By material and crystal analysis of the swollen and cracked pyrolysis furnace tubes, summarizes reasons for the failure of the tubes, and proposes preventive measures.

通过对其鼓包及开裂的裂解炉炉管进行材质和晶相组织分析，找出了炉管故障发生的原因，并提出了具体的预防措施。

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It also describes the many types of information that can be obtained by modern crystal structure analysis.

书中也描述了各种通过现代晶体结构分析能够得到的信息。

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HPLC methods were used for the qualitative and quantitative analysis. The purity of carotene crystal was 88.56% by HPLC method.

用高效液相色谱对纯化样品进行了定性和定量分析，结果显示三次重结晶后胡萝卜素纯度为88.56%。

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Crystal says the dynamic nature of the Internet makes it difficult for comprehensive analysis of its effects to stay up-to-date.

VOA: standard.2010.01.16

They then repeated this analysis adding as an extra crystal ball analysts' profit forecasts.

ECONOMIST: Financial analysis

Analysis of that pattern can tell you the details of how a crystal's atoms are arranged.

ECONOMIST: The 2011 Nobel prizes