Analysis of product by means of FTIR and HNMR, the result showed that no by-product the purity was high.

利用核磁共振、红外光谱对产品进行分析，结果显示产品中无副产物，纯度较高。

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This method have many advantages, quick reaction, high yield, no by-product, elegant perfume, simple after-treatment, good product quality and regenerable catalyst.

该法具有反应速度快，产品收率高，产品香气好，后处理简单，催化剂可重复使用等优点。

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No team member will become a specialist in any one part of the project or any one product or technology used by the project.

没有任何小组成员将变成这个项目的任何部分的专家或这个项目所使用的任何产品和技术方面的专家。

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We estimate that slowing the annual growth rate of health care costs by 1.5 percentage points would increase real gross domestic product (GDP), relative to the no-reform baseline, by over 2 percent in 2020 and nearly 8 percent in 2030.

WHITEHOUSE: The Economic Case for Health Care Reform | The White House

One by-product of this PR nightmare was that board members wanted no part in the business airplane stigma.

FORBES: CEO Perk? What Happened To The "Lifetime Use Of The Company Jet?"

That may be a by-product of his straight-talking nature and his supreme confidence, which mean he sees no need to pull punches or partake in false modesty.

BBC: Jonathan Miller complains of ageism in the arts