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- Keywords desulphurize ash;CaSO_3;cement setting time; 脱硫灰;亚硫酸钙;水泥;凝结时间;
- Experimental study on retarding cement setting time with admixture of sucrose and superphosphate 蔗糖和过磷酸钙作外加剂延缓水泥凝结时间的试验研究
- She got to the park before the set time. 她在约定的时间之前到了公园。
- cement setting time 龄期
- The meals in this hotel are at set times. 这家旅馆的用餐时间是固定的。
- The effects of SAE on the density, absorbency, setting time and cement hydration of cement mortars were studied. 考察了SAE对水泥砂浆的密度、吸水性、凝结时间以及水泥水化速度的影响。
- Replaced some cement clinker by flue dust activated coal gangue as admixture and tested its setting time and strength. 摘要以窑灰活化煤矸石为混合材取代部分水泥熟料，测试其凝结时间、强度；
- The effect of several fly ash with different amount and fineness on the setting time of cement is studied. 研究了不同掺量、不同细度的几种粉煤灰对水泥凝结时间的影响。
- You should have your meals at set time. 你应该在固定的时间去吃饭。
- Cement sets after several hours. 水泥几小时后凝固。
- Is there any set time for the morning break? 有没有固定的上午休息时间?
- He told me I have to be there by a set time. 他对我说必须按时到达那里。
- Set time out for Grabber to grab a link. 设置抓握连结的限定时间。
- You should finish the exam within a set time limit. 这份考卷一定要在定时内完成。
- They set time limits for future negotiations. 他们为将来谈判设置了时间。
- First, specific gravity, setting time and stability testing of microfine cement are tested. 首先进行超细水泥的基本性质试验，包括比重试验、凝结时间试验及泌水试验。
- The application of FGD gypsum product as the cement setting retarder is investigated. 研究用火电厂简易湿式脱硫产物-脱硫石膏产品作为水泥缓凝剂。
- Objective To investigate the effect of different diameter powder on setting time and compressive stress of carbonated hydroxyapatite cement (CHC). 目的 检测不同粉体粒径对碳酸化羟基磷灰石水泥 (carbonatedhydroxyapatitecement,CHC)的固化时间和压缩强度的影响 ,为其修复骨缺损提供理论基础。
- The effects of desulphurize ash containing more CaSO3 on the setting time of cement clinker with various content of C3A and C4AF were studied. 研究了亚硫酸钙含量较多的脱硫灰对C_3A和C_4AF含量不同的水泥熟料凝结时间的影响。研究结果表明:亚硫酸钙对C_4AF有缓凝作用,而对C_3A基本不具缓凝作用;
- The impact of heavy metal oxides, such as ZnO, PbO and CuO, on the setting time and mechanical properties of cement pastes was investigated. 研究了缓凝剂、速凝剂单掺以及与其它品种外加剂复配掺入时 ,对水泥凝结与硬化性能的影响。
