نتایج جستجو برای: current state of climate
تعداد نتایج: 21276203 فیلتر نتایج به سال:
Background: Nowadays, despite the fact that a variety of factors contributing to the progress in technology has made people get things done faster the speed and accuracy in accomplishing affairs, as a result of which, this progress has brought about mankind obtain new achievements, has caused some diseases and mental disorders and undermined relations and human values. Thus, the target of this ...
by using a model of development, called developmental state, which appeared during the history of development in east asia region, the current essay tries to present a review on possibility of iran’s transition to economic development. it is supposed that the ground is prepared for iran’s transition to development through effective state intervention in economy. unlimited access of iran to a ve...
Ample physical evidence shows that carbon dioxide (CO(2)) is the single most important climate-relevant greenhouse gas in Earth's atmosphere. This is because CO(2), like ozone, N(2)O, CH(4), and chlorofluorocarbons, does not condense and precipitate from the atmosphere at current climate temperatures, whereas water vapor can and does. Noncondensing greenhouse gases, which account for 25% of the...
Contents Preface Foreword Recent highlights On the role of cirrus clouds in climate 11 Pathways in the ocean 19 Monitoring of tropical processes relevant to climate change 29 Current projects Preface • In 2001 the Intergovernmental Panel on Climate Change (ipcc) published its Third Assessment Report (tar). It was concluded that " There is new and stronger evidence that most of the warming obser...
with considering of acceleration of changes, competitive environment and uncertainty in today world make knowledge as the most strategic resource for maintain and reinforcement of competitive advantage and effective management of knowledge is the most serious challenge of organizations. knowledge management is important to achieve competitive advantage. knowledge management transforms latent pr...
Background and objectives: Climate change has been a serious issue in the last two decades and many studies have focused on its various aspects. Therefore, it is necessary to determine the future habitat of rangeland species present and future years, under climate warning models. In this regard, it should be investigated whether the increase in temperature will have a positive effect on the pre...
www.frontiersinecology.org I derived from a species’ range is central to the science of ecology. Current patterns of species and physiological trait distributions contain important information about plant functional relationships to climate and other environmental controls (Cody and Mooney 1978; Davis 1986; Bonan and Sirois 1992; Kearney and Porter 2009; Rödder et al. 2011). In a foundational p...
the following question poped up: is there any relationship between iranian high school efl learners reading comprehension and listening comprehension? then the following null hypothesis (ho) was developed to the test the above, mentioned question. "there is no relationship between high school efl learners reading comprehension and listening comprehension. for nearly 16 weeks, the experimental g...
Background: Changing the climatic pattern can lead to major changes in the geographical distribution of infectious diseases. The aim of this study was to investigate the effect of climate change on the favorable bio-climatological zone for leishmaniasis sand-fly living which is a vector of Leishmania in Iran. Materials and Methods: Data of the climatic factors affecting the biology of sandflies...
Climate change may pose challenges to the conservation of plant species such as the Fritillaria imperialis that have narrow geographical distribution. In this study, the modeling suitable habitats of F.imperialis in Iran was done in the current condition and under climate change (2050). For this purpose, 78 species presence data along with 12 environmental variables including bioclimatic, physi...
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