First, test items and technical requirements: l. Appearance inspection items are stipulated as eleven. Among them, eight are light defects and three are heavy defects. The items of light defects are: marking, printing, indentation lines, knife edges, box nails, bonding, twisting, and rolling cove ...more...

Wood veneers can be divided into two main types: One is natural veneer, which is the veneer obtained by rotary cutting or cutting wood. There is also a kind of science and wood, which is usually a thin wood obtained by bleaching and dyeing the fast-growing material and then ...more...

The overall style and concept of the home is the primary factor in determining the color of the floor. The deep-toned floor has a strong appeal and expressiveness, and its personality is distinctive. The light-tone floor is simple, fresh and elegant. In recent years, the demand ...more...

In the development of contactless IC cards, these problems are gradually solved and form a common standard, which is now in the design of RF IC cards, the International Organization for Standardization (ISO) and the International Electrotechnical Commission (IEC). The corresponding international st ...more...

Sports flooring is a special type of flooring. Due to its special use, it has stricter requirements on performance than ordinary household flooring. For example, it must have strong toughness, high wear resistance and good elasticity. This requires the use of excellent tree sp ...more...

Research on Power Supply Interference of Steel Bar Welding Production Workshop In the steel drum production workshop, due to the use of multiple spot welders, projection welders and seam welder equipment, there are often problems in the power supply fluctuations in the workshop and affecting the ...more...

Tester: Jie Jingjing from the club: San Fu outdoor In the era of increasingly specialized outdoor sports, choosing shoes has become a major compulsory course, because the array of outdoor sports shoes always gives people dazzling, nowhere to start feeling. But as long as you are good at screening t ...more...