Mixed efficient jianshuiji USES steam curing of concrete, concrete should have the necessary structure strength to warming, steaming raise system should be determined by test.
掺高效减水剂的混凝土采用蒸汽养护时，混凝土应具有必要的结构强度才能升温，蒸养制度应通过试验确定。
Their catalytic activities to the curing reaction of NEPE and HTPB solid propellants were studied by thermal analysis methods, formulation process research and performance test of propellants.
通过热分析方法、推进剂配方工艺研究与性能测试，探讨了它们对NEPE和丁羟固体推进剂固化反应的催化作用。
Within the dose range of curing agent and enlargement agent , the composition of sand consolidation agent is optimized by using quadrature test .
辅以少量增孔助剂，对砂孔进行固结试验。 在固化剂和扩孔剂用量范围内，利用正交试验优化固砂剂组成。
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