Analysis of production status of air conditioning compressor

Shanghai Hitachi's economic benefits and social responsibilities are concurrent. As the leading pillar of Haili's main business, Shanghai Hitachi has long been focusing on compressors, and the industry associated with radiation and refrigeration has become bigger and stronger. .......

Garlic cultivation temperature conditions

Garlic likes the cold environment, through the dormant garlic clove, starts to germinate at 3 °C ~ 5 °C, the optimum temperature is 12 °C ~ 20 °C, 30 °C above inhibits germination. The optimum temperature for the garlic seedling stage is 12°C to 16°C, which c.......

Gas Chromatography Analysis and High Purity Gas Selection

During the chromatographic analysis, the gas chromatograph has a higher requirement for the purity of the gas used. It can reach the working requirement and extend the life of the instrument. The purity of the gas used must be at or slightly higher than the ga.......