نتایج جستجو برای: rivers and other natural resources

تعداد نتایج: 16930682  

Journal: :SSRN Electronic Journal 2009

1998
Chrysanthus Chukwuma

Environmental Management and Health 9/4 [1998] 153–159 © MCB University Press [ISSN 0956-6163] Attempts to examine the principles which lead to the exploration procedures to obviate environmental and natural resource degradation. The present and future state of water resources in both developed and developing countries are inextricably linked to the general behaviour of the economy and politica...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده ادبیات و زبانهای خارجی 1390

abstract this research is about a longitudinal case study of english morpheme acquisition by a persian speaking child l2 learner of english (2 .9-3).the goal of this research has been discovery of the child ‘s ability in acquiring of english morphemes in a persian context while only one person (the child’ s father)has been talking to her.this child has also been exposed to english languag...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه مازندران - دانشکده علوم انسانی 1390

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...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده زبانهای خارجی 1393

the purpose of this study was to examine the english language needs of medical students at tehran university of medical sciences . analysis of the needs took place for three groups: 320 undergraduate students, 30 postgraduate students and 20 university instructors. a triangulation approach to collect data was used in which a combination of the quantitative (using the questionnaires) and qualita...

Journal: :caspian journal of enviromental sciences 0

rivers are important water resources for human life, but sometimes cause irreparable damages. the flood plains are fertile terrains which are endangered by flood. flood hazard mapping is one of the basic methods in flood fighting. in order to decline flood damages, the simulation of the hydraulic behavior of the rivers during flood occurrence is very important. in this study, areas that are flo...

Journal: :پژوهش های جغرافیای طبیعی 0
حسین ناصری صومعه دانشجوی دکتری باستان شناسی دانشکدة ادبیات و علوم انسانی دانشگاه تربیت مدرس کمال الدین نیکنامی استاد تمام و مدیر گروه باستان شناسی دانشکدة ادبیات و علوم انسانی دانشگاه تهران

the analysis of the role of natural factors in spatial distribution of archaeological sites, during the chalcolithic period in bostanabad, azerbaijan when it comes to the ancient settlement patterns and how to set in a region, the role of environment and its infrastructure in a geographical landscape will be highlighted. distribution of population and human settlements in a geographical area, h...

2005
Muhammad Mizanur Rahaman Olli Varis

This paper analyzes the evolution of the concept of Integrated Water Resources Management (IWRM) at international conferences over the past three decades and addresses the prospects of IWRM in resolving the current water crisis. It also identifies seven crucial challenges to implementing IWRM. Our rivers and aquifers are the life-blood of the planet. To achieve sustainable development, we must ...

ژورنال: اکوبیولوژی تالاب 2022
Echresh , Ehsan, Saadat , Shervin,

Phenolic compounds, such as phenol, are found to be significant in agricultural and industrial wastewater, especially in petroleum and petrochemical industries. Since these industries make up a large share of foreign exchange earnings, we have ignored from the huge contamination of them. we produces a large amount of wastewater from these industries and dispossessed them without proper purifica...

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