نتایج جستجو برای: principle of ends
تعداد نتایج: 21171537 فیلتر نتایج به سال:
abstract: the present study was undertaken to investigate whether 1) there is any significant correlation between iranian efl/eap learners’ l2 writing proficiency and their willingness to communicate, 2) there is any significant difference between efl and eap learners in terms of willingness to communicate, 3) there is any significant difference in wtc of iranian efl/eap learners with 1- nati...
abstract the variables affecting the nature of reading comprehension can be classified into two general categories: reader’s variables, and text variables (alderson, 2000). despite the wave of research on vocabulary knowledge as reader’s variable, the role of this knowledge in c-test as a text-dependent test and its interaction with lexical cohesion of the test as a text feature has remained a...
Using harmonic differential quadrature (HDQ) method, nonlinear vibrations and instability of a smart composite cylindrical shell made from piezoelectric polymer of polyvinylidene fluoride (PVDF) reinforced with boron nitride nanotubes (BNNTs) are investigated while clamped at both ends and subjected to combined electro-thermo-mechanical loads and conveying a viscous-fluid. The mathematical mode...
This paper reports an analytical method to show the effect of electrostatic and Casimir forces on the pull-in instability and vibration of single nano-plate (SNP) carrying a moving nanoparticle. Governing equations for nonlocal forced vibration of the SNP under a moving nanoparticle considering electrostatic and Casimir forces are derived by using Hamilton’s principle for the case when two ends...
Based on the theory of instrumentalism, criminal law is instrument to Serve the predetermined purposes, and If can make our to achieving these ends, then it is considered correct, But if the purposes fail to be appropriate, In that case is an inefficient and inadequate instrument and should be revised in using of that. Then, The first step in the instrumental study into iranian criminal law is ...
Infants seem sensitive to hidden objects in habituation tasks at 3.5 months but fail to retrieve hidden objects until 8 months. The authors first consider principle-based accounts of these successes and failures, in which early successes imply knowledge of principles and failures are attributed to ancillary deficits. One account is that infants younger than 8 months have the object permanence p...
objective gastroenteritis has a diverse etiology; many pathogens can cause this condition. of the extraintestinal manifestations, one is convulsions, which may be attributable to fever, type of bacteria, or electrolyte imbalance. to assess the risk of occurrence of convulsions, in this study we investigated the association between the paraclinical and clinical findings of children with gastroe...
Most physics books do not reveal clearly how the Heisenberg uncertainty principle was derived. This comes from consequence of wave-particle duality matter giving statement that position and momentum cannot be measured in same time. article tries to mathematics background behind expression using supported such as Fourier transform, transform integral, probability Gaussian distribution it ends up...
In this paper, first we introduce the end of locally finite graphs as an equivalence class of infinite paths in the graph. Then we mention the ends of finitely generated groups using the Cayley graph. It was proved that the number of ends of groups are not depended on the Cayley graph and that the number of ends in the groups is equal to zero, one, two, or infinity. For ...
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