نتایج جستجو برای: including off center of gravity
تعداد نتایج: 21216027 فیلتر نتایج به سال:
Background and Aim: Wearing high-heeled shoes increases the height of the center of gravity and takes the line of gravity away from the center of the base of support. This may result in the loss of body balance. In this study the effect of 3 heel heights on the static and dynamic postural stability in healthy young women was investigated. Materials and Methods: In this cross-over quasi-experim...
learning a second or foreign language requires the manipulation of four main skills, namely, listening, reading, speaking, and writing which lead to effective communication. it is obvious that vocabulary is an indispensible part of any communication, so without a vocabulary, no meaningful communication can take place and meaningful communication relies heavily on vocabulary. one fundamental fac...
we have two part in this thesis, at first: the interaction of native calf thymus dna (ct-dna) with two anthraquinones including quinizarin (1,4- dihydroxy anthraquinone) and danthron (1,8- dihydroxy anthraquinone) in a mixture of 0.04 m brittone-robinson buffer and 50% of ethanol were studied at physiological ph by uv-vis absorption, florescence, circular dichroism spectroscopic methods, viscos...
AUSTRACT: T o reduce the roinplex walking dynamics of a biped, we note a particular class of trajectories that is derived by application of gravity compensation to an ideal biped model. The trajectories have following properties: (a) the center of gravity of the body moves horizontally, and (b) the horizontal motion of the center of gravity can be expressed by a simple linear differential equat...
Gravity balancing is often used in industrial machines to decrease the required actuator efforts during motion. In the literature, a number of methods have been proposed for gravity balancing that include counterweights, springs, and auxiliary parallelograms that determine the center of mass. This paper describes the underlying theory of gravity balanced spatial robotic manipulators through a h...
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