The business model is a popular vocabulary at the moment, and business people talk about business models. Everyone has a different understanding of the business model, and they can all be self-explanatory. The importance of business model in commercial operation is self-evident, but it is not ....

Overvoltage damage in UPS uninterruptible power supply: Overvoltage damage in UPS uninterruptible power supply: Methods for preventing overvoltage damage include: optimizing the process structure of the main circuit, reducing the parasitic inductance of the line by reducing the path of the large ....

Zinc air battery A zinc-air battery, which uses activated carbon to adsorb oxygen or pure oxygen in the air as a positive electrode active material, zinc as a negative electrode, and a primary battery using ammonium chloride or a caustic solution as an electrolyte. Also known as zinc oxide batter ....

　　 Lock market is fiercely waiting for opportunities 　　 Hardware locks are an important branch of the hardware market and the market is huge. There are only 600 million yuan in the electronic lock industry, but more than 3,000 companies are struggling among them, and the ....

China's cloud computing industry is about to usher in a golden opportunity for development. Recently, the Ministry of Industry and Information Technology has launched the “Thirteenth Five-Year Plan” for cloud computing and will focus on cultivating leading enterprises, exer ....

Melt extrusion includes extruders, melt metering pumps, melt filters, and static mixers. 1 melt extruder The crystallized and dried PET chips were fed into a single screw extruder for heat and melt plasticization. In order to ensure good plasticization of the PET chips and stable extrusion melt p ....

The force of steel pipe can only be called compressive bearing capacity, but can not be called compressive strength. The basic values ​​are: compressive strength of steel × pipe cross-sectional area, on this basis, to consider the overall stability factor of the compression ....