نتایج جستجو برای: تحلیل چند جهتی mea
تعداد نتایج: 286079 فیلتر نتایج به سال:
Background: The aim of this study was to investigate the effect of methanolic extract of Achillea millefolium L. (MEA) on the antiproliferative activity of bleomycin on human prostate cancer and normal skin cells. Materials and Methods: Human prostate cancer cell (DU-145) and human non-malignant fibroblast cell (HFFF2) were treated with MEA at various concentrations ( 20, 100, 500, 1000 and ...
The effects of the removal of 18-MEA on the dynamic contact angle (advancing contact angle and receding contact angle) and friction force (friction force microscopy (FFM)) were examined in the present study. Chemically untreated hair tresses formed more finely ordered bundles, with the fibers aligned more parallel to each other, in the wet state, and lying flat and aligned parallel to each othe...
در این تحقیق به دنبال معرفی اندازه کارایی بهبود یافته هستیم، که مبنای آن استفاده از تابع اندازه جهتی در تحلیل پوششی داده هاست. هدف اصلی ارتقاء مدل های تحلیل پوششی داده ها ) dea ( است، به نحوی که توانایی مواجـه شدن با داده های مثبت، منفی و مرکب (مثبت و منفی) را دارا باشند. از ویژگیهای مدل ارایه شده، این است که با استفاده از این مدل می توان یک مقدار اسکالر برای کارایی بدست آورد، و همچنین این مدل ...
در این پروژه یک روش عددی برای طراحی بهینه کوپلر جهتی خط شاخه برای تقسیم توان اختیاری بین دهانه های خروجی در یک باند فرکانسی همراه با تطبیق امپدانس منبع به امپدانس بار ارائه می شود. ابتدا دامنه امواج منعکسه و منتقله در چهار دهانه کوپلر بر حسب ضرایب انعکاس و انتقال نوشته شده که بر حسب پارامترهای پراکندگی و در نهایت بر حسب ماتریس انتقال در تحلیل زوج و فرد بیان می شود. بالاخره پس از محاسبه توان خرو...
AMP and its blends are an attractive solvent for CO2 capture, but the underlying reaction mechanisms still remain uncertain. We attempt to elucidate the factors enhancing bicarbonate production in aqueous AMP as compared to MEA which, like most other primary amines, preferentially forms carbamate. According to our predicted reaction energies, AMP and MEA exhibit similar thermodynamic favorabili...
A transient finite-element model has been presented to simulate extracellular potential stimulating in a neural tissue by a nonplanar microelectrode array (MEA). This model allows simulating the extracellular potential and transmembrane voltage by means of a single transient computation performed within single finite element (FE) software. The differential effects of the configuration and posit...
Molecular imprinting is the differential expression and/or silencing of alleles according to their parent of origin [1, 2]. Conflicts between parents, or parents and offspring, should cause "arms races," with accelerated evolution of the genes involved in imprinting. This should be detectable in the evolution of imprinting genes' protein sequences and in the promoter regions of imprinted genes....
Neurons in the medial nucleus of the amygdala (MeA) play a key role in the innate maternal, reproductive, defensive, and social behaviors. However, it is unclear how activation of the vomeronasal system leads to the behavioral outputs that are associated with pheromones. Here, we characterized the electrophysiological and morphological properties of MeA neurons using whole-cell recordings in mi...
Action potentials can be recorded extracellularly from hundreds of neurons simultaneously with multi-electrode arrays. These can typically have as many as 120 or more electrodes. The brief duration of action potentials requires a high sampling frequency to reliably capture each waveform. The resulting raw data files are therefore large and difficult to visualize with traditional plotting tools....
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