起点彩票平台

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                2020-07-07
                The laboratory ventilation design adopts the following steps and schemes: (1) According to the process requirements and functional layout, the laboratory selects a certain number of fume hoods, some ...
                2020-07-07
                In the center of the laboratory, there is a space for setting up a central laboratory table. Usually, a washing table is set up on the longitudinal side or middle of the central laboratory table The r...
                2020-07-07
                1. Common detergents (1) General detergent: detergent, washing powder, soapy water, detergent, etc. (2) Alkaline detergent: sodium carbonate (soda ash, soda), sodium bicarbonate (baking soda), sodium ...
                2020-07-07
                The fume hood is the main safety equipment in the laboratory. Most of the experiments are completed in the fume hood. The fume hood is a special form of closed hood, and the operation process of harmf...
                2020-07-07
                Industry). The laboratory furniture industry was established and gradually developed in China in recent ten years. Ten years ago, in the process of developing laboratory instrument business in China, ...
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