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کنه¬های شکارگر زیر راسته پرواستیگمای مرتبط با عرصه¬های جنگلی و مرتعی منطقه الشتر طی سال¬های 1391-1392 مورد مطالعه قرار گرفت که در این برسی جمعاً 15 گونه متعلق به 11 جنس از 7 خانواده جمع-آوری و شناسایی شد. که یک خانواده برای اولین بار از ایران که با علامت(*) مشخص شد و 3 گونه برای اولین بار در دنیا شناسایی و توصیف شد. که با علامت(**) مشخص شد. لیست گونه¬ها در ذیل ذکر شده است family stigmaeidae: ge...
This report updates the mosquito species composition for Santa Rosa, Okaloosa, Walton, Holmes, Washington, Jackson, Calhoun, Liberty, Gadsden, Leon, Wakulla, Jefferson, Madison, and Taylor Counties, through collections made in a centralized surveillance program operated from 2002-2020 northwest Florida. 91 county records were documented. The most notable discoveries included finding Mansonia ti...
In this paper, we establish and analyze a traffic flow model which describes the formation and dynamics of traffic jams. It consists of a Pressureless Gas Dynamics system under a maximal constraint on the density and is derived through a singular limit of the Aw-Rascle model. From this analysis, we deduce the particular dynamical behaviour of clusters (or traffic jams), defined as intervals whe...
This paper demonstrates how a probabilistic criterion based on the full capacity outage probability distribution (e.g., LOLP) could be integrated into the unit commitment (UC) optimization using simple statistical approximation. While this provides a direct and computationally cheaper means as compared to a recently published approach to locating the globally optimal SR allocation (and associat...
iv abstract this study examined the linguistic behaviors of two iranian efl teachers each of them teaching learners of two similar proficiency levels, a beginner level and an intermediate level, to investigate the relationship between the learners proficiency levels and the amounts and purposes for l1 use by the two teachers. the study was carried out to investigate whether there were differe...
In the affine plane AG(2, q) the point (x, y) is incident with the line Y = mX + α if and only if α = −mx + y. Hence α is a root of R(T,m) of multiplicity k if and only if the line Y = mX + α is incident with k points of the set A. This observation allows one to look at a problem of the following type: Given a subset of points of the affine plane that has restricted intersection properties with...
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