Recently, the world's leading inspection, identification, testing and certification organization SGS-CSTC Standard Technical Service Co., Ltd. (hereinafter referred to as SGS) was invited to participate in the 2011 "11th Xiamen International Stone Fair", and held during the exh.......
There have been many reports of accidents involving indoor decoration pollution. Among them, injuries to pregnant women or children have become the most sensitive topic in the industry. Medical research proves that benzene pollution caused by paints, coatings .......
At the DD China International Machine Tool Exhibition, one of the world's four largest machine tool exhibitions that ended recently, the German pavilion became a highlight. A total of 156 companies represented the German machine t.......
Based on concrete construction examples, a brief introduction to the determination and strengthening of waterproof construction methods for exterior wall thermal insulation materials in the project was briefly introduced, and the construction techniques and precautions for leakage prevention of.......
The preparation of pesticides is to prepare commercial pesticides into a state that can be sprayed in the field. For example, wettable powders, suspensions, and emulsifiable concentrates, and the like. The mixing and preparation of pesticides mu.......
Since January, the market price of PVC paste resin products has not continued to continue falling in December last year, the price movements remained stable. On January 29th, the ex-factory price of domestic high-end manufacturers of PVC paste resin was basica.......
Alarm host can be divided into: telephone alarm host, wired host, wireless host, wired and wireless compatible host, etc., from the alarm information transmission classification, there are two major categories.
One is the wireless alarm host, the advantage is easy installation, elimin.......
One is the wireless alarm host, the advantage is easy installation, elimin.......
Everyone knows that the engine is mixed with air and oil, and then enters the engine cylinder to burn and explode to generate power, and then discharges the burned exhaust gas. The mechanism that controls the intake and exhaust of the four-stroke engine is the valve. <.......
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Fermilab CDF Collider Detecto.......
Soot purification .......
The slump in silicon prices has disrupted the original pace of Chinese PV companies. One month ago, Suntec.......
As data continues to increase in an exponential manner, it is impossible to reduce the amount of data stored. Therefore, in order to improve system efficiency, most companies perform routine maintenance and upgrades on existing infrastructure, and apply dynami.......