Self-cleaning nucleic acid sampling vehicle
What are the precautions for using N95 masks? N95 masks are not suitable for children under 7 years old. N95 masks have high breathing resistance after being worn, and are not suitable fo…

From the name of a company like Xinjiang Qingsong Building Materials Chemicals (Group) Co., Ltd., it is easy to see that the relationship between building materials and chemical industry is inseparable. In fact, the building materials industry is an important application field for coatings, pl…

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On December 30th, the LED lighting standard optical component testing joint laboratory awarding ceremony was issued by LED Lighting Standard Optical Component Application and R&D Alliance. It was held at NVC Lighting Huizhou Base, and NVC became the first batch of pilot institutions. T…

After a hundred years of vicissitudes of the internal combustion engine industry, in 2009, we began a brand new journey. What are the things to remember in this year? Whose engine has caused widespread concern? Ben Wang hopes to use the form of keywords to review and summarize This year. …

Twenty years ago, the vacuum packaging machine market in China was almost a blank market. At that time, many packaging machine manufacturers did not know too much about this new type of packaging equipment. Such equipment was once rejected by the manufacturer. In recent years, vacuum packing ma…

Twenty years ago, the vacuum packaging machine market in China was almost a blank market. At that time, many packaging machine manufacturers did not know too much about this new type of packaging equipment. Such equipment was once rejected by the manufacturer. In recent years, vacuum packing ma…