活性物质 meaning in English

activating substance
active compound
active mass
active material
active substance

Went showed that this active agent diffused into gelatin from living oat coleoptile tips .
温特证明，这种活性物质从活的燕麦胚芽鞘扩散到凝胶中去。
The reactive fragments produced further react, giving rise to many different species observed .
产生的活性物质进一步反应，产生许多所观测到的物质。
The formed active material in the stamped grids becoming loose in the grid openings and the battery failed .
冲孔板栅形成后的活性物质在板栅的孔中变得松散，因而使蓄电池失效。
Mental disorders due to use of psychoactive substances
精神活性物质所致精神障碍
Standard test method for methylene blue active substances
亚甲蓝活性物质的试验方法

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