نتایج جستجو برای: water cost

تعداد نتایج: 921425  

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

flow in natural river bends is a complex and turbulent phenomenon which affects the scour and sedimentations and causes an irregular bed topography on the bed. for the reason, the flow hydralics and the parameters which affect the flow to be studied and understand. in this study the effect of bed and wall roughness using the software fluent discussed in a sharp 90-degree flume bend with 40.3cm ...

2017
Arthur Caplan

This paper examines how water quality trading interacts with nonpoint-source abatement cost sharing (e.g., as currently practiced by the National Resource Conservation Service through its Environmental Quality Incentives Program (EQIP)) to promote the participation of nonpoint sources in a water quality market; participation that has thus far been noticeably lacking nationwide. As such, an idea...

Akbar Mehdizadeh, Fariba Abbasi, Mohammad Reza Samaei,

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...

E. Zare M.J. Bahrani S. A. Kazemeini S. Sarikhani Khorrami

Adoption of conservative agriculture at farm level is associated with reducing the production costs and leads to crop yield stability. The aim of this study was to prioritize experimental treatments based on different criteria by applying "technique for order preference by similarity to ideal solution" (TOPSIS).A filed experiment was carried out at Zarghan research station, Fars province, Iran,...

2016
Anisha I. Patel Anna H. Grummon Karla E. Hampton Ariana Oliva Charles E. McCulloch Claire D. Brindis

INTRODUCTION US legislation requires that schools offer free drinking water where meals are served. However, little information is available about what types of water delivery systems schools should install to meet such requirements. The study objective was to examine the efficacy and cost of 2 water delivery systems (water dispensers and bottleless water coolers) in increasing students' luncht...

Journal: :gas processing 0
bahram ghorbani mechanical engineering faculty, energy conversion group, kntoosi university of technology, tehran, iran mohammad-hossein hamedi mechanical engineering faculty, energy conversion group, kntoosi university of technology, tehran, iran majid amidpour mechanical engineering faculty, energy system group, kntoosi university of technology, tehran, iran

natural gas is often associated with nitrogen and heavy compounds. the heavy components in the natural gas not only can feed downstream units, owing to the low temperature process may be formed solid as well. therefore, heavy components separation can be a necessity and produce useful products. virtually, all natural gases are containing nitrogen ​​that would lower the heating value of natural ...

Journal: :تحقیقات مهندسی کشاورزی 0
نادر نادری عضو هیئت علمی بخش تحقیقات فنی و مهندسی مرکز تحقیقات کشاورزی و منابع طبیعی سمنان (شاهرود) علیرضا محمدی عضو هیئت علمی بخش تحقیقات اصلاح و تهیه نهال و بذر مرکز تحقیقات کشاورزی سمنان (شاهرود)

this research was conducted at the shahrood agricultural research center in 1382 and 1383 to study the effect of alternate furrow irrigation on potato yield and its economic evaluation. the experimental design was a randomize complete block design and the treatments were: every furrow irrigation (efi), fixed alternate furrow irrigation (fafi), variable alternate furrow irrigation (vafi), fixed ...

Journal: :journal of rangeland science 2013
ali ariapour moslem hadidi kolsoum karami fazel amiri

water resources suitability is one of the most important factors to sustainabilityutilization of natural potential by rangeland grazing suitability. to determine this factor inshort time, low cost and high accuracy are most challenges of experts and ranchers. usingsuitable technique for this subject can be sustainable utilization comprising from rangelandecosystems according to its degradation ...

2012
A Malik A Yasar AB Tabinda M Abubakar

BACKGROUND Almost one third of the global population is living in developing South Asia where disease occurrence is high especially in rural areas and people are unaware of water-borne diseases and cost of illness. METHODS The quantitative approach involved questionnaire based study (n=50 households). The community awareness, the occurrence of water-borne diseases with related cost of illness...

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