The preservative used is usually ethylene glycol or propylene glycol, as alcohol will evaporate quickly and the traps will dry out.
常用防腐剂是乙二醇或丙二醇,因为随着酒精快速挥发,捕集器也随之恢复干燥。
This article summarized the design and manufacture of ethylene glycol vessel.
本文就乙二醇贮罐设计及制造加以总结概述。
The tubular vacuolization and dilation here is a result of ethylene glycol poisoning.
乙二醇中毒引起肾小管扩张和空泡状改变。
Glycol glucoside was prepared from glucose and ethylene glycol in the presence of acid catalyst.
在酸性催化剂下,由葡萄糖和乙二醇经缩醛化反应制备了乙二醇葡糖苷。
But it was really ethylene glycol, a low-cost substitute commonly used in automobile antifreeze.
但是它的确有乙二醇,一种普遍用于汽车防冻液的廉价的代替品。
The results showed that poly( ethylene glycol) as a phase transfer catalyst can raise the conversion.
指出聚乙二醇作为相转移催化剂可增加转化率。
The synthesis of ethylene glycol mono stearate by supported p-toluene sulfonic acid was investigated.
探讨了以负载型对甲苯磺酸为催化剂合成乙二醇硬脂酸单酯的工艺。
Main methanol, ethanol, ethylene glycol, acetone, ethylene dichloride, methylene chloride, diethylene glycol.
主营甲醇,乙醇,乙二醇,丙酮,二氯乙烷,二氯甲烷,二乙二醇。
PET is made from two feedstocks, one of them an organic acid, the other ethylene glycol, which is relatively inexpensive.
PET由两种原料制成,一种是有机酸,另一种是相对便宜的乙二醇。
Ethylene glycol diacetate was synthesis from ethylene glycol and acetic acid by using p-toluene sulphonic acid as catalyst.
以对四苯磺酸为催化剂,由乙二醇和乙酸合成了二乙酸乙二醇酯。
The synthesis of furfural glycol acetal from furfural and ethylene glycol in the presence of ion exchange resin was investigated.
本文研究了在离子交换树脂存在下,由糠醛和乙二醇反应制备糠醛缩乙二醇的工艺条件。
High reactive penta-coordinated organic silicon was prepared via the reaction of silica with ethylene glycol and potassium hydroxide.
以二氧化硅为起始原料,与乙二醇、氢氧化钾反应,生成高活性的五配位硅钾化合物。
The calculation results show that the model can well predict gas hydrate formation conditions in aqueous solutions of ethylene glycol.
计算结果表明该模型可较好地预测含抑制剂(乙二醇)体系的水合物形成条件。
The effect of molar ratio of ethylene glycol monomethyl ether and glacial acetic acid and catalyst dosage on esterification are discussed.
考察了乙二醇单甲醚和冰乙酸摩尔比及催化剂用量对酯化率的影响。
The antler cell adopt cell routine DMSO frozen methods is superior to program frozen methods and ethylene glycol cell routine freeze methods.
鹿茸细胞采用常规细胞DMSO冻存法复苏贴壁率优于程序式冻胚仪冷冻法、乙二醇常规细胞冻存法。
It is even thought that ethylene glycol can have a structure-stabilizing effect and may be useful in the crystallization of flexible proteins.
一般还认为乙二醇有稳定蛋白结构的作用,构象不稳定的蛋白可以尝试添加乙二醇来长晶体。
The coating film contained a biocompatible semipermeable material, cellulose acetate, and a water soluble pore-forming agent, poly(ethylene glycol).
膜衣成分包含具有生物相容性材料-醋酸纤维素与水溶性孔洞形成剂-聚乙二醇。
A stable amorphous calcium phosphate (ACP) was prepared by a wet chemical method at a low temperature in the presence of poly(ethylene glycol) (PEG).
采用聚乙二醇(PEG)先与钙反应后,再与磷源溶液反应,在低温环境中制得无定形磷酸钙。
Ethylene glycol glycosides, useful as humectant in cosmetics, were prepared by phosphoric acid-catalyzed acetalization of glucose with ethylene glycol.
在磷酸催化下,由葡萄糖和乙二醇经缩醛化反应制备了乙二醇葡糖苷,可用作化妆品保湿剂。
Amyl cinnamaldehyde was synthesized from benzaldehyde and n-heptanal by aldol condensation with catalyst potassium hydroxide in solvent ethylene glycol.
以苯甲醛和正庚醛为原料,乙二醇为溶剂,在氢氧化钾催化作用下羟醛缩合合成甲位戊基桂醛。
MOR zeolite was dispersed into poly(ethylene glycol)oligomer to form a stable gel. Its Electrochemical behavior was first detected by a cyclic voltammeter.
丝光沸石被分散到乙二醇低聚物中形成稳定的胶体。它的电化学行为首次被用循环伏安法研究。
Sodium bisulfate was used as the catalyst for esterification of ethylene glycol mono-methyl ether and acetic acid to ethylene glycol monomethyl ether acetate.
将硫酸氢钠作为由乙二醇单甲醚和乙酸酯化合成乙二醇单甲醚乙酸酯的催化剂。
Benzaldehyde ethylene glycol acetal was directly synthesized from benzaldehyde and ethylene glycol under microwave irradiation with cupric sulfate as catalyst.
用无水硫酸铜作催化剂,在微波辐射下催化合成苯甲醛乙二醇缩醛。
This paper presents that to take ethylene glycol dimethyl ether as the elements of ethanol-diesel fuel so as to improve the bad ignition property of ethanol-diesel fuel.
提出了将乙二醇二甲醚作为乙醇柴油燃料的一种组成成分,利用乙二醇二甲醚好的发火性来改善乙醇柴油燃料差的发火性。
An unsaturated polyester resin was synthesized from dicyclopentadiene maleic acid and ethylene glycol. this resin can be moulded by casting and also can be hardened in air.
用二环戊二烯,顺丁烯二酸和乙二醇合成不饱和聚酯,这种不饱和聚酯既可浇铸,也可以在空气中固化。
The comb copolymer brushes were subsequently prepared via surface-initiated atom transfer radical polymerization of poly (ethylene glycol) methyl ether methacrylate (PEGMA).
紧接着,表面引发甲基丙烯酸聚乙二醇酯(PEGMA)原子转移自由基聚合制备梳型聚合物刷。
The comb copolymer brushes were subsequently prepared via surface-initiated atom transfer radical polymerization of poly (ethylene glycol) methyl ether methacrylate (PEGMA).
紧接着,表面引发甲基丙烯酸聚乙二醇酯(PEGMA)原子转移自由基聚合制备梳型聚合物刷。
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