نتایج جستجو برای: nano bi2o3
تعداد نتایج: 51219 فیلتر نتایج به سال:
Government regulations to address technological risks are important for the successful development and application of nanotechnology, but there is an ongoing debate in the USA about who is responsible for the regulation of nanotechnology. In a mail survey of leading US nano-scientists, we examine scientists’ perceptions about nano-regulation, including the government level (local, national, or ...
This work studied protective material consisting of several metal oxide composites (Pb3O4, WO3, SnO2, and Bi2O3)-natural rubber (NR) for X-ray gamma-ray shielding. The were prepared through open milling vulcanization processes further characterized by scanning electron microscope (SEM), diffraction (XRD), rheometry analysis, density gauge. attenuation coefficient the sample was investigated usi...
The influence of separately added 0.3 wt%, CdO, Bi2O3, BeO and SiO2 on the phase formation, microstructure, magnetic transport properties Y1Ba2Cu3O(7-$\delta$) (Y-123 or YBCO) fabricated by conventional solid state reaction method has been analyzed. results reveal a very low solubility limit for bismuth silicon in Y-123 phase, leading to precipitation phases located within intergranular regions...
Equilibrium phase diagrams for the systems Bi2O3-PbO-CaO and Bi2O3-PbO-SrO at 873K and 1073K in air.
چکیده برهمکنش یون های فلزی با پروتئین ها مورد توجه بسیاری از محققین، خصوصا بیوشیمی-دانان قرار گرفته است. آمینو اسیدها، بلوک های ساختمانی پروتئین ها هستند. پروتئین ها که مرکب از آمینواسیدها هستند نقش اساسی در بسیاری از متابولیسم های بدن دارند. در این کار، میزان پایداری کمپلکس های تشکیل شده از آمینواسیدهای فنیل آلانین و تریپتوفان با وانادیوم (v) و نانووانادیوم اکسید را در آب و مخلوط حلال آب- دی...
objective: maintaining the health of oral tissues is a major goal in dentistry. however, limitations in dental materials, instruments, procedures and medications prevent achievement of this goal. advances in nanotechnology have paved the way to approach this goal. this study reviews the advances on nanotechnology in dentistry. review of literatures: in this review study, google scholar, pubmed,...
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید