نتایج جستجو برای: out in 2010
تعداد نتایج: 17040699 فیلتر نتایج به سال:
The genus Trechosiella Jeannel, 1960 (Carabidae: Trechinae) is revised. In addition to the known species T. laetula (Péringuey, 1898), T. scotti (Jeannel, 1937), T. basilewskyi Jeannel, 1960 and T. katicola Jeannel, 1964, T. endroedyyoungai spec. nov., T. oligophthalma spec. nov. and T. scotti swartbergensis subspec. nov. are newly described. Trechosiella laetulaperingueyi (Jeannel, 1926) is re...
We introduce an approach to revealing the likelihood of different population histories that utilizes an explicit model of sequence evolution for the DNA segment under study. Based on a phylogenetic tree reconstruction method we show that a Tamura-Nei model with heterogeneous mutation rates is a fair description of the evolutionary process of the hypervariable region I of the mitochondrial DNA f...
background: allergic diseases including asthma, allergic rhinitis (ar) and eczema are common chronic diseases in children. the purpose of this study was to determine the prevalence of asthma, ar and eczema in sari, iran. methods: this study was carried out on all elementary schools selected as a cluster from february 2010 to july 2010 in sari, north of iran. a questionnaire was provided accordi...
a large number of single research studies on the effects of strategy-based instruction (sbi) in teaching english as a foreign or second language has been conducted so far. however, the lack of a comprehensive meta-analysis targeting the effectiveness of english language sbi is observed. moreover, the findings of experimental studies regarding the context of the english language, proficiency lev...
abstract cooperative learning refers to small groups of learners working together as a team to solve a problem, complete a task, or accomplish a common goal. in a cooperative environment one’s success is directly related to the success of other members because the focus on the individual shifts towards the group. to test the effectiveness of the method, using jigsaw technique, a study was cond...
Background: Allergic diseases including asthma, allergic rhinitis (AR) and eczema are common chronic diseases in children. The purpose of this study was to determine the prevalence of asthma, AR and eczema in Sari, Iran. Methods: This study was carried out on all elementary schools selected as a cluster from February 2010 to July 2010 in Sari, North of Iran. A questionnaire was provided accordi...
6] Daniel B. Karron. The \spiderweb" algorithm for surface construction in noisy volume data. The pattern of density readings created by the two curves in gure 11 are identical. Thus one cannot distinguish a double surface crossing (or any even number of crossings) between two adjacent sampling points from no crossing at all. The key point here is that there is no reason to interpolate an addit...
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Drought is a natural hazard that has significant impact on economic, agricultural, environmental, and social aspects. In the present study details analysis of rainfall data has been carried out for the years 1981-2011. Standard precipitation index (SPI) has been used to evaluate the precipitation deficit in the Karun watershed of Iran. The results indicated that 1981-82,82-83,83-84,84-85,88-89,...
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