نتایج جستجو برای: 751 rials per household in average
تعداد نتایج: 17013678 فیلتر نتایج به سال:
in recent decades, tourism has been considered as a way to decreasing tensions of urban life. this study tried to determine the effective factors in visitors' willingness to pay for asiab kharabeh fall by using tobit model. data set were obtained by completing questionnaires and interviewing with 125 individuals who visit the fall. according to the results 69.6 percent of visitors were rea...
an epidemiological study was carried out to determine the prevalence rate and significant cost benefit of various helminthes ( gastro-intestinal) disease in cattle and buffalo population in two industrial husbandries in north and south provinces of iran before and after treatment with oxyclozanide. results show out of 450 fecal samples examined. 205 (37.96%) were found infected with oeso...
sewage stabilization pond is recommended as one of the economical methods for sewage treatment particularly in dry areas of the world and those places which are in shortage of water and income deficit, this method can be used for treatment of sewage in rural areas, small towns and even large cities. sewage stabilization pond system does not require technical equipment and specialists, and efflu...
In the present study, due to the high cost of smart metering, the electricity load data of Tehran is decomposed to identify the energy consumption pattern and the energy-saving potentials of households. The present study identifies household consumption in times of low, medium and peak load. To identify the household load curve, the aggregated hourly load data is decomposed and its components a...
Due to the lack of adequate sources of drinking water and uncertainty about the quality of these sources, along with rising water demand due to population growth, it is important to find a suitable solution to supply drinking water. Rainwater harvesting from roofs and use of natural discharge from springs are among techniques which can replace surface and underground water resources. The city o...
Background and Aim: Firms are always looking for a way to increase the profitability of products or services. Therefore, the determination of cost of services to achieve this goal seems necessary. Aiming to clarify such costs in governmental units, the present study was designed to explain the allocation of costs based on each unit’s activities. Materials and Methods: This was a descriptive stu...
Goat warble-fly infestation is caused by przhevalskiana silenus (Diptra Oestridae) larvae and it is characterized by the presence of warble under the hide of the back and flanks of the animal. This study was carried out from March 2009 to March 2010 on the hides sent to the khorasn leather industries for grading, processing and tanning. This study demonstrated from 340,797 goat hides e...
Background: Thalassemia is a series of hemoglobinopathies in which the production of perfect hemoglobin is completely or partially suppressed. Using injectable iron chelators have been dominating treatment for the iron overload caused by recurrent blood transfusions in thalassemic patients, however, a new oral iron chelating drug (Exjade) have been recently introduced and might be cost effec...
Recognition of byproducts and their exploiting economic evaluation is one of basic requirements in documenting prospect of rangelands utilization. In this regard, the present study was performed to estimate the economic indices of exploiting byproducts production in Varnasa rangelands, Naghadeh, Iran. For this purpose, the economic data for calculating economic indices were collected after samp...
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