نتایج جستجو برای: کلاستر hf
تعداد نتایج: 21840 فیلتر نتایج به سال:
چکیده سابقه و هدف: بررسی ضریب مقاومت در جریان‌ها به ویژه در جریان‌های آزاد، کانال‌ها و رودخانه‌ها از اهمیت زیادی برخوردار است. یکی از عوامل تاثیر گذار بر مقاومت جریان شکل بستر در آبراهه‌ها می‌باشد. ریزساختار‌های کلاستری از جمله شکل‌های بستر در رودخانه‌های مناطق کوهستانی می‌باشند که از نظر بیولوژیک و همچنین هیدرولیک ریزجریان‌ها (جریان‌های ثانویه) حائز اهمیت هستند. مطالعه در زمینه شناخت و تاثیرات...
OBJECTIVES Few epidemiological studies have examined differences in the prevalence of risk factors and comorbidities in patients with systolic heart failure (HF), as compared with those with diastolic HF. METHODS We analyzed data from 1426 residents of the Worcester (MA) metropolitan area hospitalized at all 11 greater Worcester medical centers for acute HF during 1995 and 2000 who had data a...
Purpose: We demonstrate that meaningful cross-sectional differences in the subfields of the hippocampal formation (HF) can be detected in patients with mild cognitive impairment (MCI) using automatic segmentation of focal T2-weighted MRI. Boundaries between the layers and subfields of the HF are virtually indistinguishable in routine 1 mm T1-weighted MRI at 1.5 and 3 Tesla. However, mounting ev...
[Editor’s note: We goofed! The transmission of telephony in digital format (emission designator J1E or J2E) is perfectly legal in the phone bands. The restriction placed on transmitted baud rate by §97.307(f)(3) of the FCC rules does not apply. In fact, there is no upper limit on the bit rate for this mode. See the sidebar by ARRL Technical Relations Manager Paul Rinaldo, W4RI. Some of this mat...
High-fat (HF)-diet rodent models have contributed significantly to the analysis of the pathophysiology of the insulin resistance syndrome, but their phenotype varies distinctly between different studies. Here, we have systematically compared the metabolic and molecular effects of different HF with varying fatty acid compositions. Male Wistar rats were fed HF diets (42% energy; fat sources: HF-L...
Skin stem cells can regenerate epidermal appendages; however, hair follicles (HF) lost as a result of injury are barely regenerated. Here we show that macrophages in wounds activate HF stem cells, leading to telogen-anagen transition (TAT) around the wound and de novo HF regeneration, mostly through TNF signalling. Both TNF knockout and overexpression attenuate HF neogenesis in wounds, suggesti...
BACKGROUND Myocardial infarction increases the risk of heart failure (HF) and atrial fibrillation. Renal denervation (RDN) might suppress the development of atrial remodeling. This study aimed to elucidate the molecular mechanism of RDN in the suppression of atrial fibrillation in a HF model after myocardial infarction. METHODS AND RESULTS HF rabbits were created 4 weeks after coronary ligati...
Exercise restores insulin, but not adiponectin, response in skeletal muscle of high-fat fed rodents.
High-fat (HF) diets impair skeletal muscle response to the insulin-sensitizing adipokine adiponectin (Ad) in rodents, preceding the development of insulin resistance. Skeletal muscle insulin response in HF-fed rats can be restored with chronic exercise; whether recovery of skeletal muscle Ad response is necessary for the exercise-induced recovery of insulin-stimulated glucose transport is not k...
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