20.Methods A combination of euglobulin precipitation, ion-exchange chromatography,(NH4)2SO4 precipitation and affinity chromatography was used in the process of purification.
10.He used gas chromatography, coupled with human sniffing, to identify about three dozen aromatic compounds contributing to the whiskey's flavor profile.
12.And as we fine-tune current and future experiments, we're interested in seeing if specific wavelengths, or color, color spectrums of light, have the same effect or less effect.
科学快报-科学美国人Science Quickly, from SCIENTIFIC AMERICAN
13.Newton's discovery of the color spectrum is good here, because what we discovered is that they aren't a fixed number of colors, but there's an infinite gradient.
牛顿对色谱的现这里很好，因为我们现它们不是固定数量的颜色，而是有无限的渐变。机翻
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14.Intrigued by that discovery, the team put the crude sample they were working on through two rounds of chromatography, to split it into its constituents, and repeated the tests on these.
15.Just below the chromatophores is a layer of cells that reflect light from the environment, and these cells help the octopus create a precise match with the colors that surround them.
析方法。
验） 
莫地喹
残留。
《
，科学家们将这些野火排放样本带到他们的
相
寻找药物成分或其代谢物。
检查犯罪现场的一种工具。
的样本，他们用
这种情况下，联合国调查人员能够使用
相
现
