论文部分内容阅读
[!--newstext--]
[!--title--]
【摘 要】
：
The direct polymerization of an unsymmetrical kink non-coplanar heterocyclic diarnine (1) with various aromatic bis(trimellitimide)s (2a-e) using triphenyl phos
【机 构】
：
Department of Materials Science & Engineering
【出 处】
：
高分子科学
【发表日期】
：
2004年期
其他文献
Synthesis and Characterization of a Two-dimensional Cadmium(II) Compound Involving Covalent and Hydr
A two-dimensional hydrogen-bonded cadmium(II) compound [Cd(dapm)2- (CH3COO)2(H2O)2](dapm=diaminodiphenylmethane)has been synthesized and characterized by single
With the assistance of the symbolic computation system Maple,rich higher order polynomial-type conservation laws and a sixth order t/x-dependent conservation la
Synthesis of Silsesquioxane Cages from Phenyl-cis-tetrol,1,3-Divinyltetraethoxydisiloxane and Cyclop
The synthesis of Ts, T10 and T12 silsesquioxane cages from a range of starting materials: phenyl-cistetrol, 1,3-divinyltetraethoxydisiloxane and cyclopentyl T r
由Er2O3、H4SiMo12O40和nmp合成了分子组成为[Er(nmp)4(H2O)3]H[SiMo12O40]2nmp0.5H2O(nmp=N-甲基吡咯烷酮)的配合物,并通过单晶X-射线衍射测定了晶体结构。结果表明,该化合
Gas phase selective catalytic oxidation of toluene to benzaldehyde was studied on V2O5-Ag2O/η-Al2O3 catalyst prepared by impregnation. The catalyst was charact
The conversion and utilization of natural gas is of significant meaning to the national economy,even to the everyday life of people. However, it has not become
Creep and stress relaxation behavior, the elastic modulus and fracture toughness of machinable Ti3SiC2 at various temperatures from 20 to 1250℃ were investiga
A numerical simulation method is presented for the random-fuzzy safety analysis of an aero engine disk. Based on the equivalent transformation from a fuzzy vari
Most existing secret sharing schemes are constructed to realize general access structure,which is defined in terms of authorized groups of participants,and is u
A novel monolithic stationary phase having long alkyl chain ligands was introduced and evaluated in pressurized-capillary electrochromatography of small neutral