1, although the supermarket shelves have done a surface treatment, but in the use of the process should also pay attention to moisture, the shelves need to use a rag to clean after the damp, to avoid rust, especially need to pay attention to the location of the shelf interface, it is easier to rust
ã€Key Words】: Pumps, Valves, Compressors and Similar Machinery Manufacturing Enterprises Core Competitiveness Analysis Report ã€Publication Date】: February 2009 ã€Number of Pages】: Pages ã€Report】: ã€Delivery Time】: 5 Working days [report
The design of the magnetic lock (or electromagnetic lock) is the same as the electromagnet, which uses the principle of electromagnetism. When the current passes through the silicon steel sheet, the electromagnetic lock will produce a strong suction force and tightly attract the iron plate to achie
Surface roughness versus grinder surface roughness refers to the small pitch and small peak-to-valley unevenness of the machined surface. The distance (wavelength) between the two peaks or two valleys is small (below 1 mm), which is indistinguishable from the naked eye, so it is a microscopic geom
After the insecticide is used, it must enter the pest to reach the action site of the insecticide before it can exert its insecticidal effect. But the way different pesticides reach the body of the pest is different. Therefore, only by fully understanding the pest's own ch
The stagnation of the power system reform has signaled a renewed start. This time, Russia's experience in electricity reform may become a booster. Not long ago, a forum on the reform of the Russian power system was held at the State Electricity Regulatory Commission in Beijing. The relevant
1. Design fee. Many decoration companies claim to be free designs. It is recommended that such decoration companies be cautious. Design is also a kind of service. If there is no charge, the enthusiasm of the designer cannot be mobilized. The follow-up of design quality and design cannot be guarant
Recently, the “Feasibility Study Report on 5,000 Titanium and Titanium Alloy Casting Project†of Qinghai Hydropower Group passed the national review. According to the " 5,000 tons of titanium and titanium alloys project feasibility study report" planning, this project will in