In 2010, the refining industry added more than 90 million tons of crude oil processing capacity, while eliminating inefficient refining capacity of about 20 million tons. This is the content of the “Special Plan for the Medium and Long-term Development of the Refining Industry†ann.......
Toxic gas alarms use electrochemical sensors and semiconductor sensors, with the exception of carbon dioxide. Carbon dioxide uses infrared sensors. Many customers often ask at the time of purchase whether multiple toxic gases are detected by a toxic gas alarm? Actually not. Although there are.......
The IP network broadcast intercom system is based on the TCP / IP network communication protocol and digital audio technology. After the audio signal of the communication initiator is digitally sampled and encoded, it is transmitted to the receiver in the form of data packets.......
1, the choice of measuring tools 1) Selection of 0 ~ 25mm diameter micrometer. Before use, clean the two measuring surfaces of the micrometer with a clean soft cloth and check the zero position of the micrometer.
2) The measured lead should be placed in the middle of the me.......
2) The measured lead should be placed in the middle of the me.......
In recent years, due to the influence of human cost and population structure, the robotics industry in Asia has grown rapidly and China has become the world's largest robot market. According to the International Robot Federation (IFR), 1.7 million new industrial robots will be applied to fa.......
On the evening of March 19, an explosion occurred in a tanker truck on the Hunan section of the Beijing-Hong Kong-Macao highway, causing five deaths and 21 injuries. Also in Ma.......
After the international financial crisis in 2008, global manufacturing growth slowed significantly. However, under the overall low growth, the situation in different countries has been divided. The growth rate of manufacturing industries in developed economies fell sharply compared with that be.......
Organizing Committee News: The 8th Western China (Chengdu) International Chemical Technology Equipment Exhibition will be held on September 25-27, 2014 at the New International Convention and Exhibition Center in Chengdu Cent.......
On November 25th, at the 2018 Chinese Academy of Chinese Medicine Science and Technology Awards Conference, Zhongzhi Pharmaceutical won the first prize of Science and Technology Award for “Key Technology Research and Industrial Application of Innovation and Development of Chinese Medicine.......
The market is quietly changing. In the narrow range of the index, stocks are extremely active. In particular, some of the up-front funds are involved in obvious stocks. Once they have been fully accumulating, their outbreaks are quite large. If you use some of these themes, It.......