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| 1 | Perspectives from the second Global Forum on Development of Computer Science显示文摘Background of global forum. To explore the nature of computer science and promote the development of computer science discipline, Tsinghua University organized the first global forum during the 60th anniversary of Computer Science in Tsinghua. | Andrew Chi-Chih YAO Xia YIN Yinqun LIU Guoliang LI | 2022 | Science China(Information Sciences)2022，65，7： | 4 |
| 2 | MARTENSITE TRANSFORMATION MICROSTRUCTURE OF 40Cr STEEL COMPLEXLY INDUCED BY LASER SHOCK显示文摘40Cr steel is laser quenched by the NEL-2500A rapidly axial flow CO2 laser. Then the martensite induced by laser quenched is shocked by Nd:YAG laser again. Through comparing and analyzing the appearance and size of martensite,the dislocation density in microstructure between the treated zones by laser quenched and by laser quenched plus laser shock,the following results are shown: The second martensite obtained by laser compound treatment is more finer compared with those obtained by laser quenched; In the hardened zones obtained by compound treatment,a lot of slender second twin crystal martensites are induced; A lot of more high density dislocation tangles and cellular dislocations are generated. From the transmission electron microscope (TEM) micrograph after compound treatment,there are not only long lath and short nubbly martensites arranged in cross direction,but also massive nubbly and small short nubbly martensites arranged in longitudinal direc-tion. Some martensites look like the broken blocks of quenched martensites. These new martensites are inserted transversely in the quenched martensites with large tangle. And they make quenched martensites break into pieces. Compared with the quenched martensites,the size of fresh martensites are smaller,about 0.3~0.5μm. | CHEN Ruifang HUA Yinqun CAI Lan | 2007 | Chinese Journal of Mechanical Engineering2007，20，2： | 2 |
| 3 | Early Warning of Heavy Metal Pollution after Tailing Pond Failure Accident显示文摘Heavy metal pollution is a major issue after tailing pond failure accident.It is important to predict pollution trends for limited data of pollution sources.A simple phase separation heavy metal model was built for early warning simulation of heavy metal pollution accidents.Based on this,a new simulation framework has been developed to predict the pollution trends of the downstream according to the measured data at upstream sections.By setting the upstream monitoring date as the inflow boundary condition,the changing processes of heavy metal manganese(Mn) with different phases in the downstream can be accurately simulated and forecasted.Results showed that the concentration of the suspended phase in the downstream was larger than that in the aqueous phase and sediment phase.With this,the early warning of pollution trends after accidents could be made a few days ahead.It indicates that the impact of sediment on heavy metal should not be ignored in the early warning of tailing pond failure accidents. | Yonggui Wang Yinqun Yang Qiang Li Yaxin Zhang Xiaolong Chen | 2022 | Journal of Earth Science2022，33，4： | 1 |
| 4 | In-situ synthe?sis and characterization of a hierarchically structured Al, 03 / AbTi composite显示文摘 | Zhu Heguo Jiang Yalin Yao Yinqun | 2013 | J Mater Sci2013，48，： | 1 |
| 5 | Reaction path?ways, activation energies and mechanical properties of hy?brid composites synthesized in-situ from A显示文摘 | Zhu Heguo Jiang Yalin Yao Yinqun | 2012 | Mater Chem Phys2012，137，2： | 1 |
| 6 | Microstructure and high temperature wear of the aluminum matrix composites fabricated by reaction from Al–ZrO 2 –B elemental powders显示文摘 | Heguo Zhu Cuicui Jia Jianliang Li Jun Zhao Jinzhu Song Yinqun Yao Zonghan Xie | 2011 | Powder Technology2011，，： | 1 |
| 7 | Influence of B/ZrO 2 molar ratios on the ambient temperature wear properties of composites made by an Al–ZrO 2 –B system显示文摘 | Heguo Zhu Jing Min Jianliang Li Jie Chen Jun Zhao Yinqun Yao | 2011 | Wear2011，，5： | 1 |
| 8 | Lumines- cent properties of Mg3 Ca3 ( PO4 ) 4 *' Eu3 + blue - emtting phosphor for white light emitting diodes 显示文摘 | Yinqun Li Degang Deng Qian Wang | 2012 | Journal of Luminescence2012，132，9： | 1 |
| 9 | Microstructure and Mechanical Properties of Al-11.3Zn-3.2Mg-1.3Cu-0.2Zr-0.1Sr-x Ti Extruded Aluminum Alloy with Different Aging Process显示文摘The influences of adding different amount of Ti(0%,0.39%,0.87%)and three kinds of difierent aging processes(T6,T6I6,RRA)on the microstructure and properties of Al-11.3Zn-3.2Mg-1.3Cu-0.2Zr-0.1Sr were investigated.Results show that an appropriate amount of Ti can effectively inhibit grain growth and thus achieve the efiect of grain refinement.The contribution of dislocation density and dislocation strengthening become the biggest when Ti content is 0.39%.At the same time,the intergranular corrosion depth is the lowest when Ti content is 0.39%.Among the three aging processes,the alloys reach the greatest hardness and tensile strength in T6I6.The biggest tensile strength reaches 716.77 MPa.However,when aging at RRA,the alloys obtain the greatest elongation,reaching 7.2%,as well as the good corrosion resistance. | BAO Guoning XU Xiaojing HUA Yinqun ZHANG Bin WEI Tao HONG Zhiheng LIU Lele HAN Mengnan SHA Shaohui | 2023 | Journal of Wuhan University of Technology(Materials Science)2023，38，5： | 0 |
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