نتایج جستجو برای: mohid water
تعداد نتایج: 550747 فیلتر نتایج به سال:
Waves have been found to modulate circulation, stratification, and sediment dynamics in several estuaries, mainly near the mouth. This study analyzes effects of waves on hydrodynamics, stratification process, salt wedge an estuary with a microtidal range, high fluvial discharges, dominated by waves: Magdalena River (MRE). It is, under low flow conditions, highly stratified, type. Field measurem...
cement is an essential ingredient in the concrete buildings. for production of cement considerable amount of fossil fuel and electrical energy is consumed. on the other hand for generating one tone of portland cement, nearly one ton of carbon dioxide is released. it shows that 7 percent of the total released carbon dioxide in the world relates to the cement industry. considering ecological issu...
پیشنهاد های زیادی توسط محققین برای کاهش انتشار دی اکسید کربن مطرح و اجرا شده است . یکی از بهترین روش ها، ذخیره سازی در ساختار های زمین شناختی زیر زمینی می باشد. ذخیره سازی وتزریق دی اکسید کربن در مخازن خالی نفت و گاز ، مخازن نفت و گاز برای eor و egr ،سفره های آب شور ، بستر های زغال سنگی و اقیانوس ها انجام می گیرد.کشور ایران دارای سازند های بزرگ نفتی و گازی می باشد.از این رو می توان از آن ها برا...
بهره گیری از روش های بهینه در طراحی شبکه های توزیع آب شهری در کشور ما هنوز کاملاً نو و برای کارشناسان این بخش عموماً ناشناخته است. اکثر طراحان انتخاب اقتصادی قطر لوله ها را امری وقت گیر، محدودکننده و پیچیده می دانند و برای طراحی بهینه فقط از سرعت مجاز آب و یا یک میزان افت اصطکاکی استفاده می کنند. در این تحقیق یک نمونه از شبکه آبرسانی فضای سبز شهری طراحی شده موجود، انتخاب شده و بعد از آنالیز هیدرو...
the history of plant’s used for mankind is as old as the start of humankind. initially, people used plants for their nutritional proposes but after the discovery of medicinal properties, this natural ?ora became a useful source of disease cure and health improvement across various human communities. berberis vulgaris is one of the medicinal plants used in iranian traditional medicine. berberis ...
aims: bottled water is widely used in many countries and more than 100 different brands of bottled water are produced in iran. the aim of the present research was to assess the chemical compound of some iranian brands of bottled water and compare them with the mention information on their labels. instrument & methods: this descriptive study was performed during march to december 2012 on the...
main perennial rivers of gujarat, tapi, narmada, mahi and sabarmatiare meeting arabian sea in gulf of khambhat. the out flow of mahi river intothe sea is decreased due to construction of dams like bajaj sagar, kadana, panamand wanakbori weir. so, tidal effect of sea and sea water intrusion is beingincreased on landward side. moreover, due to erratic nature of rainfall andimproper management of ...
background & aims of the study: drinking polluted water can transmit diseases, so potable water treatment is one of the most challenging and complex systems in countries. continuous monitoring for evaluation process in water treatment plant is important. this study aims to investigate performance evaluation of qom water treatment plant to remove turbidity and coliform in 2005 - 2014. materials ...
neurotoxicants present in water supply may affect human functions in terms of attention, response speed and perceptual motor speed. neurobehavioural performance can be influenced by gender, age and education levels. this study aims to assess the neurobehavioral performance of palm oil estate residents with private water supply in southern peninsular of malaysia.a total of 287 and 246 participan...
the water remains at the centre of livelihood from the beginning of human civilization. civilization enriched mostly on the fertile plains and river valleys. with times, people began migrating to highland slopes where there was easy access to water to use. two villages in mustang region of nepal were considered for research to drill the causes of conflicts on water sources right and water share...
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