نتایج جستجو برای: relative strength

تعداد نتایج: 583389  

Journal: :Journal of sports science & medicine 2014
Nicolas H Hart Sophia Nimphius Tania Spiteri Robert U Newton

Differential loading patterns during game-based participation may produce or exacerbate strength imbalances between the lower limbs. It is currently unknown whether such imbalances are functionally beneficial or detrimental to performance. This study assessed the influence of lower limb strength and lean mass symmetry on kicking accuracy in Australian Football. Thirty-one Australian footballers...

Journal: :The American journal of sports medicine 2008
Jean-Louis Croisier Sebastien Ganteaume Johnny Binet Marc Genty Jean-Marcel Ferret

BACKGROUND The relationship between muscle injury and strength disorders remains a matter of controversy. PURPOSE Professional soccer players performed a preseason isokinetic testing aimed at determining whether (1) strength variables could be predictors of subsequent hamstring strain and (2) normalization of strength imbalances could reduce the incidence of hamstring injury. STUDY DESIGN C...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان 1390

cement is an essential ingredient in the concrete buildings. for production of cement considerable amount of fossil fuel and electrical energy is consumed. on the other hand for generating one tone of portland cement, nearly one ton of carbon dioxide is released. it shows that 7 percent of the total released carbon dioxide in the world relates to the cement industry. considering ecological issu...

Journal: :international journal of civil engineering 0
m. hassanlourad iran-zanjan-etemadieh h. salehzadeh iran-tehran-narmak h. shahnazari iran-tehran-narmak

the effects of cementation and the physical properties of grains on the shear behavior of grouted sands are investigated in this paper. the consolidated-undrained triaxial shear behavior of three grouted carbonate sands with different physical properties, including particle size distribution, particle shape and void ratio, was studied. two sands were obtained from the north shores of the persia...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز 1352

خواص فیزیکی و مکانیکی چوب مورد مطالعه قرار گرفته است . برای اینکار چوب درخت چنار انتخاب شده است . آزمایشات انجام شده هم بصورت استاتیک و هم بصورت دینامیک بوده است . نمونه هائی با رطوبت و دانسیته های مختلف آزمایش شده اند. همه موارد آزمایشات در دمای آزمایشگاه انجام شده است . خواص مکانیکی چون ضریب ارتجاعی (modulus of elasticity) حد تناسب (proportional limit) حد کشش (tensile strength) تاب خرد شدگی (...

Journal: :iranian endodontic journal 0
mohammad frough reyhani negin ghasemi saeed rahimi amin salem milani hadi mokhtari sahar shakouie

introduction: the aim of the present experimental study was to evaluate the push-out bond strength of dorifill, epiphany and mta-fillapex sealers to root canal dentin in presence and absence of smear layer (sl). methods and materials: sixty human single-rooted teeth were selected and divided into six groups ( n= 10). the canal irrigation protocol in groups 1, 3 and 5 consisted of 2.5% naocl dur...

2001
Chris Barlow Vipin Kumar Brian Flinn Rajendra K. Bordia John Weller

The effect of density (relative densities 0.33 to 0.90) on the impact behavior of microcellular polycarbonate (PC) was investigated. Cell size and foaming gas content were also considered. Flexed-beam Izod impact tests were conducted and the impact strength of these foams appears to be a strong function of both density and cell size. The impact strength was observed to improve over the unproces...

 In this paper by use of mathematical modeling of an observer [14,15] the notion of relative information functional for relative dynamical systemson compact metric spaces is presented. We extract the information function ofan ergodic dynamical system (X,T) from the relative information of T fromthe view point of observer χX, where X denotes the base space of the system.We also generalize the in...

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