Journal of Water Resources Planning and Management 1989

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