نتایج جستجو برای: الحاقیه hec
تعداد نتایج: 2460 فیلتر نتایج به سال:
بررسی موضوع مقاومت جریان در کانال ها و رودخانه ها سابقه بسیار طولانی دارد و به کارگیری آن در یک کانال یا رودخانه با ویژگی های مشخص به منظور مطالعه و مدیریت رودخانه ضرورت دارد. در این تحقیق تلاش می شود با بررسی مشخصات رودخانه ای در بازه مورد مطالعه، عوامل موثر بر مقاومت جریان را شناسایی کرده تا به کمک آن ها بتوان مقدار مناسبی را برای ضریب زبری در رودخانه تخمین زد. پیش بینی مناسب و بهینه مقاومت ج...
سیل یکی از بلایای طبیعی است که اغلب مناطق کشور را تحت تاثیر قرار داده و موجب وارد آمدن خسارت میگردد. لذا شناسایی اصولی مناطق با پتانسیل تولید سیل از جمله اقدامات بسیار مهم در کاهش خسارات ناشی از آن می باشد. در این مطالعه نقش روندیابی سیل در تفکیک و شناسایی مناطق سیل خیز پس از برآورد دبی زیر حوضهها در آبراهههای اصلی تا خروجی کل حوضه بررسی شد. بدین منظور حوضه آبخیز کسیلیان که حوضه معرف البرز ...
The current research investigates the HEC based training for the University teachers in Pakistan and its impact on the performance on University teachers. The Higher Education Commission (HEC) in Pakistan seeks to improve the quality of teaching by University teachers. The Commission has initiated different forms of training according to the areas of expertise in order to improve skills and imp...
It is expected that our HEC system will enter exascale era in decade, which is one thousand times of performance as today’s system (petascale). In the mean time, many challenges also have been noticed and pointed out, as the size of HEC system increased without some dispensable improving on architecture of today’s HEC system, the systems could collapse at exascale, because the functionality wou...
More insight into the mechanism of adhesion of human endothelial cells (HEC) on to polymeric surfaces may lead to the development of improved small-diameter vascular grafts. H EC suspended in 20% human serum-containing culture medium adhere and spread well on moderately water-wettable polymers such as tissue culture polystyrene (TCPS). Earlier it was demonstrated that during adhesion and spread...
pH-Sensitive micelles are usually made from double-hydrophilic block copolymers which can dissolve molecularly in water in a certain pH range and aggregate spontaneously upon an appropriate change in the pH value. Significant advances in this field have been achieved in recent years.[1] Polymeric hollow spheres have great potential for the encapsulation of large quantities of guest molecules. D...
BACKGROUND During the past 2 decades, there has been a rapid proliferation of "health examination center (HEC)" across China. The effects of their services on public's health have not been systemically investigated. This study aimed to assess the impact of periodic health examination (PHE) at HEC on surgical treatment for uterine fibroids in Beijing residents. METHODS We identified 224 patien...
BACKGROUND/AIMS Osteopontin (OPN) is an Extracellular Matrix (ECM) molecule and is involved in many physiologic and pathologic processes, including cell adhesion, angiogenesis and tumor metastasis. OPN is a well-known multifunctional factor involved in various aspects of cancer progression, including endometrial cancer. In this study, we examined the significance of OPN in endometrial cancer. ...
Repair of human endometrium after menstruation and preparation of the endometrium for implantation involves profound angiogenic changes. Vascular endothelial cell growth factor (VEGF) is a recently identified growth factor with significant angiogenic properties. Four species of mRNA encoding VEGFs were identified in human endometrium and myometrium. All species were present throughout the menst...
As cyclin-dependent kinases (CDKs) regulate cell cycle progression and RNA transcription, CDKs are attractive targets for creating cancer cell treatments. In this study we investigated the effects of the small molecular agent NU6140 (inhibits CDK2 and cyclin A interaction) on human embryonic stem (hES) cells and embryonal carcinoma-derived (hEC) cells via the expression of transcription factors...
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