نتایج جستجو برای: efficient water usage

تعداد نتایج: 1052291  

Journal: :Indian Journal of Science and Technology 2016

Journal: :DEStech Transactions on Environment, Energy and Earth Science 2016

Journal: :journal of agricultural science and technology 2010
m. zibaei gh. r. soltani m. bakhshoodeh

conjunctive use of ground and surface water can increase reliability of the water supply by providing independent sources. in this study, corrected utility-efficient pro-gramming that allows for more than one seasonal irrigation depth for each crop was used to determine the amount of utility maximizing investment in the well capacity for conjunctive use. results showed that optimum investment a...

حیدری , محمدرضا, ملکوتیان , محمد,

Background and purpose: Hard water causes many problems in domestic and industrial usage. There are various techniques for removal of water hardness each with its own special advantages and disadvantages. The purpose of this study was to compare Polyaluminum Silicate Çhloride (PÂSÏD) method and Ëlectrocoagulation (ËÇ) Process in removing hardness from drinking water. Materials and methods:...

Journal: :The Journal of the Korea Contents Association 2010

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان - دانشکده برق و کامپیوتر 1392

abstract nowadaysphotovoltaic solar cells (pvs) areacknowledged the fastest growing energy technology in the word, however, they only account for only fraction of current global renewable energy capacity. it isrecognized that this incomplete market penetration has been largely a result of the technology’sexcessive cost. so researchers are trying to find innovative, economic way with theaim of ...

Journal: :Journal of the Korea Safety Management and Science 2013

2015
Minami Okamoto Minoru Sato Yoshihiko Shodai Masayoshi Kamijo

This research was conducted with the goal of clarifying the required conditions of water-saving showerheads. In order to this, the research analyzes the mutual relationship between water usage flow, the level of satisfaction and the physical properties of spray of showerheads. The physical properties of spray were measured using physical properties test apparatus of standard or scheme for water...

Journal: :Irrigation & Drainage Systems Engineering 2013

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید