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Shaping mechanically

A small lead jar is excellent for preparing the solution. By the use of a lead stirrer of the usual shape, mechanical stirring may be used. The stirrer should be thrust through a hole in a lead cover of sufficient size to prevent splashing of the hydrofluoric acid. [Pg.22]

LINEWIDTH CONTROL Lens imperfections Source stability Mask dimensions Beam shape Mechanical stability Developing Etching Baking Plasma descum Film thickness Film uniformity Swelling... [Pg.165]

One of the most widespread tourist behaviour shaping mechanisms is that of visitor education. While all of the preceding mechanisms are important, and some (such as infrastructure design), apply to both the tourism industry and the tourist, education and its corollary in the tourism context interpretation is a major dimension shaping tourist on-site behaviour. [Pg.150]

They are subject to the effects of hysteresis, or, rather, the tendency of materials to remember distortions and not return to their original shapes (mechanical gauges with glass distortion membranes will not have symptoms of hysteresis). Hysteresis of vacuum gauges can be diagnosed by the following symptoms ... [Pg.405]

The pore size distribution is the distribution of pore volume with respect to pore size. The computation of pore size distribution involves a number of assumptions (pore shape, mechanism of pore filling, validity of Kelvin equation etc.)... [Pg.528]

Particle characteristics Size, size distribution, shape, mechanical properties, surface chemistry, dispersion stability, concentration, agglomeration, and oversize particle count... [Pg.59]

The vinyl acetate content of such materials ranges between 3 and 40%, and the copolymers are more soluble and pliable than poly(vinyl chloride) homopolymer. They can be shaped mechanically at lower temperatures than homopolymers with the same degree of polymerization and are used mainly in surface coatings and products where exceptional flow and reproduction of details of a mold surface are needed. [Pg.17]

No. Reaction conditon Phase Macro- shape Mechanical strength(Pa/m )... [Pg.884]

Poon, P. (2011). Major strategies in shaping Mechanical Engineering Education. 2011 International Leadership Summit on Mechanical/Multi-disciplinary Engineering Education. Hong Kong, 26-29 September. [Pg.120]

It is also important to consider that the color of a material affects its absorption of infrared radiation when the material is exposed to sun radiation. Figure 3.23 shows that the darker the color the more extensive the absorption and the higher the temperature. The temperature of products has many further implications on its performance, such as degradation, flexibility, change of shape, mechanical strength, creep, chemical resistance, etc. [Pg.57]

Figure 4.8 shows the classification. The causal factors in acddents can be divided into three general categories (1) the controller operation, (2) the behavior of actuators and controlled processes, and (3) communication and coordination among controllers and decision makers. When humans are involved in the control structure, context and behavior-shaping mechanisms also play an important role in causality. [Pg.92]

A physical approach to biomaterial design is a recent effort that comes from recognizing that biological functions arise from physical attributes such as size and shape, mechanical... [Pg.807]

As reported before [65,66,67,68,69], when designing a swimming device, there are two paramount factors to consider (i) the shape, mechanical properties and the locations of propulsors/fins on the device and (ii) their movement pattern. Fish is a good example to... [Pg.219]

The control of drug release from the nanoparticles and their biodistribution as well as their ability to deliver nondiffusible compounds intracellularly is dependent on size, shape, mechanical property, and surface chemistry of the particles. Utilization of biodegradable polymers and surface functionalization of the nanoparticles has allowed selective delivery of therapeutic or diagnostic agents to the disease tissues and cells resulting in increased therapeutic activity and reduced toxicity (Couvreur, 2013). [Pg.115]


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See also in sourсe #XX -- [ Pg.498 ]




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