姓名:韩卫华

						韩卫华,男,兰州大学物理科学与技术学院教授,凝聚态物理方向博士生导师,材料工程方向硕士生导师,Current Smart Materials 杂志编辑,Science of Advanced Materials杂志专刊编辑,中国纳米发电机与微纳系统会议委员会委员,美国橡树岭国家实验室用户会员,主要从事纳米材料的合成及其在光电催化(人工光合作用)、能量存储(超级电容器和二次电池)以及压敏传感(柔性传感器)领域的应用技术研究。    
近年来,韩卫华博士在本领域共发表SCI论文40多篇,其中以本人为通讯作者的论文30多篇,包括发表刊在Nano Energy(4篇,SCI一区,影响因子15.548),ACS Nano(2篇,SCI一区,影响因子14.29),Journal of Materials Chemistry A (4篇,SCI一区,影响因子10.733), ACS Applied Materials& Interfaces(1篇,SCI一区,影响因子8.456),Chemical Engineering Journal(2篇,SCI一区,影响因子8.355)等国际知名学术期刊的SCI一区论文24篇,并获得了1项国家发明专利的授权,科研工作收到了国内外专家的一致好评,论文的引用率高达1600多次,单篇最高引用率147次,有12篇论文引用率超过了50,1篇论文被评为ESI高被引论文,目前的H因子为24。

  学习经历

1999.9-2003.6  兰州大学物理学院  物理学基地班 学士
2003.9-2008.6  兰州大学物理学院 凝聚态物理专业 博士学位

  工作经历

2008.7-2013.5  兰州大学物理学院  讲师
2013.6-2019.12  兰州大学物理学院 副教授
2020.1-至今 兰州大学物理学院 教授

  海外经历

        2010.10- 2011.4 葡萄牙米尼奥大学 博士后
        2011.4 - 2012.4 美国佐治亚理工大学 访问学者
        2013.2 - 2013.11 意大利Tor Vergata大学 博士后
        2014.4- 2014.9 美国橡树岭国家实验室 访问科学家

					

						 光解水制氢及二氧化碳还原
 电化学超级电容器和二次电池
 柔性压敏传感器
					
						1. 本科教育

	主讲力学、理论力学、高等数学、大学物理学实验等课程;
	指导并带队参加过3界全国大学生物理学术竞赛,并获得过3次国家二等奖,1次优秀裁判;
     指导䇹政基金1项(本科)、基地班项目3项;
     推荐多名本科生前往中科院或985 院校继续攻读学位。

2. 研究生培养

  导师团队

      谢明政博士,资源环境学院,环境工程方向,副教授  
      王国景博士,物理科学与技术学院,材料物理方向,讲师          
      张泽民博士,物理科学与技术学院,凝聚态物理方向,青年研究员

   在读博士
   
      2017级 李云霞  
      2018级 江筱

   在读硕士
  
      2017级 孙荣科 马胤译
      2018级 姜晓琳 周红燕 刘占齐 Mir Muhammad  
      2019级 陈 涛 李林桦

   已培养博士

      龚成师,2015年12月毕业,现为兰州510研究所工程师
      王有庆,2016年6月毕业,现为陕西科技大学讲师
      赵海涛,2017年6月毕业,现为郑州大学讲师
      付文斌,2019年6月毕业,现为美国佐治亚理工大学访问学者
      张泽民,2019年12月毕业,现为兰州大学青年研究员,课题组成员   

   已培养硕士
 
      梅俊峰,2018年6月毕业,现为长江存储科技有限责任公司工程师
      韩东彦,2019年6月毕业,现为乌拉特前旗第一中学教师

   国奖获得者:张泽民 (2015年硕士国奖,2016年博士国奖);付文斌(2016年博士国奖);周红燕(2019年硕士国奖)
					
						✈ 2020

1.	Yunxia Li, Changjun Jiang, Weihua Han, Extending pressure sensing range of porous polypyrrole with multiscale microstructures. Nanoscale 2020, 12 (3), 2081-2088.

2.	Yinyi Ma, Xiao Jiang, Rongke Sun, Jianlong Yang, Xiaolin Jiang, Zhanqi Liu, Mingzheng Xie, Erqing Xie, Weihua Han, Z-scheme Bi2O2. 33/Bi2S3 heterojunction nanostructures for photocatalytic overall water splitting. Chemical Engineering Journal 2020, 382, 123020.

