نتایج جستجو برای: powder preparation
تعداد نتایج: 219324 فیلتر نتایج به سال:
Abstract The quality of Aluminum oxynitride (AlON) powder is the main factor affecting properties ceramics. To accurately control nitrogen AlON content and improve dispersion degree powder, was prepared from γ-Al 2 O 3 activated carbon by carbothermic reduction nitridation. uniformity distribution raw materials dimension microstructure controlled changing time rotation rate ball milling process...
The risk of cardiovascular disease and atherosclerosis progression is significantly increased after menopause, probably due to the decrease of estrogen levels. The use of hormone replacement therapy (HRT) for prevention of cardiovascular disease in older postmenopausal failed to meet expectations. Phytoestrogens may induce some improvements in climacteric symptoms, but their effect on the progr...
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