The article confirm the proportion of diversified raw and processed materials , and confirm the technical parameter of polymerization 、 esterifing and neutralization . the qualities of this shrinkage reducing agent adding to the concrete are 1 . 2 % of the qualities of the cement in the concrete 论文中确定了合成聚丙烯酸盐类减缩剂的各种原材料的配合比,确定了聚合、酯化和中和反应的各种工艺参数,并合成出了聚丙烯酸盐类减缩剂。
Abstract : the equilibrium constant of carbonization reaction of lime white was calculated using three thermodynamics methods . the results indicate that the carbonization reaction of lim white was the neutralization reaction between acid and alkali first , and it was the transform reaction of precipitation second . the essential cognition of the carbonization reaction of lime white was deepend . it was of guiding significance for industrial production of light ( precipitation ) calcium carbonate 文摘:用3种热力学方法计算了石灰乳碳化反应的平衡常数,结果表明,石灰乳的碳化反应首先是酸碱的中和反应,其次才是沉淀的转化反应,从而加深了对石灰乳碳化反应本质的认识,对轻质(沉淀)碳酸钙的工业生产有指导意义
Abstract : this paper describes a new preparation technique of calcium iodate . at the presence of hydrochloric acid , iodine is oxidated by sodium chlorate , and then reacts with calium hydroxide . a series of constrasted experiments are made on the conditions and different techniqures . relatively high productivity and purity at low cost . easy controllability and operation are the main features of this kind of technique 文摘:介绍了以单质碘为原料,在盐酸存在下,经氯酸钠氧化,再与氢氧化钙进行中和反应制备碘酸钙的方法,并做了最佳工艺条件和不同方法的对比实验.本法具有收率较高、纯度较高、生产成本较低及反应条件易控制、设备简单、操作方便等特点
The article analyze the concrete drying shrinkage mechanism , find the major factors of affecting the drying shrinkage , analyze the lack of shrinkage reducing agent , who be of low molecular weight and line chain , design a new shrinkage reducing agent ? ? shrinkage reducing agent of poly - acrylate . the shrinkage reducing agent of poly - acrylate is mainly composed of crylic acid 、 cinnamene 、 poly - glycol 、 solicitating agent 、 chain transferring agent and activator , which come by these processes of polymerization 、 esterifing and neutralization to form a pectinate polymer , which have a high molecular weight and many poly - oxidative alkenes 论文分析了混凝土干燥收缩的机理,确定了影响干燥收缩的关键因素,分析已有低分子量的、直链型减缩剂的不足,设计了一种新型的减缩剂? ?聚丙烯酸盐类减缩剂,其主要由丙烯酸、苯乙烯、聚乙二醇、引发剂、链转移剂、催化剂等经过聚合、酯化和中和反应,生成一种高分子量的、含聚氧化烯链的聚合物。
中和: neutralization; balancing ou ...反应: neaction病毒中和反应: virus neutralization reaction毒素中和反应: toxin neutralization皮肤中和反应: dermal neutralization test血清中和反应: serum neutralization; serum neutralizing结合抗体中和反应: fixed antibody neutralization中和反应对数指数: logneutralization index中和反应指示剂: neutralizing indicator血清中和反应,血清中和作用: serum neutralization毒素抗毒素中和反应: toxin antitoxin neutralization中和反应指示剂 中性指示器: neutralizingindicator饱和反应器: saturating reactor紧急准备和反应科: emergency preparedness and response section稳定性和反应性: stability and reactivity有机缓和反应器: organic moderated reactor传染病监测和反应部: department of communicable disease surveillance and response光化学和反应动力学: photochemistry and reaction dynamics紧急准备和反应方案: emergency preparedness and response programme流化床系统和反应器: fluidized-bed systems and reactors; fluidized―bed systems snd reactors流化床系统和反应器300: fluidized-bed systems and reactors全球疫情警报和反应网: global outbreak alert and response network应急准备和反应干事: emergency preparedness and response officer蒸馏釜和反应器操作工: still and reactor operators中和: neutralization; balancing out; neutralize 用一种碱中和一种酸 saturate an acid with an alkali; 中和点 point of neutralization; 中和剂 neutralizer; 中和作用 neutralization