Over-current protection: When the high-voltage output is short-circuited, the instrument should immediately cut off the output of the DC high-voltage generator . At the same time, the instrument should not be damaged (there is over-current protection, an…

LED lighting is rapidly growing due to product price decline, policy bullishness and lighting manufacturers. The mainland China has gradually banned the sale and import of incandescent lamps, and promoted LED lighting applications with policies to make the first quarter revenues of related…

The public has already decided to win the global championship, and the Chinese market is the top priority. According to a report released this month by the Volkswagen Group, the group will vigorously expand its product lineup in China. By 2018, it will sell more than 100 models in th…

A new study shows that the pigment on the eggshell is like a "sun cream", avoiding excessive UV damage to developing embryos. The egg shell thickness and pigmentation levels of wild birds depend on the sp…

At the beginning of August, the number of people coming and going in the Yuqiao used car market in Shanghai was not increasing.
A salesman of a 4S shop in Yuqiao told reporters that in the first half of the year, the trading situation of used cars was not good. "Now there a…

After the launch of the intelligent LED street lamp, it has received extensive attention in the market. Now many cities around the world are eager to try and adopt a large-scale intelligent LED street lamp system in the city. Wellington, the capital of New Zealand, is currently planning to beco…

1. Cherry is known as a treasure in wood. The wood is hard and shiny, pale yellow or light brown red, and the organization is fine and uniform. Although its wood grain characteristics are not as bright and dazzling as many tree species, the good painting properties of cherry wood cannot be surp…

On November 30th, 2012, in order to demonstrate the fuel-saving performance of the Renault's famous supporting power, the " Levon Loader - Weichai Power and Fuel Economy Experience Camp" jointly organized by Foton Lovol…

HFDT800 copper single-stage rails are made of oxygen-free copper rails, large current carrying capacity, low voltage drop, good wear-resisting copper, ensuring mobile guidance and effective service life, widely used in a variety of large-tonnage cranes, Cranes, loading and unloading cranes, co…