نتایج جستجو برای: 5421
تعداد نتایج: 58 فیلتر نتایج به سال:
Recent studies have shown that strength values similar to those observed in nanocrystalline metals can be obtained without a severe deterioration in ductility. This is achieved by introducing controlled, nanoscale, growth twins within ultrafine-grained metals. In this work, we present a continuum description of the effective response of nanotwinned ultrafine crystals. The model is based on a fi...
BACKGROUND The adverse health effects of Asian dust (AD) on the respiratory system of children are unclear. We hypothesized that AD events may lead to increased visits by children to emergency medical centers due to bronchial asthma and respiratory diseases, including bronchial asthma. METHODS We used anonymized data on children receiving primary emergency treatment at Nagasaki Municipal Prim...
Water scarcity threatens economic growth, social cohesion, and environmental sustainability in many deltas. This situation is likely to worsen due to future climate change. To reduce water scarcity and limit salt water intrusion in deltas, many countries have launched policies to allocate water resources. However, it is difficult to develop long-term adaptive water management policies due to la...
PURPOSE To compare treatment patterns of intravitreal ranibizumab and aflibercept for the management of neovascular age-related macular degeneration (nAMD) in a real-world setting over the first 12 months of treatment. METHODS A proprietary clinical database was used to identify treatment-naïve patients with nAMD in the USA with claims for ranibizumab or aflibercept between November 1, 2011 a...
Abstract Background and Aims Elevated levels of serum phosphorus (PO4) in patients with kidney failure are associated complications such as cardiovascular (CV) disease, bone disease impaired wound healing, increased mortality hemodialysis patients. A recent PDOPPS study (Lopes et al NDT 2023) showed that high PO4 is also undergoing peritoneal dialysis (PD). We explored a large cohort chronic PD...
Fifty g glucose, 50g maltose and 50g sucrose were loaded to 12 nonobese healthy male volunteers with and without 100 or 300 mg a-glucosidase inhibitor, acarbose, and the inhibitory effect on digestion and absorption of these saccharides was studied. In another series of investigations, acarbose 100 mg a day were orally administered to 12 non-insulin-dependent diabetics for 3 months together wit...
pH represents solution acidity and plays a key role in many life events that are associated with human diseases. For instance, the β-site amyloid precursor protein cleavage enzyme, BACE1, which is major therapeutic target of treating Alzheimer’s disease, functions within narrow region around 4.5. In addition, sodium-proton antiporter NhaA from <i>Escherichia coli</i> activated only ...
ماده اولیه برای تولید الاستومرها لاستیک طبیعی است. اولین ماده شناخته شده به عنوان لاستیک پلی ایزوپرن استخراج شده از شیره ی درخت هوآی برزیلی است. پلی ایزوپرن یکی از پرکاربردترین پلیمرهای مورد استفاده در صنعت، از جمله صنعت لاستیک سازی می باشد. در این پروژه، لاستیک طبیعی موجود در شیرابه درخت انجیر استخراج و سپس عملیات خالص سازی روی آن انجام گرفت. ساختمان لاستیک طبیعی خالص شده به دقت توسط تکنیک ه...
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