Polysilicon is an important raw material for the solar energy industry. Although China’s output ranks first in the world, 40% of its demand still needs to be imported. The second quarter of 2011 can be said to be the winter of the entire photovoltaic industry. The continuous dive of
Read moreWACKER Chemical Group has recently developed a new type of silicone rubber SILPURAN 6610/40, which is mainly used to produce radiation sterilizable valves. In medical technology, valves made of silicone elastomers are often used when metering liquid media. They have a very high measuremen
Read moreThe compressor is the heart of petrochemical equipment, and its key components involve dynamic sealing. Although the dynamic sealing element is small, it is an integral part of the core technology of the equipment. The high temperature and high pressure oil-free lubricating compressor represents
Read moreRio Tinto PLC said on July 14 that iron ore production in the second quarter increased by 12% compared with the same period of last year, and stated that its Australian coal mine business is recovering from flooding, but it also warned of cost pressures. In his statement, Rio Tintoâ€
Read moreThe development and utilization of mineral resources have a long history in China. However, until the Qing Dynasty, the ways of finding, developing, and using them have changed little, and they have been conducted in a small-scale handicraft industry. Its mineral types are also limited to gold, si
Read moreThe development of hardware industry and the diversification of publicity methods have promoted the rapid development of the exhibition. According to the author's understanding, there are as many as 10 large-scale hardware exhibitions held in China each year, together with countless lo
Read more1, see the grade logo Tiles are divided into five grades. There are distinctions between excellent products, first-class products, second-grade products, third-grade products, and other foreign products. Because the price difference is large, they need to be carefully compared. In addition, in th
Read moreIf the suckling pig teaches the trough well, can it really solve the biggest problem on the farm? The pig farm will not lose money from then on, and has rarely used it since then? The answer is yes. Because: piglets weaned more than 0.5 kilograms, the same level and environment, the weight of the b
Read more“Elevators have been reviewed by the national special equipment inspection department before they are put on the market.†Cao Wei, head of engineering department of Andersen Elevator Sales Company who had represented Otis Elevator, told the reporter, “The Otis Type 513MPE
Read moreGrape is a fruit tree with more pests and diseases, especially with the arrival of summer, the temperature rises rapidly, the rain is sufficient, and a large number of pests and diseases are concentrated. At present, the northern openland grapes have ended the flowering period
Read moreThe home is in the renovation phase, but the surface of the grass paint drops down like a bead of water, and in some places there are sand-like bumps. What is going on? How to prevent it? Answer: This is a common phenomenon in paint construction: one is the paint flow drop, which is the a
Read moreTaiwan's famous film and television actress Lin Hi Lei married in the Maldives not long ago. Her husband is an American businessman Yang Chen, who is two years older than her. What is their wedding room? Lets come look! Lin Xilei and her husband Lin Xilei and wealthy merchants in Maldives The
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