Niacinamide is the biologically active form of niacin.

烟酰胺是烟酸的生物活性形式。

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Both the integral membrane and soluble splice variants are biologically active (1).

完整的细胞膜和可溶性的剪接形式都具有生物活性(1)。

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Chemical Composition More than 180 compounds have been identified in propolis, and many are biologically active.

蜂胶中含有超过180种化学成分，大多数是具有生物活性的成分。

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He spoke to us about the finding. "It really means that the planet is more active than we thought,and more active and that can be geologically or maybe even biologically."

VOA: special.2009.12.30

Sirtris had a technology platform involving resveratrol, believed to be the biologically active component of red wine.

FORBES: Getting The Benefits Of Red Wine From A Pill? Not Likely.

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

Lechuga-Ballesteros' group hunted for a recipe for dried insulin, a daunting trick because insulin is biologically active only in a liquid state.

FORBES: The Impossible Made Possible