Variant process

Such excellent or at least adequate capillary behaviour is also typical of the process variant known as eutectic bonding in which the transient creation of a liquid phase is caused by the interdiffusion of two chemically different metal alloy component materials. In the laboratory variant process known as partial transient liquid phase bonding, (Shalz et al. 1992), a coated interlayer is used for ceramic-ceramic or ceramic-metal joints. In this process the interlayer is a ductile metal or alloy whose surface is coated with a thin layer of a lower melting temperature metal or alloy, for example Ni-20Cr coated with 2 microns of Au. The bonding temperature is chosen so that only the coating melts and the ductility of the interlayer helps to accommodate mismatches in the coefficient of thermal expansion of the component materials. 

In some cases it may happen that, for the identified mutation peculiarities, the electropherogram results will be ambiguous or difficult to follow for the polymorphic position as it might be a mixture of two variants processed simultaneously. 

Tetrahymanol (99) shows a variant process whereby the carbonium ion from proton-initiated cyclisation of squalene (7) is quenched by the medium. Again... 

A variant process planning system includes the following functions ... 

Before the system can be of any use, coding, classification, family formation, rmd standard plan preparation must be completed. The effectiveness and performance of the variant process-planning system depends to a very large extent on the effort put forth at this stage. The preparatory stage is a very time-consuming process. 

Variant process-planning systems are relatively easy to build. However, several problems are associated with them ... 

Despite these problems, the variant approach is still an effective method, especially when the primary objective is to improve the current practice of process plamring. In most batch manufacturing industries, where similar components are produced repetitively, a variant system can improve the plamring efficiency dramatically. Some other advantages of variant process planning are ... 

Variable probability method (utility function assessment), 2193, 2194 Variable state activation theory (VSAT), 2209 Variable tasks, 740 Variance(s), 2367 homogeneity of, 2255 and hypothesis testing, 2249-2252 hypothesis testing for equality of means and, for k populations, 2255-2256 reduction of, 2492-2493 residual, 2270-2271 and testing for mean value, 2244-2249 Variant process-planning systems, 475-477 Variation, 1828-1855, 2266. See also Statistical process control (SPC) common vs. special causes of, 1828-1832 and improvement of quality, 1831-1832 in management of processes, 1830-1831 measurement, process tolerances vs., 1986-1987... 

As already mentioned, for conventional pultmsion the composite part must have constant cross-section throughout its length (c/. Section 9.4.1 for variant processes). The maximum width of conventional pultmded parts is about 1500 mm and the maximum height is 350 mm. Wall thickness tends to range... 

In general, the nonlinear time-variant process model and the nonlinear observation... 

Both hot topics are combined in this contribution the quantification of the structural robustness of reinforced concrete beams subjected to chloride-induced corrosion is discussed. Further, since corrosion is a time-variant process, the associated robustness index will be time-dependent. 

Fig. 46. - Practical cases of the course of equilibrium background, Xa,. and actual kinetic degree of traiisformalion, A (dashed), for the variant processes taking place during the tetragonal-cubic transformation of manganese spinels of the composition MnxFe3-s04 for the various levels of manganese content, see the inserted values,. t. in the region from 2.3 to 3.0.

For the process with the stable initial states, we can distinguish invariant process, where changes in sudden break from 0 to 1, while when the change proceeds gradually over a certain temperature interval, from T to Tp, we talk about the variant process ofa continual character. If the transformation consists of both the stepwise (invariant) and continuous (variant) changes, we deal with the so-called combined process [370]. It is necessary to stress out again that these three types of changes are valid only under ideal accession to phase transition whereas under real experimentai conditions a certain temperature... 

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