Speed, degradation process

From a dynamic response standpoint, the electronic adjustable-speed pump has a dynamic characteristic that is more suitable in process control applications than those characteristics of control valves. The small amplitude response of an adjustable-speed pump does not contain the dead band or the dead time commonly found in the small amplitude response of the control valve. Nonlinearities associated with friction in the valve and discontinuities in the pneumatic portion of the control valve instrumentation are not present with electronic variable-speed drive technology. As a result, process control with the adjustable-speed pump does not exhibit limit cycles, problems related to low controller gain, and generally degraded process loop performance caused by control valve nonlinearities. 

Coir. Coir is a valuable and versatile fiber derived from the coconut husk. The best quality coir is produced from green coconut, which is more difficult to harvest and has a lower copra yield than more mature coconut. The amount of copra and the quantity of coir produced are inversely related (61). Husks must be retted to manufacture coir. This process involves holding the husks under water, away from air, with mud and leaves for a period of a few months to a year. Fermentation is accomplished by short rod bacteria such as Pseudomonas, Rerobacter, and Bacillus. The microbial process is a polyphenolic degradation in which the pectic substances are decomposed. Slow moving and slightly saline water in a natural source speeds the process and produces a better quality fiber (66). 

Principia Partners, 1, 2, 44, 45 Procell, 58, 60, 110, 311, 587 Processability, 61 Processing speed, 50 Processing window, 660, 664 Product crumbling, 496, 567 Product failure, 496 Product property, 226 Progressive degradation, 502 Propagation of free radicals, 208 Propioconazole, 416 Propylene plastics, 68 PVC-based boards, 36... 

Diptera occur in soil mostly at their larval stages, only rarely as an adult insect, which is usually without wings. Their larvae require quite a lot of moisture, some are able to burrow in the soil, but usually they use already existing tunnels and holes. They eat living and dead plants, residues of animals, excreta, fungi, etc. Some species are parasites on worms, molluscs or another insect. Their major effect on soil consists in speeding up degradation processes and the support of humus formation. 

Many secondary degradation processes of organic materials following the primary photochemical step depend on the temperature. The speed of a degradation reaction usually... 

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