The "Liaoning Province Chinese Medicinal Materials Standards" contained a total of 55 varieties of Chinese herbal medicines, mostly pharmaceutical production enterprises in Liaoning Province, and the main raw materials used in the medical institutions' unique Chinese medicine preparation varieties. All the collected varieties were subjected to quality standard drafting experiments. , review, text and maps and other experimental research and finishing work. More than 95% of the standards have developed specific identification, inspection, extraction items, 30% of the species have established content determination items, all varieties of original plants (animals) Color pictures, together with microscopic color spectra, chromatograms of content determination, and illustrations, fully embody the latest achievements and development directions of the study of Chinese herbal medicines in Liaoning Province.
KN95 Masks are anti-virus. KN95 masks are similar to N95 masks, except that one is a Chinese standard and the other is an American standard.
If there are two numbers of 95, it means that the protective ability of this mask is above 95%. That is to say, for tiny substances larger than 0.3 micrometers, the mask has a defensive ability of more than 95%, and it can block tiny substances larger than 0.3 micrometers outside the mask. Viruses and bacteria are generally larger than 0.7 micrometers. Therefore, using a mask such as KN95 can effectively protect against viruses.
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The standard of Chinese herbal medicines in Liaoning Province was implemented on September 1 this year
The first volume (2009 edition) of "Liaoning Province Chinese Medicinal Materials Standards" has been completed by the Liaoning Provincial Committee of Chinese Medicinal Materials Standards Preparation and will be implemented on September 1 this year to provide technical basis for the production, management, inspection and supervision of pharmaceuticals in Liaoning Province.