نتایج جستجو برای: separate from satisfying environmental standards and requirements
تعداد نتایج: 17640032 فیلتر نتایج به سال:
Background & Aims of the Study: The Horizontal roughing filters (HRF) are generally formed with three layers. The size of the course at the beginning of the flow path is large and at the end is small. This kind of layering increases absorption capacity while the solids entering the bed–depth gradually separate because of the decline in the holes’ diameters. This stu...
introduction: when there is no determined value for water (as a public asset) by its trustees and beneficiaries and its allocation method is more dependent on the requirements of water consumers than comparing water affairs benefits with its real value, decision making on which interested group, when and to what extent can use water is a game. this study is aimed to determine sustainable polici...
it is not possible to understand developments of a country’s culture and civilization without knowing his believes and myths. whether it is north or south, east or west, planes or mountains, sahara or deserts, here in iran every corner includes valuable and precious treasures which are known all over the world, and cultural – historical objects which are found here adorn all well known museums...
Governmental environmental protection is often implemented by specifying a standard value of pollution, measured or actual, not to be exceeded. We consider the standard for ozone in the United States, interpreting it using a hypothesis testing framework, and show (in a simplified setting) how a statistician could implement this standard. This implementation is contrasted to the implementation b...
abstract the current study set out to address the issue as to whether the implementation of portfolio assessment would give rise to iranian pre-intermediate efl learner autonomy. participants comprised 60 female in pre-intermediate level within the age range of 16-28.they were selected from among 90 language learners based on their scores on language proficiency test -key english test. then, t...
Towards The NexT GeNeraTioN of CorporaTe eNviroNmeNTal maNaGemeNT iNformaTioN sysTems: whaT is There aNd whaT is missiNG? Today, environmental issues are frequently dealt with at corporate management level. The roots of this relatively new development can be traced back to the late 1980s. At that time, companies felt increasing pressure from international politics to internalize their impacts o...
Towards The NexT GeNeraTioN of CorporaTe eNviroNmeNTal maNaGemeNT iNformaTioN sysTems: whaT is There aNd whaT is missiNG? Today, environmental issues are frequently dealt with at corporate management level. The roots of this relatively new development can be traced back to the late 1980s. At that time, companies felt increasing pressure from international politics to internalize their impacts o...
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...
since esp received universal attention to smooth the path for academic studies and productions, a great deal of research and studies have been directed towards this area. swales’ (1990) model of ra introduction move analysis has served a pioneering role of guiding many relevant studies and has proven to be productive in terms of helpful guidelines that are the outcome of voluminous productions ...
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