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Optical terms for cosmetic instrumentsA photon is an elementary particle, a quantum of electromagnetic radiation. In quantum field theory, it's the force carrier that transmits the electromagnetic force.Light spots/spots are few and far betweenLight spot is the contact point of light contact skin,…
2023/01/30 16:03
Distinguish different cosmetic optical instruments and their functionsThere are many different optical instruments on the market, which give off different frequency and characteristics of the radiation wave. We can basically tell by its wavelength, energy, output mode, etc.Ultraviolet…
2023/01/17 14:39
Switch regulator based on LCbuck converters are much like barrel regulators, except that inductors replace resistors and a "new" diode is added. If we can understand the function of the diode, we can understand the basic principle of various power converters more clearly. This diode is called a…
2023/01/14 16:31
Power supply precautions and fault detection methods of laser cutting machineLaser cutting machine power use precautionsLaser cutting machine in the process of use, to the various components of the equipment for good maintenance, to ensure the normal operation of the machine. Laser power supply is…
2023/01/13 15:03
Influencing factors of inductance saturationA key question is how to ensure "fast enough", that is, what factors influence switching off the tube quickly to avoid the consequences of inductance saturation? This may be the ultimate determinant of the volume and price of the inductor, so it is…
2023/01/12 14:11
Development of CO2 laser power supplyCO2 laser power supply accompanied with the development of CO2 laser, the initial application in the 1970s, and later with the progress of technology, the application field continues to expand. At present, CO2 laser power supplies are roughly divided into high…
2023/01/11 13:17
Application of semiconductor laser power supplySemiconductor laser market leading fiber laser, gas laser, solid laser market for a while, and several other categories of laser market proportion is similar. However, since 2016, the market share of semiconductor laser has expanded rapidly, with an…
2023/01/10 15:18
How to use high voltage power supply to detect high voltage cablesTo ensure the normal and safe use of high-voltage cables, check the cable inlet before or after using them for a period of time. The test includes determining whether the main insulation is damp or aging, and checking whether there…
2023/01/07 14:12
Ultrasonic generator common failure and maintenance methodsUltrasonic generator is a kind of equipment that converts the mains power into the corresponding high-frequency alternating current of the transducer to drive the transducer to work. It is an important component of the high-power ultrasonic…
2023/01/07 10:24
Why does melt-blown cloth need static electret equipment?01 Why does melt-blown cloth need static electret equipment?Electret electrostatic adsorption is to capture coronavirus droplets through the coulomb force of charged fibers. The principle is to make the surface of the filter material more…
2023/01/04 13:51
Pulsed bright light sterilization, what is the status of this field?Pulsed strong light has been successfully used in air disinfection, food and beverage sterilization. Because of its sterilization speed, has a unique advantage, and will not change any ingredients of the material, does not affect…
2022/12/30 14:36
Ultraviolet disinfection methods and precautionsUltraviolet lamps are commonly used in medicine, drinking water and food, and are increasingly used in the home. The UV disinfection lamp radiates UV rays with a wavelength of 253.7nm. The ultraviolet band has the strongest sterilization ability,…
2022/12/29 16:22