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- The thermo oxidative degradation of ENR/PVC blend was investigated by TG DTG and DTA. 采用热重差示热重分析和差热分析研究了环氧化天然橡胶(ENR)/PVC共混物的热氧降解过程。
- Chitosan with different mol wt from oxidative degradation was dissolved in citric acid soln., and used to finish Tencel fabrics. 摘要将氧化降解制得的不同分子质量的壳聚糖溶于柠檬酸溶液，然后对天丝织物进行抗皱、抗菌整理。
- The oxidative degradation of Nitrobenzene in aqueous solution with Microwave-enhanced Fenton system was studied systematically. 采用微波化学技术,对微波强化芬顿体系氧化降解水中硝基苯进行了较为系统的研究。
- But the degree and the kinetic of dehydrochlorination, oxidative degradation and crosslinking during photoageing are different. 不同热稳定剂的作用，主要表现在对于微观结构变化的幅度和动力学过程的影响不同。
- The surface chemical effects of epoxy during dry friction were scission of macromolecular chains and oxidative degradation, and fatigue wear was the main wear mechanism. 环氧树脂在干摩擦过程中发生的表面化学效应主要是其分子链的断裂和氧化降解，其磨损形式主要为疲劳磨损。
- Oligo glucosamine was prepared by oxidative degradation of chitosan with hydroperoxide in the neutral condition.Its moisture re tention,hygroscopicity and antimicrobial activity were investigated. 采用双氧水在中性条件下对壳聚糖进行氧化降解,制备了低聚氨基葡萄糖。
- The distribution and transfer character of iron in Liaohe vacuum residue were studied by absorption-separation,acidic solution extraction and mild chemical oxidative degradation of asphaltene. 考察了辽河减压渣油在吸附分离、酸性溶液萃取和沥青质轻度降解过程中金属铁的分布和转移情况。
- Objective To determine the morphologic and physiochemical properties of bovine jugular conduit with valves stabilized by dye mediated photo oxidation. 目的:探讨光氧化反应处理后的牛颈静脉带瓣管道的外观形态、组织稳定性及流体物理性能的特征。
- The molecular weight and the distribution of chitosan in the oxidative degradation process with hydrogen peroxide as oxidant was tracked by GPC. 用凝胶渗透色谱法跟踪研究了过氧化氢对壳聚糖氧化降解过程中壳聚糖的分子量及其分布的影 响。
- The microbial and oxidative degradations of PVA were studied using the gel permeation chro matography (GPC) and UV-spectrophotometer. 采用凝胶色谱法(GPC)和紫外分光光度法(UV)研究了聚乙烯醇(PVA)微生物降解和化学氧化降解效果。
- In this paper,the advances in research of preparation of oligochitosan by acid degradation,oxidation degradation,enzyme degradation and composite degradation were discussed. 介绍和评述了酸降解法、氧化降解法、酶降解法以及复合降解法等各种制备方法的研究进展。
- Keep the sun behind you when you take a photo. 拍照时要让太阳留在你的身后。
- The mechanism of self-photosensitized photo-catalytic oxidation degradation of coal was firstly proposed and the dynamics model of photo-catalytic oxidation of coal was set up. 首次提出了煤自光敏化光催化氧化降解机理，建立了煤光催化氧化动力学模型。
- He showed me a photo of a family group. 他给我看一张合家欢的照片。
- A review is cited with 16 references.The mechanism of polyurethane degradation such as hydrolysis, thermolysis, oxidation degradation and photolysis were simply introduced. 简单介绍了聚氨酯的水解、热降解、热氧化降解和紫外线降解的反应机理。
- Many a time have we come across this same photo. 我们多次都见到过这同一张照片。
- He adjusted the shutter before taking a photo. 在照相前，他调整了快门。
- The Study of Photo Oxidation Mech Anism of PS 聚苯乙烯光氧化机理研究
- 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
- The woman on the photo is my paternal grandmother. 照片上的这个妇人是我祖母。
