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 Home > Popular Tags > Tag List E > engineer training jobs

engineer training jobs

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Aloe vera gel lyophilized powder processing technology and biological products lyophilizer

 Time of Update: 2022-09-07

engineer training jobs pest control products

Most of the aloe vera gel is heat-sensitive active substances, can not use the traditional drying method processing, so the use of biological products lyophilizer equipment, according to the aloe vera gel lyophilized powder processing technology, low temperature freezing and vacuum sublimation drying processing processing, can save the original active substances and nutrients unchanged, at room temperature preservation for several years.
Determination of multiple residues of organochlorine and pyrethroid pesticides in vegetables (1

 Time of Update: 2021-07-05

gas shelf life magnesium sulfate toxicity

2. Principles of trainingThe organochlorine and pyrethroid pesticides in the sample are extracted with organic solvents, and the interfering substances are removed by liquid-liquid distribution and chromatography.

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