Solution polymerization
Process features: (1) using high boiling point straight chain hydrocarbon as solvent, operating at a temperature higher than the melting point of polypropylene, all the polymers obtained are dissolved in the solvent and distributed uniformly; (2) high temperature gas extraction method is used [...]
Big Lafite Rothschild alias, genuine Rafi, Rafid, what we call genuine Rafi refers to the top products of Rafi Vineyard, is also on behalf of Rafi Vineyard wine, can also be called First Military Wine, Zhengjun Wine. The wine label is as follows. Let’s [...]
COM interface
COM interface, also known as serial port, is connected to the back of desktop computers, and is currently being eliminated. The advantages are low price, support for brushing (some mobile phones can only use serial port line); the disadvantages are that it is [...]
Vacuum plating is to deposit various kinds of metal and non-metal films on the surface of plastic parts by distillation or sputtering under vacuum conditions. In this way, very thin surface coating can be obtained. At the same time, it has the outstanding advantages [...]
The casual shirt is used to match the suit coat. There is no fixed rules for the use of fabrics. The style is unchanged or slightly changed on the basis of tradition, and the color and pattern are extremely free. Whether to wear a [...]
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 [...]
Duvel beer is the most famous beer in duvel brewery. As early as 1871, the first generation of the moorgat family began to brew beer with their perseverance, patience, love and exquisite craftsmanship.
Duvel is 100% natural beer. Do not add any additives and preservatives. [...]
Paper jam on gray base
Bleached chemical pulp is used for the surface layer, unbleached kraft pulp is used for the core layer and the bottom layer, ground wood pulp or clean waste paper is suitable for the color printing of high-grade cartons, so it [...]
White kraft paper
Specifications
Press kraft paper is mainly used in the press process of FPC, PCB, CCL and other industries. It plays the role of heat preservation, water absorption, pressure reduction, buffer, heat transfer and so on. It has a complete range of weights, providing [...]
Subsequently, with the development of the second industry, the number of white-collar workers increased, and the standard style of suits for gentlemen and business people was also determined. Shirts are gradually promoted with white as the center in matching suits and ties, and chemical [...]