Titlebook: Handbook of Downstream Processing; Elliott Goldberg (Director of Process Engineering) Book 1997 Chapman & Hall 1997 Downstream Processing.

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https://doi.org/10.1007/978-3-662-40061-6on of a molecule results in an amorphous solid that is of low purity relative to a product obtained by crystallization. Precipitation is best utilized as a means of product isolation; whereas, crystallization may be an effective polishing step that provides a product of high purity. As in any unit o

熄滅

Heinrich Siepmann,Herwig Schenkdrying. A simple definition of lyophilization is that it is a means of drying, achieved by freezing the wet substance and causing the ice to sublime directly to vapor by exposing it to a low partial pressure of water vapor. In this context, ‘low’ means below about 6 mb (4.6 mmHg) — the triple point

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Untersuchungen über Bolzenschwei?verfahren this definition, sterility is an absolute concept, in industrial practice sterilization is often referred to as the process through which the probability of survival of undesired organisms is reduced to an arbitrarily low level. Typically this level is so low that the chance that even one organism

背心

https://doi.org/10.1007/978-3-663-05032-2 manufacturing process. In the 1940s and early 1950s, control systems were predominantly mechanical and pneumatic, with large case instruments that measured about 36 × 46 cm (14″ × 18″ approx.) in size. These instruments were often mounted directly at the sensing point scattered locally throughout t

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https://doi.org/10.1007/978-3-663-05033-9oduce the process to those not familiar with the subject. There are several in-depth papers and articles which can provide more information on the technical nature of the various tests. The standards referenced in this chapter also provide valuable insight to the actual testing equipment, procedures