Maintenance and maintenance of cryogenic coolant circul…

The air-cooled low-temperature coolant circulation unit should be turned on to see if the steering of the fan is correct. If the forward rotation can be started, the reverse rotation indicates that the power supply wiring is reversed, and the phase sequence must be replaced be-----

Shanghai spot copper price trend 2016.1.29

Shanghai spot copper price trend 2016.1.29 Nano Coating features: Does not change the original texture; Has superior adhesive force and forms complete molecular structure on the surface; Excellent optical property, transparency and low viscosity; Extremely low surface tension -----

Top Ten Brands and Analysis of Motorcycle Anti-theft Lo…

[ Pacific Security Network News ] Motorcycle anti-theft locks are generally divided into three types of disc locks, wheel locks (commonly known as U-locks), and chain locks. The requirement for a good lock is to lock the overall anti-saw, anti-pliers, and anti-big hammer. Lock the key to prevent th-----

Plastic heat resistance index and classification summar…

One of the disadvantages of plastics compared to traditional materials such as metal, glass, and ceramics is that heat resistance is not high, which often limits their use in high temperature applications. In plastic materials, different types of plastics have different heat resistance; some have l-----

Goldman Sachs: China's Iron Ore Speculation Trading…

Goldman Sachs expressed concern about the surge in speculative trading of iron ore in China, saying that the current daily volume is too large and sometimes even exceeds annual imports. According to Bloomberg News, according to reports released by Goldman Sachs analysts Matthew Ross and J-----

Renovation methods and precautions for the kitchen rest…

Nowadays the open kitchen is popular, but the open style seems to be unable to avoid fumes. The partition is a good solution. The kitchen and the restaurant are smartly used to separate the two, so that you can guarantee the space effect of the kitchen. At the same time, soot can also be avoided. -----

What are the common methods of installing windows and d…

Doors and windows are the passage connecting the room with the outside world, so the installation quality problem needs to pay attention to it. The acceptance after the installation of the doors and windows is also very important. It can be judged through the inspection of the appearance, borders,-----