1) atactic
[英][ei'tæktik] [美][e'tæktɪk]
无规
1.
A small amount of syndiotactic polyvinyl alcohol(s-PVA) was added into the aqueous solution of atactic polyvinyl alcohol(a-PVA) to prepare a-PVA/s-PVA blend solution which was subjected to freezing treatment to produce a-PVA/s-PVA nanowebs via high-pressure electrospinning process.
将少量的间规聚乙烯醇(s-PVA)加入无规聚乙烯醇(a-PVA)的水溶液中,制得a-PVA/s-PVA共混溶液,对溶液进行冷冻处理,通过高压静电纺丝获得a-PVA/s-PVA纳米纤维毡。
2) random coil
无规卷曲
4) have no rule
无规则
1.
Aim at new 1~# moves the transformer substation to appear to have no rule and not clear reason of jump the brn of switch in a moment,pass the earnest careful observation and check to seek,carry on the reason analysis and put forward improving the project,guarantee safe and dependable sex of the power supply.
针对新进1#移动变电站出现的无规则及不明原因的瞬时跳闸故障,通过认真仔细的观察和查找,进行了原因分析并提出改进方案,保证了供电的安全可靠性。
5) Random copolymer
无规共聚
1.
A New Type of Green Environmental Protection Pipe──Random Copolymerized P olypropylene Pipe;
新型绿色环保管材—无规共聚聚丙烯管材
2.
The living free radical random copolymerizations of styrene with methyl methacrylate initiated by benzoyl peroxide(BPO) were studied in the presence of TEMPO(2,2,6,6-tetramethylpiperidinyl-1-oxy) with the addition of malononitrile(MN).
研究了少量丙二腈对稳定自由基(TEMPO)存在下苯乙烯(St)和甲基丙烯酸甲酯(MMA)无规共聚的影响,发现丙二腈对于该共聚体系具有明显的加速效果。
3.
This paper studied the structural characterization and processing technique of a random copolymer of propylene special resin E-003, which made by FuShun Ethylene Chemical Co.
对抚顺乙烯化工有限公司生产的无规共聚聚丙烯 (PP -R)专用料E - 0 0 3进行了结构表征及加工应用。
6) degree of random
无规度
1.
The degree of randomness B of all the copolyesters reached to 1, which indicated the copolyesters were random copolymers.
对共聚物进行核磁共振测试来表征其序列结构,发现1H-NMR和13C-NMR所测试的结论一致,所得共聚酯无规度值均接近1,表明所得共聚酯均接近无规共聚物。
补充资料：无规PMMA
分子式：
CAS号：
性质：主链中不对称碳原子的构型不同且排列也不规则，即取代基在中轴分子链上排列没有规律的聚甲基丙烯酸甲酯。简称无规聚甲基丙烯酸甲酯。如将轴分子链拉直。一般自由基引发聚合的聚甲基丙烯酸甲酯均属无规立构聚合物。分子量随聚合方法(本体聚合、悬浮聚合、溶液聚合和乳液聚合)而异，从几十万到一、二百万不等。是目前大量应用的聚甲基丙烯酸甲酯树脂。本体聚合物即是有机玻璃。
CAS号：
性质：主链中不对称碳原子的构型不同且排列也不规则，即取代基在中轴分子链上排列没有规律的聚甲基丙烯酸甲酯。简称无规聚甲基丙烯酸甲酯。如将轴分子链拉直。一般自由基引发聚合的聚甲基丙烯酸甲酯均属无规立构聚合物。分子量随聚合方法(本体聚合、悬浮聚合、溶液聚合和乳液聚合)而异，从几十万到一、二百万不等。是目前大量应用的聚甲基丙烯酸甲酯树脂。本体聚合物即是有机玻璃。
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