请输入您要查询的字词:
单词
1,3-丙二醇
释义
1,3-丙二醇
Encyclopedia
工学
环氧丙烷
释
1,3-propanediol
1,3-丙二醇
碳数为3、羟基分别位于1、3位的二元醇。分子式为CH2OHCH2CH2OH,沸点214℃,熔点-27℃,无色透明无味液体,与水、醇、醚等互溶,难溶于苯、氯仿。主要用于生产性能优异的新型聚对苯二甲酸丙二醇酯,还可替代乙二醇生产其他聚酯,制备新型聚氨酯、防冻液、乳化剂等精细化工产品。
随便看
irradome
irrational
irrational algebraic expression
irrational algebraic number
irrational belief
irrational cut
irrational equation
irrational expression
irrational fraction
irrational function
irrational inequality
irrational invariant
irrationalism
Irrationality
irrationality
irrationality condition
irrationality estimate
irrationality exponent
irrationality measure
irrationality sequence
irrational number
irrational number theorem
irrational quantity
irrational root
irrational rotation algebra
科学参考收录了854744条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。
Copyright © 2000-2023 Sciref.net All Rights Reserved
京ICP备2021023879号
更新时间:2026/6/21 1:30:41