在毛主席的无产阶级教育路线指引下,我院建材与制品教研室与第一冶金建设公司中心试验室合作,遵照伟大领袖毛主席关于“外国一切好的经验,好的科学技术,我们都要吸收过来,为我们所用”的教导,参考国外有关资料的介绍,对明矾及氯化钙复合剂在混凝土中的促硬作用作了一些试验,提出了自己的配方,并取得了一定的试验效果。 Under the guidance of Chairman Mao’s proletarian education line, our building materials and products teaching office cooperated with the first metallurgical construction company’s central laboratory, and in accordance with the great leader Chairman Mao’s “All foreign good experience, good science and technology, we must absorb Over the past, for the teaching we use, with reference to the introduction of relevant foreign materials, we have made some experiments on the hard-enhancing effect of alum and calcium chloride compound in concrete, and put forward our own formula and achieved certain experimental results.