3.	Qiujin Shi, Miao Zhang, Zemin Zhang, Yunxia Li, Yang Qu, Zhanqi Liu, Jianlong Yang, Mingzheng Xie, Weihua Han, Energy and separation optimization of photogenerated charge in BiVO4 quantum dots by piezo-potential for efficient gaseous pollutant degradation. Nano Energy 2020, 104448.

✈ 2019

1.	G Arrabito, Z Zemin, W Han, C Falconi In Metodi Chemiometrici per la sintesi razionale di Nanowires di ZnO per l'elettronica su Circuiti, Congresso Congiunto delle Sezioni Calabria e Sicilia 2019 della Società Chimica Italiana, IT: 2019.

2.	Lu Chen, Maolin Zhang, Jianlong Yang, Yunxia Li, Yuvaraj Sivalingam, Qiujin Shi, Mingzheng Xie, Weihua Han, Synthesis of BiVO4 quantum dots/reduced graphene oxide composites for CO2 reduction. Materials Science in Semiconductor Processing 2019, 102, 104578.

3.	Qiwen Hu, Wenyao Li, Dina Ibrahim Abouelamaiem, Chaoting Xu, Haishun Jiang, Weihua Han, Guanjie He, Hollow Cu-doped NiO microspheres as anode materials with enhanced lithium storage performance. RSC Advances 2019, 9 (36), 20963-20967.

4.	Yunxia Li, Dongyan Han, Changjun Jiang, Erqing Xie, Weihua Han, A Facile Realization Scheme for Tactile Sensing with a Structured Silver Nanowire‐PDMS Composite. Advanced Materials Technologies 2019, 4 (3), 1800504.

5.	Qiujin Shi, Zhijun Li, Lu Chen, Xuliang Zhang, Weihua Han, Mingzheng Xie, Jianlong Yang, Liqiang Jing, Synthesis of SPR Au/BiVO4 quantum dot/rutile-TiO2 nanorod array composites as efficient visible-light photocatalysts to convert CO2 and mechanism insight. Applied Catalysis B: Environmental 2019, 244, 641-649.

6.	Rongke Sun, Xiaolin Jiang, Maolin Zhang, Yinyi Ma, Xiao Jiang, Zhanqi Liu, Youqing Wang, Jianlong Yang, Mingzheng Xie, Weihua Han, Dual quantum dots decorated TiO2 nanorod arrays for efficient CO2 reduction. Journal of Catalysis 2019, 378, 192-200.

7.	Youqing Wang, Lulu Chen, Hui Zhou, Kun Wei, Ziran Zhu, Erqing Xie, Wenbin Cao, Weihua Han, Rutile TiO2 nanowire arrays interconnected with ZnO nanosheets for high performance electrochemical UV sensors. Journal of Materials Chemistry C 2019.

8.	Kenan Zhang, Wenyao Li, Haishun Jiang, Jiaojiao Li, Zhe Wang, Hui Yang, Weihua Han, Enhanced adsorption capacity of guar gum derived carbon for quinoline. Micro & Nano Letters 2019, 14 (12), 1249-1252.

9.	Yaxiong Zhang, Yupeng Liu, Zhenheng Sun, Jiecai Fu, Situo Cheng, Peng Cui, Jinyuan Zhou, Zhenxing Zhang, Xiaojun Pan, Weihua Han, Versatile electrochemical activation strategy for high-performance supercapacitor in a model of MnO 2. Journal of Materials Chemistry A 2019, 7 (37), 21290-21298.

10.	Zemin Zhang, Sarah A Lindley, Rohan Dhall, Karen Bustillo, Weihua Han, Erqin Xie, Jason K Cooper, Beneficial CuO Phase Segregation in the Ternary p-Type Oxide Photocathode CuBi2O4. ACS Applied Energy Materials 2019, 2 (6), 4111-4117.

11.	Zemin Zhang, Yaxiong Zhang, Xiao Jiang, Haroon Bukhari, Zhenxing Zhang, Weihua Han, Erqing Xie, Simple and efficient pressure sensor based on PDMS wrapped CNT arrays. Carbon 2019, 155, 71-76.

