Motion repetition

Force Forceful exertions and motions Repetitive exertions Sustained exertions... [Pg.1086]

Joint angle Extreme postures and motions Repetitive motions Sustained postures... [Pg.1086]

The microcanonical ensemble is a certain model for the repetition of experiments in every repetition, the system has exactly the same energy, Wand F but otherwise there is no experimental control over its microstate. Because the microcanonical ensemble distribution depends only on the total energy, which is a constant of motion, it is time independent and mean values calculated with it are also time independent. This is as it should be for an equilibrium system. Besides the ensemble average value (il), another coimnonly used average is the most probable value, which is the value of tS(p, q) that is possessed by the largest number of systems in the ensemble. The ensemble average and the most probable value are nearly equal if the mean square fluctuation is small, i.e. if... [Pg.387]

The mbbiag of the two surfaces aeed aot be a coatiauous, repetitive motion. Actioas as simple as walking across a room or sitting ia a chair can generate a static charge. [Pg.287]

Is the employee required to make movements that eould lead to or eause hand or foot injuries, strain from lifting, or repetitive motion injuries ... [Pg.48]

Human factors Human factors considerations can be expanded to include those of interest to industrial hygiene, such as repetitive motion... [Pg.191]

Stretching vibration (Section 13.20) A regular, repetitive motion of two atoms or groups along the bond that connects them. [Pg.1294]

Stress lifestyle modifications for rehabilitation and prevention. Recommend strength training, range-of-motion exercises, and a warm-up period before exercise. In repetitive-motion injury, recommend methods to correct biomechanical abnormalities and vary work tasks as applicable. Refer to a physical therapist or sports trainer as needed. [Pg.908]

Calling hydrogen the "comet" of the chemical universe 13 was laden with levels of meaning for a new mechanistic chemistry. The metaphor expressed a hypothesis that hydrogen is a finite particle, that it is in continuous and repetitive motion within a dynamic molecule, and that the gravitational analogy for chemical affinity is an apt one. [Pg.285]

Consider a diatomic chain in which the atoms, of distinct masses mi and m2, are positioned at distance a (figure 3.6). The repetition distance of the chain is 2a, and the Brillouin zone falls between —irlla and i lla. If only the interactions between first neighbors are significant, the equation of motion for atom r at position ja is given by... [Pg.137]

There is a special and very important feature of the anticipated open nido twelve-vertex structures in Fig. 12 repetition of single Lipscomb dsd rearrangements (denoted by the two-headed arrows) monotonically allows the six skeletal atoms about the open face to rotate about the second tier of five skeletal atoms (two-tier dsd rotation). Each dsd rearrangement [85, 163) (valence bond tautomerism) recreates the same configuration and involves only the motion of two skeletal atoms (in the ball-and-stick representation) and would allow carbons, if located in different tiers, to migrate apart. Such wholesale valence bond tautomerism is known to accompany the presence of seven-coordinate BH groups, e.g., and CBjoHu 142,155). [Pg.114]

The number of times that an event or a periodic function repeats during a unit value of an independent variable, usually time. 2. For any periodic motion, the frequency, symbolized by r, is the number of repetitions (e.g., number of revolutions or cycles or oscillations of an electromagnetic wave) of some process occurring in a unit period of time. The SI unit for frequency, reciprocal second, is often referred to as a hertz (Hz). However, the term hertz should only be used in reference to cycles per second and not for radial (circular) frequency or angular velocity symbolized by (p (= 2777 ) and having SI units of rad-s h... [Pg.298]

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