Industry News

Oxygen layer destruction and its harm

Destruction of the ozone layer is one of the environmental problems currently facing the world. Since the 1970s, it has received attention from all over the world. Since 1995, September 16 has been designated as International Day for the Protection of the Ozone Layer. Ozone (O3) is a smelly gas, lig…

Basic knowledge of civil air defense

Civil air defense for short is an important part of the country and a long-term combat readiness for the whole people. It is an important strategic measure to prevent sudden enemy attacks, ensure the safety of people's lives and property, reduce national economic losses, effectively preserve war pot…

The harm of acid rain

At present, human beings are facing ten major environmental problems: water crisis, land desertification, destruction of the ozone layer, greenhouse effect, acid rain ravaged, forest decline, soil erosion, species extinction, garbage disaster, and toxic chemical pollution. Among them, raging acid ra…

Improper tree planting can lead to desertification

Afforestation has always been regarded as a long-term pros and cons. But this view has recently been challenged. The Forest Research Project funded by the Department of International Development of the British Government came to the conclusion that unscientific tree planting will not be supplemented…

Analysis of Lightning Protection in Substation

Substation is an important part of the power system. A lightning strike in a substation will cause a large area of ​​power outages and cause greater harm to the power grid. This requires that lightning protection measures must be very reliable. Lightning strikes in substations mainly come from two…

The cow was struck by lightning, but the cow keeper is fine

Meteorological experts said that after the lightning hits the ground, the cow will land on all four legs, and the step voltage will be high, while the cow feeder usually has his feet close together when working. At this time, the step voltage is exactly the smallest, so as to avoid lightning strikes…

The network cable must be unplugged when thunder.

A thunderstorm will hurt your computer. Most people think that as long as the computer is turned off, the computer will not be struck by lightning. In fact, lightning can still burn the network card, power supply or motherboard through the network cable and power socket. If you use a computer to sur…

Prevent electrical fires before they happen

According to statistics, electrical fires accounted for 27.9% of the total number of fires, ranking first among all types of fires. The losses caused by electrical fires have accounted for about 40% of the total fire losses. In particular, the malignant fires that have occurred in recent years are a…

The lightning protection measures should be mastered

Meteorological experts said that in the event of lightning, do not panic and take correct lightning protection measures to protect the safety of life and property. Outdoor lightning protection measures Specifically, if people are outdoors when thunder and lightning occurs, they should hide in a shel…