用复配方法制备低温系列偶氮二甲酰胺，并分析复配剂的作用机理。
The low temperature series azodicarbonamide was prepared by compound method, and the functional mechanism of compound agents was analyzed.
通过理论分析和系列冲击试验，对高锰钢出现的低温脆性损坏进行了分析研究。
The study of damage of low temperature brittleness on high manganese steel has been carried out by theoretical analysis and a series of impact tests.
针对黄河泥沙质陶瓷酒瓶坯体的装饰展开研究，采用低温一次快烧工艺，研制了一系列熔块及半熔块釉。
Based on the research of body decoration on the ceramic wine bottle made with Yellow River silt, a series of semi-frit glaze was made.
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