نتایج جستجو برای: the planet will face severe environmental crises ruttan 1993

تعداد نتایج: 16191679  

Journal: :محیط شناسی 0
ابراهیم انواری دانشگاه شهید چمران سمانه باقری دانشگاه چمران اهواز احمد صلاح منش دانشگاه چمران

air pollution is one of the major issues is the use of fossil fuels. air pollution in different ways harmful effects of long-term, short-term, devastating and sometimes irreversible in humans, animals and plants life. air pollution leads to increased heart disease, breathing, decreased vision, warming, acidification, etc. one of the problems of air pollution. air pollution threatens the surviva...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه ارومیه - پژوهشکده ادبیات 1393

testing plays a vital role in any language teaching program. it allows teachers and stakeholders, including program administrators, parents, admissions officers and prospective employers to be assured that the learners are progressing according to an accepted standard (douglas, 2010). the problems currently facing language testers have both practical and theoretical implications but the first i...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده مدیریت 1391

one of the most important factors in study of project’s , is the study of environmental opportunities factors the permanent study of environmental opportunity factors . the study of permanent environmental changing and knowing golden threats’ cooperate with possible threats and at the result in structure forming and future skeleton of organization has a vital effects . the petrochemical industr...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز - دانشکده کشاورزی 1394

with the increasing population and the need for more food, as well as with the development of science and technology, human approach to unnatural and often chemical inputs to increase agricultural production has been a great expansion and problems such as increased cancers, chronic diseases has created environmental pollution. implementation of organic organic is a solution to these problems . ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید باهنر کرمان - دانشکده ریاضی و کامپیوتر 1389

the concepts of similarity and dissimilarity have been the interest of many researchers. basically, in the studies the similarity between two objects or phenomena, has been discussed. in this thesis, we consider the case when the resemblance or similarity among three objects or phenomena of a set, 3-similarity in our terminology, is desired. later we will extend our definitions and propos...

Journal: :Environmental Health Perspectives 1993
K Olden

Welcome to the first issue of the new Environmental Health Perspectives: it looks a lot different from the original journal, but the tradition of dedication to good science remains unchanged. We have published 100 volumes of EHP and this, volume 101, is a new beginning. We have changed formats and provided new ones to accommodate the numerous varieties and forms that scientific information can ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده برق و کامپیوتر 1390

one of the most important goals for increasing recognition and treatment revenue is transmitting vital data to medical care team, more quickly. nowadays, use of new technologies for transmitting data will deploy more and more daily. in this article, for transmitting electrocardiogram, first we code the signal into a suite of codes, then we will use bluetooth technology to transmit data from off...

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

this thesis aims at putting together two of the vestest areas of study there is in humanities: bioethics and literature. the two novels in question, oryx and crake and the year of the flood, are considered as some of the most succssful examples of spculative fiction. in these novels the biological and environmental issues raised as looked at from a bioethics point of view.

1993
G. CSORDAS G. Csordas

∗ Received November 24, 1993. Accepted for publication December 13, 1993. Communicated by A. Ruttan. Corrected June 29, 1994. The original manuscript is stored in vol.1.1993/pp104111.dir/pp104-111orig.ps † Department of Mathematics, University of Hawaii, Honolulu, HI 96822, USA. (e-mail: [email protected]). ‡ AT&T Bell Labs, 2C-355, Murray Hill, NJ 07974, USA. (e-mail: amo@research....

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه ولی عصر (عج) - رفسنجان - دانشکده ریاضی و کامپیوتر 1389

in this thesis we will present three topics. we define approximate fixed points in fuzzy normed spaces. also we obtain some necessary and sufficient conditions on the existence of? -fixed points for ? > 0. at the continue some results about approximate fixed points for a class of non-expansive maps on g-metric spaces are obtained and we define approximate fixed points in partial metric spa...

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