Activator can enhance remarkably the activity of fly ash and accelerate secondary hydration reaction of high fly ash content concrete.
激发剂能显著提高粉煤灰的活性，加速高掺量粉煤灰二次水化反应。
The reaction of aluminium with water is secondary.
铝粉和水的反应是次要的。
Metathesis reaction is not only one of the major reactions in secondary school chemistry teaching, but a typical REDOX reaction.
置换反应是中学化学中的主要反应，也是典型的氧化还原反应。
It was found that feed rate affected the secondary reaction in the pyrolysis furnace and the main product.
研究发现，进料量影响了炉管内的二次反应，进而对主要产物收率有重要影响。
Formation damage caused by secondary precipitation of ferric ion is a potential problem in acidizing and excessive iron level would bring a series of chain reaction and vicious cycle.
在酸化作业中，铁离子的二次沉淀所造成的地层伤害是一个潜在问题，铁含量过高会出现一系列连锁反应和恶性循环。
The energy-angular double-differential spectrum of secondary particle in light nuclear reactions is closely connected with reaction mechanisms, and is quite useful to nuclear technology applications.
轻核反应次级粒子的能量角度双微分谱同反应机制是密切相关的，而且对核工程技术很有应用价值。
The results showed that reaction temperature, catalyst type, feedstock properties and catalyst charge in the secondary reaction zone all have influence on MIP catalytic cracking process.
结果表明：反应温度、催化剂类型、原料油性质、第二反应区催化剂藏量等是影响MIP催化裂化技术的主要因素；
Studies in recent years have shown that inflammatory reaction is one of the mechanisms in secondary damage after stroke.
近几年的研究表明，炎症反应是卒中后继发性损害的机制之一。
As an important intermediate of chemical reaction, alcohol, especially secondary alcohol, plays an important in industrial production, medicine synthesis and daily living.
醇类化合物尤其是仲醇类化合物是重要的反应中间体，在工业生产、药物生产以及日常生活中都有重要用途。
On the basis of the analysis of primary reaction, secondary reaction and main products formation, the mechanism model of cellulose pyrolysis was proposed.
并在分析纤维素一次反应、挥发份二次裂解以及各主要产物的生成和演变过程基础上，探讨得到完整统一的纤维素热裂解机理模型。
A secondary air pollutant is a harmful chemical formed in the atmosphere through a chemical reaction among air components.
一二次空气污染物是一种有害化学形成了在大气中经过化学反应之间的空气成分。
The coal-gangue(CG) and CH which were the main components for secondary hydrate reaction, were simplified as one system. Therefore, it was easier than normal way to research this system.
将水泥-煤矸石体系进行简化，以实际参与二次水化反应的主要组分煤矸石和氢氧化钙单独组成一个体系，以此来对煤矸石的特性进行研究。
In the liquefaction process there was reversible reaction between the heavy oil and volatile organic compounds; organic dissolved was mainly transformed into gas in the secondary reaction.
液化过程中挥发物与重油之间存在着可逆反应，轻油在液化过程中发生二次反应主要生成气体。
Besides from the above-mentioned typical characters of hypersensitive reaction, the host cells also produced defense structure in cell walls and secondary metabolic materials.
除了上述典型的过敏性坏死反应特征以外，寄主细胞还产生了细胞壁防御结构和次生物质。
With the aid of HPLC and silver nitrate titration, the structure of zwitterionic surfactant obtained through the reaction of secondary amide and fatty imidazoline has been analysed.
对仲酰胺和咪唑啉合成的两性表面活性剂的结构，本文分别利用高效液相色谱和硝酸银滴定的方法进行分析。
This paper were introduced the production method and reaction mechanism of fatty secondary amine was studies also on optimum reaction condition.
本文叙述了脂肪仲胺的生产方法及反应机理，研究了最佳反应条件。
This paper were introduced the production method and reaction mechanism of fatty primary and secondary amines, was studies also on optimum reaction condition.
本文叙述了脂肪伯胺和肿胺的生产方法及反应机理，研究了最佳反应条件。
By engineering calculating, the flow chart and the engineering capacities of the main PSB reaction tank, the secondary setting tank and the seaweed pond are obtained.
通过工程计算，设计出工艺流程图及光合细菌反应池、二沉池和海藻塘的工程容量。
The reaction mechanism and kinetics of CO2 with primary, secondary, tertiary and steric hindered amines are described.
文章介绍了伯胺、仲胺、叔胺及空间位阻胺溶液反应的机理和动力学。
A novel addition reaction of methyl phenyldiazoacetate to enamine(which was prepared from acetophenone and secondary amine) was investigated using copper salt as a catalyst.
在铜盐催化剂的作用下，重氮苯乙酸甲酯与吗啉衍生的烯胺能够发生一种新型加成反应。
Properly selected reaction temperature can suppress the secondary reactions and enhance the production of propene and ethene.
选择适宜的反应温度条件能够有效地抑制副反应，从而提高丙烯、乙烯的总产率。
Conclusion Obvious endotoxemia and inflammatory cytokine reaction may appear early in severe brain trauma. Endotoxin is likely one of the cause resulting in and aggravating secondary brain injury.
结论严重颅脑损伤后可出现明显的内毒素血症及炎性细胞因子反应，内毒素可能是引起和加重继发性脑损伤的原因之一。
In both woods, chlorine reacted very rapidly with lignin but the extent of reaction was greater in the secondary wall than in the cell corner middle lamella.
无论是云杉或是桦木，细胞角处的胞间层或次生壁的木素都极易和氯反应。
Conclusion Acupuncture can obviously reduce the inflammatory reaction for the patient with STBI, reducing secondary brain injury.
结论：针刺能减轻重度颅脑损伤后脑内炎症反应，从而减轻因炎症反应引起的继发性脑损害。
First, the distance between the anode and cathode should be increased enough in order to limit the secondary reaction.
提高电流效率的途径有两条：一是增大阴、阳极间距，减小副反应的发生；
Water has the tendency of inhibiting the secondary reaction.
水更倾向抑制副反应。
The diagenetic environment results in different water-rock reaction and development of secondary porosity.
成岩环境在一定程度上影响了水岩反应及次生孔隙发育。
The diagenetic environment results in different water-rock reaction and development of secondary porosity.
成岩环境在一定程度上影响了水岩反应及次生孔隙发育。
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