12.	Hongyan Zhou, Wenbin Fu, Mir Muhammad, Mingzheng Xie, Erqing Xie, Weihua Han, Self-assembled microspheres composed of porous ZnO/CoO nanosheets for aqueous hybrid supercapacitors. Journal of Physics D: Applied Physics 2019, 52 (50), 505501.

✈2018

1.	Zemin Zhang, Xiao Jiang, Junfeng Mei, Yunxia Li, Weihua Han*, Mingzheng Xie, Fangcong Wang, Erqing Xie*, Improved photoelectrocatalytic hydrogen generation through BiVO4 quantum-dots loaded on nano-structured SnO2 and modified with carbon quantum-dots. Chemical Engineering Journal 2018, 331, 48-53.

2.	Jianlong Yang, Qiujin Shi, Rui Zhang, Mingzheng Xie*, Xiao Jiang, Fangcong Wang, Xiuwen Cheng, Weihua Han*, BiVO4 quantum tubes loaded on reduced graphene oxide aerogel as efficient photocatalyst for gaseous formaldehyde degradation. Carbon 2018, 138, 118-124.

3.	Youqing Wang*, Mingxiang Zhang, Xiaojing Liu, Yuvaraj Sivalingam, Erqing Xie, Weihua Han*, Facile one-pot synthesis of chain-like titanium dioxide nanostructure arrays for efficient ultraviolet sensing. Applied Surface Science 2018, 449, 239-243.

4.	Yunxia Li, Dongyan Han, Changjun Jiang, Erqing Xie, Weihua Han*, A Facile Realization Scheme for Tactile Sensing with a Structured Silver Nanowire‐PDMS Composite. Advanced Materials Technologies 2018, 1800504.

5.	Xiao Jiang, Zemin Zhang, Junfeng Mei, Dongyan Han, Mingzheng Xie, Fangcong Wang, Erqing Xie, Weihua Han*, Carbon quantum dots based charge bridge between photoanode and electrocatalysts for efficiency water oxidation. Electrochimica Acta 2018, 273, 208-215.

6.	Tao Ji, Yunjiu Cao, Xuan Peng, Yongfang Zhang, Lin Sun, Lili Wang, Rujia Zou, Yuvaraj Sivalingam, Weihua Han*, Junqing Hu*, A facile method to fabricated UV–Vis photodetectors based on TiO2/Si heterojunction. Applied Surface Science 2018, 339, 358-362.

7.	Dongyan Han, Yunxia Li, Xiao Jiang, Wenyu Zhao, Fangcong Wang, Wei Lan, Erqing Xie, Weihua Han*, A facile method to prepare transparent and stretchable epidermal thin film heaters. Composites Science and Technology 2018, 168, 460-466.

8.	Wenbin Fu, Yuanyuan Zhao, Junfeng Mei, Fujia Wang, Weihua Han*, Fangcong Wang, Erqing Xie*, Honeycomb-like Ni3S2 nanosheet arrays for high-performance hybrid supercapacitors. Electrochimica Acta 2018, 283, 737-743.

9.	Cuimei Cao, Pingping Li, Wenqiang Wang, Wanqing Meng, Jinli Yao, Changjun Jiang*, Yuvaraj Sivalingam, Weihua Han*, A realization scheme of metamagnetic phase transition in FeRh films grown on glass substrates. Applied Surface Science 2018, 449, 380-383.

10.	Giuseppe Arrabito, Vito Errico, Zemin Zhang, Weihua Han, Christian Falconi*, Nanotransducers on printed circuit boards by rational design of high-density, long, thin and untapered ZnO nanowires. Nano Energy 2018, 46, 54-62.

✈2017

1.	Zemin Zhang, Yunxia Li, Xiao Jiang, Weihua Han*, Mingzheng Xie, Fangcong Wang, Erqing Xie*, Significantly improved charge collection and interface injection in 3D BiVO4 based multilayered core–shell nanowire photocatalysts. Nanoscale 2017, 9 (37), 14015-14022.

2.	Mingzheng Xie, Zemin Zhang, Weihua Han*, Xiuwen Cheng, Xiaoli Li, Erqing Xie*, Efficient hydrogen evolution under visible light irradiation over BiVO4 quantum dot decorated screw-like SnO2 nanostructures. Journal of Materials Chemistry A 2017, 5 (21), 10338-10346.

