نتایج جستجو برای: years statistical period (1992
تعداد نتایج: 1705073 فیلتر نتایج به سال:
drought is transient phenomenon , slow , repetitive and integral part of the climate of each region. drought begins with a substantial reduction in precipitation over the long-term average rainfall and over time, reduced soil moisture and surface and ground water resources will continue to decrease. this phenomenon is the most important in bakhtegan basin because of its importance in strategic ...
abstract present research considered to examine and compare shahrray 14 years girls and boys narrative concerning with their responsibilities in this research, statistical society are 14 years girls and boys of shahrry . for performing this research. first, 14 years of 50 boys and 50 girls were selected in accidental method and have filled memati hormaled adolescents responsibility questioner...
1.1 The aim of this chapter of the report is to provide a comprehensive picture of the levels and trends in income inequality and poverty in Chile during the period 1987 to 1998. It uses six household survey micro-data sets – the Caracterización Socioeconómica Nacional (CASEN) for the years 1987, 1990, 1992, 1994, 1996 and 1998 – and applies a range of statistical techniques to estimate levels ...
Background and purpose: Due to the considerable increase in the environmental pollution, especially with oil, during the last 50 years, the international community and international organizations have made remarkable efforts to reduce this pollution. The result was regulating of at least 200 international conventions on environmental issues. The purpose of this study was to evaluate the oil pol...
This was a descriptive statistical study of 8,516 cases of American tegumentary leishmaniasis in the State of Acre, Brazil, from 2001 to 2006 (second period), comparing the results to a previous publication with data from the same State for 1992 to 1997 (first period). Prevalence in the State more than doubled (55.7/10,000 inhabitants from 1992 to 1997 and 128.5/10,000 inhabitants from 2001 to ...
Cannabis contains a unique class of compounds known as the cannabinoids. Pharmacologically, the principal psychoactive constituent is Δ9-tetrahydrocannabinol (THC). The amount of THC in conjunction with selected additional cannabinoid compounds (cannabidiol/CBD, cannabinol/CBN), determines the strength or potency of the cannabis product. Recently, reports have speculated over the change in the ...
بررسی تطبیقی بازده حاصل از کاربرد تحلیل های تکنیکال و روش خرید و نگهداری در بورس اوراق بهادار تهران چکیده در این پژوهش بازدهی حاصل از روش های تجزیه و تحلیل تکنیکی و روش خرید و نگهداری در فرض قابل پیش بینی بودن قیمت ها و عدم وجود شکل ضعیف فرضیه بازار کارا که توسط فاما در سال 791 مطرح گردیده است ، فعالیت میکند . در این مطالعه چهار روش از پر کاربردترین و معتبر ترین روش های تحلیل تکنیکی مورد بر...
abstract in this study, trends of threshold heavy precipitation were examined on the basis of measurements of 1437 stations (included synoptic, climatic and rain gage stations) in iran for the period of 40 years (1964-2003). for this purpose, the statistical method of nonparametric mann-kendall test is used for analyzinging the thresholds of heavy precipitation and nonparametric sen method for ...
Norplant is one of the most effective contraceptive divices with low failure rate and long effect, which has been used in governmental centers, since 1992. considering high costs of this program, this study was designed to specify norplant continiuation rate, the causes of discontiniuation and also its complications. This descriptive study was done by reviewing women using this method in Hospit...
INTRODUCTION The diseases caused by Leishmania are spread worldwide and represent a significant public health problem. OBJECTIVE The aim of this study was to present the results of epidemiological surveillance of leishmaniasis in humans in Montenegro in the period from 1992 to 2013. METHODS The study was planned and realized as a descriptive epidemiological study.The sample included patient...
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