马来亚

To improve the dielectric performance of the syntactic foam ,a kind of a low density dielectric materisl with high dielectric comstant.

为改善复合泡沫塑料的介电性能，采用金属氧化物粒子填充改性双马来酰亚胺空芯玻璃微球复合泡沫塑料得到了高介电常数、低介质损耗因数、低密度、力学性能良好的电介质材料。

The sliding friction and wear properties of bismaleimide filled with different amount and size of wollastonite were studied against hard Al on a pin-on disc tribometer.

在盘销摩擦磨损试验机上研究了不同用量、粒径的硅灰石填充的双马来酰亚胺复合材料与硬铝的滑动摩擦磨损性能。

The modified mechanisms of CuO which raise wearability of BMI and hard Al were analyzed by means of SEM.

并借助于扫描电镜分析了氧化铜提高双马来酰亚胺和铝环耐磨性的作用机理。

The mechanisms that wollastonite adjust the tribology properties of BMI were analyzed by means of SEM.

借助于扫描电镜分析，探讨了硅灰石调节双马来酰亚胺摩擦学性能的作用机理。

N-phenyl maleimide,1-Phenyl-1H-pyrrole-2,5-dione,N-phenylmaleic imide、Maleimidobenzene is abbreviated NPMI or N-PMI,pale-yellow aciform crystals.The melting point is 88～92℃.NPMI is a kind of heat resisting organic monomer,and can increase material thermostability by raising intemal rotation resistance of macromolecular,using its special molecular struture.

N-苯基马来酰亚胺俗称&单马&，英文名称为；N-phenyl maleimide、1-Phenyl-1H-pyrrole-2，5-dione、N-phenylmaleic imide、Maleimidobenzene，英文缩写NPMI，淡黄色片状晶体，熔点为88～92℃，是近年发展起来的一种耐热有机单体，由于它具有五元环状平面结构，嵌入高分子链中可增加链的内旋阻力，从而提高材料的耐热性。

The synthetic progress of polysuccinimide using maleic acid as original material was studied by two steps of aminization and polymerization. Changes of reactant and product composition in aminization reaction step was studied by using bromine value analysis method. It was found that amine salt and amide were main products in this step.

对以马来酐为原料合成聚琥珀酰亚胺的两个反应过程进行了研究，通过溴价测定法研究了胺化反应阶段反应物及产物各组分的变化情况，确定胺化反应阶段的产物组分主要是胺盐和酰胺。

Function : The product uses for natural gum and various kinds of rubber alloy , it is responsivity inextractable antiager SF-98. maleimide system can acceptfreeradical to open double linkage during vulcanization.It forms into horizontal linkage to come into being crosslinking with rubber .it has inextractable antiager effect .and horizontal linkage for thermal oxidation has excellent stability.

功用：该品用于天然胶及各种成合胶，是一种反应性不抽出防老剂，由于马来酰亚胺体系在硫化过程中可接受自由基打开双键，形成横键与橡胶产生交联，起到了防老不抽出的作用，同时这横键对于热氧化作用具有很高的稳定性。

Soon after, the people living around Rasah moved to Channer Road for the sake of security and its orderly administration

锡的在附近地区发现，名为亚沙，出现了大量的阿拉伯，马来和华人移民涌入工作的地雷和贸易有。

N-p-tolylmaleimide is a kind of monomer to copolymerize with MMA to enhance the thermal stabilities of PMMA.In this article, NPTMI was prepared from the reaction of maleic anhydride and p-toluidine in one stage, which was testified by FTIR. The mp. of NPTMI was 154 and consistent with the literature.

目前国外对这方面的研究比较成熟，国内研究的较少，且还没有对N-对甲基苯基马来酰亚胺、MMA和第三单体丙烯腈或苯乙烯共聚以制备耐热PMMA树脂及其性能的研究。

The composite catalyzercan effectively catalyze cyclize reaction on the sysnthesis of N-phenyl maleimide.The yield of NPMI arrives at 90%,and the purity is 98.15%.

合成N-苯基马来酰亚胺的最佳工艺条件为；原料摩尔配比为1；1.2；溶剂为20；1；初期反应温度为40～50℃，环化反应温度为135℃；环化时间为2h。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。