3.	Junya Wang, Wei Dou, Xuetao Zhang, Weihua Han, Xuemei Mu, Yue Zhang, Xiaohua Zhao, Youxin Chen, Zhiwei Yang, Qing Su, Erqing Xie, Wei Lan*, Xinran Wang, Embedded Ag quantum dots into interconnected Co3O4 nanosheets grown on 3D graphene networks for high stable and flexible supercapacitors. Electrochimica Acta 2017, 224, 260-268.

4.	Junfeng Mei, Wenbin Fu, Zemin Zhang, Xiao Jiang, Han Bu, Changjun Jiang, Erqing Xie, Weihua Han*, Vertically-aligned Co3O4 nanowires interconnected with Co(OH)2 nanosheets as supercapacitor electrode. Energy 2017, 139, 1153-1158.

5.	Yunxia Li, Zeming Zhang, Weihua Han*, Changjun Jiang, Erqing Xie, Analysis on the piezotronic effect in a strained piezo-Schottky junction with AC impedance spectroscopy. Nano Energy 2017, 36, 118-125.

6.	Wei Lan*, Youxin Chen, Zhiwei Yang, Weihua Han, Jinyuan Zhou, Yue Zhang, Junya Wang, Guomei Tang, Yupeng Wei, Wei Dou, Ultraflexible transparent film heater made of Ag nanowire/PVA composite for rapid-response thermotherapy pads. ACS Applied Materials & Interfaces 2017, 9 (7), 6644-6651.

✈2016

1.	Haitao Zhao, Weihua Han*, Wei Lan, Jinyuan Zhou, Zemin Zhang, Wenbin Fu, Erqing Xie, Bubble carbon-nanofibers decorated with MnO2 nanosheets as high-performance supercapacitor electrode. Electrochimica Acta 2016, 222, 1931-1939.

2.	Zemin Zhang, Caitian Gao, Yunxia Li, Weihua Han*, Wenbin Fu, Yongmin He, Erqing Xie*, Enhanced charge separation and transfer through Fe2O3/ITO nanowire arrays wrapped with reduced graphene oxide for water-splitting. Nano Energy 2016, 30, 892-899.

3.	Wenbin Fu, Yaling Wang, Weihua Han*, Zemin Zhang, Heming Zha, Erqing Xie*, Construction of hierarchical ZnCo2O4@ NixCo2x(OH)6x core/shell nanowire arrays for high-performance supercapacitors. Journal of Materials Chemistry A 2016, 4, 173-182.

4.	Wenbin Fu, Weihua Han*, Heming Zha, Junfeng Mei, Yunxia Li, Zemin Zhang, Erqing Xie*, Nanostructured CuS networks composed of interconnected nanoparticles for asymmetric supercapacitors. Physical Chemistry Chemical Physics 2016, 18 (35), 24471-24476.

✈2015

1.	Zemin Zhang, Xiaodong Li, Caitian Gao, Feng Teng, Youqing Wang, Lulu Chen, Weihua Han*, Zhenxing Zhang, Erqing Xie*, Synthesis of cadmium sulfide quantum dot-decorated barium stannate nanowires for photoelectrochemical water splitting. Journal of Materials Chemistry A 2015, 3 (24), 12769-12776.

2.	Youqing Wang, Weihua Han*, Bo Zhao, Lulu Chen, Feng Teng, Xiaodong Li, Caitian Gao, Jinyuan Zhou, Erqing Xie*, Performance optimization of self-powered ultraviolet detectors based on photoelectrochemical reaction by utilizing dendriform titanium dioxide nanowires as photoanode. Solar Energy Materials and Solar Cells 2015, 140, 376-381.

3.	J Nunes-Pereira, Vitor Sencadas, Vítor Correia, Vanessa F Cardoso, Weihua Han, José Gerardo Rocha, Senentxu Lanceros-Méndez, Energy harvesting performance of BaTiO3/poly (vinylidene fluoride–trifluoroethylene) spin coated nanocomposites. Composites Part B: Engineering 2015, 72, 130-136.

