نتایج جستجو برای: pennation angle
تعداد نتایج: 130564 فیلتر نتایج به سال:
ین پایان نامه با هدف سنتز و شناسایی چهار نوع از نانو ذرات آغاز می شود. نانو ذرات آلوم اکسان از واکنش بوهمیت و کربوکسیلیک اسید مربوطه حاصل شدند. هدف از سنتز این نوع نانو ذرات ساخت غشاهای عامل دار شده با خاصیت آب دوستی و انتخاب پذیری جهت جداسازی روغن از مخلوط های آب و روغن، می باشد. tg-dta، ftir، sem، tem، uv/vis spectrophotometer، digital camera،contact angle measurement goniometer، ultrasonic b...
Wilson, LJ, Dimitriou, L, Hills, FA, Gondek, MB, van Wyk, A, Turek, V, Rivkin, T, Villiere, Jarvis, P, Miller, S, Turner, and Cockburn, E. Cold water immersion offers no functional or perceptual benefit compared to a sham intervention during resistance training program. J Strength Cond Res 35(10): 2720–2727, 2021—Cold (CWI) is regularly used by athletes as postexercise recovery strategy, but re...
دراین پایان نامه به طراحی و ساخت موتور (latm (limited angle tourqe motor می پردازیم نکات قابل توجه وبدیهی مراحل تهیه مواد و نحوه ساخت این نوع از موتور می باشد که در سه نوع مختلف ساخت و مورد بررسی قرار گرفته است.
Mathematical calculations of muscle forces often require an estimate of a given muscle’s capacity to generate force. A traditional way of expressing a muscle’s fora generating capacity is in terms of its ‘physiological cross-sectional area’ (degned by muscle volume or muscle mass divided by either gross musck length or muscle fiber length with or without accounting for pennation) (Brand et al.....
High-performance artificial muscle is always the pursuit of researchers for robotics. Herein, a bionic reported called “ExoMuscle” mimicking sarcomere in skeletal with bio-inspired structure to contract “myofilaments” enabling mimic architecture such as parallel, fusiform, convergent, and pennation beyond performance muscle. The actuators excel various aspects compared including actuation stres...
in this paper the effects of transmittance, dispersion angle and diffusion length on the quantum efficiency of solar cells (qesc) have been simulated and investigated. optical path technic is used for simulation. the results show that base thickness, diffusion length, dispersion angle, number of optical confinement path and transmission angles have an extremely effects on the qesc. simulation r...
purpose: to compare anterior segment and ocular biometric parameters of unaffected fellow eyes of patients with a previous attack of acute angle closure (aac), primary angle closure suspect (pacs) eyes, and normal eyes; and to assess the risk of developing aac in pacs. methods: in this prospective comparative observational case series, 16 unaffected fellow eyes of patients with a previous attac...
BACKGROUND Estimation of an individual muscle force still remains one of the main challenges in biomechanics. In this way, the present study aimed: (1) to determine whether an elastography technique called Supersonic Shear Imaging (SSI) could be used to estimate muscle force, (2) to compare this estimation to that one provided by surface electromyography (EMG), and (3) to determine the effect o...
BACKGROUND Retraction, atrophy and fatty infiltration are signs subsequent to chronic rotator cuff tendon tears. They are associated with an increased pennation angle and a shortening of the muscle fibers in series. These deleterious changes of the muscular architecture are not reversible with current repair techniques and are the main factors for failed rotator cuff tendon repair. Whereas fast...
INTRODUCTION The deformation of the muscle-tendon complex in response to forces depends on architectural design, tissue properties and activation patterns. In this study we derive a mathematical model of muscle which is amenable to finite element simulation, and which allows for flexible prescription of tissue properties and architecture. Architectural design within this model is characterized ...
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