نتایج جستجو برای: tread compound

تعداد نتایج: 128541  

2013
Li-Wen Liu Yung Hui Lee Chiuhsiang Joe Lin Kai Way Li Chih Yong Chen

A gait experiment was conducted under two shoe sole and three floor conditions. The shoe soles and floors were characterized by the tread and groove designs on the surface. The coefficients of friction (COF) on the floor in the target area were measured. The subjects were required to walk on a walkway and stepping on a target area covered with glycerol. The motions of the feet of the subjects w...

Journal: :Vehicles 2021

The most important task of the tire is to ensure driving safety by optimally transmitting required longitudinal and lateral forces. Although great progress has been made in past development new materials patterns, many questions remain unanswered field elastomer friction on rough surfaces. This particularly true when an additional intermediate medium introduced into contact, as for braking wet ...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد شاهرود - دانشکده علوم پایه 1393

چکیده : دو گیاه perovskia abrotanoides karel و zeravschania aucheri در سایه تحت جریان ملایم هوا خشک شدند. اسانس گیری از گیاهان خشک شده توسط دو روش تقطیر با آب و میکرواستخراج فاز جامد در فضای فوقانی انجام گرفت و اسانس ها با استفاده ار روش کروماتوگرافی گازی- طیف سنج جرمی (gc-ms) مورد تجزیه و تحلیل قرار گرفتند. ترکیبات عمده شناسایی شده در اسانس برگ و گل و ساقه گیاه p.abrotanoides عبارتند از: ...

Journal: :Polymer Testing 2021

The effect of the SBR/BR blend ratio on marching modulus – no-plateau torque profile in vulcametry a silica filled tire tread compound is investigated. This tedious recurring problem, as it precludes establishment optimal vulcanization conditions. It was expected that elastomer characteristics, SBR and BR this study, their physical affinity towards will influence degree dispersion flocculation,...

Journal: :Nursing times 1988
M Payne

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Journal: :international journal of occupational and environment medicine 0
m ziaei department of occupational health, faculty of health, kermanshah university of medical sciences, kermanshah, iran sh nabavi department of ergonomics, university of social welfare and rehabilitation sciences, tehran, iran hr mokhtarinia department of ergonomics, university of social welfare and rehabilitation sciences, tehran, iran sf tabatabai ghomshe department of ergonomics, university of social welfare and rehabilitation sciences, tehran, iran

background: prevention of slipping accidents requires provision of adequate friction through the use of suitable combinations of footwear and underfoot surfaces. shoe sole tread groove is one of the important factors on friction coefficient during walking. objective: to measure the effect of different shoe sole tread groove depths and different surfaces on the required quotient of friction (q),...

Journal: :Adoption & Fostering 2001

Journal: :The New England Journal of Medicine, Surgery and Collateral Branches of Science 1824

Journal: :The New England Journal of Medicine, Surgery and Collateral Branches of Science 1824

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