4.	Ying Liu, Jinyuan Zhou, Lulu Chen, Peng Zhang, Wenbin Fu, Hao Zhao, Yufang Ma, Xiaojun Pan, Zhenxing Zhang, Weihua Han, Highly flexible freestanding porous carbon nanofibers for electrodes materials of high-performance all-carbon supercapacitors. ACS Applied Materials & Interfaces 2015, 7 (42), 23515-23520.

5.	Yiqun Li, Youqing Wang, Lulu Chen, Xiulei Li, Weihua Han*, Erqing Xie*, Controlled synthesis on Ag nanowires for conductive transparent electrodes. Materials and Manufacturing Processes 2015, 30 (1), 30-33.

6.	Yuan Jin, Xiao-Peng Cui, Wei-Hua Han, Shi-Xun Cao, Yu-Ze Gao, Jin-Cang Zhang, Influence of the interface in quantum corrections on the low-temperature resistance of La2/3Sr1/3 MnO3 trilayer masking thin films. Physical Chemistry Chemical Physics 2015, 17 (19), 12826-12832.

7.	Baoyu Huang, Changhui Zhao, Mingxiang Zhang, Zemin Zhang, Erqing Xie, Jinyuan Zhou, Weihua Han, Doping effect of In2O3 on structural and ethanol-sensing characteristics of ZnO nanotubes fabricated by electrospinning. Applied Surface Science 2015, 349(15), 615-621.

8.	Caitian Gao, Zemin Zhang, Xiaodong Li, Lulu Chen, Youqing Wang, Yongmin He, Feng Teng, Jinyuan Zhou, Weihua Han, Erqing Xie, Synergistic effects in three-dimensional SnO2/TiO2/CdS multi-heterojunction structure for highly efficient photoelectrochemical hydrogen production. Solar Energy Materials and Solar Cells 2015, 141, 101-107.

9.	Wenbin Fu, Changhui Zhao, Weihua Han, Ying Liu, Hao Zhao, Yufang Ma, Erqing Xie, Cobalt sulfide nanosheets coated on NiCo2S4 nanotube arrays as electrode materials for high-performance supercapacitors. Journal of Materials Chemistry A 2015.

10.	Giuseppe Arrabito, Christian Falconi, Vito Errico, Weihua Han, Zinc oxide nanowires on printed circuit boards. In Sensors, Springer, Cham: 2015; pp 271-275.

✈2015以前

1.	Chengshi Gong, Yongmin He, Jinyuan Zhou, Wanjun Chen, Weihua Han*, Zhenxing Zhang, Peng Zhang, Xiaojun Pan, Zhiguang Wang, Erqing Xie*, Synthesis on winged graphene nanofibers and their electrochemical capacitive performance. ACS Applied Materials & Interfaces 2014, 6 (17), 14844-14850.

2.	Yu Sheng Zhou, Ronan Hinchet, Ya Yang, Gustavo Ardila, Rudeesun Songmuang, Fang Zhang, Yan Zhang, Weihua Han, Ken Pradel, Laurent Montès, Nano-Newton transverse force sensor using a vertical GaN nanowire based on the piezotronic effect. Advanced Materials 2013, 25 (6), 883-888.

3.	Changhui Zhao, Guozhi Zhang, Weihua Han, Jiecai Fu, Yongmin He, Zhenxing Zhang, Erqing Xie, Electrospun In2O3/α-Fe2O3 heterostructure nanotubes for highly sensitive gas sensor applications. Cryst Eng Comm 2013, 15 (33), 6491-6497.

4.	Yu Sheng Zhou#, Kai Wang#, Weihua Han#, Satish Chandra Rai, Yan Zhang, Yong Ding, Caofeng Pan, Fang Zhang, Weilie Zhou, Zhong Lin Wang*, Vertically aligned CdSe nanowire arrays for energy harvesting and piezotronic devices. ACS Nano 2012, 6 (7), 6478-6482.

5.	Weihua Han, Yusheng Zhou, Yan Zhang, Cheng-Ying Chen, Long Lin, Xue Wang, Sihong Wang, Zhong Lin Wang*, Strain-gated piezotronic transistors based on vertical zinc oxide nanowires. ACS Nano 2012, 6 (5), 3760-3766.

6.	Jiecai Fu, Junli Zhang, Yong Peng, Jianguo Zhao, Guoguo Tan, Nigel J Mellors, Erqing Xie, Weihua Han, Unique magnetic properties and magnetization reversal process of CoFe2O4 nanotubes fabricated by electrospinning. Nanoscale 2012, 4 (13), 3932-3936.

