Keeping warm and keeping cold
Thermal insulation is the most basic function of thermal insulation package. It is a special bag with short-term thermal insulation effect. It can keep cold/heat. The product thermal insulation layer is Pearl cotton+aluminum foil tinfoil, which can provide good thermal [...]
Ink classification
The drying of one component ink (also called solvent volatile ink) depends on solvent volatilization. This ink does not have to be added with catalyst. There are two kinds of one component inks: glossy and non glossy. They are mainly used for printing [...]
After recognizing the importance of sports socks and the situation of choosing different sports socks for different sports events, before purchasing, understand the material composition of sports socks, different materials will solve different problems, we must choose the one that is ultimately suitable for [...]
The ball of the pen head used is mostly made of stainless steel or cemented carbide. The size of ball diameter determines the size of handwriting lines. Common ball diameters are 1 mm, 0.7 mm and 0.5 mm (the body or core of the [...]
You can see that there are too many phosphors added, which should be pure and unsightly white.
Striped shirt
Generally speaking, as long as the distance between lines is not too large and the lines are not too thick, it is acceptable and the safest stripe [...]
The blank of semi porcelain is close to that of porcelain, but it still has 3-5% water absorption after firing (true porcelain, water absorption is below 0.5%), so its performance is not as good as that of porcelain, which is better than that of [...]
France
In France, most adults go to church for midnight mass on Christmas Eve. After that, the family will go to the home of the oldest married brother or sister for dinner. In this meeting, we discussed the important matters at home, but in case [...]
Process features: (1) no solvent is added in the system, propylene monomer is polymerized in liquid phase in the kettle reactor, and ethylene propylene is polymerized in gas phase in the fluidized bed reactor; (2) simple process, less equipment, less investment, low power consumption [...]
Offset paper and use. Offset paper, also known as offset printing paper, is a kind of relatively high-grade printing paper, which is generally used for offset printing machine for book or color printing. Offset paper is divided into single-sided offset paper and double-sided offset [...]
Pouring procedure: If the wine is sealed with cork, after opening the bottle, the owner should first be in his own cup.
Pour a little, taste if there is bad cork taste, if the taste is not pure, it should be replaced by another bottle. [...]
