反应物

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。

Result The reactant concentrations,the temperature and the time of the reaction could directly affect the quality of the product.

结果反应物浓度、反应温度和反应时间直接影响产品的质量。

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

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 different effect of catalysts reaction temperature,pressure and reactant vatio was studied.

讨论了催化剂寿命及种类、反应温度、压力、反应物比例对反应的影响。

The effect of reactive condition including reactant concentration, reactant time and solvent was studied in detail.

研究了反应物浓度、pH、反应时间、溶剂等反应条件对粒子粒径及分布的影响。

Producted RF and CRF aerogels by process of sol-gel technics, dynamic-exchange, CO2 supercritical drying, and procedural increase in temperature carbonization methods, which have eximious capability and nanometer network structure; Systemic analysis various factors which effect gel course, such as ratio of reactants and the dosage of catalyst, and probed into the better experiments conditions(the concentration of resorcinol and formaldehyde is more than 2% and the value of R/C is between 50 and 300); During gel course , primary investigated the viscosity curve and particle size distribution of sol-solution, and analyzed the reason of catalyst dosage effects particle size of gel, and confirmed that the up-growth of gel follows the theory of " polymerize increase ".The experiment results indicated that ultrasonic with unvarying temperature disposal shortened gel time and optimized quality of gels, and the factors of ultrasonic effect gel reaction velocity were analyzed; Prepared organic aerogels using compounds of resorcin and hydroquinone substitute resorcinol reacts with formaldehyde the first time, and also optimized the proportion of resorcinol and hydroquinone (the proportion of hydroquinone in 10%～40%).

采用溶胶-凝胶工艺结合动态溶剂交换、CO2超临界流体干燥与程序升温碳化方法制备出性能优良、具有纳米网络结构的RF与CRF气凝胶；深入研究了反应物配比催化剂用量等条件对凝胶过程的影响，得到了较佳的RF凝胶制备条件(RF浓度应大于2%，R/C值取50～300)；初步研究了凝胶过程中的粘度、粒径变化情况，分析了催化剂用量影响凝胶中粒子尺度的原因，在实验上印证了凝胶生长遵循"聚增长"的理论；通过引入超声波改进了RF气凝胶的制备工艺，缩短了凝胶反应时间，提高了凝胶品质，并探讨了超声波促进RF凝胶反应作用的原因；首次用对苯二酚与间苯二酚复配制备了混合有机气凝胶，优化出复配比(对苯二酚含量为10%～40%)。2。

The binding energy of reactants and products was determined by X-ray spectrography, the ground level charge distribution of products was caculated by density function theory of quantum chemistry.

采用X-射线光谱仪测定反应物及反应产物的结合能，用量子化学密度泛函理论计算各反应产物的基态电荷分布情况。

The effects of feeding way of phosphorus pentoxide, ratio of C8H174OH to P2O5, reaction temperature and time on the synthesized isooctanol polyethenoxy ether phosphate were investigated. Its optimum synthesis technology conditions were as follows: feeding at batches while stirring tempestuously at 45℃, the ratio of nC8H17(EO4OH:n(P2O5)=2:1, esterifying at 70℃ for 4h, and add given volume of water at 70℃ for hydrolysing 2h.

研究五氧化磷的投料方式、反应物的用量比、反应温度和反应时间等因素对合成的异辛醇聚氧乙烯醚C8H17(EO4OH磷酸酯性能的影响，得到优化的异辛醇聚氧乙烯醚磷酸酯的合成工艺条件：在强烈搅拌下，分批投入P2O5，加料时的温度不超过45℃，nC8：H17(EO4OH：n(P2O5)=2：1，酯化温度为70℃，酯化时间为4h，在温度70℃时加入定量的水再水解2h。

Quantum chemical and molecular mechanical methods were employed to study the acylation in the acetylthiocholine hydrolysis catalyzed by acetylcholinesterase.

应用量子化学和分子力学方法研究乙酰胆碱酯酶催化硫代乙酰胆碱水解反应中的乙酰化反应，计算了反应物、过渡态、产物及中间体的几何结构及电子结构。

Amination reaction was carried out at temperature of 90℃ to 150℃ for 2h to 10h and then ashless dispersant of polyisobutylene succinimide would be obtained after dehydration with the operations of vacuum distillation and filtration.

结果发现，实验在N_2保护下进行，BPO／PIB质量比为0.035，MA／PIB摩尔比为1.3，反应温度为150℃，反应时间为12h，搅拌速率为250rpm，引发剂过氧化苯甲酰以丁酮为溶剂分六次，时间间隔为30分钟，均量地加入反应器时，烃化反应物聚异丁烯的转化率最高。

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。