classification
Kraft paper usually keeps its tan color, suitable for bags and wrapping paper. According to different properties and uses, kraft paper has different uses. Kraft paper is a general term for paper, which has no certain standard and is generally classified according to its [...]
This Beefeater 24 inherits the best quality and mellow taste of Beefeater, at the same time, it selects 12 kinds of natural plant raw materials, and adds Chinese green tea and Japanese fried tea raw materials for the first time, presenting unique, fragrant and [...]
4. Due to the smooth surface and poor ink absorption ability of the copper plate paper, when printing the field plate of large page, try to achieve “deep ink and thin printing”. That is to say, the ink color is properly adjusted, and the [...]
(1) drying process of ink
In tinplate printing production, ink drying is a complex physical and chemical reaction process. It is necessary to control the drying speed of ink reasonably and master the physical and chemical mechanism of ink drying, so as to effectively carry [...]
carton
Corrugated box is made of corrugated board. It is the most widely used paper container packaging and widely used in transportation packaging. Corrugated box is widely used because it has many unique advantages: ① good cushioning performance. ② light and firm. ③ small overall [...]
PP is a colorless, odorless, nontoxic and translucent solid substance. Polypropylene (PP) is a kind of thermoplastic synthetic resin with excellent properties. It is a colorless and translucent thermoplastic light general plastic. It has chemical resistance, heat resistance, electrical insulation, high-strength mechanical properties and [...]
Statement 1
Cocktails In 1777, Betsy Flanagan invented the American-style “cocktails”. Cocktails originated in a cocktail feather-decorated pub in Elmsford, New York, in 1776. One day, when all kinds of liquor were almost sold out in the pub, some officers came in to buy drinks. [...]
On November 10, 1847, founder J. C. Jacobson set up a factory in the suburb of Copenhagen to produce beer, and named it Carlsberg beer after his son Carl.
In 1876, Carlsberg beer was first exported to China.
In 1882, Carl Jacobson, the son of Founder [...]
Gas phase bulk method
Process features: (1) no solvent is introduced into the system, and propylene monomer is polymerized in gas phase in the reactor; (2) the process is short, the equipment is few, the production is safe, and the production cost is low; (3) [...]
RGB color mode is a kind of color standard in industry. It can get all kinds of colors through the change of red (R), green (g), blue (b) and their superposition. RGB represents the color of red, green and blue. This standard almost includes [...]