On the Cognitive Value of Fire and Fire Chemical Techno…

Understanding of the Value of the Invention of Fire and Fire Chemistry by the Ancients Liao Zhengheng (Institute of Dialectics of Natural Science, Liaoning Normal University, Dalian 116029, China) and the value of the chemical technology of fire to trace the origins of ancient mythology, philosoph

How to solve the common faults of electronic patrol?

1, stainless steel waterproof patrol fault processing: 1) Inspector does not work First check whether the battery is in poor contact. Otherwise, the battery power may be insufficient and the battery needs to be charged. If you ignore the low-voltage indication and continue to use it, it will be

How to solve the common faults of electronic patrol?

1, stainless steel waterproof patrol fault processing: 1) Inspector does not work First check whether the battery is in poor contact. Otherwise, the battery power may be insufficient and the battery needs to be charged. If you ignore the low-voltage indication and continue to use it, it will be

Screw assembly and anti-loose technology

Technical exchange screw assembly and anti-loose technology bookmark0 Aerospace Science and Industry Group Third Institute Research Institute Zhao Yunqi Li Jinping Chengzhong has a large proportion. During the assembly process, the problem of threaded fasteners or connectors failing due to excessiv

Pipeline pump Buying Raiders: Pipeline pump motor burne…

Some pump users in the pipeline for some time and found that there will be pipe pump motor burned situation occurs, then the pipe pump motor burned what is the reason, but also how to troubleshoot this issue Xiaobian from the pipeline Analysis of the reasons for the burning of the pump and solutio

Fingerprint recognition and vein recognition knowledge!

The evaluation criteria of fingerprint identification technology are mainly FTT, FRR, FAR, and EER. Although many vendors of fingerprint verification technology, they generally claim that their products can achieve FRR<0.01% and FAR<0.001%. However, from published academic papers and authorit