Determining gaseous metabolites and prods. in (bio)chemical processes - by measuring vol. changes caused by variation in internal pressure, opt. with selective absorption of partic. components, e.g. for monitoring water denitrification
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SAMPLING DEVICE FOR SAMPLES, ESPECIALLY FROM A FLOWING LIQUID
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Procedure and appts. for recovery of liposome(s) from lipid soln. - in which positive displacement pump is used to pass soln. through filter elements of increasing size
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Microscope incubator - with transparent lid over petri dish heated by warm air circulation
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Sample extractor with automatic self-emptying - has closure head at base simultaneously serving as holder
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Method and apparatus for determining the ammonium nitrogen content in aqueous systems
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DEVICE FOR TAKING LIQUID SAMPLES
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Process and apparatus for the rapid determination of pollutants in waters
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Apparatus for the nondetrimental collection of liquid samples over large distances and from great depths
