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... ray in the machine for a period of time, the degree of resistance to yellowing or fading is observed, the grade of yellow change can be determined by gray standard ratio, and this product can also be used t...
...ultraviolet ray in the machine for a period of time, the degree of resistance to yellowing or fading is observed, the grade of yellow change can be determined by gray standard ratio, and this product can als...
...piece is irradiated by ultraviolet ray in the machine for a period of time, the degree of resistance to yellowing or fading is observed, the grade of yellow change can be determined by gray standard ratio, a...
... and use. 4. Consumption: 8W 5. Brightness: 120 levels 6. Operating temperature: -20℃ to 40℃ 7. Usage: illumination and beautification for home, party, etc. No radiation, and enviromental friendly. Appearanc...
... retardant, fast response time, long service life and so on. 3. It is a PTC element for the heat source, made of aluminum alloy corrugated sheet for the radiator,...
...safely touched, a typical green lighting source, long life, can achieve colorful dynamic change effects and various images. A23.3645-B2L Zoom Stereo Microscope Specification B T Head Binocular Head, 45° Incl...
... toll stations, gas stations, supermarkets, exhibition halls, stadiums and other places of lighting required. With ADC12 Aluminum alloy materials radiator, with air duct design principle of both...
... which on the exposed surface of the wall and ceiling. The test method is through the gradual change of the radiation heat, with small flame to ignite samples, and determination of the critical heat flux. St...
...Change different beam angle lens as 60°/90°/ 105° apply to workshop, factory building, warehouse, highway toll stations, gas stations, supermarkets, exhibition halls, stadiums and other places of lighting re...
... condition, driven by the sun ultraviolet radiation. It’s generally thought that the appearance change at 50’C for 9 hours, in theory as exposed to atmosphere for 6 months. Aging: it can promote the increase...
...changes in a point-by-point writing process. The process is highly nonlinear and therefore basically independent of the fiber material, which means that doping the fiber (e.g. germanium) is not required. The...
... New Quality standard ISO9001 Thermostat Working Principle Thermostat is based on the cooling water temperature automatically adjusts the amount of water into the radiator, change the...
... inside and outside in diameter which can reduce the influence of external electromagnetic field on power supply or communication line and prevent the line from radiating electromagnetic energy. 3. SpO2 sens...
...Application Introduction: The brake lamp made of LED has no radiation, no pollution and long service life. The theoretical value reaches 60000 hours, that is to say, there is no need to change the bulb durin...
...radiator and rubber pipes. Its corrosion resistance is determined by the weight loss of typical metal test pieces used in the engine cooling system installed in the reservoir and the state surface of the int...
..., and exchange of thermal energy (heat) between physical systems. Heat transfer is classified into various mechanisms, such as thermal conduction, thermal convection, thermal radiation, and transfer of energ...
...paper gypsum board, with the features of highly waterproof, moisture proof, flame-resist, heat-resist, warm-keeping, radiation proof, anti-sagging, non-deformed and so on. Gypsum ceiling tile usage: 1. Good ...
... gypsum board, with the features of highly waterproof, moisture proof, flame-resist, heat-resist, warm-keeping, radiation proof, anti-sagging, non-deformed and so on. Gypsum ceiling tile usage: 1. Good resis...
... metal test pieces used in the engine cooling system installed in the reservoir and the state surface of the internal surface of each component visually. The performance change of the sample is...
... BroadcastThe thermostat automatically adjusts the amount of water entering the radiator according to the temperature of the cooling water, and changes the circulating range of the water to adjust the heat d...