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。
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。
F61 serial liquid flow switch suits for measuring the liquid flow conditions from the pipes, such as: water, ethylene, glycol or other liquid which will not corrupt brass or phosphor bronze.
F61系列的液体流量开关,用于测量流经管道的液体流动状态,例如:水、乙烯、乙二醇或任何对黄铜、磷青铜无腐蚀作用的流体。
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。
We introduce poly (ethylene glycol) (PEG) as a second component to modify PHB. The incorporation of PEG into a PHB matrix can improve the hydrophilicity, flexibility and degradation rate.
本研究引入了第二组分-聚乙二醇对其进行改性。peg作为材料的一部分,可以弥补PHB在亲水性、降解性等方面的不足。
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 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。
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 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 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。
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。
Method:Different extracts were administered through a stomach tube to rats of different groups with renal calcium oxalate stones induced by ethylene glycol (EG) and ammonium chloride (AC).
方法:通过喂服泽泻提取物不同组分对乙二醇和氯化铵诱导的大白鼠肾草酸钙结石模型进行实验研究。
The process simulation is performed for ethylene glycol plant by using the PROCESS simulation programme, and the unit operation model and the thermodynamic method are determined.
应用PROCESS模拟程序,对乙二醇装置进行了流程模拟计算,确定了单元操作模型及热力学方法,计算结果与国外设计数据相吻合。
Ethylene glycol diacetate was synthesized from ethylene glycol and acetic acid with ferric chloride hydrate as catalyst. The yield of ester was 92% under the optimum condition.
利用氯化铁水合物为催化剂,从乙二醇和冰醋酸制备了二乙酸乙二醇酯,在最佳条件下其收率达92%。
In this study, the surfaces of polyurethane films were modified by poly (ethylene glycol) (PEG) and PEG-derivatives, and blood compatibility of resulting surfaces was investigated.
本论文是通过化学接枝的方法,用聚乙二醇及其衍生物对聚氨酯表面进行修饰,研究改性前后聚氨酯表面的血液相容性。
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。
The restrain effect of cryoprotective agents on eutectic is different. The best is glycerol and then is ethylene glycol, DMSO, 1,2 propylene glycol and 1,3 butanediol respectively.
不同种类保护剂的抑制共晶的能力从强到弱依次是甘油、乙二醇、DMSO、1,2丙二醇和1,3丁二醇。
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。
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。
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。
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。
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。
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。
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。
应用推荐