نتایج جستجو برای: water utilization management

تعداد نتایج: 1468177  

Journal: :Ecological applications : a publication of the Ecological Society of America 2011
Jason P Field David D Breshears Jeffrey J Whicker Chris B Zou

Rangelands are globally extensive, provide fundamental ecosystem services, and are tightly coupled human-ecological systems. Rangeland sustainability depends largely on the implementation and utilization of various grazing and burning practices optimized to protect against soil erosion and transport. In many cases, however, land management practices lead to increased soil erosion and sediment f...

Journal: :international journal of environmental research 2010
f.a. ansari a.k. gupta m. yunus

management of solid waste (flyash) has attained an apparent scenario for scientific & strategic concern in india due to large-scale dependence on coal-based thermal power plants. waste utilization as the best option of pollution-prevention and disaster risk strategy has been worked out during previous decades to open doors for flyash utilization on various sectors of developmental and manuf...

ژورنال: علوم آب و خاک 2014
خنامانی, علی, دودانگه, اسماعیل , سلطانی, سعید, سلیمانی , فرشاد, کریمزاده, حمیدرضا,

Underground water resources considered as a major source of fresh water. Increasing need to water in Iran, causing to immensely utilization and ground water balance disorder, so that state of ground water in many of area is negative.The purpose of this study is to investigate the trend of changes in some of the characteristics of groundwater during the period 1374 to 1387 is Segzi plain. For...

بصیری, مهدی , ولی, عباسعلی ,

Artemisia is the major component of the vegetation of a large portion of arid lands in Iran. Determining the utilization rate is an essential element in the management of these rangelands. Methods of determining the utilization regime for woody plants and shrubs include clipping and weighing, reference unit, ocular estimate, twig length, branch diameter and production index. These methods were ...

Journal: :E3S web of conferences 2021

Yannan Coal Mine in Dayan Mining Area creatively utilizes water-preserving mining technology to block abandoned roadways build underground reservoirs and sedimentation tanks. It implements a zoned utilization management optimization technical plan for mine water, so that it can meet the needs of working face production surface domestic water use. This comprehensively recycles conservation makes...

With the increasing installed capacity of desalination, the greenhouse gas emission for generating the required energy to power the desalination plants is also becoming the focus of attention in the world community. Domestic reverse osmosis membranes have been very successful technology especially in the developing world to provide safe drinking water. The novel concept of photovoltaic powered ...

Journal: :international journal of supply and operations management 2015
nsikan efiok john john joseph etim tommy uduak ime

this study examines inventory management practices of flour milling manufacturing firms and their effects on operational performance. five flour milling manufacturing firms in lagos were used for this study. structured questionnaire was the major instrument for the collection of relevant primary data while descriptive statistics such as mean and standard deviation was deployed to analyzing the ...

ژورنال: علوم آب و خاک 2000
بصیری, مهدی , ولی, عباسعلی ,

Artemisia is the major component of the vegetation of a large portion of arid lands in Iran. Determining the utilization rate is an essential element in the management of these rangelands. Methods of determining the utilization regime for woody plants and shrubs include clipping and weighing, reference unit, ocular estimate, twig length, branch diameter and production index. These methods wer...

Journal: :پژوهش آب در کشاورزی 0

plant performance and freshness is related to the pattern of its root growth development, which is highly affected by the water amount and water use management. therefore, the spatiotemporal variation of maize root under five treatments including full irrigation treatment (fi), partial root-zone drying treatments at two levels (receiving 75% of et =prd75, and 55% of et= prd55) and deficit irrig...

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