This paper gives a comprehensive failure analysis on the thermal fatigue crack of engine exhaust manifold and makes an improvement for materials and structures.
对某车型发动机排气歧管的热疲劳断裂问题进行综合失效分析，并从材料、结构方面提出改进意见。
This paper has introduced the thermal analysis methods applied in the determination and study of the purity, melting property, changes of water contents, structures and preparation of drugs.
本文介绍了热分热方法在测定药物纯度判断药物的熔化特性。研究药物结构及剂型选择，测定含水量变化等的应用。
The structures and properties of the copolymers were determined by GPC, IR, thermal analysis, FS spectra, and UV Vis spectra.
通过红外光谱、凝胶色谱、热分析、荧光光谱、紫外与可见光光谱对共聚物的结构与性质进行了表征。
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