1, structural framework As the strand relaxation test belongs to a long-term load test, the usual test time is more than 100 hours. In the long test process, the whole test machine is under stress, if the test machine itself If the strength is not enough, the relaxation phenomenon of the tester i
March 9, 2018, SCR system maintenance and technical training Nanjing market-cum-investment projects started filling station will be held as scheduled, in Nanjing agents and customers gathered at a tissue of KLS. Qin Jian, general manager, said that the purpose of this meeting is to hope tha
China Electronics Industry Standardization Technical Association Automotive Electronic Standards Work Committee (hereinafter referred to as "Standard Work Committee") was established in Shanghai recently. Experts in the industry pointed out that the establishment of the Automotive
The rough selection of antimony ore beneficiation is generally carried out by re-election method. The selection is by re-election, flotation, electromagnetic selection or combined metallurgy. It is used to treat ore with a large content of fine ore or raw mud. efficient grinding and classification
The failure of the engine is generally caused by wear. The friction consumption is generally caused by friction. It is the dream of every mechanical engineer to protect the engine forever. It is also the top research topic for a long time, and the engine protection agent can
Both the soil moisture temperature measuring instrument and the soil moisture monitoring system belong to soil testing instruments and are used for soil moisture testing. Soil moisture is the main source of plant moisture. Soil moisture affects the transport of nutrients, photosynthesis