In addition, a test method is recommended to test purity of ash calcium and formula design based the test result.

另外，推荐一种灰钙纯度的检测方法和根据测试的纯度确定配方的方法。

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One interesting fact is a test for pure gold. Test for purity of gold, remelt and heat it.

一个有趣的事实就是黄金的检测，检测黄金的纯度，重新熔化和加热它。

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In test instruments, resolution of the system is dependant on spectral purity of the monochrometer.

在测试仪器中，单色器的光谱纯度决定系统的分辨率。

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Even the Republican National Committee is fending off a concerted effort to keep the party's money from candidates that don't pass a "purity" test.

CNN: Democrats need to learn to compromise

Law enforcement agents should be able to test the toxin found in the letters to determine its potency and purity, as well as learn what chemicals may have been used to extract it from widely available castor beans, said Murray Cohen, the founder of the Atlanta-based Frontline Foundation, which trains workers on preparedness and response to bioterrorism and epidemics.

NPR: Experts: Ricin Like That In Letters Easy To Make