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diethylene glycol相关的网络例句

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The synthesis of 1,4 dioxane from diethylene glycol using p toluene sulphonic acid as a catalyst was discussed.

利用二甘醇为原料,以对甲苯磺酸为催化剂合成了 1 ,4 -二氧六环。

The method of liquid phase synthesis of dioxane from the cyclodehydration of diethylene glycol catalyzed by ASP-type solid acidic catalysts was studied.

研究了ASP型固体酸催化剂一缩乙二醇环化脱水合成1,4-二氧六环的液相反应。

The addition of the diethylene glycol increased the viscosity, dispersibility but decreasing particle size.

所合成的分散剂的pH值使用范围为7-8,此时颜料的粒径较小,分散稳定性较高。

To investigate the changes of the kidney function and the features of the intoxication after diethylene glycol.

探讨二甘醇中毒时肾功能的变化规律和腹腔途径中毒的特点。

In South Carolina, four hospitals in the Greenville Hospital System also removed Chinese toothpaste, even though its distributor said it did not have diethylene glycol, said John Mateka, executive director of materials management for the group.

在南卡罗林纳,四家医院在格林维尔医院系统并且取消了中国牙膏进口,即使它的经销商说,它没有二甘醇,约翰说mateka ,总裁物资管理小组。。

Glycerin included in Crest products meets rigid United States Pharmacopeia standards requiring two independent tests to ensure diethylene glycol is not present.

而且佳洁士牙膏中的丙三醇含量是符合美国药典标准的,即通过两项独立的测试确保其中不含二甘醇。

It is found that the coexisting curves of the temperatures versus the volume fractions of water, cyclohexane and diethylene glycol monobutyl ether are respectively inverse "S" type curve, positive "S" type curve and "knot-shape" curve.

用改进的相体积法测定了水-环己烷-二乙二醇丁醚三元体系的相平衡,给出了不同温度下平衡共存三液相的体积分数及平衡共存三液相的相密度的共存曲线。

Capillary gas chromatograph in connection with mass spectrograph were used to determine the diethylene glycol content in toothpaste product.

KX-250三牙轮钻头上的牙轮牙爪可选用20CrNiMo钢锻造,但20CrNiMo 牙轮牙爪在锻造过程中产生的缺陷严重影响产品的力学性能。

Based on the reaction of diethylene glycol with ammonia,the main synthesize process of morpholine was studied.

对二甘醇和氨在催化剂存在及一定压力下反应制取吗啉的合成工艺路线、催化剂制备、产品分离及分析进行了详细综述。

In a chemical book he found what he was looking for: another odorless syrup — diethylene glycol.

在一本化学药物书中他找到了他要寻找的另一种无色无味的糖浆-二甘醇。

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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。

When I was in school, the rabbi explained everythingin the Bible two different ways.

当我上学的时候,老师解释《圣经》用两种不同的方法。