1) ethylene glycol monobutyl ether
乙二醇丁醚
1.
A new equipment detergent has been developed based on the deoiling synergism of ethylene glycol monobutyl ether, surfactant and alkaline assistant, and combined with the deoiling characteristics of organic solvent and water-based detergent.
分析了表面活性剂型清洗剂难以去除设备顽渍性油污的难题,结合有机溶剂和水基清洗剂的去油污特性,利用乙二醇丁醚、表面活性剂及碱性助剂的协同去污作用,研制出了设备清洗剂。
2.
Thus it is presented an effective RNA extraction method based on the nuclease adsorbent macaloid,poly vinyl pyrrolidone,and high concentration of KAc and ethylene glycol monobutyl ether,which has successfully extracted high-quality RNA from many materials difficult to RNA isolation,such as RNase-rich rabbit liver,plant and microbial tissues rich in polysaccharides,lipids and polyphenol compounds.
现利用硅藻土对RNase的吸附性,结合PVP、高盐及乙二醇丁醚沉淀等处理,建立了一种广泛适用的RNA提取方法。
2) Butane, 1,1'-[oxybis(2,1-ethanediyloxy)]bis-
二乙二醇二丁醚
3) diethylene glycol monobutyl ether
二乙二醇丁醚
1.
The air and the deionized water were considered as standard examples and the densities of diethylene glycol monobutyl ether were measured over a temperature rang of 20 ℃ to 60 ℃ with an Anton Paar DMA60 DMA602 vibrating tube densimeter.
以空气和去离子水为标准样,利用Anton Paar DMA60 DMA602振动管密度计测定了常压下二乙二醇丁醚在20—60℃间几乎每相间1℃密度数据。
4) ethylene glycol dibutyl ether
乙二醇二丁醚
1.
The synthesis of ethylene glycol dibutyl ether(EDB) based on the Williamson reaction of ethylene glycol monobutyl ether(EB) with sodium hydroxide and bromobutane(BuBr) was investigated.
以乙二醇单丁醚(EB)和溴丁烷(BuBr)为主要原料,在NaOH作用下进行Williamson反应制备乙二醇二丁醚。
5) diglycol monbutyl ether
二乙二醇单丁醚
6) Butylcarbitol
二乙二醇一丁醚
补充资料：乙二醇丁醚
结构式为HOCH2CH2O(CH2)3CH3，分子量118．17。无色透明液体，微有香味。相对密度(20 ℃／4℃)0.90075，凝固点-74．8℃，沸点171-172℃，闪点(开口)74℃，燃点244℃，折射率1．4198，蒸气压(25℃)0．111kPa，粘度(25℃)3．15mPa·s。能溶于水、甲醇、乙醇、乙醚、丙酮、苯、四氯化碳、庚烷等有机溶剂和矿物油。可燃，通明火、高热、强氧化剂有燃烧的危险。爆炸极限1.1％一10．6％(vol)。低毒，LD501480 mg/kg,空气中最高容许浓适240mg／m3(或0.005％)。
用作溶剂和表面活性剂。贮存于阴凉、通风的库房内，防火。
用作溶剂和表面活性剂。贮存于阴凉、通风的库房内，防火。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条