نتایج جستجو برای: ni composite
تعداد نتایج: 172598 فیلتر نتایج به سال:
Ni–Ti shape memory alloys (Nitinol) are suitable for biomedical applications such as orthodontic, orthopedic, and cardiovascular implants. However, to avoid local inflammatory processes, efforts being made functionalize the surface of alloy with bioactive materials. Chitosan-based composite coatings can be applied improve properties due their excellent properties, low toxicity, biocompatibility...
مکان های دفن پسماند یکی از مهمترین منابع ورود آلاینده ها به محیط زیست هستند. تحقیق حاضر در مورد محل دفن پسماند شهر همدان می باشد که روزانه در حدود 500 تن پسماند خانگی و 5 تن پسماند بیمارستانی از شهر های همدان، بهار و جورقان به این محل منتقل می شود. در این تحقیق تلاش گردید تا با تعیین ترکیبات آلی (بیس فنل آ، 4-نونیل فنل و اکتیل فنل) و فلزات (cu، pb، ni و cd) در نمونه های خاک و شیرابه محل دفن پسم...
Objectives: Despite the high success rate, implant-supported prostheses fail in some cases. Control of the applied forces is an important factor determining the success or failure of implants. Complete understanding of the biomechanical principles in implant-supported prostheses is necessary for offering an appropriate custom-made treatment plan for each patient and reducing the risk of functio...
We studied the mineralogy, petrology, and bulk, trace element, oxygen, and noble gas isotopic compositions of a composite clast approximately 20 mm in diameter discovered in the Larkman Nunatak (LAR) 04316 aubrite regolith breccia. The clast consists of two lithologies: One is a quench-textured intergrowth of troilite with spottily zoned metallic Fe,Ni which forms a dendritic or cellular struct...
applying a ni-p electroless coat on the surface of bn(h) particles has a beneficial effect on their wettability in vortex technique during composite manufacturing. in this investigation, different preliminary treatments consisting of different combinations of surface oxidation, sensitization and activation have been investigated. the results obtained from scanning electron microscope (sem) and ...
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