Immobilized cell technology uses physical or chemical means to immobilize or position cells in a fr ...MORE...

Recently, Jingwei Han, senior vice president of NavInfo, told Che Yunyu that in the fourth quarter ...MORE...

This, and does not affect the original characteristics of CNC machine tools, so that some of the ma ...MORE...

On a visit to the laser customer Manager Zhou last week, Manager Zhou discussed with S& ...MORE...

Soil nutrient imbalance is a very common problem in farmland planting work. Because many ...MORE...

Ore beneficiation plant somewhere in the Department of tin, tantalum, niobium, tungsten granite mul ...MORE...

China's natural resources, the vast majority of low-grade rutile native ore, the reserves accou ...MORE...

Ferrous sulfate, also known as green vitriol, titanium white powder Production of sulfuric acid is ...MORE...

Scheelite concentrate to improve the quality of technology research and production practice Guo Ji ...MORE...

Silver crucible Silver 坩埚 The silver enamel capacity is 100ML, that is, the weight is 10 ...MORE...

Imagine: You accidentally swallowed the battery ...MORE...

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