نتایج جستجو برای: water meter

تعداد نتایج: 574040  

Journal: :مهندسی سازه 0
مرتضی غفاری

this pump could be used to irrigate the regions where ground water level is close to land surface and thire is enough wind energy in the region. since advanced pumps are costly, this pump is designed only to send up water one meter high with the flow of one.inexperimental fluid mechanics laboratory of orrsay france amodel of this pump was conducted. results show that the pump could be manufactu...

Mohammad Kavoosi Kalashami Morteza Tahami Pour

Economic valuation of water is useful in the administration and management of water. Population growth and urbanization caused municipal water demand increase in Iran. Limited water resource supply and urban water network capacity raised complexity in water resources management. Present condition suggests using economic value of water as a criterion for allocating policies and feasibility study...

Journal: :Sigma Journal of Engineering and Natural Sciences 2021

The aim of this study is to determine the priority areas in meter replacement or rehabilitation by using an integrated methodology combining AHP and ELECTRE I methods reduce non-revenue water. For this, a total 7 criteria such as Water Consumption Rate, Mean Meter Age, Faulty Ratio, Region Population Customer Loyalty Percentage, Average Operating Pressure Calibrated Age were considered. method ...

Journal: :زراعت دیم ایران 0
علیرضا توکلی مرکز تحقیقات کشاورزی و منابع طبیعی استان سمنان ( شاهرود ) عبدالمجید لیاقت دانشگاه تهران امین علیزاده دانشگاه فردوسی مشهد

low cereal and legumes yields and their rwp index are mainly due to poor distribution of rainfall and poor agronomic management practices. rainfed barley yield and rain water productivity (rwp, defined as rainfed grain yield divided by the total crop season annual rainfall water) in the dry farming are considerable by topography and latitude. yield data, rainfall, altitude and latitude of 182 p...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - پژوهشکده مهندسی فرایند 1395

abstract: mineral scaling in oil and gas production equipment is one of the most important problem that occurs while water injection and it has been recognized to be a major operational problem. the incompatibility between injected and formation waters may result in inorganic scale precipitation in the equipment and reservoir and then reduction of oil production rate and water injection rate. ...

Journal: :پژوهش های زراعی ایران 0

in order to investigate the indices of drought tolerance, correlation coefficient and path analysis at deficit irrigation and nitrogen experiment, this experiment was conducted as split plot arranged in a randomized complete block design (rcbd) with three replications during 2000-2003 for wheat at maragheh agricultural research station of dari. the treatments were included four levels of defici...

Journal: :Dental materials journal 2012
Mio Mukumoto Tomoko Ohshima Miwa Ozaki Hirokazu Konishi Nobuko Maeda Yoshiki Nakamura

Orthodontic appliances often cause oral diseases such as dental caries and gingivitis due to the attachment of an oral biofilm. However, there are few reliable methods to remove the biofilm from the orthodontic appliances. The aim of this study was to investigate the effects of microbubbled water on the removal of biofilms made with Streptococcus mutans or Candida albicans on orthodontic applia...

Journal: :Journal of nuclear medicine technology 1997
E Garcia-Peña J Caravalho J W Watkins E S Leifer

UNLABELLED The purpose of this study was to determine the orogastric transit time of standard 131I capsules and the incidence of transit delay. METHODS We studied 58 consecutive subjects receiving outpatient diagnostic and therapeutic 131I dosages. A standard ion chamber survey meter, placed over the left upper quadrant of the abdomen, monitored orogastric transit. Each subject had ample wate...

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