MBHA resin is relatively inexpensive. The new method is another way for the preparation of human proinsulin C-peptide.

MBHA树脂相对价格便宜，此方法是制备人胰岛素原C肽的另一种尝试。

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This paper has introduced method of specimen preparation and structure showed about this Ti(C, N) based cermet. Its microstructure and TEM phase has been discussed and compared.

探讨了这种材料金相试样的制备方法、显微组织浸蚀剂的选择，并对其光学金相组织特征与TEM相进行了论述和对比。

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The new preparation method of Al-Ti-C grain refiner was studied with aluminium ingot, potassium hexafluorotitanate, aluminium powder, hexachloroethane and carbon powder.

提出了利用铝锭、氟钛酸钾、铝粉、六氯乙烷和碳粉制备铝钛碳晶粒细化剂的新方法。

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