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تعداد نتایج: 14037929 فیلتر نتایج به سال:
from its emergence till present time marxist principles has undergone great changes since their promulgation by marx. many theorists and thinkers set at rectifying marxist tenets and introducing those of their own while others advocated its main concepts and attempted at improving them. among marxist philosophers who had an intensive study of marxs ideology, is louis althusser whose reflections...
Psychophysical Two-tone Suppression as a Function of Input Level for F<sub>2</sub>/f<sub>1</sub>>1.0
Psychophysical two-tone suppression was measured in three normal-hcaring young adults using the pulsation-threshold technique. The primary objective was to study the effect of L• on psychophysical twotone suppression for f2/f• > 1.0. Measurements were obtained at low and mid frequencies and for input levels ranging from 40 through 85 dB SPL. For f• --1000 or 2000 Hz, suppression i creased initi...
legal establishment of court is the birth of social life; each person should define him/herself against others offence or violation. when a society forms and the legal character appears, the thought of society refers to a person name prosecuting attorney who is the president of the court for defending his/her rights. prosecuting attorney remindterms such as court, crime and punishment. accordi...
Transition metal silicon arsenide with Ir–Si and Ir–As covalent bonding exhibits remarkable non-linear optical properties: high second harmonic generation activity a large laser damage threshold.
In the energy transition from fossil fuels to renewables, hydrogen is a realistic alternative achieving decarbonization target. However, its chemical and physical properties make storage transport expensive. To ensure cost-effective H2 usage as an vector, other chemicals are getting attention carriers. Among them, ammonia most promising candidate. The value chain of NH3 carrier, considering lon...
the history of plant’s used for mankind is as old as the start of humankind. initially, people used plants for their nutritional proposes but after the discovery of medicinal properties, this natural ?ora became a useful source of disease cure and health improvement across various human communities. berberis vulgaris is one of the medicinal plants used in iranian traditional medicine. berberis ...
the purpose of this study is to investigate the relationships between teachers’ immediacy behaviors and iranian students’ willingness to talk in english classes. analysis of the results from willingness to talk scale represents a relatively high level of willingness to talk in english classrooms among iranian language learners. the total mean score of students’ willingness to talk was 66.3 ou...
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