GRE

reactant单词基本解析：

n.反应物
n.[化]反应物
n.反应物；

reactant变化用词：

简写符号: X |

reactant英英释义：

Noun

1. a chemical substance that is present at the start of a chemical reaction

名词 reactant:

a chemical substance that is present at the start of a chemical reaction

reactant[ ri'æktənt, ri:- ]n.a chemical substance that is present at the start of a chemical reaction

reactant中文词源：

reactant 反应物 物理名词术语，来自 react,反应，反抗，-ant,名词后缀。

reactant用法和例句：

This preparation uses dialkyl imidazole salt, alkyl pyridine salt or caprolactam and fatty acid as reactant.

该方法使用带有二烷基咪唑盐 、 烷基吡啶盐或者己内酰胺和脂肪酸作为反应物.

The synthesis and application of reactant polyurethane fixing agent were introduced.

介绍了反应性聚氨酯预聚树脂固色剂的合成及其应用.

Among rate of reactant and water content were the two more important factors.

在试验中发现流速和水含量是一个非常重要的因素.

The ratio changes with reactant concentration, and could be used to optimize syntheses conditions of carbyne.

结果表明,两者比值对反应物浓度的变化具有相关性, 可用作碳炔材料制备中实验条件的优选手段.

PT generation rate was sensitive to reaction temperature, hydrogen pressure and reactant concentration.

而反应温度 、 氢气压力和反应浓度对氢化反应之产物生成量的影响显著.

The influence of reacting temperature and ratio of reactant were studied.

研究反应温度、反应物配比的影响.

The reaction rectification technique can solve the conflict between the reactant conversion and the product selectivity.

反应精馏技术应用到该领域可解决原料转化率与产品选择性的矛盾,该合成方法的研究在美国刚刚起步.

The effects of reactant mole ratio , catalyst dosage , microwave irradiationtimeyield of cyclohexanone glycol ketal were investigated.

用十二水硫酸铁铵作催化剂, 微波辐射催化合成环己酮乙二醇缩酮.

The yield was influenced by reactant concentration, temperature, acidity, and reaction time.

初步探讨了反应物浓度 、 温度 、 酸度和反应时间对产物产率的影响.

Ultrasonic airlift loop reactor ( O 3 for the reactant gas ) shows potential , wide application for wastewater treatment.

采用超声波内环 流气 升式反应器对某印染厂印染废水进行处理研究.

Serum amyloid A ( SAA ) is a sensitive reactant in the acute phase.

血清淀粉样蛋白A ( SAA ) 是一个非常敏感的急性相反应物.

Oxygen is often used as reactant in chemical processes.

在化学过程中,氧气经常充当为反应物.

辞典例句

reactant

1.2.3 RT-PCR reaction and agarose gel electrophoresis: take forementioned reversion record reaction product to 25 l reactant intermediate to proceed PCR reaction.

2.3 RI’- pcr反应和琼脂糖凝胶电泳:取上述逆转录反应产物于25川反应体

As to the variety of DL01,the quantity of Maillard reactant,Cembratriendid alkyl degrading products and higher content a...

DL01在美拉德反应物、西柏烷类降解物及含量高的重要香味物质等方面优于其它品种,具有一定的推广价值.

The geometry optimizations of reactant, transition state, intermediate and product are made at MP_2/SDD level.

MP2/SDD 水平上优化了反应物、过渡态、中间体和产物的几何构型。

Sludge Reduction Effect by PAA and Fenton Reactant

PAA与Fenton试剂对污泥的减容效果

UV reactant parts will “glow” under a UV source such as a UV cathode.

UV零件在UV灯管的照射下会发出荧光。

a series of chemical reactions in which the product of one is a reactant in the next.

一系列的化学反应，其中某次反应的产物是下一次反应的反应物。

obligatory reactant

专性反应体

A method of simultaneously determination of reactant and product for esterification of Lphenylalanine was described.

为研究L-苯丙氨酸的甲酯化反应，需要寻找一种能同时对反应物和产物进行准确测定的分析方法。

Measuring method of reactant diffusion coefficient in polymer film was introduced. This would provide potent guidance for researching reaction mechanism.

介绍了反应物在聚合物膜中扩散系数的测定方法。对于聚合物修饰电极上反应机理的研究提供了有力的指导。

Introduce the application of liquid iron desulphuration in North America from injection method, reactant test, lead pretreatment, twin-tunnel lance technology, deslagging operation.

