酰亚胺

N-succinimidyl 5---3-pyridinecarboxylate, a useful linker for labeling proteins with astatine and iodine radioisotopes, is synthesized in three steps with 5- bromonicotinic acid as a starting material, and is characterized by nuclear magnetic resonance, mass spectrometer and high performance liquid chromatography.

以5-溴烟酸为起始物，通过3步主要反应合成了一种适用于蛋白质放射性砹标记的偶联剂——5--3-吡啶甲酸 N-琥珀酰亚胺酯，并用核磁共振、质谱、高效液相色谱等进行了表征。

Methodological furan and reaction of Diels-Alder of course of Ma Lai anhydride are generated go armour goes element of hydrogenous Chinese blister beetle, reductive below palladium charcoal catalysis into go element of armour Chinese blister beetle, with replace aniline condensation to become nitrogen - phenyl goes acyl of armour Chinese blister beetle inferior the ramification of amine.

方法呋喃和马来酐经过Diels-Alder反应生成去甲去氢斑蝥素，在钯炭催化下还原成去甲斑蝥素，和取代苯胺缩合成氮-苯基去甲斑蝥酰亚胺的衍生物。

Synthesis and properties of fluorenyl Cardo polyesterimides.

芴基Cardo型聚酯酰亚胺的合成与性能。

With polybismaleimide resin/cashew nut oil modified phenol formaldehyde resin as bonding agent,and other electric conductive phase,lubricating phase and intensifier fiber,modified resin-matrix pantograph contact strip was produced by the processes of hot rolling,dually heated die-pressing and hydro-solidification technology.

采用共混改性的聚双马来酰亚胺树脂/腰果壳油改性酚醛树脂为粘结剂，添加导电相、润滑相和增强纤维相，利用热轧混料，二次热模压及通氢固化等工艺制得改性树脂基受电弓滑板试样。

The results indicate that the ST-EPR spectra of the former is significantly different from that of the latter. In cholate treated sample remarkably changes in the spectral diagnostic parameters L"/L, C'/C and H"/H are found and they are higher than in the control sample obviously.

本文比较了经胆酸处理和对照样品的马未酰亚胺自旋标记的F_1-F_0酶复合体的ST-EPR波谱，二者波谱呈现明显不同的形态。

A new kind of copolyetherimide is synthesized, and effect of contents of this kind of COPEI resin on morphology of blends of COPEI/the diglycidyl ether of bisphenol A(the Epikote 828)/ 4,4'-diamino diphenyl sulphone and preparation of epoxy resin microspheres are researched .

采用共缩聚方法合成了一种新型聚醚酰亚胺，通过改变它在COPEI/双酚A二缩水甘油醚型环氧树脂(E828)／二氨基二苯基砜共混体系中的用量，考察了对共混体系的相结构以及对制备环氧树脂微球的影响。

A novel bismaleimide-modified cyanate ester was prepared to improve heat resistant,mechanical property and molding process of this type of resin.

制备了一种新型的双马来酰亚胺改性氰酸酯树脂以提高这类树脂的耐热性，力学性能及成型工艺性。

Morphology of the modified cyanate ester resin system toughen ed by polyetherimide was investigated.

对聚醚酰亚胺增韧改性氰酸酯树脂体系的断面形态和冲击韧性进行分析，并对改性氰酸酯树脂体系的介电性能进行表征和分析。

A novel series of naphthalimide dendrimers has been synthesized, into whose dendron novel specific function units are introduced. The absorption and fluorescence properties of the arrays were studied and discussed. Excitation of the terminal donor chromophores carbazole mainly results in the fluorescence of the core dye alone, whose efficiency is dependent on the dendrimer generation.

在树枝上引入特定的功能单元，将多个具有特定功能团连接起来，形成功能化树枝状周边分子团簇，然后将它们分别与核心色素萘酰亚胺相连接，合成新型周边树枝状功能化的有机发光材料。

It was found that the synthesized polymer of BDME can dissolve the low boiling point impregnant system which could settle the problem both the diffluence of BMI and the consistence of BMI and EP.

结果表明：合成的BDME共聚物可溶于低沸点溶剂体系，解决了双马来酰亚胺聚合物的溶解以及与环氧树脂共混时的相容性问题。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。