نتایج جستجو برای: role of water
تعداد نتایج: 21250483 فیلتر نتایج به سال:
One of the problems in analyzing hydro-political relations in the system of international rivers is that the same factors can create a wide range of conflict or cooperation, and even an identical variable may play a different role in relation to other variables in each coastal country; Therefore, the recognition of the variables and the role that each variable has in developing a pattern of ana...
Agricultural sector taking into account its role in GNP (11%), employment opportunities (23%) and food provision (over 80%) performs a critical role in Iranian economy. Water resources are being considered as a very prominent factor with respect to agricultural sector. This study aims to investigate effective indicators regarding agriculture development as well as water management in Tabriz pla...
Role Based Access Control (RBAC) refers to a class of security mechanisms that mediate access to resources through organizational identities called roles. A number of models have been published [1, 2 ,3] that formally describe the basic properties of RBAC. One feature of these models is the notion of a role hierarchy, which represents the relationship among roles that are defined in terms of ot...
In order to study the effect of bacterial growth on water use efficiency of alfalfa, a greenhouse experiment, as factorial based on completely randomized blocks design with three replications, was conducted at Faculty of Agriculture, University of Mohaghegh Ardabili, Ardabil, Iran, in 2012. Treatments consisted of 3 levels of water stress (75, 55 and 35% of field capacity) and seed inoculation ...
reminding function (of innate knowledge) is one of the most important nonindependentfunctions of revelation. prophets and saints of god have employeddifferent approaches for realizing this function and duty of revelation.revealed texts, offering explanatory role (explaining the innate covenant, itscontent and characteristics), educational role (teaching religion, prayer andworship), motivationa...
although some 3d slope stability algorithms have been proposed in recent three decades, still role of pore pressures in three dimensional slope stability analyses and considering the effects of pore water pressure in 3d slope stability studies needs to be investigated. in this paper, a limit analysis formulation for investigation of role of the pore water pressure in three dimensional slope sta...
various industrial processes with a huge variety of products, materials and compounds create different kinds of pollution for human beings, so that the identification of environmental pollutants resulting from industrial units’ activities, especially in water resources seems necessary. the aim of this paper is to estimate the role of industrial units in contaminating water resources, through us...
abstract water is a vital resource for every biological and human phenomena. nowadays, water management and conservation has a great importance not only in developing countries, but also in developed countries. in traditional economics, water is not taken into consideration as a factor of production in the national accounts. nevertheless in reality, water is the primary input of many goods and ...
groundwater quality characteristics are affected by lithology and geological structure of aquifer formations. this research has studied the groundwater chemical quality of the upper aji-chai basin with regard to different geological formations. using pie and piper diagrams, the researchers analyzed hydro-chemical elements of 47 sample groundwater resources. after determining water type of sampl...
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