从喷吹方法、反应剂试验、铅预处理、双道喷枪技术、除渣操作几个方面介绍了铁水脱硫在北美的应用。

When H3PO4 is used as stabilizer, proportion between solid reactant and liquid and reaction temperature have greater influences on colloidal formation.

以H_3PO_4作为稳定剂时,加料固液比和反应温度对胶体形成的影响较大;

Preparation of Ti-Ce Complex Oxide Catalysts for Wet Air Oxidation with Acetic Acid as Model Reactant

以乙酸为模型反应物的Ti-Ce复合氧化物湿式氧化催化剂的研制

The hydrodenitrogenation(HDN) performance of the molybdenum carbide catalyst was evaluated by using 5% pyridine/cyclohexane as a model reactant.

以吡啶/环己烷溶液为模型化合物,在高压微反装置上评价了碳化钼催化剂的吡啶加氢脱氮性能。

The colourity and oxidation stability of the coker gas oil from Liaohe crude have been improved with reaction adsorption method by taking substance A as reactant and clay as decolourant.

以物质A为反应物,白土为脱色物质,用反应吸附法改善辽河油田焦化柴油的色度和氧化安定性。

G409 is a good kind of clarificant. (NH4) 2CO3 is the best amino chemical compound of the several reactant used in this study because of its advantages of low cost and good result.

作为反应剂的氨基化合物以碳酸铵为宜，它具有成本低、效果好的优点，碳酸铵用量以2%（按原料糖蜜计）为宜。

for example, the association of reactant with enzyme to form a complex, or the association of gaseous reactant with an active site on the catalyst surface.

例如，反应物与酶缔合生成某种化合物，或气体反应物在催化剂表面上的活性部位发生的缔合作用。

Other parameters, particularly the economics of the reaction sequences, including the costs of the reactant equipment, must also be taken into consideration.

其它因素，尤其是生产这些化合物的经济因素，包括反应设备的成本，必须考虑在内。

The explanation could lie in the sharp temperature jump a particle experiences when it becomes dispersed in a bubble of reactant gas

其解释是当颗粒被分散于反应气体的气泡中时，经受着温度的突然跃升。

leading reactant

前导反应物

then add catalyst with 1% weight of reactant, (stannous octanoate with 1% volume of reactant);

加入催化剂,用量为反应物重量的1%,其中液体的辛酸亚锡用量为反应物体积的1%。

reactant cross-linker

反应性交联剂

reactant fixing dyes

反应性固色染料

reactant gas

反应气体

Effects of Reactant Flow Rate and Backpressure on the Performance of PEM Fuel Cells

反应气体流量和背压对PEM燃料电池性能的影响

Effects of Reactant Gas Flow Rates on the Current Distribution in a PEM Fuel Cell

反应气体流量对PEM燃料电池内部电流分布的影响

reactant mixture

反应混合物

EFFECTS OF REACTANT, CATALYST AND TEMPERATURE ON THE BZ OSCILLATING REACTION IN CLOSED SYSTEM

反应物、催化剂以及温度对封闭体系BZ振荡反应的影响

Geometry of reactant

反应物几何构象

Determination on the Diffusion Coefficient of Reactant in Polymer Film

反应物在聚合物膜中的扩散系数的测定

Influence of Feed Concentration of a Reactant on Its Conversion Ratio

反应物的投料浓度对其自身转化率的影响

Effect of the Particle Sizes of a Reactant on Its Reaction Equilibrium Constants

反应物粒度对化学反应平衡常数的影响

reactant composition

反应物组成

reactant quantity

反应物量

It is found that the content of m PPS in m,p RPPS increases with the content of m DCB in reactant.

发现m ,p RPPS中间苯撑硫醚(m PPS)的含量随反应物中间二氯苯 (m DCB)含量的增加而增加 ,且有一定规律性。

The reactant in an induced reaction that has an increased rate of reaction in the presence of the inductor.

受体，受容体在一个诱导反应中的反应物，因诱导剂的存在而有增加的反应速度

the reactant in an induced reaction that has an increased rate of reaction in the presence of the inductor

受体，受容体，在一个诱导反应中的反应物，因诱导剂的存在而有增加的反应速度

Because the antigen?antibody reaction is an equilibrium binding reaction, the magnitude of the signal relies on the concentration of each reactant.

因为抗原－抗体反应是一个平衡结合反应，所以信号量依赖于每个反应物的浓度。

Nitropyridine-N-oxide was synthesized with pyridine as original reactant through N-oxidation and nitration reactions, by using water as medium, tungstic acid and sulfuric acid as catalysts.

