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تعداد نتایج: 10692374 فیلتر نتایج به سال:
section{introduction} the concept of {sl cartan geometry} appeared at the beginning of the twentieth century, when {e}lie cartan was working on the so-called {sl equivalence problem}, the aim of which is to determine whether two given geometric structures can be mapped bijectively onto each other by some diffeomorphism. this problem can be considered in many different contexts, such as ...
in this thesis we will present three topics. we define approximate fixed points in fuzzy normed spaces. also we obtain some necessary and sufficient conditions on the existence of? -fixed points for ? > 0. at the continue some results about approximate fixed points for a class of non-expansive maps on g-metric spaces are obtained and we define approximate fixed points in partial metric spa...
The aim of the present study was to investigate the efficiency of the encapsulation-dehydration technique for cryopreservation of Cyrtopodium hastchbachii Pabst seeds. Immature seeds of this species were cryopreserved by an encapsulation-dehydration technique. Seeds of five immature pods, 120 days after pollination, were encapsulated in 3% calcium alginate matrix and pretreated in liquid medium...
The optimization of biomaterials’ biodegradation rate similar to tissue regeneration, is one of the main goals of tissue engineering. However, the necessity to assess their possible toxicity is always considered. The aim of this study was cytotoxicity and genotoxicity evaluation of fluorapatite/bioactive glass (FA/BG) nanocomposite foams with two various weight ratios to determine the optimal c...
the current study aimed at investigating the relationship between motivation and test preparation strategies (tpss) used by iranian pre-university students in their preparation period for the university entrance exam (uee). due to the importance of uee in iran, this study also attempted to show its impact on these two important variables. to this end, 100 pre-university students in an iranian p...
Shaker, a voltage-dependent K+ channel, is enriched in the mushroom bodies (MBs), the locus of olfactory learning in Drosophila. Mutations in the shaker locus are known to alter excitability, neurotransmitter release, synaptic plasticity, and olfactory learning. However, a direct link of Shaker channels to MB intrinsic neuron (MBN) physiology has not been documented. We found that transcripts f...
the present research was conducted to accomplish two purposes. firstly, it aimed to explore and describe schematic structure or what halliday and hassan (1989, p.64) have called “generic structure potential” (gsp) of american english, iranian persian and iranian english newspaper editorials within systemic functional linguistics. secondly, a quantitative cross-comparison was made to investigate...
Cells dissociated with 0-25 % crude trypsin from the muscle tissue of 9-day-old chick embryos were employed to investigate the effect of puromycin on cellular metabolism. Parallel studies were also made, using the gyratory shaker, to confirm the effectiveness of puromycin in inhibiting cell aggregation and protein synthesis. Puromycin when introduced at a concentration of io/<g/ml into a suspen...
Sadeq H. Bakhy, Shaker S. Hassan, Somer M. Nacy, K. Dermitzakis and Alejandro Hernandez Arieta Robotica / Volume 31 / Issue 04 / July 2013, pp 599 609 DOI: 10.1017/S0263574712000653, Published online: 31 October 2012 Link to this article: http://journals.cambridge.org/abstract_S0263574712000653 How to cite this article: Sadeq H. Bakhy, Shaker S. Hassan, Somer M. Nacy, K. Dermitzakis and Aleja...
Background: Acute and chronic pain is prevalent in patients with opioid dependence. Lack of knowledge concerning the complex relationship between pain, opioid use, and withdrawal syndrome can account for the barriers encountered for pain management. This study was designed to evaluate the efficacy of sublingual (SL) buprenorphine for post-operative analgesia, compared with intravenous (IV) morp...
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