In the team's system, the viruses simply act as a kind of scaffolding, causing the pigments and catalysts to line up with the right kind of spacing to trigger the water-splitting reaction.

在该团队的系统中，这些病毒只是作为一种支架，使色素和催化剂的排列起来，并具有合适的间距以触发水的裂解反应。

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Results: some chirality act on clinic each other and is considered to be the beneficial one, some cause medicine bad reaction.

结果有些手性相互作用在临床上被视为是有益的，有些则引起药物不良反应。

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Rapid reaction and act immediately!

快速反应，立即行动！

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When it comes to major corporate deal-making like mergers and acquisitions, boards of directors tend to act only in reaction.

FORBES: Magazine Article

"While we have actively participated in conversations around postal reform, and in particular, five-day delivery, we did not expect the USPS would act unilaterally, without congressional approval, and we await Washington's reaction and more details, " said its president, Mary Berner, in a statement.

WSJ: U.S. Postal Service to Cut Saturday Mail

Nineteen days after the wreck, its massive oil slick hit western Guernsey and in a reaction similar to the Cornish the authorities decided to act fast.

BBC: Torrey Canyon seabed returns to normal after oil spill