نتایج جستجو برای: in each region
تعداد نتایج: 17044843 فیلتر نتایج به سال:
abstract: about 60% of total premium of insurance industry is pertained?to life policies in the world; while the life insurance total premium in iran is less than 6% of total premium in insurance industry in 2008 (sigma, no 3/2009). among the reasons that discourage the life insurance industry is the problem of adverse selection. adverse selection theory describes a situation where the inf...
characteristics of precipitation and the regionalization major role in the efficient use of water resources and soil and management of environmental hazards. regionalization of rainfall can help to better use of water resources and to correct manage of environmental hazards. according to the analysis of climate phenomena such as precipitation, all data should be related to a homogeneous region,...
One of the key principles in rangeland management is determination of suitable times for exploitation and grazing of rangeland plants in summer and winter pasturelands. This determination of time not only prevents degradation of plant species, but also leads to optimal usage of plant yield. Multiple factors affect plant phenology among which temperature regime has the highest effect on plant de...
Several studies have been performed to evaluate the desertification in Iran andother countries which led to present national and regional models. One of them is IMDPAmodel. This model was used as a case study in Taraz Nahid, Saveh, Iran. In this study, fivefactors including climate, soil, vegetation, irrigation, and socioeconomic ones wereevaluated. According to the region conditions for each c...
this work is presented in five parts. in the first part preparation of the starting complex [pt(c^n)cl(dmso)], 1, in which c^n = n(1),c(2?)-chelated, deprotonated 2-phenylpyridine, and dmso = dimethylsulfoxide, and its reaction with 1 equiv of the biphosphine ligands bis(diphenylphosphino)amine, dppa, or bis(diphenylphosphino)methane, dppm, to give the complex [pt(c^n)cl(dppa)], 2, or [pt(c^n)c...
Nowadays, the accumulation of paper in the life of business professional is overwhelming. Digital documents on the other hand being less expensive and more efficient are on the road to a more organized office. Also crucial for many business applications document image analysis is needed before OCR operation. Segmentation of document images into text and non-text regions is essential because OCR...
brucellosis is a major public health concern in iranian city of jiroft. the aim of the present study was to investigate brucellosis is one the most important contagions diseases which both human 9 animals suher from. and achieve ways to prevent or reduce its prevalence in jiroft aoty in sautheust iran localed in kerman province this disease, a sample of 1000 cows were surveyed in the region. fi...
increase of influence and dominance over independent republics of central assia and caucasus in order to utilize the natural overflowing sources of this region is in immense strategy of america in future. therefore, by expanding nato into this region america is trying to decrease the influence of russia in these republics and in the meantime fulfilling the above purpose and also to prevent the ...
vocabulary as a major component of language learning has been the object of numerous studies each of which has its own contribution to the field. finding the best way of learning the words deeply and extensively is the common objective of most of those studies. however, one effective way for achieving this goal is somehow neglected in the field. using a variety of activities such as games can r...
methodology non-native participants in this study were sixty ba students majoring in english literature and teaching english as a foreign language at khayyam university of mashhad. they were senior students, between 21 to 24 years old, who had studied english for at least three and a half years and had passed several courses including grammar, reading, conversation, and writing. this was assum...
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