查询词典 reactant

The graft reactant IPP g MAA was identified by means of IR spectra.

红外光谱证实了接枝物IPP－g－MAA的存在。

Various factors (such as acidity and basicity, amount of catalyst, carrier gas velocity, amount of reducer , time and temperature of reaction, volume of reactant) have different influences on the Magos' method which determines inorganic and organic mercuries.

本文研究了各种因素(酸碱度、催化剂的用量、载气流速、还原剂的用量、反应温度、反应时间、反应物的体积)对Magos法测定无机汞和有机汞的影响。

The effects of ball to powder ratio, radius of ball, reactant ratio, process control agent and mill style on the reaction incubation time of kinetics were studied.

球料比、球径大小、反应物料配比、过程控制剂和球磨机的类型等外界因素对反应动力学中的孕育期产生重要的影响。

Many methods can be used to indicate the endpoint of a reaction; titrations often use visual indicators (the reactant mixture changes colour).

多种方法都能用于指示反应终点：滴定常常使用视觉指示剂（反应混合物颜色发生变化）。

Through modifying proportions of potassium nitrate, sulfur, phenolophthalein and potassium hydrate, formula of charcoal-free black powder is optimized by replacing charcoal with reactant of phenolphthalein and potassium hydrate.

以酚酞和氢氧化钾的反应物替代木炭，通过调整硝酸钾、硫磺、酚酞及氢氧化钾的混合比例对无木炭黑火药配方进行优化设计，对比研究了普通黑火药与无木炭黑火药在机械感度、静电火花感度、热分解过程及输出特性等方面的差异。

The reaction routes of reactant complex and transition state are accurately form vibration analysis and energy change.

通过振动频率及能量变化分析，说明反应物和过渡态均位于正确的反应途径上。

On the other hand, steam can be used to restrain the side reaction such as hydrogen transfer reaction so as to increase the yield of light olefins by diluting the concentration of the reactant. In addition, minor steam can react with the feed hydrocarbon resulting in the decrease of coke and the formation of active hydrogen without the increase of hydrogen gas and light saturates that is not desirable.

另一方面，水蒸气不仅仅具有降低烃分压的作用，抑制了氢转移反应等副反应，对于低碳烯烃的产率有好的影响，而且在反应过程中，少量参与了反应，与烃类发生了水煤气反应，生成了活泼氢，不仅降低了焦碳的产率，并且没有提高氢气、低碳烷烃等不希望得到的产物。

The invention uses the industry byproduct in production of sulfonation-process phenol or the byproduct (Na2SO3 content is 60-85percent) in production of p-cresol and sodium hydrosulfite to produce the aliphatic high range water reducer and takes acetone, formaldehyde, industry byproduct, sulphite or sodium pyrosulfite as raw materials and then sulfonation and condensation reactions are carried out in aqueous medium, the reactant weight ratio is acetone: formaldehyde: sulphite plus industry byproduct: water is equal to 1:2.5-4.5:1.5-2.6:4.0-6.0, the mass concentration of the condensation compound obtained is 30-42 percent, and the viscosity thereof is 20-100m.

本发明利用磺化法苯酚生产中的工业副产品，或者对甲酚和保险粉生产过程中副产品(Na 2 SO 3 含量在60～85％)生产脂肪族高效减水剂，采用丙酮、甲醛、工业副产物、亚硫酸盐和或焦亚硫酸钠作为原材料，在水介质中进行磺化和缩合反应，反应物的质量比为丙酮∶甲醛∶亚硫酸盐副产品∶水＝1∶2.5～4.5∶1.5～2.6∶4.0～6.0，所得到的缩合物的质量浓度为30～42％，粘度为20～100m。

The water added in the reaction system was a reactant witch via the water gas shift reaction to generate hydrogen in situ witch in turn is used for residue upgrading.

在本研究的反应体系中，水主要作为一种反应物，与体系中存在的CO通过水—气变换反应现场为渣油加氢提供氢源。

It can be shown from experimental results, the diameter of the droplet in the W/O microemulsion which have dissolved reactant zinc nitrate and sal volatile is between 4.9 nm and 7.7 nm, 6.2 nm and 12.4 nm, respectively.

测定结果表明，微乳液中液滴大小均匀，分布很窄，直径分别在6.2～12.4nm和4.9～7.7nm之间，非常适合作纳米反应器来制备纳米粒子。

Now she was hungry and angry.She began to smoulder.

现在她又饿又气，她开始流露难以抑制的怒火。

You have placed our iniquities before You, Our secret sins in the light of Your presence.

诗90：8 你将我们的罪孽摆在你面前、将我们的隐恶摆在你面光之中。