1, cast iron casting quality is not high, the valve body and the valve body with trachoma, loose tissue, slag and other defects 2, the day cold cracking; 3, poor welding, there is slag inclusions, welding, stress cracks and other defects 4 , Cast iron valve is hit by heavy objects after the damage t
Read moreFrom the recent market trends, smart lighting has become a new product that manufacturers such as Philips are vying to promote. At the Frankfurt show at the beginning of the year and at the Guangzhou Lighting Fair just after the end, smart lighting was also the subject of heated discussion. At prese
Read moreEskimo Cold Storage is a refrigerated food storage company in the city of Gainesville, Georgia. The company has saved $100,000 in fees since it adopted RFID solutions four months ago and expects to save $233,000 a year. The company has installed RFID readers in 20 corridors of its warehouse to
Read moreIn the past two years, the LED industry channel has developed rapidly. The price of LED general lighting products has dropped rapidly at a rate of more than 30 per year. The channel distribution in the first half of this year has made the LED industry appear on the surface. However, the sales market
Read moreLi Xinghua, Party Secretary and Director of the Guangdong Provincial Department of Science and Technology, delivered a speech at the 8th China International Semiconductor Lighting Exhibition and Forum. Ren Xiaoxi photo [/size] LED industry is one of the three major breakthroughs in the development o
Read moreIHC Merwede officially launched the world's first four-track underwater sub-digging machine, which was specially developed for the operation in narrow waters and for laying cables for offshore wind farms. World's first four-track submarine excavator launch According to reports, this subma
Read moreAutomatic roadway stacker is mainly used for the field of automatic parking, also known as storage-style three-dimensional garage. Warehouse stereo garage can be divided into roadway stacking and plane moving. The roadway stacker is a device that uses a fully automatic roadway stacker. The
Read moreAs a global manufacturer and industry leader in LED epitaxy, chip, package, LED lighting solutions, compound semiconductor materials, power devices and RF, Cree is based on the summary of the development of LED technology. In 2013, it took the lead in proposing the concept of high-density LED techn
Read moreFrom 2008, China launched a special fund for the central government, subsidized the promotion of energy-saving lamps, and gradually eliminated the use of incandescent lamps and other inefficient lamps. According to China's phasing out of incandescent lamps and accelerating the promotion of ene
Read moreConstraint and Load Handling To simplify the calculation, a single pair of meshing tooth contacts in the two contact gears is selected as the actual analytical model of the gear contact. It is specified that the displacement of the driven gear boundary node is zero, so the driven gear applies a fix
Read moreDevelopment of European gasoline engine oil The development of European gasoline engine oil is not much related to the development of automobile emission standards, and it is not as compact as the United States. It is mainly the improvement of automobile performance such as increased power, small
Read moreAs Europe's premier scientific research laboratory will have a major upgrade. Improvements to the European Synchrotron Radiation Facility (ESRF) will cost some 150 Euros and be fully completed by 2022. ESRF is essentially a massive X-ray machi
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