نتایج جستجو برای: in acquisition phase

تعداد نتایج: 17080634  

2007
L. Petrov

A model of VLBI observables includes eeects of geometry, environment of signal propagation and delays in the data acquisition system itself. Imperfection of the model of instrumental eeects can be a considerable source of errors in the estimates of the targeted parameters. Two eeects: spurious signals in phase calibration and instrumental polarization are considered in details. Methods of their...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه لرستان - دانشکده علوم پایه 1389

abstract part one: the electrode oxidation potentials of a series of eighteen n-hydroxy compounds in aqueous solution were calculated based on a proper thermodynamic cycle. the dft method at the level of b3lyp-6-31g(d,p) was used to calculate the gas-phase free energy differences ,and the polarizable continuum model (pcm) was applied to describe the solvent and its interaction with n-hydroxy ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده علوم انسانی 1389

rivers and runoff have always been of interest to human beings. in order to make use of the proper water resources, human societies, industrial and agricultural centers, etc. have usually been established near rivers. as the time goes on, these societies developed, and therefore water resources were extracted more and more. consequently, conditions of water quality of the rivers experienced rap...

پایان نامه :وزارت علوم، تحقیقات و فناوری - پژوهشگاه دانشهای بنیادی (مرکز تحقیقات فیزیک نظری و 1387

we show that when both sources ( lepton flavor violation sources and cp-violating phases) are present, the electric dipole moment of the electron, $d_e$, receives a contribution from the phase of the trilinear $a$-term of staus, $phi_{a_ au}$. for $phi_{a_ au}=pi/2$, the value of $d_e$, depending on the ratios of the lfv mass elements, can range between zero and three orders of magnitude a...

Journal: :رشد و یادگیری حرکتی - ورزشی 0
فرناز ترابی دکتری تخصصی رفتار حرکتی دانشگاه تهران محمود شیخ دانشیار دانشگاه تهران الهه عرب عامری استادیار دانشگاه تهران رسول حمایت طلب استادیار دانشگاه تهران فضل الله باقرزاده دانشیار دانشگاه تهران

the aim of this study was to compare the effect of audience and music on learning and performance of basketball free throw. subjects were 36 healthy non-athlete girls (age: 22.8±1.59 years, height: 163.1± 5.63 cm and weight: 54.5±7.06) who were randomly divided into three groups of audience (n=12), music (n=12) and control (n=12). protocol of acquisition phase included basketball free throw for...

Journal: :رشد و یادگیری حرکتی - ورزشی 0
ربابه رستمی استادیار دانشگاه شیراز غلام حسین ناظم زادگان استادیار دانشگاه شیراز سوسن جباری استادیار دانشگاه شیراز

although many researches have investigated the benefits of music in sport, few researches have studied the effect of music on movement recall. thus, this study aimed to identify the effect of motivational music on information recall during the performance of a wrestling skill sequence. 24 male athletes (mean age 21.6±0.9 yr, height 176.4±6.1 cm and weight 67.5±8.4) were trained in 30 skills of ...

Augmented feedback is information that guidance performance to direction correct response and has critical role in motor skill learning. The purpose of this study was to examine the effect of knowledge of results, after good and poor trials on learning and error estimation capability in children.32 elementary students (Mean age 10/4, SD ± 0/9) that all novice and no experience in dart skill par...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده ادبیات و علوم انسانی دکتر علی شریعتی 1387

this study was designed to investigate the impacts of teachers self-disclosure on students foreign language classroom anxiety, attitude to english language learning and their achievement scores at the end of the term. there were 48 female learners of intermediate level. they were not randomly selected. there were one experimental group with 21 students and one control group with 27 students.the...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سمنان - دانشکده ادبیات و علوم انسانی 1389

?it is of utmost priority for an experienced teacher to train the mind of the students, and enable them to think critically and correctly. the most important question here is that how to develop such a crucial ability? this study examines a new way to the development of critical thinking utilizing critical discourse analytical tools. to attain this goal, two classes of senior english la...

Journal: :journal of chemical health risks 0
nooshin masoudian masoudian neurology ward, department of internal medicine, kosar hospital, school of medicine, semn nahid masoudian department of biology, damghan branch, islamic azad university, damghan, iran ali rashidy pour department of physiology, school of medicine, semnan university of medical sciences, semnan, iran abbas ali vafaei department of physiology, school of medicine, semnan university of medical sciences, semnan, iran sasan andalib neurosciences research center, imam reza hospital, tabriz university of medical sciences, tabriz, iran golnaz vaseghi applied physiology research center, isfahan university of medical sciences, isfahan, iran

many factors are involved in learning and memory processes including brain nuclei, neurotransmitter systems, and the activity of ion channels. studies showed inconsistent effects of calcium channel blockers on learning process, especially memory consolidation; however, little is known about their effect on memory acquisition and retrieval. accordingly, the present study aimed to determine the e...

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