نتایج جستجو برای: first agenda of biodiversity convention

تعداد نتایج: 21220136  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده علوم ریاضی و مهندسی کامپیوتر 1392

heuristics are often used to provide solutions for flow shop scheduling problems.the performance of a heuristic is usually judged by comparing solutions and run times on test cases.this investigation proposes an analytical alternative ,called asymptotic convergence ,which tests the convergence of the heuristic to a lower bound as problem size grows. the test is a stronger variation of worst cas...

1999
Vernon Heywood

" Biodiversity is a non-detachable part of the concept of sustainability. ... biodiversity is essential for agricultural production, as agriculture should be for biodiversity conservation. " Brazilian Government proposal to SBSTTA of the CBD, Second Meeting Montreal 2–6 September 1996 Although the context of this paper is a " World Biodiversity Update, " any attempt at such would be presumptuou...

2002
Valérie Boisvert Armelle Caron

Biodiversity came out as a global issue from the mid 1980s, under the pressure of converging forces: the threatening increase in species extinction and the changes in the theory as well as in the practice of nature conservation, but also the expansion of genetic engineering and the intrusion of industrial interests into areas from which they had been hitherto excluded. These elements have parti...

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

abstract in first part of this project, the use of a new and biguanid-like catalyst supported on silica as a recyclable catalyst provides a new route for the synthesis of a variety of arylalkylidene rhodanine derivatives through knoevenagle reaction in at present of solvent at room temperature. rhodanine derivatives and especially arylalkylidene rhodanines have proven to be attractive compound...

2014
Kevin Woods Caroline Bond

In 2014, the 25th anniversary of the United Nations Convention on the Rights of the Child presents an opportunity for school psychology to evaluate its achievements relevant to the Convention, as well as its current and future strategic adherence to the Convention’s principles. With analysis of key school psychology documentation from the UK, it is shown that for school psychologists the achiev...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده ادبیات 1390

in the name of allah , the compassionate the merciful abstract shath ( blasphemic utterace made during spiritual ) is a complicated concept that deserves reflection in gnosticism and sufism ( mysticism ) and estem and westem scholars have alwaya paid attention to it. although principal essence of gnostic belief is the holy divine law ,gnosticism has pure and unique thoughts . by glancing at t...

Journal: :محیط زیست طبیعی 0
فاطمه رسولی نسب دانشجوی کارشناسی ارشد، رشتۀ منابع طبیعی ـ محیط زیست، دانشگاه تهران بهمن جباریان امیری استادیار دانشکدۀ منابع طبیعی ـ گروه محیط زیست، دانشگاه تهران محمد کابلی دانشیار دانشکدۀ منابع طبیعی ـ گروه محیط زیست، دانشگاه تهران افشین دانه کار دانشیار دانشکدۀ منابع طبیعی ـ گروه محیط زیست، دانشگاه تهران

human activities due to implementation of projects has caused significant concerns on biodiversity in human societies. hence, assessing the environmental impacts of those projects has been considered as a tool to help environmental managers to prevent emergence of those adverse impacts in general and those impacts which are related to biodiversity, in particular. it is provided that all compone...

2002
Michelle L. Campbell Vernon G. Thomas

Introduction The protection of biodiversity has become an important national and international issue within the past decade (see Noss and Cooperrider 1994 for a discussion of the reasons, which range from intrinsic to aesthetic). Canada, along with over 150 other countries, ratified the 1992 Convention on Biological Diversity (CBD 1992), and is obliged to implement the provisions of the convent...

پایان نامه :0 1374

in fact, this study focused on the following questions: 1. is there any difference between the effect of functional/notional approach and the structural approaches to language teaching on the proficiency test of efl learners? 2. can a rather innovative language test referred to as "functional test" ge devised so so to measure the proficiency test of efl learners, and thus be as much reliable an...

Journal: :Urban Ecosystems 2021

In order to adopt a strategic model which aims mitigate the environmental pressures exerted by process of unbridled urbanization, Convention on Biological Diversity (CBD), an international agreement that permeates its conservation, sustainable use resources and equitable sharing resources, approved in 2010 creation City Biodiversity Index (CBI), political-legal instrument assess management prog...

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