نتایج جستجو برای: surface treatment

تعداد نتایج: 1980818  

Journal: :علوم و تکنولوژی پلیمر 0
الهه مسایلی صدیقه برهانی

low temperature plasma technology is well established in surface modification of polymer materials on industrial scale. this method modifies surface properties of polymers without chemicals, manual work and reducing chemicals and energy consumption. in this study, low pressure plasma treatment was used to develop hydrophilic properties of polyethylene terephthalate (pet) fabrics. it was found t...

Journal: :journal of dentistry, tehran university of medical sciences 0
sakineh arami assistant professor, department of restorative dentistry, school of dentistry, tehran university of medical sciences, tehran, iran. masoume hasani tabatabae associate professor, department of restorative dentistry, school of dentistry, tehran university of medical sciences, tehran, iran. seyedeh fatemeh namdar phd candidate of laser dentistry, laser research center of dentistry, dentistry research institute, tehran university of medical sciences, tehran, iran. nasim chiniforush assistant professor, department of restorative dentistry, school of dentistry, birjand university of medical sciences, birjand, iran.

the aim of this study was to assess the surface of yttrium-stabilized tetragonal zirconia (y-tzp) after surface treatment with lasers and airborne-particle abrasion.first, 77 samples of presintered zirconia blocks measuring 10 × 10 × 2 mm were made, sintered and polished. then, they were randomly divided into 11 groups (n=7) and received surface treatments namely, er:yag laser irradiation with ...

At the past, damaged tissue was removed from the body of patients. But now tissue regeneration using scaffolds and implants are used to repair the damaged tissue and organs. Besides of the mechanical properties of metallic biomaterials, they suffer from bioinertness. Using some surface treatment techniques, the bioactivity and also corrosion resistance of titanium implants could be improved. In...

Journal: :Journal of the Surface Finishing Society of Japan 1996

2015
Katherine Carpenter Vaibhav Bahadur

Most studies on icephobicity focus on ice formation with pure water. This manuscript presents studies to understand the influence of surfaces on saltwater ice nucleation and propagation. Experiments are conducted to quantify the influence of surface chemistry on saltwater ice nucleation and to understand the utility of superhydrophobic surfaces for saltwater icephobicity. These experiments are ...

Journal: :JPMA. The Journal of the Pakistan Medical Association 1998
B F Zuberi M R Rajput L Muzaffar N Jatoi W M Shaikh

Efficacy of low-dose, intra-dermal hepatitis B vaccination was assessed among sixty-one doctors and paramedical staff of Chandka Medical College Hospital, Larkana. Subjects were randomly divided into two groups. Group-A (n = 25) received 20 micrograms of purified Hepatitis B Surface Antigen (Euvax B, LG Chemicals) by i.m. injection in the deltoid by 0, 1 and 6 schedule while group B (n = 36) re...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید