نتایج جستجو برای: most parts of iran like golestan province
تعداد نتایج: 21231116 فیلتر نتایج به سال:
CONTEXT The hepatitis B virus (HBV) is a major global public health problem, affecting more than 2 billion people worldwide. Accurate and updated data on HBV prevalence is important for further planning to control the infection. The aim of this study was to update the prevalence estimate of HBV infection in the general population of Iran. EVIDENCE ACQUISITION A systematic review was done for ...
BACKGROUND Gastro-esophageal reflux disease (GERD) is the most common gastrointestinal disease in the west that has shown increasing incidence in Iran and Asian countries. The main presentations, described for GERD, are heartburn and acid regurgitation. METHODS In this cross-sectional study in 2006, all personnel of Golestan Medical University (Northeast of Iran) were enrolled. A questionnair...
insurers have in the past few decades faced longevity risks - the risk that annuitants survive more than expected - and therefore need a new approach to manage this new risk. in this dissertation we survey methods that hedge longevity risks. these methods use securitization to manage risk, so using modern financial and insurance pricing models, especially wang transform and actuarial concepts, ...
Anti-Hepatitis D Virus (HDV) among hepatitis B virus surface antigen (HBsAg) positive subjects has been reported from various countries such as Romania (1), Russia (2), Bangladesh (3), Pakistan (4), Saudi Arabia (5), Italy (6), and Mexico (7) with a prevalence of 83.3%, 12.5%, 24.4%, 16.6%, 8.6%, 8.3%, and 4%, respectively. According to studies carried out in Iran, HDV does not have a similar p...
all analytical methods are generally based on the measurement of a parameter or parameters which are somehow related to the concentration of the species.an ideal analytical method is one in which the concentration of a species can be measured to a high degree precision and accuracy and with a high sensitivity. unfortunately finding such a method is very difficult or sometimes even impossible.in...
target tracking is the tracking of an object in an image sequence. target tracking in image sequence consists of two different parts: 1- moving target detection 2- tracking of moving target. in some of the tracking algorithms these two parts are combined as a single algorithm. the main goal in this thesis is to provide a new framework for effective tracking of different kinds of moving target...
در این تحقیق 17 گونه جلبک از شالیزارهای استان گلستان شناسایی گردید. فلور جلبکی از 5 ایستگاه در شالیزارهای مورد مطالعه طی پائیز 1386 تا تابستان 1387 انتخاب شد. lyngbya perelegans lemm,. l. rubida fremy, l. laxespiralis skuja, l. sordida gomont, l. putealis mont. ex gomont, l. dendrobia bruhl & biswas, l. scotii fritsch, l. polysiphoniae fremy, l. erugineo–coerulea gomont, l. cryptovaginata...
the skill of reading in english as a foreign language is an important and challenging one which is affected both by linguistic and extra linguistic factors. since vocabularies are part and parcel of every reading comprehension text, knowing enough vocabulary always facilitates this process. however, guessing strategy as one of the most important strategies has consistently ignored by language l...
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