The result: the active materials in the panels absorb more light, and convert more of it into electricity.

效果就是：太阳能板中的活性物质吸收了更多阳光，从而使更多阳光转化成了电能。

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As physiological active materials with broad functions of regulation, polyamines have a close relationship with the growth and development of higher plants.

多胺作为具有调控作用的生理活性物质，与高等植物生长发育关系密切。

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The organic expanders are necessary to negative active materials of lead-acid battery.

铅酸蓄电池负极活性物质中的膨胀剂是必不可少的。

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Nanotechnology enables drug delivery mechanisms that can send biologically active materials directly to the location where they are beneficial.

FORBES: On the Ground Floor of Nanotechnology

Battery efficiency, lifespan and even safety could be vastly improved, the researchers believe, by increasing the surface area of the active materials that make up the battery electrodes.

FORBES: Magazine Article

Raw materials come from one place and are processed into active ingredients in another.

ECONOMIST: Fake pharmaceuticals