在N-氧化反应中,因用水作为反应介质,钨酸和硫酸为催化剂,不仅降低了反应成本,减少了环境污染,而且N-氧化吡啶的产率较高为96。

Oxygen is often used as reactant in chemical processes.

在化学过程中，氧气经常充当为反应物。

Under a constant total pressure, decreasing the partial pressure of the reactant would decrease the DIPE conversion but increase the product selectivity.

在总压力不变的情形下将进料分压降低，转化率会下降，但选择率会提高。

Although a larger volume of the pad would result in a longer reaction time, it may be counteracted by a reactant dilution causing a decreased signal and also an unacceptably long assay (8).

在测定每个抗体的最佳浓度中，我们用到了这样一个方案：先将捕获抗体以特定的浓度固定在膜上预留的部位，然后改变标记抗体浓度得到最大的信号－噪音比例。

Abstract By addition of a reactant with stoichiometric ingredient of Ti and B to molten Al Si alloy,a particulate reinfaced cast TiB 2/Al Si composite by in situ reaction has been achieved.

在铝硅合金熔体中加入Ti和B成理想配比的反应剂，原位生成颗粒增强铸造复合材料TiB2/Al?Si。

Research on the experiment to improve the concrete intension of flyash by external reactant

外加剂提高粉煤灰混凝土强度的试验研究

During the reaction,if the alkalinity of reactant solution is too strong,the most sulfanilamide will be obtained;

如果碱性太弱，得到最多的是联乙醯磺胺，第二是磺胺醋酰，第三是磺胺。

It is found that microwave power,microwave radiation time,solvent consumption and reactant ratio all exert an influece on the reaction process.

实验结果表明,微波功率、微波辐射时间、溶剂的用量和反应物的摩尔比对该反应都有影响。

The result indicted that the reactant content reduced did not affect the exact extent of the analysis, and the phenomena was very distinctness in the end point.

实验表明,降低反应物浓度不影响分析结果准确度,终点现象明显。

The equivalent ESR amplitude in relation to different amount of coke formation is observed, on three catalysts, it means that the different reactant species from three catalysts make different contributions to ESR amplitude.

对三种催化剂观测到相同ESR幅值对应着不同的积炭量,这意味着来自三种催化剂的不同反应物种对ESR幅值贡献不同。

The phenomenon of the oscillation burning has been observed and reco rded, and the relationship of the concentration of the reactant with the frequen cy of the oscillation has been obtained.

对振荡燃烧现象进行了观察和记录，得到了各反应物与振荡燃烧现象的关系。

for reactant alkanes, the amount of coke deposited on the catalyst is remarkably increased with the increase of carbon chain length, and the coke tends to deposit into macropores of the catalyst.

对直链烷烃反应物，碳链越长则催化剂积炭量越多，且分布于催化剂所有的孔内；

The effects of reactant ratio, reaction time, catalyst amount,the species and amount of deaquation reagent on the yield of benzaldehyde 1,3-butanediol acetal were investigated.

对苯甲醛与1,3-丁二醇在钒磷氧催化剂作用下的缩醛化反应进行了研究,考察了醇醛比、反应时间、催化剂用量、带水剂种类和体积等因素对苯甲醛1,3-丁二醇缩醛收率的影响。

The effect of scale inhibition performance of the polymer inhibitors on different synthetic conditions(reaction time，reaction temperature，reactant ratio etc.) were discussed.

对这三种防垢剂研究了反应条件(反应时间、反应温度、反应物配比等)对产品防垢性能的影响；

Applied on the reactant unit two end in parallel FSR switch to reaalize energy saving and lowering consumption.

并采用电抗器两端并联FSR高速开关,实现了节能降耗。

reactant concentration

底物浓度

The optimal molar ratio of the reactant (CO:O2:C2H5OH) was around 10:1:4, giving ethanol conversion 31.2% and the selectivity to DEC 96%.

当乙醇、氧气、一氧化碳的配比为4: 1: 10时，乙醇转化率达到31.2%，碳酸二乙酯选择性达到96%。

The main factors which have influence on the volume of reactor are reactant concentration,the leaching ratio of aluminium o...

影响反应器体积大小的主要因素有物料浓度、氧化铝浸出率、反应温度和反应时间等。

Recycle reactor has been widely used and it is convenient to control the reactant concentration,the final percent conversion and the yield of target product.

