نتایج جستجو برای: geological maps and field studies
تعداد نتایج: 17080938 فیلتر نتایج به سال:
1 , M. Humayun 1 , D. Burnett 2 , and A. J. G. Jurewicz 3 , 1 National High Magnetic Field Laboratory & Dept. of Geological Sciences, Florida State University, 1800 E. Paul Dirac Dr., Tallahassee, FL 32310, [email protected], 2 Division of Geological and Planetary Sciences, California Institute of Technology, Pasadena, CA 91125, 3 Center for Meteorite Studies, Arizona State University, Tempe...
previous studies have aimed at testing a hypothesis but the present study is data-first research in which researcher tries to form a theory from data rather than the use of data to test a hypothesis. this study aims at exploring teachers perceptions of the strengths and weaknesses of the current syllabus for college preparatory course. eight experienced teachers were selected to collect data du...
just as motivation is important in sla research, demotivation constitutes an important factor, too. there are many studies done on demotivation and burnout of teachers. many of these studies have been conducted on one or two aspects of english instruction. consequently, there are few studies which have been done on more than two aspects of english teaching. the aim of this study is to find out ...
[1] We show that the spatial coherency of the ambient seismic field can be used for attenuation tomography in the western United States. We evaluate the real portion of the spatial coherency with an elastic geometric spreading term (a Bessel function) and a distance dependent decay (an attenuation coefficient). In order to invert the spatial coherency, a weight stack inversion technique is appl...
this dissertation has six chapter and tree appendices. chapter 1 introduces the thesis proposal including description of problem, key questions, hypothesis, backgrounds and review of literature, research objectives, methodology and theoretical concepts (key terms) taken the literature and facilitate an understanding of national security, national interest and turkish- israeli relations concepts...
Study area is Cheshme-Ali Damghan, one of the main watersheds of Haj-Ali-Gholi subcatchment located in central drainage basin of Iran. Research was carried out via generating needed informative themes, detecting location of water samples and overlaying and interpreting themes. The effect of geological formations on water quality was analyzed after geometric overlaying of themes and assessing wa...
Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use. The MIT Faculty has made this article openly available. Please share how this access benefits you. Your story matters. [1] Maxwell's equations can be used to demonstrate that the components of a static magnetic field in a region of sp...
structural evolution of alborz has already been mentioned by many researchers all over the world. central alborz is located in the bending of the eastern and the western alborz. damavand volcano is situated in the bending part along the great and active faults such as mosha, north of baijan, ask, nava and ira. the nava and ira faults are in the eastern side of damavand volcano with a trend of e...
the volume and surface area of the coast is a function of basin water levels. recognizing the factors of coastal geomorphologic changes could have a pivotal role in planning and managing the coast. effective factors in the formation and evolution of geomorphologic factors such as geological, tectonic, paleoclimatic, paleoclimatic and sea level changes have been considered in this study and the ...
abstract chickpea is weak in competition of weeds that damages to it at between 40 t0 60 percent. kermanshah province is one of the most important region for chickpea fields in iran. for these reosons, weed management is necessary in this crop. in order to evaluate of herbicides and stubble control on broad leave weeds control in chickpea. experiment was conducted in agricultural research stat...
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