According to foreign media reports, researchers at the National Laboratory of Albuquerque Sandia, New Mexico, developed a new wear-resistant material consisting of 90% ...
Recently, the Ministry of Industry and Information Technology released Document No. 23 of 2018, approving 594 industry standards and 63 industrial measurement technical specifications. Among them, the four valve industry...
First, DN (Nominal Diameter) means the nominal diameter of the pipe, which is the average of the outside diameter and inside diameter. The value of DN = value of De - 0.5 * tube wall thickness. Note: This is ...
In the recent survey and research activities conducted by the Municipal Science and Technology Bureau, the issue of scientific and technological innovation of enterprises has become the focus of researchers. This year, the Municipal Science and ...
[China Chemical Instrument Network Policy and Regulations] The construction of the automatic surface water monitoring station is still underway. However, the groundwater monitoring project has reached an important stage of maintenance. According...
[China Chemical Instrument Network Policy and Regulations] The construction of the automatic surface water monitoring station is still underway. However, the groundwater monitoring project has reached an important stage of maintenance. According...
Liu Zhenjiang, secretary of the China Iron and Steel Association Party Committee and Secretary General, said at the press conference of the China Steel ...