Analysis of 39 test points of relevant specialized knowledge 1, in general, a drug can be prepared in a variety of dosage forms, the same pharmacologi…
Is soy sauce full of “technology and hard work”? Is “0 additives” really better? Recently, the field of food safety “sto…
Paper towel a suck will fade, this drink can still drink? Recently, a video titled “Drinks will fade when stirred by paper towels” caused …
Introduction to the use of water-based color paste! I. Introduction of water-based color paste Water-based color paste refers to organic or inorganic …
Paste color mixing tips and techniques The following text will mainly talk about the essentials of color mixing for hedonic colors (complementary colo…
Color Paste Application FAQ!!! 1 The color paste is added into the paint, the color floats on the surface. Reason (1) The difference in surface tensio…
How to distinguish between color paste, color essence, color masterbatch, pigments Color paste, as the name suggests, is a pigment concentrated pulp, …
Analysis of 200 test questions on related specialized knowledge 1, in general, a drug can be prepared in a variety of dosage forms, the same pharmacol…
Exploration of eggshell color traits in brown eggshells The epithelial tissue cells of the eggshell gland mucosa of the hen’s uterus undergo a s…
What is the migration resistance of pigments in plastics? How is it tested? The dispersion of pigments is important for coloring plastics. The most im…
Uncovering the role of elastic waterproofing interfacial agent in plastering gypsum 1 Types of interface agent Interfacial agent is a general term for…
What are the uses of flexible and rigid polyurethane foam? Polyurethane rigid foam is a high polymer made of isocyanate and polyether as the main raw …
