Based on orthogonal test , the factors influencing the synthesis of di - n - propyl phosphite , such as reaction temperature , reaction time and molar ratio of reactant , were investigated 通过正交优化试验,考察了温度、时间和物料配比对二正丙基亚磷酸酯的合成收率的影响。
Based on the model the reactants concentration and temperature profiles along the axis and the concentration and temperature at different position of the washcoat were calculated 根据此模型对通道轴向的反应物浓度与温度分布以及催化剂涂层内不同厚度处的浓度做了计算。
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。
When using pb ( ac ) 2 and thiourea as reactants , keeping ph value more than 10 , the autoclave was maintained at 200c for 20h , the products were well crystallized star - shaped pbs nanostructures 若保持锡硫摩尔比为1 : 4 ,在160下反应24小时,得到的产物为sns _ 2叶片状结构。
Due to the high reactant concentration the aquagel had a good strength . hence , the aging process can be saved and the preparing times of aerogels was shortened for this sol - gel system 由于增大反应物含量,所得水凝胶强度好,不需经过三氟乙酸老化,缩短了气凝胶合成周期。
In the partial ternary phase diagram of aot / isooctane / mcpm or ca ( oh ) 2 solution , the single phase areas of microemulsions become compressed because of the effect of reactants as electrolytes 两种反应试剂的水溶液增溶进入aot异辛烷水体系后,引起了微乳液体系一系列的变化。
The influences of w0 ( molar ratio of water to surfactant ) , the concentration of the reactants and the aging time on the morphologies and the sizes of the nanoparticles were studied 研究了微乳液中水与表面活性剂的摩尔比( _ 0 ) 、反应物浓度及浓度比、陈化时间等条件对产物形貌的影响。
The factors , such as reactant concentration , medium acidity , stirring speed , washing and drying temperature , directly influence purity , structure and yield of the product 反应物浓度、介质溶液的酸度、搅拌速度、沉淀分离后的洗涤、干燥温度等对产物的纯度、结构和收率都有直接影响。
The preparation handbook will make reference to current international standards . it will set out in detail the sources of the major air pollutants in the prd region and their leading reactants ( e . g 《编制手册》将参考国际的现行标准,详列珠江三角洲地区内主要区域性空气污染物及其前导物,如
Conclusion the formation of quercetin - phosphatidylcholine complex was greatly influenced by the solvent , concentration of reactant and reactant ratio , the new synthesized compound being gotten 槲皮素卵磷脂复合物的形成受溶剂、反应物的浓度和反应物投料比的影响较大,形成的是一种新的化合物。