نتایج جستجو برای: conditioned by frequency
تعداد نتایج: 7258861 فیلتر نتایج به سال:
Background: The characteristic of stem cells in self renewal and differentiation to different types of cells has stimulated the interests for using stem cells as a starting material for generating insulin secreting cells. We've evaluated the differentiation potential of Programmable cells of monocytic origin (PCMOs) into insulin producing cells effected from the growth factors and fibroblasts c...
The behavioral audiograms of slow loris and potto were determined by the technique of conditioned suppression, and the auditory characteristics of Prosimians then estimated by combining the data with that of bushbaby. It is concluded that high-frequency hearing, low-frequency sensitivity, and total area of the audible field are well correlated with phyletic level, while lowest threshold and bes...
abstract: the present study is an attempt to find out cultural exophoric references in iranian high-school elt textbooks and touch stone series to compare the frequency of occurrence of such references in these books. the purpose is to find out which of the series of the books under investigation impose a greater referential burden on efl learners as far as their reading comprehension of the ...
This paper presents a method for gathering and evaluating user attitudes towards previously released video games. All user reviews from two video game franchise were collected. The most frequently mentioned words of the games were derived from this dataset through word frequency analysis. The words, called “aspects” were then further analyzed through a manual aspect based sentiment analysis. Th...
divine essence and explanation of his ontological place is an important problem for religious schools in conceptual and direct knowledge and both the philosophers and mystics concerns about it. mystics believed the method of intuition, but afterwards the emergence of speculative mysticism, they try to translate the intellectual intuition to conceptual knowledge, attaining this purpose, they use...
background differences in causes, severities, areas of stenosis, and the association with swallowing and phonation of larynx and trachea can result into laryngotracheal stenosis (lts).this study evaluated the healing effect of bone marrow stem cells (bmscs) in experimentally induced lts dog model. methods seven dogs were enrolled. bmscs were isolated from proximal humerus and shoulder of a dog ...
We have proposed that short (<0.5 s), high-frequency (approximately 50 kHz) ultrasonic vocalizations ("50-kHz USVs") index a positive affective state in adult rats, because they occur prior to rewarding social interactions (i.e., rough-and-tumble play, sex). To evaluate this hypothesis in the case of nonsocial stimuli, we examined whether rats would make increased 50-kHz USVs in places associat...
In chronic experiments on rabbits spectral and correlation characteristics of cerebral cortical potentials were computed to study the elaboration of a conditioned defense reflex. was found that the frequency spectra of the EEG are subject to consistent changes: a narrow-band frequency constantly developing in the theta range. During exposure to a positive conditioned stimulus, the maximum of th...
This study examined disciplinary rhetoric in research articles, focusing on different traditions in structuring text discourses from a metadiscourse-move analytic approach. The corpus consisted of 72 research article Introductions (RAIs): 36 in applied linguistics and 36 in chemistry. Swales’ CARS model (1990, 2004) and Hyland’s interpersonal model of metadiscourse (2005) were used as analytica...
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