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Aries , motion

Fig. 8 Typical current transients produced by motion of (i)(a) electrons, (b) holes through an undeformed anthracene crystal (ii)(a) electrons, (b) holes through a deformed anthracene crystal. All measurements at room temperature following electron beam irradiation with in (i) F = 5.8 x 105 V m-1 and crystal thickness 1.72 mm and in (ii) F = 5 x 105 V m with crystal thickness 1.04 mm. (After Aris et al., 1973)... Fig. 8 Typical current transients produced by motion of (i)(a) electrons, (b) holes through an undeformed anthracene crystal (ii)(a) electrons, (b) holes through a deformed anthracene crystal. All measurements at room temperature following electron beam irradiation with in (i) F = 5.8 x 105 V m-1 and crystal thickness 1.72 mm and in (ii) F = 5 x 105 V m with crystal thickness 1.04 mm. (After Aris et al., 1973)...
Aries the Ram (March 20 to April 18), the sign of cardinal fire. It s impulsive, daring, and gifted at setting things into motion. [Pg.42]

III. I. A certain degree of heat is necefl ary to mufcular motion, and is, in confequence, efiential to life. This is obferved in thofe animals and infefts which pafs the cold feafon in a torpid ftate, and which revive on being warmed by the fire. This jueceflary ftimulus of heat has two fources one from the fluid... [Pg.333]

Some films are clearly character driven. Daughter from Danang, for example, is driven by the wants of its main character, Heidi Bub, who was born in Vietnam and given up for adoption. Raised in Tennessee and taught to deny her Asian heritage. Bub is now estranged from her adoptive mother. She sets the events of the film in motion when she decides to reunite with her birth mother. Similarly, in Waltz with Bashir, Israeli filmmaker Ari Folman sets events in motion when he decides to look back at a past he cannot remember. [Pg.20]

Recall the matrix equations of the BEE and how the boundary conditions are imposed on the system. The imposition of such boundary conditions requires, at aU points of the defined boimd-ary, the definition of one and only one of the couples (m , O or at least a combination of the two. When the motion of a particle in the fluid is considered neither the velocity components, nor the traction components, nor a combination of the two is known at a given element m. Rather, it is known that since the particle moves freely (e.g., free of forces), the net force over the surface will be zero. Also, the motion is a rigid body motion therefore, all points on the particle surface wiU have a velocity that can be expressed as Ui = u - + corii. [Pg.208]

The. motion equation of gel (as an elastic motion) (Equation 22.1 in Landau and Lifshitz, 1987) comprises an additional term owing to the friction forces ari.sing when liquid moves over the elements of a polymer framework (Tanaka et al., 1973)... [Pg.409]

Keeping in mind that our aim is to describe the mechanical behaviour of a piezoelectric element we start by using the model of an ideal elastic material. The basic property of this model is that the Cauchy stress tensor at an arbitrary material poirrt at a certain moment depends only on the deformation gradierrt at this same poirrt at the same moment. This implies that a rigid body motion cannot produce ary stresses. It is also presupposed that the elastic properties of the rtraterial are irrde-pendent of time. Therefore, the stresses are independent of the strairring rate as well as of previous treatment, in short of the history of the rrraterial. [Pg.43]

Thus, on the basis of the analysis set forth above it is possible to assert that decrease in general efficiency of a dust separation at excess of boimd-ary concentration of slurry is cormected about all by decreasing ability of system to detain small corpuscles. Especially it touches badly moistened corpuscles. It coincides with a h othesis about updating of an interphase surface. Updating of an interphase surface can be cormected also with difficulties of motion of the settled corpuscles of a dust deep into liquids, for example, with viscosity of mediirm. [Pg.110]

The chain stitch, also known as the Ari stitch, is similar to crochet and is generally used for kettle and moss embroidery. Moss embroidery machines are built differently than traditional embroidery machines however, they use a similar embroidery technique. Moss embroidery is created by a one-thread system. In this system, the needle goes through the carrier material and pulls the thread out from under the needle, plate side up (Figure 7.6). Then, a loop is created by a rotary motion of the needle on the upper side of the carrier material. Repeating this pattern frequently produces a mosslike surface. [Pg.138]

According to the second law of thermodynamics, ary spontaneous process in an isolated system out of equilibrium will lead to an increase in the errtropy inside that system. In spite of the general validity of the second law, we have yet to fully rmderstand the problem of irreversible time evolution. Of course. Brownian motion theory does provide some insight into the direction that might be pursued in seeking answers to this problerrr. The most impor-tarrt idea to emerge from Brownian motion theory is the notion that dissipative or irreversible behavior arises from spontaneous equilibrium fluctuations. [Pg.262]

Shahinpoor [930], working at the "Artificial Muscles Research Institute", University of New Mexico, Albuquerque, NM, USA, fabricated devices for a wide variety of applications based on electrochemomechanical principles, from ion conducting polymers (not CPs). These polymers included poly(acrylic acid-bisacrylamide) (PAAM), poly(2-acrylamido-2-methylpropanesulfonic acid (Poly(AMPS)), and polyacrylonitrile (PAN). While these are not CPs, Shahinpoor also indicated that similar action could be expected, with minor modifications, from CPs such as poly (ary lene vinylenes) and poly(thienylene vinylenes). Shahinpoor typically used a metal (e.g. Pt) + ion conductive polymer composite in place of the customary bilayers. Some of the applications envisioned, or demonstrated for ion conductive polymers, included microactuators, motion sensors, accelerometers, oscillating artificial muscles, inchworms, cardiac>circulation assistants, noiseless propulsion swimming robots for military applications, fully constituted contractile artificial muscles, miniature flying machines, and electrically controllable adaptive optical lenses (Fig. 21-51. The potential military applications of these have fueled much interest recently [931]. [Pg.569]


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See also in sourсe #XX -- [ Pg.281 ]




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