Salt spray test national standards

1. Application scope of salt spray test: This standard specifies the salt spray corrosion resistance test methods for various surface treatments of various metal substrates after plating, organic or inorganic coating. 2. Salt spray test method: This method is a corrosion test method in which a te.....

The domestic scientific and technological content of dr…

Nowadays, environmental protection and energy conservation have become global topics. Many companies have taken advantage of the situation to develop green machinery products. Drying equipment is no exception. Although in the international competition, the advantages of drying equipment in China a.....

Shanghai Optical developed a new all-solid-state phosph…

Large mode field photonic crystal fiber (PCF) with high damage threshold and nonlinear threshold and good heat dissipation capability has always been the focus of research at home and abroad. Shanghai Institute of Optics and Fine Mechanics, Academia Sinica, for the first time in the world put forw.....

Food safety testing equipment market ushered in major c…

The amendment to the Food Safety Law that will be formally implemented in October 2015 has two distinctive features. The first is severe punishment. Not only has the conviction and sentencing standards that jeopardize food safety-related crimes been clarified, but also the standards for ju.....

Correct use of clutch

  1,   Pedal must promptly and thoroughly, to lift the pedal through the free travel will have a smooth slowly, to prevent excessive impact load clutch damage; unstable vehicle launch when the appropriate starting speed increase, but not as much as p.....

·The net profit of listed auto parts companies is gene…

Last year, the domestic auto market continued to maintain a double-digit growth trend. Under the favorable background, not only the performance of automakers rose, but also the performance of parts companies also rose, and the overall performance was better than the whole vehicle. According to the.....

Nursing, healthcare into two sessions of hot security i…

In recent years, China’s ageing trend has intensified. According to the “Statistical Communiqué of the National Economic and Social Development 2014”, the number of people aged 60 and over in China at the end of 2014 was 212.42 million, accounting for 15.5% of the total populat.....