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| 1 | 稀土在机动车尾气催化净化中的应用与研究进展显示文摘随着我国机动车尾气排放法规日趋严格,对机动车尾气净化催化剂性能提出了更高的要求.稀土元素由于独特的4f电子层结构和储放氧性能等特性,在机动车尾气催化剂中得到广泛应用.本文综述了稀土元素在机动车尾气催化剂中的应用及相关机理研究现状,并依据京V排放法规要求探讨了最新排放限值对尾气净化催化剂性能的要求,分析了稀土在开发高性能催化剂中的作用,并对稀土在机动车尾气净化催化剂中的应用前景进行了展望. | 王斌 吴晓东 冉锐 司知蠢 翁端 | 2012 | 中国科学:化学2012，42，9： | 7 |
| 2 | 储粮通风系统中空气分配箱气流调节阀设计制作新创显示文摘针对粮库地槽、地上笼通风系统气流调节装置不能在储粮后进行调节的情况 ,介绍了一种新颖多功能的气流调节阀 。 | 周兴明 | 2000 | 四川粮油科技2000，17，1： | 2 |
| 3 | Thermal properties,structure,and morphology of discontinuous solid solutions between phenanthrene and carbazole显示文摘Two methods,namely solid-state grinding and solution crystallization,were used to prepare discontinuous solid solutions of phenanthrene(PHE)-carbazole(CAR)with different PHE and CAR molar fractions.The thermal properties and structure of the solid solutions were analyzed using differential scanning calorimetry,hot stage microscopy,and powder X-ray diffraction,and the experimental results revealed that the two compounds could form discontinuous solid solutions where PHE and CAR alternately acted as the host and guest with limited range.This was demonstrated using molecular simulations based on lattice energy calculations using the Materials Studio 8.0 software.The crystal morphology and solubility of the solid solution changed significantly as the molar fraction of the guest molecules changed. | Zaixiang Zhang Chang Wang Yaohui Huang Ling Zhou Qiuxiang Yin | 2021 | Particuology2021，19，1： | 0 |
| 4 | Discontinuous solid solutions of anthracene-phenanthrene:Thermodynamics and crystallization kinetics显示文摘We explored such issues as the formation mechanism,structure and propriety of the solid solutions of anthracene(ANT)-phenanthrene(PHE).Solution crystallization and solid-state grinding were employed to prepare solid solutions under different conditions.The thermal behavior and PXRD scanning results revealed the formation of discontinuous solid solutions,whose melting points and crystal lattices varied linearly with mixed ratio.Combing with Materials Studio,the formation possibility of solid solutions were investigated by evaluating the change of the energy.The crystal morphology of the solid solutions have a positive correlation with the change of the major part.Finally,the solution crystallization process of solid solution were studied using the population balance model. | Zaixiang Zhang Ling Zhou Qiuxiang Yin | 2022 | Particuology2022，20，1： | 0 |
| 5 | 介孔结构纳米TbxZr1-xO2-δ复合氧化物的合成及表征显示文摘采用以聚乙二醇(PEG)为表面活性剂的水热法合成了不同Tb/Zr比的TbxZr1-xO2-δ复合氧化物,并用以十六烷基三甲基溴化铵(CTAB)为表面活性剂的共沉淀法合成了Tb0.6Zr0.4O2-δ,将其作为不同方法的比较。利用XRD、TG-DTA、HRTEM、SAED和N2吸附-脱附对样品的物相结构、高温热稳定性、样品形貌、晶粒大小及孔结构进行表征。结果表明,当n(Tb)/n(Zr)≥0.6时样品呈现出氧化铽的立方晶体结构,合成的Tb0.6Zr0.4O2-PEG的表面形貌为不规则的类球状纳米粒子,粒径为5nm左右,产物的孔径主要集中在7.2nm左右。HRTEM图中明显显示出其晶体中的(111)及(200)晶面。TG-DTA曲线显示温度高于500℃时失重不明显,表明焙烧后的铽锆固溶体具有良好的热稳定性。 | 王青春 刘振朋 安胜利 赵文广 梁婕 | 2015 | 材料导报2015，29，10： | 0 |
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