Research on the Anti-oxidation and Anticoagulation in Air Flow Dehydration Process forFeed Ferrous Sulphate;
饲用硫酸亚铁气流脱水过程中抗凝结、抗氧化研究
The residue of pyribenzoxim in the samples of paddy soil and rice straw,grain was shaking-extracted in acetone,and cleaned up by coagulation and determined by HPLC with UV (ultraviolet) detector.
样品采用丙酮振荡提取,凝结净化和高效液相色谱检测。
By the discussion on the technology and its significance of correctly determining consumption,coagulation time and stability for cement standard consistency,the paper introduced the importance of correct test methods for reference.
通过论述正确测定水泥标准稠度、用水量、凝结时间及安定性的技术和意义,说明正确的试验方法具有极其重要的作用。
The Quick Judgement of the Setting State for Roller Compacted Concrete;
碾压混凝土凝结状态的快速判断
The setting retarding effect and the abnormal setting characteristic are strengthened when at reasonable dosage and unreasonable dosage respectively.
结果表明,高胶凝性水泥对缓凝剂表现出敏感的反应特性,在合理掺量范围内,使缓凝效果加强,在非正常掺量下,使异常凝结特性加剧,并且掺量范围较传统水泥更窄。
The impact of heavy metal oxides, such as ZnO, PbO and CuO, on the setting time and mechanical properties of cement pastes was investigated.
研究了低掺量重金属氧化物ZnO ,PbO和CuO对水泥浆体的凝结时间和力学性能的影响 ,并借助SEM和XRD探讨了它们对水泥浆体微结构的影响 。
Under the conditions of higher water-cement radio,a certain consistency FDN high-range water reducer and hermetic surrounding,the cement paste did not set in a long time.
在较大水灰比，一定浓度ＦＤＮ高效减水剂及密闭条件下，上层水泥浆体会长时间不凝结。
The results showed that the change of microstructure induced by hydrating products was the fundmental cause of setting and hardening.
对新型人工骨材料磷酸钙骨水泥（ＣＰＣ）浆体的微结构进行了研究，发现水化产物增多引起的浆体微结构变化是ＣＰＣ凝结和硬化的本质原因。
Under the conditions of higher water-cement ratio, a certain consistency FDN high-range water reducer and hermetic surrounding, the cement paste did not set in a long time.
研究结果表明，拉索内灌浆离析，使浆体中的水分、FDN高效减水剂等富集于拉索上段；在较大水灰比，一定浓度FDN高效减水剂及密闭条件下，水泥浆体会长时间不凝结。
Condensation of Water Vapor on Fabrics Surface;
微孔膜防水透湿织物热湿传递中织物表面凝结
Calculation of Forced Convection Condensation of Steam in a Vertical Tube in the Presence of a Noncondensable Gas;
不凝性气体存在时蒸汽在竖管内强制对流凝结换热的计算
Mathe matical model and calculation for heat transfer during condensation on surfaces of corrugated plates;
波纹板表面凝结传热的数学模型与计算(英文)