Electrochemical sensor "spring"

The development of electrochemical sensors has a long history. Its basic theory and technological development are closely related to electroanalytical chemistry. The earliest electrochemical sensors can be traced back to the 1950s and developed with the contin

Troubleshooting of 2X rotary vane vacuum pump

1, rotary vacuum pump vacuum is not high:

(1) If the pump temperature is too high, the sealing degree will drop. If the temperature of the pumped gas is high, the gas should be cooled before entering the rotary vane vacuum pump. If the external temper

Revised Rubber National Standard Startup

On November 17th, Jinan, Shandong Province experienced continuous rains and chills. At the working meeting of the expert group of the 16th member representative assembly of the Comprehensive Rubber Utilization Subcommittee of the China Rubber Industry Association, experts held a heated dis