oxidative degradation

Evaluation of Thermal-oxidative Degradation of Aviation Lubricating Oil by Pressure Differential Scanning Calorimetry

航空润滑油热氧化衰变的高压差示扫描量热法分析

互联网摘选

Upon repeated exposure to the relatively high interfacial temperatures be-tween the steel surface and the oil, petroleum oils undergo thermal and oxidative degradation leading to significant varia-tion in their quenching performance.

由于不断暴露在钢与油接触面间相对较高的温度中，石油制品油遭受热降解和氧化降解，使得其淬火特性发生明显变化。

互联网摘选

Kinetic study of thermo-oxidative degradation for two PET samples are carried out by three methods, i.e. intrinsic viscosity degreasing, carboxy end group increasing and thermal weight loss.

用测定样品的特性粘度降低、端羧基含量增加和热氧化失重三种方法对不同催化体系合成的两种PET样品进行了热氧化降解的动力学研究。

互联网摘选

Study on thermal oxidative degradation of cable insulation materials used in nuclear power plants by gas chromatography

气相色谱法研究核电站用电线电缆绝缘材料的热氧化降解

互联网摘选

The influence of nano-TiO_2 on photo oxidative degradation of PP in artificial accelerated UV light weathering and natural weathering were studied by mechanical properties monitoring and scanning electronic microscopy ( SEM).

通过分析PP/TiO2共混纤维在人工加速紫外光降解和自然光降解过程中拉伸断裂伸长率和表面形态的变化情况，从而研究了共混纤维中锐钛矿型纳米二氧化钛对聚丙烯纤维光氧化降解性能的影响。

互联网摘选

It was found from real time FTIR data that the thermal oxidative degradation of PVC changed with the addition of smoke suppressants. They affected the decomposition temperature and speed of both C H and C Cl groups greatly.

实时FTIR表明抑烟剂改变了PVC热氧化降解历程，并对C H和C Cl键的分解产生较大的影响。

互联网摘选

Effect of the clay surface grafting, interlayer ammonium and nanocomposites structure on the photo-oxidation, thermal degradation and thermal-oxidative degradation of PE nanocomposites has been investigated.

研究了硅烷接枝改性、铵盐插层以及黏土的分散等因素对材料的紫外光氧化、热降解和热氧降解性能的研究。

互联网摘选

These research work are very important to evaluate the thermal-oxidative degradation of the used ester lubricants and useful condition monitoring of ester lubricants.

酯类合成油的热氧化机理和热氧化动力学研究对于确定酯类油在实际使用情况下衰变程度和失效机理极具价值，并为酯类润滑油实施氧化寿命状态监控提供了重要依据。

互联网摘选

Study on Oxidative Degradation of Bisphenol A by Potassium Ferrate in Water

高铁酸钾氧化降解水中双酚A的研究

互联网摘选

The results showed that inorganic nano-meter particles could inhibit the thermal oxidative degradation, and the modification effect on PP by TiO_2 was the best.

结果表明，无机纳米粒子不同程度地抑制了PP的热氧降解反应，其中以TiO2的改性效果为最佳。

互联网摘选

The thermal oxidative degradation of the polymer alloy and the nanocomposites was studied by thermogravimetric analysis ( TG).

用热重分析法（TGA）研究了聚合物合金和纳米复合材料的热氧化降解行为。

互联网摘选

Due to the synergetic effect of the filter liquor, the action is better than one of ferrate or potassium hypochlorite on oxidative degradation of partially hydrolyzed polyacrylamide ( HPAM) in aqueous solution.

直接用于去除废水中部分水解聚丙烯酰胺（HPAM）时，由于二者之间存在着协同作用比单独使用相同当量高铁酸钾或者相同当量次氯酸钾效果更佳。

互联网摘选

Mechanism and kinetics of thermal oxidative degradation of Nitrobenzene Wastewater by h_2o_2

H2O2热氧化降解硝基苯废水的机理和动力学

互联网摘选

Non-isothermal Kinetics of Thermal Oxidative Degradation of Flame Retardant Thermoplastic Polyester Elastomer

阻燃TPEE非等温热氧降解动力学

互联网摘选

Thermal and thermo oxidative degradation of polystyrene modified with ammonium polyphosphate, ammonium sulfate and zeolite Y was studied during the compounding process and the thermal treatment, based on molar mass and its distribution.

基于体积排除色谱实验结果，详细分析了聚磷酸铵、硫酸铵、合成分子筛Y改性的聚苯乙烯在塑化混合过程和热降解过程中分子量及其分布的变化规律。

互联网摘选

The effects of nano-SiO 2 content and interfacial feature on the thermal and thermal oxidative degradation of PE-LLD/ nano-SiO 2 composite were studied by thermogravimetric analysis ( TG). The thermal degradation kinetic of the system was studied using Dole-Ozawa method.

采用TG法研究了纳米SiO2含量、界面特性对纳米SiO2填充PE LLD复合材料热降解和热氧降解性能的影响，并用Dole Ozawa方法研究了体系的热降解动力学。

互联网摘选

Supported CuO catalysts with good dispersion of CuO particles and fewer amounts of acid sites took advantage of the oxidative degradation of 2, 4-DCP.

CuO粒子分散度好和较少量酸中心的担载氧化铜催化剂有利于2,4-二氯酚的氧化降解。

互联网摘选

Thermal and thermo-oxidative degradation of chitin with ammonium nitrate, ammonium sulfate and concentrated acid were studied.

讨论了硝酸铵 、 硫酸铵和浓硫酸对自制甲壳素热降解和热氧化降解过程的影响.

互联网摘选

Study on thermal oxidative degradation process of cl-pp

氯化聚丙烯热氧降解研究

互联网摘选

The data of thermal oxidative degradation kinetics of composites showed the activation energy of system was significantly improved due to the addition of fillers.

热氧降解动力学测试表明阻燃填料的加入能大幅度提高复合材料的热降解活化能和分解温度及热氧稳定性。

互联网摘选

This paper illustrates the reaction pattern of the catalytic oxidative degradation of macromolecule in asphaltic sands. Parameters, including reaction time, catalyst system, that affect the change in the weight of organic phase and residual phase, were investigated in detail.

针对沥青砂的重组分，探讨了催化氧化沥青砂降解反应体系有机相和残余相中有机物的量随反应时间、催化剂及氧化降解体系的变化规律。

互联网摘选

The Effect of Metal Oxides on Thermal Oxidative Degradation Kinetics of Intumescent Flame Retardant Polypropylene

金属氧化物对阻燃聚丙烯热降解动力学的影响

互联网摘选

The Application of PDSC Techniques in the Research on Thermal-oxidative Degradation of Aviation Lubricating Oil

高压差热扫描分析技术在润滑油热氧化研究中的应用

互联网摘选

The main degradation methods of chitosan and the preparation of oligochitosan by oxidative degradation were discussed.

讨论了壳聚糖的主要降解方法及使用氧化降解法制备低聚壳聚糖的情况.

网络文摘精选

Chemical Kinetics on Thermal Oxidative Degradation of PMMA

聚甲基丙烯酸甲酯热氧化降解的化学动力学研究

互联网摘选

So it is proved that oxidative degradation reaction is necessary to increase the content of humic acid, and sulfonation reaction can increase the cement paste divergence of humic acid.

由此证明了硝酸氧化降解反应对提高褐煤腐植酸含量作用的必要性，同时也证明了化学试剂A的磺化反应可以提高腐植酸对水泥颗粒的分散作用。

互联网摘选