循环反应器具有便于控制反应物浓度、最终转化率和目的产物收率等优点而被广泛应用。

acute phase reactant

急性期反应物

acute-phase reactant protein

急性期反应物蛋白

A Discussion of the Moving of Chemical Equilibrium Caused by Increasing the Moles of a Reactant on the Condition of Isothermal and Isobaric

恒温恒压下增加反应物量对化学平衡移动的辩析

Convalescent phase reactant

恢复期反应物

It is important that the dependence of the burning rate on both the local reactant character and the local gas dynamic environment be adequately represented.

恰当地表示燃烧速率随局部反应物特性和局部气动力环境的变化关系是很重要的。

grafting reactant

接枝反应物

reactant ratio

推进剂组分比 反应物比例

Based on analyzing the defects existing in traditional sonochemical reactors, the authors developed a new type of sonochemical reactors that controls the reactant temperature by cooling and heating.

摘要在分析传统声化学反应器缺陷的基础上，研制了一种新型声化学反应器。

Those effects of water/carbon ratios on partially oxidizing and steam reforming of gasoline, which used n-octane as reactant, have been investigated in this paper.

摘要本文用正辛烷代替汽油从理论和实验两方面研究了水碳比变化对汽油氧化重整制氢反应的影响。

The ion mobility was measured at different temperatures and the effects of the temperature in drift tube on the variety and yield of the reactant ions and product ions were discussed.

摘要离子迁移率、反应物离子的种类和产量与漂移管工作温度有很大的关系。

Abstract: A method of simultaneously determination of reactant and product for esterification of L-phenylalanine was described.

文摘:为研究L-苯丙氨酸的甲酯化反应，需要寻找一种能同时对反应物和产物进行准确测定的分析方法。

Study of Gas Chromatographic Method for Analysis of Neopentylglycol Reactant Solution

新戊二醇反应液色谱分析方法的研究

Methods: 68 cases of children with RRTI were treated by Injection of Astragali as the musculi dorsi reactant and 51 cases by levamisole as control.

方法:68例RRTI患儿采用背肌反应物注射黄芪注射液治疗,并与左旋咪唑治疗51例进行疗效对比观察。

The conditioned velocity measurement, which traced only the reactant flows, was made possible by using a silicon oil aerosol as the LDA seed.

无条件示踪的测量结果表明，火焰区的流场存在湍流度迅速增大然后衰减的现象，而速度的测值呈现双峰分布。

When other conditions are the same, the nanoparticles prepared without adding alkalinous medium in reactant have a certain crystalliza...

晶化程度的差别导致两者的磁性能明显不同,并使两者粒子具有不同的微观聚集状态。

Keywords mannich reactant;polyether;urethane foam;aqueous foaming;inflaming retarding;

曼尼期反应物;聚醚;聚氨酯泡沫;水发泡;阻燃;

Finally, the application of the product is researched, and the reactant’s emulsifiable solution capability testing is conducted, which shows that the stability is better with washing nature.

最后，对醇醚磷酸酯的应用进行了研究，进行了乳液性能检测，乳化力和稳定性较好。

organic reactant

有机反应物

The result showed that a black substance, which was the reactant of Tannins and Fe3+, was the main factor of arousing discoloration.

木材在干燥过程中产生的干燥变色导致木材使用价值和利用率的降低,这已经引起了国内外研究者的普遍关注。

From the aspects of purity, concn, dosage, medium and titration order of reactant, this article discusses the reagent we should care in Chemical experiment.

本文从反应物的纯度、浓度、用量、介质和滴加次序等方面论述了化学实验中使用化学试剂应注意的问题.

Deliming using CO2 Supercritical Fluid(CO2 SCF) as reactant was investigated, and the effect of the presure, temperature and time on deliming and degrease was studied.

本文以CO2超临界流体作反应物用于制革的脱灰，研究了超临界CO2的压力、温度、时间及工艺对脱灰和脱脂的影响。

The first reduction wave of folic acid in Britton-Robinson buffer was studied,it was found to correspond to a 2e-2H~+ reversible wave with very strong adsorption of both reactant and product at low pH.

本文研究了在B-R缓冲底液中叶酸第一个还原波的性质,认为在低pH时,叶酸的还原波是一个2e-2H~+可逆吸附波。

The present paper studies and reports a theroy of quantitative analysis using the kinetic curve of chemiluminescence reaction. Determination of reactant and catalyst were also discussed.

本文研究和报道了利用化学发光反应动力学曲线进行定量分析的理论，对参加反应物质和催化剂的测定也进行了讨论。

The Influence of Ball Milling Reactant Under Mechanical Alloying Technique

机械合金化工艺参数对最终生成产物的影响

用作名词(n.)

Oxygen is often used as reactant in chemical processes.
在化学过程中，氧气经常充当为反应物。

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