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تعداد نتایج: 16871147 فیلتر نتایج به سال:
In the present work, we found that the delayed rectifying outward potassium current (I(K)) in adult and neonatal cat ventricular myocytes consists of both rapid and slow components, I(Kr) and I(Ks), respectively, which can be isolated pharmacologically. Thus after complete blockade of I(Kr) with dofetilide, the remaining I(Ks) current is homogeneous, as shown by an envelope of tails test. I(Kr)...
Given the numerous knowledge representation models (KR-schemes) that have been proposed, it would be desirable to have a formal, unifying model for the description of a KR-scheme, as well as a general method of comparing KR-schemes in terms of expressive power. This work attempts to fill this gap, by proposing an elegant, yet very general, model of describing KR-schemes. This formalization is u...
Representing knowledge and reasoning with it is at the heart of most AI systems. Nevertheless, the field of Knowledge Representation and Reasoning (KR&R) does not seem to have much impact on practical work in AI. I will try to point out the reasons for the discrepancy and I will argue that KR&R can be understood as Theoretical Artifical Intelligence. Further, I point out a number of fruitful ap...
Bu çalışmanın amacı TRT THM repertuarında bulunan kaynak kişisi Ali Ekber ÇİÇEK olan Erzincan türkülerinin değer vurguları ve değerler eğitimi acısından incelemektir. Araştırmada nitel araştırma yöntemi kullanılmıştır. veri toplama sürecinde belgesel tarama tekniği ÇİÇEK’ e ait türküleri tespit etme adına repertuarı taranmıştır. repertuarından toplam 20 türküsü edilmiştir. Veriler içerik analiz...
teachers beliefs have usually been left unattended in the realm of educational research in iranian context. one of those beliefs which seems to impact teachers performance in the classroom is their sense of self-efficacy, which refers to teachers belief in their ability to enhance student achievement and in bringing about positive learning outcomes. the present study aimed to investigate the pr...
this study aimed to investigate the effects of listening strategy training on iranian efl learners listening comprehension and use of such strategies. this work, employing an experimental methodology, was conducted among 60 adult efl learners from a language institute in isfahan, iran, as participants. the participants, who were selected based on the results of a placement test, were assigned t...
abstract over the past two decades, applied linguists and language teachers have shown a great deal of interest in genre-centered approaches , mainly because of pedagogic concerns . this has been due to the need to help non-native readers enhance their ability to understand academic and scientific texts. following swales’ (1981) works on genre analysis, studies of different sections of resear...
a novel silver (ag) nanocomposite electrode was proposed that fabricated from metal nanostructures and ionic liquids. the combined application of unique properties of nanomaterials and ionic liquids in the design of this ag nanocomposite results in electrodes with interesting advantages compared to the conventional metal disk electrode. in the first part of this thesis, the elecrocatalytic eff...
Knowledge Representation & Reasoning (KR&R) is a fundamental topic in Artificial Intelligence. A basic KR language is First– Order Logic (FOL), the most representative logic–based representation language, which is part of almost any introductory AI course. In this work we present KRRT (Knowledge Representation & Reasoning Tutor). KRRT is a Web–based system which main goal is to help the student...
abstract venlafaxine, 1–[2–(dimethylamino)–1–(4–methoxyphenyl) ethyl]cyclohexanol hydrochloride is a novel non-tricyclic antidepressant. venlafaxine is a second generation antidepressant drug, has a neuropharmacologic profile distinct from that of existing antidepressants including tricyclic compounds, selective serotonin reuptake inhibitors and monoamine oxidase inhibitors. venlafaxine impart...
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