نتایج جستجو برای: by environmental pressures analysis

تعداد نتایج: 8635662  

2013
Claudia Ghisetti

This paper contributes to the debate on the inducement of environmental innovations by analysing the extent to which endogenous inducement mechanisms spur the generation of greener technologies in contexts characterized by weak exogenous inducement pressures. In the presence of a fragile environmental regulatory framework, inducement can indeed be endogenous and environmental innovations may be...

Armin Taheri Nakhost, seyed Reza Shadizadeh

The narrow operating window between pore pressure and fracture pressure makes drilling difficult in some operations. A feasibility study of managed pressure drilling (MPD) is carried out on Iran Darquain oil field. The previous wells drilled in this field showed that mud returns were lost during drilling Gadvan formation. The present work addresses this problem by means of surface back pressure...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه گیلان - دانشکده فنی 1393

asymmetric membranes are widely used in many industrial membrane separation processes. the major advantage of membrane filtration over the conventional process is its ability to remove a wider spectrum of particles without using any chemicals. hollow fiber configuration offer many advantages over flat-sheet or tubular membranes. the spinning process of hollow fiber may look simple, yet it is te...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده ادبیات و علوم انسانی 1391

abstract: one of the most visited & important spaces in different countries by tourist are urban areas. the old tehran which major part is located in district 12 is historical showcase of the capital, but, its hiidden cultural attraction is not used as it should be. this thesis occasionally engage in studying the efficacy of correct installation of travel guide boards in welfare & easily acc...

Journal: :annals of military and health science research 0
محمدحسین لشگری mohammad hossein lashkari department of surgery, aja university of medical sciences, tehran, iran.دانشگاه علوم پزشکی آجا مهدی نویدبخش mehdi navidbakhsh school of mechanical engineering, iran university of science and technology, tehran, iran.دانشگاه علم و صنعت ایران کامبیز کنگرلو kambiz kangarlou postdoctoral researcher, school of mechanical engineering, iran university of science and technology, tehran, iran.دانشگاه علم و صنعت ایران

purpose: in recent years high explosive bomb attacks have been increasingly directed against   civil structures by various terrorist organizations. this paper describes a numerical method for   assessing the interaction of high explosive air blast within the complex geometrical type of a   congested urban environment.   materials and methods: the first step in predicting blast effects on a targ...

Journal: :Journal of Environmental Chemistry 1995

2008
M. Sànchez-Marrè J. Béjar K. D. Karatzas J. Lee

Urban environmental information (EI) is related to knowledge concerning the status, the pressures and the consequences of environmental quality parameters to human life and the urban surroundings. One of the most important aspects in the life cycle of EI is knowledge generation and flow, data management and information dissemination between ICT systems and environmental actors, players, or inte...

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