Desulphurization render gypsum can be prepared using composite retarder and some tests study on the setting time and mechanical property of desulphurization render gypsum.

采用自制的复合缓凝剂配制出脱硫粉刷石膏，并对脱硫粉刷石膏的凝结时间及力学性能进行了研究。

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Study the variation rule of mechanical property of steel-concrete composite beam of the blot after its' corrosion.

研究了栓钉锈蚀后钢—混凝土组合梁的力学性能随栓钉锈蚀率的退化规律。

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Objective To study the new kind of nano-ceramic composite for prosthodontics and its mechanical property.

目的：研制新型口腔修复用纳米复合全瓷材料并探讨其力学性能。

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