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1)  concentrated hydrogen
氢偏聚
2)  segregation [英][,seɡrɪ'ɡeɪʃn]  [美]['sɛgrɪ'geʃən]
偏聚
1.
Dynamic process simulation of solute grain boundary segregation;
溶质原子晶界偏聚动力学过程的数值模拟
2.
A New Concept for Toughening Steels Non Equilibrium Cosegregation to Grain Boundaries;
一个强韧化钢的新概念——非平衡晶界共偏聚
3)  polyether type polyurethane
聚(?)型聚氢酯
4)  hydrogen macrosegregation
氢宏观偏析
1.
Based on Darcy s law for interdendritic flow,a mathematical model for hydrogen porosity formation in Al castings was developed,in which the hydrogen macrosegregation including hydrogen diffusion and transport in macroscopic scale was considered.
基于枝晶间流动的Darcy定律,考虑了凝固过程氢的宏观扩散与传输,建立了耦合氢宏观偏析的铝合金铸件微观孔洞形成的数学模型,并进行了实时熔炼的Al-4。
5)  dehydro oligomerization
脱氢聚合
1.
The effects of calcination temperature,space velocity,pretreatment before reaction,and SiO 2/Al 2O 3 ratios of ZSM 5 zeolites on dehydro oligomerization of metnane under non oxidizing condition to benzene on Mo/HZSM 5 catalyst have been investigated.
考察了焙烧温度、空速、反应前预处理和ZSM-5的硅铝比对甲烷非氧脱氢聚合反应在Mo/HZSM-5催化剂上的影响。
6)  Trimethylolpropane poly(oxypropylene) triamine
聚α-氢-&omega
补充资料:聚四氢呋喃均聚醚二醇
分子式: HO(CH2CH2CH2CH2O)nH(n大于2的整数) 
CAS号:

性质:又称聚四氢呋喃-均聚醚二醇,随分子量增大,其常温状态由液体变为白色蜡状固体,在溶剂中的溶解度也逐渐降低,一般能溶于醇、酯和酮。由四氢呋喃经酸性或杂多酸为催化剂催化聚合而制得。用于制备耐低温、耐水解等高性能的聚氨酯弹性体、聚氨酯橡胶及聚氨酯弹性纤维。

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