Today is June 7, 2022, the first day of the college entrance examination for Chinese senior high students. The Chinese composition questions in the mornin .....
On May 26, 2022, the second seminar on the group standard of "Ultraviolet Germicidal Lamps for Schools" sponsored by the Educational Equipment Industry B .....
May 9, Vice Premier Sun Chunlan, a member of the Political Bureau of the Communist Party of China Central Committee, spoke at a teleconference held by the Joint .....
In the context of novel Coronavirus pandemic, new standard mobile nucleic acid testing cabins have been added in many places, as shown in the figure below: .....
1.What is the CE certification of the European Union ?CE stands for CONFORMITE EUROPEENNE. The "CE" mark is a safety certification mark that is seen as a pass .....
222nm advantageA direct approach to limit airborne viral transmissions is to inactivate them within a short time of their production. Germicidal ultraviolet li .....
What is UL?UL （Underwriter Laboratories Inc.）-The UL Safety Laboratory is the most authoritative in the United States and the largest private institution engaged .....
The new year 2022 is coming, and the flu is easy to spread in the late winter and early spring. In the face of influenza, we do not know whether we should .....
We know that there are thousands of bacteria and viruses on the earth, and there are many unknown bacteria and viruses. There is a kind of bacteria that we .....
1. UV disinfection technologyUV disinfection is one of the effective sterilization methods. It has been widely used in the field of water treatment as ea .....
The principle of ultraviolet sterilizerUltraviolet is a kind of invisible light wave, according to different wavelength range, is cut into A, B, C three .....
E. coli is an important model organism found in high school biology. Many aspects of knowledge are involved, such as the basic structure and division of .....
The hot cathode uvc lamp uses tungsten wire as the cathode body, and its surface is coated with low work function metal oxide. During the working life .....
As a result of the COVID-19 pandemic, there is an increased demand for safe, sanitized public spaces.Ultraviolet light has well-known used in the water, .....
The weather slowly warmed up, and summer came quietly with heat waves.How to avoid get sunburned when going out has become a top priority for people, espe .....
People pay more attention to the quality of life recently years. Many smart home products have entered the public’s field of vision, and steril .....
The cold weather in winter is easy to cause various diseases. The incidence of respiratory-related diseases is the highest. Middle-aged and elderly pe .....
Think of yourself as the most important person in the world. The first person you need to take care of is yourself. ——It is very worthwhile and hap .....
Does the decline in body water mean senescence? Is it that the higher the body's moisture content is, the younger it looks? How to make water a secret recipe f .....
It is no stranger to mention chickenpox, which is an acute infectious disease caused by the first infection of varicella-zoster virus. It mainly occurs in infa .....
How to use uv germicidal lamps safely and effectivelyWith the development of urban life, the concept of environmental protection has been a household name, ultr .....
Ozone, a allotrope of oxygen, Its chemical formula is O3, a bluish gas with a fishy smell. The most frequently mentioned is the ozone in the atmosphere, .....
Spring is the season of high incidence of infectious diseases, enteric infectious diseases, natural focal disease and insect-borne infectious disease their transmission possibility are greatly increased. Common infectious diseases include influenza, epide .....
