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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

The working principle and selection method of dispersant Explain in detail what a dispersant is – it can make the solid particles in the solid-liquid suspension stably disperse in the medium

Anthocyanins​—what the hell is it? Anthocyanidins, also known as anthocyanins, are natural

Introductory coloring skills and selection of color paste Water-based color paste refers to the formation of organic and inorganic pigments and surfactants dispersed in water-based media and pulverized

The organic bismuth catalyst of bismuth isooctanoate is mainly bismuth carboxylate, especially bismuth isooctanoate. Bismuth isooctanoate, also known as bismuth tris(2-ethylhexanoate). Britain

Composition and Application of Two-Component Polyurethane Adhesive