نتایج جستجو برای: taking to account animal population density
تعداد نتایج: 10911789 فیلتر نتایج به سال:
T HIS an REPORT presents the first results investigation into the effects of of 1. population size on the adrenal glands, and on the reproductive function of mammals. The present study is restricted to mice in confined populations of fixed sizes. This study was prompted by the suggestion that stress was produced in the individuals of a mammalian population in proportion to the population densit...
the geopolitics of afghanistan after september 11, 2001, and its impact on iranian national security
abstract u.s. attack to afghanistan after 9/11 provided opportunities for us who tried to become the dominant power after collapse of ussr and bipolar world. thinkers like fukuyama believed american liberal democrats thought would be universally accepted without resistances. liberal democracy is the best and final model of governance; in this regard, united state has moral responsibilities for...
BACKGROUND Several authors, most prominently Jared Diamond (1997, Guns, Germs and Steel), have investigated biogeographic determinants of human history and civilization. The timing of the transition to an agricultural lifestyle, associated with steep population growth and consequent societal change, has been suggested to be affected by the availability of suitable organisms for domestication. T...
In recent years, the majority of developed countries have invested in high-density developments as a solution to social sustainability, whereas in developing countries, dense urban areas are created largely with an economic justification and with the goal of accommodating a larger population in one place. Density is an objective/quantitative indicator of the compactness of dwelling units and of...
abstract this study examines the relationship between reading anxiety and difficulty of texts as well as the relationship between reading anxiety and students perceived difficulty of the texts. since difficulty is a relative concept, i limited its definition by sticking to the readability formula. we also took students perceived difficulty levels into account. therefore, in the present study, ...
among the low–dimensional allotropes of carbon, nanotubes and graphene have attracted very much attention from nano–science and nanotechnology specialists. they have been proposed as building blocks in nanometer device engineering. however, these structures are not defect–free. in this thesis, we focused on defective carbon nanotubes and graphene, and studied the effect of couple of very common...
chapter i provides an overview of structural linguistics and touches upon the saussurean dichotomies with the final goal of exploring their relevance to the stylistic studies of literature. to provide evidence for the singificance of the study, chapter ii deals with the controversial issue of linguistics and literature, and presents opposing views which, at the same time, have been central to t...
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