One: the principle of convenience Installation or replacement convenience is one of the principles of choosing a luminaire. I don't think you would like to go through the table, step on the chair, stand at 90 degrees, raise your arms and go over the head to the height of 2.5 meters or eve
Read moreTrue and false paint> paint identification method: 1. Check whether there is a factory name, a factory address, a registered trademark on the packaging, and whether there is a test report of the quality supervision department. If you do not understand clearly, please do not buy. The key is to
Read moreGeothermal radiant heating, referred to as floor heating, is a heating method in which hot water or heating cables with a temperature not higher than 60 degrees Celsius are buried in the coil system under the geothermal floor to heat the entire ground and radiate heat evenly through the ground
Read more[Super Hard News] On August 27th, the first plenary session of the 50-year history committee of China's superhard materials industry was held in Zhengzhou Sanmao. Nearly 40 people from the industry's authoritative scholars from domestic enterprises and institutions attended the meeting. T
Read moreQ: The color of the new brush door is deeper than that of the paint itself. Is the paint discolored? A: The discoloration of paint mainly refers to the discoloration of varnish. The varnish was originally a clear, colorless or very light yellow color, which turned brown or black after discolorati
Read moreCalcium propionate This product is a white crystalline powder with no odor or slight special odor. It is soluble in water (1 g is soluble in 3 ml of water), slightly soluble in methanol and ethanol, and insoluble in benzene and acetone. The pH of the 10% aqueous solution is equal to 7.4. Calcium pr
Read moreRecently, at the 2008 Refrigeration Show held in Shanghai, information was uploaded. The new air-conditioning technology displayed by Shanghai Daikin Company and a number of personalized products matched with this technology have attracted widespread attention in the industry. At present, under th
Read moreThe power industry is one of the most important basic energy industries in the development of the national economy, and it is also a barometer reflecting the state of the national economy. The 2012 semi-annual report that has been disclosed shows that the listed companies in the A-share power in
Read moreThe ultrasonic cleaning machine is mainly composed of an ultrasonic cleaning tank and an ultrasonic generator. The ultrasonic cleaning tank is made of high-quality stainless steel with strong elasticity and corrosion resistance. The ultrasonic transducer vibrator is installed at the bottom; th
Read moreThe principle of the master bedroom layout is how to maximize the comfort and enhance the privacy of the master bedroom. Therefore, the characteristics of the master bedroom layout and material should be refreshing, soundproof, soft and soft. The biggest difference between the child room and the mas
Read moreIn order to give full play to the advantages of plastic steel doors and windows, and extend the service life of plastic steel doors and windows, in the course of use, attention should also be paid to the maintenance and maintenance of plastic steel doors and windows: 1. The dust on the doors
Read moreFirst, the strength High-grade plastic steel doors and windows and aluminum alloy doors and windows are almost the same in the wind pressure. Second, durability Foreign research shows that high-grade steel doors and windows have been used in Europe for more than 30 years. Aluminum alloy doors a
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