The detection of cable faults generally goes through three steps: diagnosis, ranging and fixed point.The testing of cable fault is generally divided into two processes: the testing of the distance between the fault points of the cable fault;Failure point testing.There are three methods to measure th

At 9 o'clock this morning, in New York State, the most severely affected state in the United States, an intensive care unit nurse Sandra Lindsay received the first new coronavirus vaccine in the United States. The vaccine requires two doses, about three weeks apart. Sandra works at the Jewish Medica

In his opening speech at the Climate Ambition Summit on Saturday (12th), UN Secretary-General Guterres stated that world leaders should declare a “climate emergency” in their own countries to stimulate action to avoid catastrophic global changes. warm.According to Reuters news on the 12th, on the 5t

Copper nose is used for connecting wires and cables to electrical equipment. The top side is the fixing screw edge, and the end is the copper core of wire and cable after peeling.How to use copper noseCopper nose is also called line nose, copper wiring nose, copper tube nose, wiring terminal, variou

According to a recent report, by 2050, the installed capacity of floating wind power will increase from the current 100 megawatts (MW) to 250 GW, an increase of 2,000 times.The report added that floating wind power will play an important role in decarbonizing the global energy system. By 2050, it wi

On December 6, aerospace science and technology personnel monitored the rendezvous and docking of the Chang'e-5 ascender and the orbiter returner assembly in the command hall of the Beijing Aerospace Flight Control Center.It was learned from the National Space Administration that at 5:42 on December