Analysis of 200 test questions of Guanye knowledge​1. Generally speaking, a drug can be prepared in multiple dosage forms with the same pharmacological effect, but the route of administration

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How to distinguish color paste, color essence, color masterbatch, and pigment color paste, as the name implies, it is a kind of pigment concentrate, which uses different pigments to

Frequently asked questions about color paste application! ! ! 1 The color paste is added to the paint, and the color floats on the surface Reason 1) The difference in surface tension between the color paste and the paint is too large

The essentials and skills of color paste coloring The following text will mainly talk about the essentials of color matching (complementary color)! If the chroma is different when toning, it should be

Introduction to the use of water-based color paste! 1. Introduction to water-based color paste Water-based color paste refers to the wetting and dispersion of organic or inorganic pigments in surfactants

The paper towel fades as soon as it is sucked, can this drink still drink? Recently, a video titled “Beverages will fade when stirred with paper towels” has attracted attention on the Internet.

Soy sauce is full of “technology and hard work”? Is “0 added” really better? Recently, there has been a “resurgence” in the field of food safety, a series of crackdowns

Analysis of 39 test points of relevant professional knowledge 1. Generally speaking, a drug can be prepared in multiple dosage forms with the same pharmacological effect, but the route of administration

Relevant professional knowledge 39-100 test points analysis 40. The targeting of pharmaceutical preparations can be determined by the relative uptake rate (re), targeting efficiency

The application of solvent-based oil-based colorants and the coloring method of paint colorants Generally, synthetic resins are used as carriers for solvent-based oil-based general-purpose colorants, such as