查询词典 glycidol

Low concentration of allyl alcohol helped to increase the reaction rate and high concentration of H2O2 could decrease the selectivity to glycidol using water as a solvent.

当催化剂用量一定时，以水为溶剂，较低的烯丙醇浓度更有利于反应的进行，而较高的双氧水浓度则会降低产物的选择性。

The catalytic properties of Ti-MWW and the reaction conditions in epoxidation of allyl alcohol to glycidol have been studied. It was found that Ti-MWW-PI synthesized under dynamic crystallization conditions has more effective catalytic performance.

对Ti-MWW 催化烯丙醇的环氧化性能和反应条件进行了研究，发现动态法合成的Ti-MWW-PI 有更好的催化性能。

Carboxylic acid was peroxidized in organic solvents catalyzed by lipase and glycidol was synthesized from allyl alcohol catalyzed by acid peroxide.

利用脂肪酶在有机介质中催化制备过氧酸，丙烯醇在过氧酸的作用下发生环氧化反应生成环氧丙醇。

The microbicidal effects of monoacylglycerols prepared from glycidol and fatty acids with even-numbered carbons in the chain caprylic (MAG C 8 : 0), capric(MAG C 10:0),2-ethylcaproic (MAG 2Eth-C 6: 0) and lauric (MAG C 12: 0)-were tested.

以甘油与不同偶数脂肪酸为原料合成了一系列甘油-酸酯：甘油一辛酸酯(MAG C 8：0)，甘油一癸酸酯(MAG C10：0)，甘油-2-乙基乙酸单酯(MAG 2Eth-C 6：0)和甘油一月桂酸酯(MAG C 12：0)，测定其抑菌效果。

The microbicidal effects of monoacylglycerols prepared from glycidol and fatty acids with even-numbered carbons in the chain caprylic (MAG C 8:0), capric (MAG C 10:0), 2-ethylcaproic (MAG 2Eth-C 6:0) and lauric (MAG C 12:0)-were tested.

以甘油与不同偶数脂肪酸为原料合成了一系列甘油－酸酯：甘油－辛酸酯(MAG C 8：0)，甘油－癸酸酯(MAG C 10：0)，甘油-2-乙基乙酸单酯(MAG 2Eth-C 6：0)和甘油－月桂酸酯(MAG C 12：0)，测定其抑菌效果。

The intermediate decyl-glycidol ether of Gemini phosphate surfactant was synthesized with decanol and epichlorohydrin in the presence of phase-transfer catalyst; the intermediate decyl digomeric glycol of Gemini phosphate surfactant was prepared by opening ring reaction of decyl glycide ether and glycol in the presence of potassium as catalyst; and the influence of type and dosage of phase-transfer catalysts was studied.

以正癸醇与环氧氯丙烷为原料在相转移催化剂存在的条件下合成Gemini磷酸酯表面活性剂的中间体I-正癸基缩水甘油醚，讨论催化剂种类及用量对反应的影响；以乙二醇和正癸基缩水甘油醚为原料，金属钾为催化剂合成Gemini磷酸酯表面活性剂的中间体Ⅱ-正癸基低聚二醇，讨论催化剂种类与用量对反应的影响；以P2O5与正癸基低聚二醇为原料合成Gemini磷酸酯表面活性剂，讨论投料比、反应温度和反应时间等因素对反应的影响。

The release of carbon dioxide from glycerol carbonate provides the target product glycidol under the catalysis of sodium phosphate.

重点对碳酸甘油酯脱CO2得到缩水甘油的反应时间、反应温度、反应压力、催化剂种类及用量等因素进行了考察。

Hyperbranched aliphatic polyethers with narrow molecular weight distribution have been prepared via anionic polymerization of glycidol with rapid cation-exchange equilibrium.

根据~(13)C-NMR谱图的积分结果，计算得到HPG的支化度为0.54，GPC测得的数均分子量为3265，分散度为1.48。

Synthesis of glycidol and epoxidized polyurethane and their characterization;2. Improvement in Hyperbranched Poly glycidol Hydroxyl Groups' Conversion by Protection Method;3. The structure of glycidol was confirmed by IR and 1HNMR.

以一氯代丙二醇为原料，与碱性化合物在低温作用下合成了缩水甘油，并通过IR、1HNMR对其进行了结构表征。

The synthetic route of glycidyl nitrate was improved. Glycidol was synthesized by the cyclization process from allyl alcohol and m-CPBA, then glycidyl nitrate was synthesized with glycidol as raw materials and HNO3/ 2O as nitrating agent.

为了改进缩水甘油醚硝酸酯的合成路线，以丙烯醇为原料，经间氯过苯甲酸环氧化后得到缩水甘油醇，然后GA经硝酸／醋酐硝化后得到了GN，硝化产物GN的收率为70.2%，经过减压精馏后GN的纯度达到了98.9%。

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。