نتایج جستجو برای: water system management
تعداد نتایج: 3334288 فیلتر نتایج به سال:
a long-term field experiment was conducted for 7 years to evaluate the effect of different amendments to mitigate the adverse effect of saline-sodic water in a calcareous soil under cotton-wheat cropping system. the pooled results over 7 years revealed that the application of saline-sodic water decreased the mean cotton-seed yield by 20.7% as compared to good quality canal water. however, wheat...
gol-e-gohar iron ore mine of sirjan in southern part of iran is a large open pit that operates below the groundwater table and during mining operation, dewatering is required to prevent operation processes from flooding. current operation is going on by digging wells in or out of the pit and pumping to prevent flooding. as a result of the former dewatering operation a vast deep cone of depressi...
در سال های اخیر کشور ما شاهد پیشرفت های زیادی در موضوع کنترل و مدیریت منابع آب بوده و همزمان در جهان توسعه یافته با درک ارزش واقعی آب تحولات بسیار شگرفی در امر توسعه سیستم های اطلاعات مدیریت منابع آب و عمومی نمودن این مدیریت با مشارکت عموم مردم و انجمن های مسئول غیر دولتی در حال تکوین است. در این پایان نامه ابتدا بر اساس تحقیقات و تجربه فردی تحلیل چگونگی مدیریت انسان بر منابع آب در عرصه های تار...
background: provision of safe drinking water is one of the basic needs of every society and it will only be possible through preventive and comprehensive management of drinking water security programs such as haccp. hazard analysis critical control point (haccp) is an internationally accepted process control system which includes recognition and determination of risk factor properties of proces...
limitation of water resources in the earth has turned it as a valuable economic commodity. accordingly, the agricultural sector of which according to studies has the largest wasted water should be managed. therefore, it is advisable to use the application of methods and programming models such as the decision support system along with the abilities of gis in order to management of the water res...
A smart water management system basically refers to a created collect information on the distribution, pressure, and flow of in city or town. Our principal objective is improve current for managing meeting needs urban areas. goals include areas' while [1] ensuring sustainability security, developing rainwater harvesting nearby treatment facility additional use, mechanism identify source leaks s...
Introduction: Hospitals are one of the main water consumers in urbane area. Due to lack of enough information, the challenges and some of the solutions were investigated for optimization of water management. Materials and Methods: This study was a cross-sectional study in a Shiraz educational hospital. Data were collected by questionnaires with 146 items. The items was classified in several st...
abstract water is a vital resource for every biological and human phenomena. nowadays, water management and conservation has a great importance not only in developing countries, but also in developed countries. in traditional economics, water is not taken into consideration as a factor of production in the national accounts. nevertheless in reality, water is the primary input of many goods and ...
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