نتایج جستجو برای: economic value of water
تعداد نتایج: 21270441 فیلتر نتایج به سال:
one of the most important factors in study of project’s , is the study of environmental opportunities factors the permanent study of environmental opportunity factors . the study of permanent environmental changing and knowing golden threats’ cooperate with possible threats and at the result in structure forming and future skeleton of organization has a vital effects . the petrochemical industr...
having conducted the experiment and analysed the data, the researcher computed the groups mean scores and variances for the test relating to the research question. as the final atep, a t-test was conodonted for the hypothesis. as noted earlier, the significance level was determined at .05 and .01 respectively. the observed t-value was higher than the critical t-value at. 5 and .01 levels. conse...
چکیده روش های متعددی برای برآورد رواناب حاصل از بارش در حوضه های آبریز وجود دارد. یکی از این روش ها استفاده از مدل های هیدرولوژیکی است. با استفاده از مدل های هیدرولوژیکی و شبیه سازی فرآیندهای هیدرولوژیکی می توان با صرف کمترین زمان و هزینه، رواناب و مولفه های دیگر چرخ? هیدرولوژیکی را برآورد کرد. از آنجا که در حوضه های آبریز اندازه گیری تمام کمیت های مورد نیاز برای تحلیل رواناب ممکن نیست، انتخاب...
In recent years, many countries, especially after the increase in population and agricultural land, suffered from a freshwater shortage. This research obtained positive role of using biotransformation processes to treat contaminated water reuse it agriculture. The results indicated that bioremediation wastewater by "bacterial consortium” has effect on reducing some biological non-biological pol...
Corrosion and scaling in drinking water sources can lead to economic and health damages. These processes produce by-products in distribution systems, reduce chemical water quality, and are the cause of health issues among consumers. The aim of this study was to evaluate the corrosion and scaling potential of water supply sources of Marivan villages, Iran. In total, 106 water samples were collec...
Economic Value Added, or EVA is one of the popular tools that bankers can use to measure the financial performance of their bank. EVA helps management to conduct internal goal-setting. The long-term goal is preferred than short-term implications. It measures the company’s financial performance based on the residual wealth calculated by deducting its cost of capital from its operating profit, ad...
one of the most important questions in islamic banking system is about the best method for calculating the interest rate of loans and deposits. this paper compares two methods : time- value method and economic value- added method and tries to answer this question that, based on the information gathered from the financial statements of a sample of the accepted firms in the iranian exchange marke...
Water is a critical issue in China for a variety of reasons. China is poor of water resources with 2,300 m(3) of per capita availability, which is less than 13 of the world average. This is exacerbated by regional differences; e.g. North China's water availability is only about 271 m(3) of per capita value, which is only 125 of the world's average. Furthermore, pollution contributes to water sc...
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