查询词典 reactants

In hydrolyses of compounds with ionic bonds, the nonwater reactants are salts, acids, or bases, participating in dissociation reactions.

在带离子键的化合物的水解中，参与离解反应的非水反应物是盐、酸或碱。

From the potential energy profile, it can be predicted that, the dominant channel of this reaction consists of three steps: the two reactants first form a three-membered ring intermediate (INT1) through a barrier-free exothermic reaction of 19.2 kJ/mol; three-membered ring intermediate (INT1) isomerizes to a four-membered ring silylene(P2) via the transition state (TS2) with an energy barrier of 22.8 kJ/mol; four-membered ring silylene(P2) further reacts with ethene(R2) to form a silicic bis-heterocyclic compound (P3), which is also a barrier-free exothermic reaction of 132.2 kJ/mol.

用CCSD//MP2/6-31G*方法研究了单重态二甲基亚烷基硅烯与乙烯生成硅杂双环化合物环加成反应的机理，根据该反应的势能面可以预言，该反应的主反应通道有三步组成：第一步是两反应物（R1， R2）首先生成了一三元环中间体（INT1），它是一无势垒的放热反应，放出的能量为19.2 kJ/mol；第二步是三元环中间体(INT1)经过渡态TS2异构化为了四元环硅烯（P2），其势垒为22.8 kJ/mol；第三步是四元环硅烯（P2）进一步与乙烯(R2)反应生成了硅杂双环化合物（P3），该反应也是一无势垒的放热反应，放出的能量为132.2 kJ/mol。

The two competitive reactions both consist of two steps, two reactants firstly form a three-membered ring intermediate (INT1) and a twisted four-membered ring intermediate (INT2), respectively, both of which are barrier-free exothermic reactions of 41.5 kJ/mol and 72.3 kJ/mol; then INT1 isomerizes to a four-membered ring product (P1) via transition state (TS1), and INT2 results in the chlorine-transfer product (P2) via transition state (TS2), with the barriers of 2.9 kJ/mol and 0.3 kJ/mol, respectively.

INT1和INT2分别经过渡态TS1和TS2异构化为了四元环产物P1和生成了氯迁移产物P2，其势垒分别为2.9和0.3 kJ/mol。

In this paper, aiming to solve these problems and meet the developmentrequirement, firstly a series of grafted starch sizing agent with good pasting and excellentsizing performance were synthesized utilizing the cheap mealie starch as the reactants.The denatured starch, polyacrylic size combination, nanometer compound acrylic acidcopolymerization pulp with titanium dioxide, the silicon dioxide has designed a series offormulas. The results showed the polyester size had stable viscosity and excellentfilm-formation property, thus it was a good size for fiber. At last, a kind of mixed sizeswas presented to reach the satisfied results of high density and low viscosity.

本文针对当前浆料存在的问题，结合浆料发展的趋势，立足于廉价的玉米淀粉，开发制备了性能优异的接枝淀粉，该浆料上浆性能优异且退浆容易，是一种能获得较好经济效益和社会效益的绿色浆料；将变性淀粉、丙烯酸乳液聚合浆料、纳米二氧化钛和二氧化硅乳液共聚浆料组合，设计了一系列配方，在对这些配方进行了一系列性能测试的基础上，找到了一种无PVA且价格低廉的组合浆料。

The mineral associations of black ore are thus infeered to be more complete reactants of this reaction.

我们认为正是这种出溶叶片导致上述两种矿石出现颜色差异。

Using tellurium power and corresponding simple metal salts as reactants, we have prepared a series of nanocrystalline metal tellurides (Cu〓Te〓, CoTe〓, NiTe〓, SnTe, Ag〓Te, CdTe, PbTe) in ethylenediamine system at low temperature (140-180℃).

通过乙二胺体系的溶剂热过程，以碲粉为碲源，从简单金属盐出发，在较低的温度下（140-180℃）成功地制备了一系列纳米金属碲化物(Cu〓Te〓、CoTe〓、NiTe〓、SnTe、Ag〓Te、CdTe、PbTe)。

In this work, salbutamol and sulphuric acids were used as reactants and isopropanol was used as a solvent.

以沙丁胺醇和硫酸为反应物，在异丙醇溶液中采用反应结晶法制备超细硫酸沙丁胺醇颗粒。

Enzymes can not onlykeep original traits after being immobilized but can be separated easily from reactants and resultants as well.

而酶的固定化后除了保持原有的特点外，易与反应物和产物分离，可回收重复使用，降低生产成本。

A new assay of chicken liver DHFR using HPCE has been established. The reactants and resultants were separated in above conditions.

建立了高效毛细管电泳法对鸡肝二氢叶酸还原酶的测定方法，反应物和产物在该条件下实现了分离。

The results indicated that reaction of HCN oxidation to NO finished in milliseconds, and radicals were important reactants or resultants of main elemental reactions during oxidation of HCN. Concentration of radicals had important effect on rate and extent of reaction.

计算结果表明，HCN氧化生成燃料型NO的反应在毫秒级时间内完成，占控制地位的基元反应都涉及到自由基，自由基的浓度决定反应的速率和进行程度。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。