نتایج جستجو برای: the reconnaissance drought index in 6

تعداد نتایج: 21360044  

پایان نامه :0 1371

in order to examine the ecological conditions and characteristics of fraxinus excelsior l. in the northern forests of iran 6 main areas as well as some miscellaneous ones , have been selected in the region respectively in : lomir2, shafaroud , park - e-noor , ahlam , alandan and noor.

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده علوم پزشکی 1389

introduction: diabetes mellitus is an growing national and international public health concern. the number of people affected by diabetes in world by 2030 will be 69% in developing countries. regular physical activity plays a key role in the management of type 2 diabetes melitus, particularly glycemic control. it has been recommended that peoples with type 2 diabetes participate in moderate-int...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان 1390

a one dimensional dynamic model for a riser reactor in a fluidized bed catalytic cracking unit (fccu) for gasoil feed has been developed in two distinct conditions, one for industrial fccu and another for fccu using various frequencies of microwave energy spaced at the height of the riser reactor (fccu-mw). in addition, in order to increase the accuracy of component and bulk diffusion, instanta...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی 1388

this dissertation has six chapter and tree appendices. chapter 1 introduces the thesis proposal including description of problem, key questions, hypothesis, backgrounds and review of literature, research objectives, methodology and theoretical concepts (key terms) taken the literature and facilitate an understanding of national security, national interest and turkish- israeli relations concepts...

Journal: :اکو هیدرولوژی 0
محمدحسین جهانگیر استادیار گروه انرژی‏های نو و محیط زیست، دانشکدۀ علوم و فنون نوین، دانشگاه تهران میمنه خوش مشربان دانشجوی کارشناسی ‏ارشد رشتۀ مهندسی طبیعت، دانشکدۀ علوم و فنون نوین، دانشگاه تهران حسین یوسفی استادیار گروه انرژی‏های نو و محیط زیست، دانشکدۀ علوم و فنون نوین، دانشگاه تهران

drought is the one of the repeating phenomenon in all areas with high rainfall and low rainfall climates and is known as a natural disaster. iran is one of the countries those involved with this phenomenon in different parts of it especially in river basins. tehran province due to its importance in terms of social and political faced with growing population that it would contributes to the redu...

Journal: :Environmental Systems Research 2021

Abstract Background Below-normal availability of water for a considerable period time induces occurrence drought. This paper investigates the Spatio-temporal characteristics meteorological drought under changing climate. The climate change was analyzed using delta based statistical downscaling approach RCP 4.5 and 8.5 in R software packages. assessed Reconnaissance Drought Index (RDI). Results ...

   Drought defined as a climatic phenomenon with the humidity and rainfall shortage as compared with normal conditions. This phenomenon affects on all of aspects of human activities‌, severely. while, studies associated with this phenomenon on the basis of appropriate methods are very low. In the  present study, effort  has been made to analyze the drought state in Ardabil province by means of...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده ادبیات و علوم انسانی دکتر علی شریعتی 1392

just as motivation is important in sla research, demotivation constitutes an important factor, too. there are many studies done on demotivation and burnout of teachers. many of these studies have been conducted on one or two aspects of english instruction. consequently, there are few studies which have been done on more than two aspects of english teaching. the aim of this study is to find out ...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد شاهرود - دانشکده مهندسی شیمی 1389

on this project we try to calculated power of hydrogen on dycarbonil compound in different ways ; the first way is shoster way , for sain power of hydrogen notice the different power between central conforms on it and main conform that’s didn’t have hydrogen joint . or in other way different of energy between open and close form. second way, is average way? this is for way that studied conf...

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