Soil pH often affects plant growth and fertilization. It is an indicator of soil fertility. Acid refers to the ease of releasing protons to other substances, ie hydrogen ions (H ) The material. Base refers to a substance that is prone to protons. When the acid is mixed with water, hydr

In the past 20 years, due to the changes in the market structure and pricing mechanism, the pricing power of oil trade has gradually shifted to the futures market. Oil has therefore become a financial asset and fluctuations in oil prices have completely become a financial phenomenon and a currency

In the aspect of production management, China has spent 14 years from the initiation of GMP implementation to the full implementation of GMP, which can be said to have played a key role in promoting industrial upgrading and increasing industrial concentration. Thanks to the full implementation of GM

In 2008, it was a very unusual year for the heavy-duty truck industry in China. In the first half of the year, production and sales rose sharply and the market demand was booming. In the second half of the year, due to industrial emissions regulations and the intensifying global financial crisis,

The Lu shares in the passenger car in the morning of 4th daily limit, this will lead the Chinese bus leading enterprises once again pushed the cusp. Is it necessary to restructure with China National Heavy Duty Truck, or is the new energy concept hype? An interview with the reporter found that on

Model NO.: WY125 Package Inside: Box Glass: 136*85 mm

Notice of the National Development and Reform Commission on Raising the Electricity Price of North China Power Grid Beijing, Tianjin, Hebei, Shanxi, Inner Mongolia, Shandong Province (District, City) Development and Reform Commission, Price Bureau, Electric Power Company, North China Electric Super

Model NO.: DC00049 Pressure Chamber Structure: Vertical Tolerance Grade: 4

Following the cooperation between Shanghai Electromechanical (600835) and Nabo, the world's leading gear reducer, Qinchuan Development (000837) recently planned to invest 194 million yuan in industrial robot joint reducer technical transformation project. The two companies will also face

Following the cooperation between Shanghai Electromechanical (600835) and Nabo, the world's leading gear reducer, Qinchuan Development (000837) recently planned to invest 194 million yuan in industrial robot joint reducer technical transformation project. The two companies will also face

On March 7, the reporter learned from the special operations department of the Zhongyuan Oilfield that the first successful application of the carbon dioxide fracturing technology in the gas wells of the LG-3 well in the Huaibei Mining Group of Anhui Province was successful. This technology is inde

"Although China's auto transmission (AMT) has undergone more than 20 years of research and development, the achievements of scientific research are numerous, but unfortunately, so far, China's own brand AMT R & D still remains in the prototype stage, has not yet formed industrializa