نتایج جستجو برای: including dredging reservoirs by traditional methods
تعداد نتایج: 8145675 فیلتر نتایج به سال:
nowadays, technical terminology translation plays an important role in human life. specific groups of people all over the world refer to learn these terminologies in order to be familiar with a subject and improve their knowledge in that domain. on the other hand, saving the technical translation equivalent is a particularly salient challenge for technical translators. the present study was con...
building on previous studies on intellectual features and learners’ grammar learning, the present study aimed at investigating whether intelligence criterion had any impact on efl learners’ english grammar learning across two intelligence levels. in the current study, the participants were divided into two experimental and control groups by administration of raven i.q. test. this led to the for...
abstract lexical knowledge of complex english words is an important part of language skills and crucial for fluent language use (nation, 2001). the present study, thus, was an attempt to assess the role of morphological decomposition awareness as a vocabulary learning strategy on learners’ productive and receptive recall and recognition of complex english words. so 90 sophomores (female and ma...
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...
The U.S. Army Corps of Engineers (USACE) performs routine maintenance dredging of federal navigation channels. Prior to dredging, an evaluation of the dredged material may be needed to determine the best management alternative. A dredging evaluation involves chemical and biological analysis to determine the potential impacts of the dredged material in both the water column during placement and ...
This paper presents a new technique for computing the eeective permeability on a coarse scale. It is assumed that the permeability is given at a ne scale and that it is necessary to reduce the number of blocks in the reservoir model. Traditional upscaling methods depend on local boundary conditions. It is well known that this approach often leads to ill-posed problems. We propose to compute a c...
After construction of a dam across a river, sediments settle behind the dam. It is important for dam designers to estimate the rate and distribution of sediments in the reservoir. In this study, the accuracy of area-increment and area-reduction empirical methods to predict the sediment distribution of Dez, Dorudzan and Shahid Abbaspour reservoirs is evaluated. The last measurement of sediment i...
در این پایان نامه که بر اساس مقاله m.a. ruiz, d. stojanoff, some properties of frames of subspaces obtained by operator theory methods, j. math. anal. appl. 343 (2008) 366-378. تنظیم شده است، روابط بین عملگر ها ، پایه های متعامد یکه زیرفضاها و قاب های زیر فضابرای یک فضای هیلبرت جدایی پذیر بررسی می شود. شرایط کافی را روی پایه متعامد زیرفضاهای e = {ei}i?i در فضای هیلبرت h و عملگر پوشای t ? l...
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...
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