反应物

However, increasing temperature also enlarged the dissociation free energy barrier, which in turn resulted in increased desorption of adsorbed precursors.

另外， 发现随着温度的升高，吸附络合物的稳定性降低，其向反应物方向的解吸附变得容易，而向产物方向的解离难度增加。

The names of most enzymes end in-ase, added to the substrate (e.g. lactase) or the reaction (e.g. hydrogenase).

大多数酶的名字以-ase 结尾，通常加在底物或反应物的后面。

The absolute configuration of the product is opposite to that of the reactant when an optically active substrate is used.

在选用光化学底物的时候，绝对产物的构型与反应物的构型相反

Then the nano-sized lanthana (La2O3) was obtained by decomposition of the precursor.

以六水氯化镧与氢氧化钠为反应物，在室温下通过固相化学反应首先合成前驱物氢氧化镧，经热分解得到纳米氧化镧。

The optimum reaction condition for preparation of CoPcY is as follows: a , using CoCl2 as the exchanged salt ; b , complexation temperature of 180 ; c . complexation catalyst of NH4C1 and A1C13 .2, The unsymmetrically substituted cobalt phthalocyanine complexes were synthesized by statistical condensation of phthalic anhydride and tetrabromophthalic anhydride, and further immobilized in MCM-41 molecular sieves by zeolite synthesis method, as well as characterized by XRD,FT-IR,DRS, 1HNMRetc. The catalytic property of CoPcBrx/MCM-41was tested by cyclohexane oxidation using H2O2 or t-BOOH as oxidant.

2采用本路线制备CoPcY的最佳条件为：a、采用氯化钴作为待交换的金属盐；b、络合温度以180℃为宜；c、起始反应物为苯酐、尿素、氯化铵、氯化铝、CoY时，制备出的CoPcY的催化性能最好； 2、首次采用苯酐和四溴苯酐均相浓缩统计合成法制得了不对称取代的金属钴酞菁络合物，并采用~1HNMR、FTIR、DRS等对其进行了结构表征；此外，采用沸石合成法将其固定于MCM-41中孔分子筛，并对其催化性能进行了考察。

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。

TiO〓/K-M supported Ag/SiO〓 composite ceramic membrane tubes have been prepared and used as a membrane reactor for selective separation of C〓H〓 during the catalytic reaction process of CO〓 partially oxidating C〓H〓. By removing C〓H〓 produced in the catalytic reaction, thermodynamic balance of the reaction is upset and some side reactions from C〓H〓 are avoided, thus the conversion rate of C〓H〓 and the selectivity to C〓H〓 are effectively increased.

本研究设计、制备了硅藻土—莫来石陶瓷管负载的Ag/SiO〓复合膜，并将其应用于二氧化碳部分氧化乙烷催化反应过程中产物乙烯的选择性分离，有效地提高了催化反应的反应物乙烷转化率和产物乙烯选择性。

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。

Reactions can only happen in superstructures. We use reaction probability as variable to control reactions in superstructures.

这里反应只在同一个超结构内发生，并以演化几率为参数，来控制超结构内反应物的反应过程。

Grignard Reagent ofmagnesium reacts with halide hydrocarbon, which and Se powder is prepared toSe-Mg Grignard Reagent.

在3倍镁量反应物和15％CuI，在反应温度在45℃反应时间为10小时的条件，并不能有效的合成不对称有机硒醚。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。