加入共溶剂可降低反应苛刻度。
采用SEM表征手段考察了共溶剂或共表面活性剂对介孔材料颗粒外貌的影响。
By means of scanning electron microscopy analysis (SEM), the effects of cosolvent or cosurfactant on morphology of mesoporous silica were investigated.
结果表明,四氢呋喃是良好的共溶剂,游离脂肪酸含量高的废食用油有利于共溶体系的形成。
The results showed that tetrahydrofuran was a better cosolvent and the waste edible oils containing abundant free fatty acids was liable to form miscible system.
结果表明,升高反应温度、以丙酮为共溶剂或以十二烷基硫酸钠作相转移剂均可使反应速度加快。
The results show that increasing reaction temperature, using acetone as cosolvent or sodium dodecyl sulfate as phase-transfer reagent can accelerate the reaction.
动态法测定了灰黄霉素在不同的操作温度、压力以及共溶剂丙酮浓度下在超临界CO2中的溶解度。
The solubility of griseofulvin in supercritical CO2 with cosolvent acetone at different temperature, pressure and concentration was measured in this study.
本课题的立意在于寻求锂离子电池电解液的低温共溶剂,并考察其对锂离子电池低温电化学性能的影响。
Searching electrolyte low temperature co-solvent and investigating the effect of it on low temperature electrochemical performance of lithium ion batteries are the intentions of this research.
实验结果表明:对二氯苯在二组份和三组份共溶剂体系中的活度系数的对数值与各组份的体积分数之间有线性加和关系;
The results show : there is a liner additive relationship between the logarithm of activity coefficients of solute in two or, three component co-solvent system and volume fractions of each components.
一种回收在煤的精制中需要的有机溶剂的方法,包括以下步骤:在原料制备单元中供给溶剂、共溶剂和煤,以充分地混合形成浆料;
A method of recovery of organic solvents required in refining of coal comprising of following steps: feeding solvent, co-solvent and coal in the feed preparation unit to form slurry.
采用DSC,WAXD研究了在超临界CO2作用下,温度、压力和共溶剂对双酚A型聚碳酸酯(BAPC)的结晶和熔融行为的影响。
The influences of temperature, pressure and cosolvent on the melting behavior of BAPC treated by supercritical CO2 were studied by DSC and WAXD.
本文首先采用固定体积的可视化观察法(乳光法)研究了在超临界CO_2加入甲苯、环己烷、正丁醛、异丁醛、甲醇和乙醇等共溶剂之后,整个体系临界性质的变化情况。
The constant volume visual method is used to measure the critical properties of CO2+toluene, CO2+cyclohexane, CO2+n-butyraldehyde, CO2+i-butyraldehyde, CO2+ methanol and CO2+alcohol binary systems.
探讨了催化剂、溶剂、反应温度及反应物用量等对共氧化行为的影响。
The influence of catalysts, solvents, reaction temperature, dosage of the reactants on the co-oxidation were discussed.
在无任何外加溶剂及共还原剂的条件下,应用此高分子金属卟啉作为催化剂,选择性地催化空气氧化环己烷为环己酮和环己醇。
This macromolecular metalloporphyrin was used as the catalyst for the first time for cyclohexane oxidation to cyclohexanol and cyclohexanone with air in the absence of additives or solvents.
用共混的方法制备了抗静电聚丙烯,研究了共混方法和溶剂的使用对聚丙烯抗静电性能的影响。
Antistatic polypropylene (PP) was prepared via blending PP with an antistatic agent. The effects of solvents and blending method on the antistatic property of PP were studied.
本文以聚矾和磺化聚砜共混物为膜材料,二甲基乙酰胺为溶剂,聚乙烯吡咯啉酮和邻苯二甲酸二甲酯为添加剂配制纺丝液,纺制外压中空纤维超滤膜。
This paper reported the preparation of hollow fiber UF membrane, using PS and SPS as membrane spinning materials, DMA as solvent, PVPand dimethyl phthalate as additives.
作为优选的实施方式之一,使用蒸馏塔将在上述脱水反应中生成的水与芳香烃类有机溶剂共沸除去。
As the one of the preferred embodiment, the method USES hog still to remove water and aromatic hydrocarbon organic solvent azeotropy generated in the dehydration reaction.
多种多样的微生物能够通过共代谢途径降解有机氯溶剂。
A variety of microorganisms are able to degrade chlorinated solvents through cometabolism.
共混交联膜具有最好的分离性能,而且耐溶剂,抗菌,但稍显脆性。
The crosslinked blend membrane had the best separating performances including good resistance against solvent andmicrobes, but it was a little brittle.
所述组合物含有溶剂和由一种卤代 硅烷化合物或者其两种或更多种的组合通过共氨解作用得到的聚 硅氮烷化合物。
The composition contains a solvent and a polysilazane compound obtained by co-ammonolysis of one or a combination of two or more halosilane compounds.
结果表明:合成的BDME共聚物可溶于低沸点溶剂体系,解决了双马来酰亚胺聚合物的溶解以及与环氧树脂共混时的相容性问题。
It was found that the synthesized polymer of BDME can dissolve the low boiling point impregnant system which could settle the problem both the diffluence of BMI and the consistence of BMI and EP.
为了开发低共熔组成酮麝香、二甲苯麝香混合物溶液结晶新过程,计算得到酮麝香、二甲苯麝香、溶剂三元相图。
In order to develop a new solution crystallization process to separate the eutectics of musk ketone and musk xylene, the ternary phase diagrams of musk ketone, musk xylene and solvent were calculated.
本文用生物样品与有机溶剂共沸蒸馏分离法对秦山核电厂附近秦山上松针中组织自由水氚进行测量。
Tissue Free Water(TFW)of pine needles is separated out through azeotropic distillation of pine needles and toluene, Recovery ratio of TFW is 90%.
方法1997~1998年间,对福建省境内规模较大的制鞋企业常用的鞋用胶水和溶剂共45份样品进行毒性检测鉴定。
Methods 45 samples from large scale shoes plants in Fujian containing shoes mucilage and solvent were tested for acute toxicity and chemical component during 19971998.
方法1997~1998年间,对福建省境内规模较大的制鞋企业常用的鞋用胶水和溶剂共45份样品进行毒性检测鉴定。
Methods 45 samples from large scale shoes plants in Fujian containing shoes mucilage and solvent were tested for acute toxicity and chemical component during 19971998.
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