نتایج جستجو برای: 2010 and future periods 2015
تعداد نتایج: 16924870 فیلتر نتایج به سال:
The Qilian Mountains (QMs), located in the northeast part of Qinghai–Tibetan Plateau China, have a fragile ecological environment, complex and sensitive climate, diverse land-cover types. It plays an important role “Qinghai–Tibetan Ecological Barrier” “Northern Sand Control Belt” China’s “two screens three belts” security strategy. Based on land use data 1980, 1990, 1995, 2000, 2005, 2010, 2015...
Evaluation of climate change and its possible consequences on hydrological processes in catchment will help to the challenges of water resources managers and decision makers in the future. One of the common tools for evaluating of this event is utilization of rainfall-runoff model to simulate the hydrological process. The aim of this study is to investigate effects of climate change on runoff a...
background and objectives: the large contribution of hospitals to the function and expenditures of the healthsector makes their constant monitoring and evaluation inevitable to improve the overall performance of the health system. built on that, the present study aimed to evaluate the trend of performance of hospitals affiliated with the public hospitals (in guilan province, iran) affiliated wi...
this study examined the effects of collaborative strategic reading and direct instruction in persuasion on iranian high school students persuasive writing and attitudes. students in three intact classes were assigned to one of three treatment conditions: collaborative strategic reading and direct instruction in persuasion or direct instruction in persuasion or a control group. treatment effects...
BACKGROUND Human T-lymphotropic virus type 1 (HTLV-1) has been discovered in 1980 and has been linked to tropical spastic paraparesis (HAM/TSP) in 1985 in Martinique. There is no data on HAM/TSP incidence trends. We report, in the present work, the temporal trends incidence of HAM/TSP in Martinique over 25 years. METHODS Martinique is a Caribbean French West Indies island deserved by a unique...
Agricultural land resources have been the central issue for Chinese government in its attempts to secure food and agricultural sustainability. Yet strict use control does not protect from erosion by urban expansion. Identifying specific patterns mechanisms of conversion, thus, is critical management related decision making. Based on annual nominal 30 m use/land cover datasets (called CLUD-A), t...
abstract nowadays, the science of decision making has been paid to more attention due to the complexity of the problems of suppliers selection. as known, one of the efficient tools in economic and human resources development is the extension of communication networks in developing countries. so, the proper selection of suppliers of tc equipments is of concern very much. in this study, a ...
the purpose of the present study was to see which one of the two instruction-processing instruction (pi) and meaningful output based instruction (mobi) accompanied with prompt and recast- is more effective on efl learners’ writing accuracy. in order to homogenize the participants in term of language proficiency a preliminary english test (pet) was administrated between 74 intermediate students ...
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