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J. Cent. South Univ. Technol. (2008) 15(s1): 076-079 DOI: 10.1007/s11771-008-318-y Rheological behavior of novel polyamide 6/silica nanocomposites containing epoxy resins ZHAO Cai-xian(赵才贤)1, 2... of Environmentally Friendly Chemistry and Applications of Ministry of Education, Xiangtan University, Xiangtan 411105, China) Abstract: A novel polyamide 6/silica nanocomposite containing epoxy resins......
湖北省出土的若干青铜器锈蚀产物研究 胡雅丽1,秦颍2,罗武干2,黄凤春1,王昌燧2 (1.湖北省文物考古研究所,武汉,430077;2.中国科学技术大学,科技史与科技考古系,合肥,230026;3.中国科学院研究生院,科技史与科技考古系,北京,100049) 摘要:利用X射线衍射结合金相分析对左塚墓地青铜样品进行了研究.结果表明:其锈蚀产物主要为Cu2O,SnO2,PbCO3,PbSO4·4PbO及SiO2;经锻打加工后,青铜器抗腐蚀性能得到提高;表面存在锡汗现象的青铜器也比较耐腐蚀;左塚青铜器优先腐蚀α相,;δ相在此类腐蚀环境中比较稳定,抗腐蚀能力较强.拉曼光谱对几件九连墩青铜器锈蚀分......
古代青铜器锈蚀产物的拉曼和红外光谱分析 秦颍1,李涛1,王晓妮2,罗武干1,刘斌2,赵鹏3,滕建英3 (1.中国科学技术大学,科技史与科技考古系科技考古研究室,合肥,230026;2.蓬莱市登州博物馆,山东蓬莱,265600;3.蓬莱市文物管理局,山东蓬莱,265600) 摘要:采用拉曼光谱,傅立叶转换红外光谱等分析方法研究分析山东省蓬莱市登州博物馆馆藏青铜器的锈蚀产物.结果表明,锈蚀产物成分复杂,有蓝铜矿,孔雀石,氯铜矿,副氯铜矿,赤铜矿,白铅矿,黄铅矾,方解石.确认该馆近半数青铜器上出现的"粉状"锈蚀物为"粉状锈",建议尽快对已感染"粉状锈"的器物进行有效隔离和科学保护. 关键词:......
Hydrolysis Activities of Resins of Complexes Made from Polysaccharides and Ce4+ Wang dongfeng1,Su Lin1,Yu Lina1,Wang Jialin2,Li Haiyan1 (1.College of Food Science and Technology, Ocean University of China, Qingdao 266003, China;2.Tsingtao Brewery Company Limited, Qingdao 266061, China) Abstract:Resins of complexes made from agarose-Ce4+ (RCA-Ce) and chitosan-Ce4+ (RCC-Ce) were prepared......
Synthesis and Adsorption Studies on Magnetic Microbeads of Polythioether-arylamine Resins张超灿摘 要:By the suspended condensation reaction of poly(choloromethyl thiirane) with o-tolidine and o-dianisidine respectively, two new microbeads of magnetic chelating resins were synthesized by usingγ-Fe2O3 as magnetic core. Their adsorption properties for Hg(Ⅱ), Cu......
模拟海岛环境中弹药元件锈蚀产物红外光谱分析李文钊1,陈晓楠2,王波3,郭毅1,杜仕国1,闫军11. 军械工程学院2. 66285部队3. 62191部队摘 要:模拟海岛环境研究了弹药元件的腐蚀.以弹药元件基本材料的替代品D60钢,8号铜质雷管壳和发射药等在高温,高湿,高盐雾的模拟环境中进行腐蚀试验,利用红外光谱法(IR)对各种锈蚀产物进行分析,根据锈蚀产物的组成和特点提出相关腐蚀机理.关键词:弹药元件;海岛环境;锈蚀产物;红外光谱;......
汉代含"银灰亮"钱币的锈蚀产物贾松1,刘成21. 西北大学化学与材料科学学院2. 西北大学文化遗产学院摘 要:采用超景深三维显微镜和扫描电镜(SEM)对汉代含"银灰亮"钱币锈蚀产物进行显微观察,并通过电子能谱,X射线粉末衍射和X射线荧光光谱等手段,对钱币本体,银灰亮层及其他锈蚀产物进行了研究,利用离子色谱法对钱币的包裹土进行了分析.确定钱币表面的锈蚀物主要为Cu2S(银灰色),Cu2O(红褐色),Cu2(OH)2CO3(绿色)和PbCO3(白色),探讨了含银灰亮钱币锈蚀结构的形成机理.关键词:......
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Study on preparation and properties of tannins immobilized chitosan-Ce4+ resins李海燕,汪东风,王星宇,徐莹,张莉,刘炳杰College of Food Science and Engineering,Ocean University of China摘 要:The tannins immobilized chitosan-Ce4+ resins(TCCR) were prepared. The optimum conditions on activating and coupling of chitosan resins were obtained by means of orthogonal design......
Study on preparation and properties of tannins immobilized chitosan-Ce4+ resins李海燕,汪东风,王星宇,徐莹,张莉,刘炳杰College of Food Science and Engineering,Ocean University of China摘 要:The tannins immobilized chitosan-Ce4+ resins(TCCR) were prepared. The optimum conditions on activating and coupling of chitosan resins were obtained by means of orthogonal design......