反应物

The concentration of sodium bichromate (Na2Cr2O7) in the reaction of synthesizing yellow chrome need not to be as high as 150~250gL-1, which is asserted by predecessors.

本试验中使用的淋滤液 NdiCtZO7浓度最低可达到 589·L＼因此，一些浓度较高的铬渣淋滤液可不必经过浓缩而直接作反应物制取铬黄。

The effects of reactant concentration, reaction temperature, pH value, additive and calcine on TiO2 crystalline size and morphology were discussed.

重点研究了反应物浓度、温度、pH值、添加剂和煅烧等条件对产物形貌和尺寸的影响。

The research showed that one of the main causes of forming soot was excessive carbonization during depositing pyrolytic carbon.

研究表明：热解碳沉积过程中炭黑形成的主要原因之一是反应物气体在气相中过度碳化。

The yield was about 32% by optimizing the scalar of catalyzer and the molar ratio of reactants.

在实验中，对催化剂的用量和反应物的投料比进行了优化，在最优条件下，目标产物收率为32％左右。

Includes a powerful chemical equation balancer that can solve the most complex organic reactions and calculate molecular weights and amounts of reagents.

通过它附带的强大的化学方程式配平工具，用户可以解决大多数复杂的有机化学反应，计算反应物的分子量和质量等。

Under these conditions, an equal high yield of methyl ester (97%) was achieved for the crude cottonseed oil and the refined cottonseed oil.

在此条件下，精制棉籽油和粗制棉籽油的最高甲酯得率均可达到97%，且反应物乙酸甲酯和副产物三乙酸甘油酯均对脂肪酶无失活作用。

Under the microwave radiation, makes the catalyst with the potassium iodide,The sodium hydroxide makes the neutralization agent, synthesized the phenmethyl -2- naphthyl ether, take 2- naphthol and the chlorination animal pen as the raw material, Uses the single factor cut-and-try method, To a reactant mole of ratio, the catalyst and the solvent amount used, the microwave power, the radiation time and so on have conducted the research to the product receiving rate influence.

在微波辐射下，以2-萘酚和氯化苄为原料，用氢氧化钠作碱剂，碘化钾作催化剂，水-DMF为溶剂合成了苄基-2-萘基醚；采用单因素实验法，对反应物的摩尔比、催化剂及溶剂用量、微波功率、辐射时间等因素的影响进行了研究。

A series of copper salts were prepared and studied in the selecitive oxidation of cyclohexane.

只要找到了适当的反应物，在合适的温度下，聚苯胺有可能是非常理想的加氢、脱氢催化剂。

According to the composition of elements of fuel,thermochemical forms,combustion heat,and time-dependent relations of oxygen concentration acquired during fullscale tunnel fire experiment,the formulae are given for calculating di- mensionless burning rate, released heat rate ,and ratio of medium decalescence.

根据燃料的元素构成、热化学反应式、反应物和生成物的焓变以及燃烧过程中监测到的烟气中氧气浓度随时间变化规律，提出了计算某一时刻燃料燃烧速率、释热速率和介质吸热率的关系式；通过实际规模的火灾试验，对其数据的计算表明，对木质类巷道火灾，最大比燃烧速率为0.193，最大释热速率约为1～3.5 MW，介质的吸热率为22

Methods According to chemical equilibrum principle and the use of derivative in judging the increasing and decreasing of function. this influence has been discussed.

依据化学平衡原理和导数在判定函数增减性方面的应用，分析了反应物初始浓度变化对转化率的影响。

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。