7.	Lanxi Wang, Xuekang Chen, Gan Wu, Wantu Guo, Shengzhu Cao, Kaiwen Shang, Weihua Han, The mechanism of persistent photoconductivity induced by minority carrier trapping effect in ultraviolet photo-detector made of polycrystalline diamond film. Thin Solid Films 2011, 520 (2), 752-755.

8.	Lanxi Wang, Xuekang Chen, Gan Wu, Wantu Guo, Yunfei Wang, Shengzhu Cao, Kaiwen Shang, Weihua Han, Study on trapping center and trapping effect in MSM ultraviolet photo-detector on microcrystalline diamond film. Physica Status Solidi (a) 2010, 207 (2), 468-473.

9.	Yongzhe Zhang, Lihui Wu, Erqing Xie, Huigao Duan, Weihua Han, Jianguo Zhao, A simple method to prepare uniform-size nanoparticle TiO2 electrodes for dye-sensitized solar cells. Journal of Power Sources 2009, 189 (2), 1256-1263.

10.	Zhi-wen SUN, Er-qing XIE, Wei-hua HAN, Li-hui WU, Xian-bo XU, Progress of Electrowetting [J]. Chinese Journal of Liquid Crystals and Displays 2008, 3, 038.

11.	WH Han, XK Chen, EQ Xie, Modified space-charge-limited current behavior in pulsed laser deposited (Ba, Sr) TiO3 thin films. Journal of Alloys and Compounds 2008, 463 (1), 25-29.

12.	YL Wang, XK Chen, MC Li, R Wang, G Wu, JP Yang, WH Han, SZ Cao, LC Zhao, Phase composition and valence of pulsed laser deposited vanadium oxide thin films at different oxygen pressures. Surface and Coatings Technology 2007, 201 (9-11), 5344-5347.

13.	WH Han, XK Chen, EQ Xie, G Wu, JP Yang, R Wang, SZ Cao, YL Wang, High negative temperature coefficient of resistance of heteroepitaxial (Ba, Sr)TiO3 single crystal films prepared by pulsed laser deposition. Surface and Coatings Technology 2007, 201 (9), 5680-5683.

14.	Xuekang Chen, Gan Wu, Rui Wang, Wantu Guo, Jianping Yang, Shengzhu Cao, Yinling Wang, Weihua Han, Laser nitriding of titanium alloy in the atmosphere environment. Surface and Coatings Technology 2007, 201 (9-11), 4843-4846.

					
						1.	光生载流子在复合半导体催化剂异质结上的输运行为研究,国家自然科学基金面上项,51972153, 2020.01-2023.12,60 万元;

2.	纳米光电半导体异质结的开尔文探针分析技术,兰州大学大型仪器设备开放共享专项经费,LZU-GXJJ-2019C016,2019.10-2020.10,2万元;

3.	基于一维氧化锌纳米线晶体管的压敏效应研究,国家自然科学基金青年基金项目,61404066,2015.01-2017.12,25万元;

4.	钛合金基底上定向碳纳米管生长用过渡层和催化剂薄膜制备技术研发,技术开发项目,(16)0212,2016.01-2016.12,3.6万元;

5.	压电肖特基结压敏效应的交流阻抗分析,基本科研业务费-自由探索面上项目,lzujbky-2017-180,6万元。
					
							中国纳米发电机与微纳系统会议委员会委员
	美国橡树岭国家实验室用户会员
	Current Smart Materials 编辑
	Science of Advanced Materials专刊编辑
	曾受邀为Advanced Materials,Energy and Environmental Science,Nano Research,Nanoenergy,Journal of Materials Chemistry A,RSC Chemical Communication等多个国际学术期刊审稿
	第三届纳米发电机与压电电子学国际学术会议(NGPT 2016罗马)Section VIII-AC:Nanogenerator and Piezotronics分会主席
	第三届纳米能源与纳米系统国家会议 (NENS 2017 北京)Symposium 3:Piezotronics and Piezo-phototronics 分会主席,并多次受邀在国际学术会议上作报告。
					
						更多信息请关注课题组微信公众号:Han-Weihua

论文实时更新:

http://www.researcherid.com/rid/D-6547-2019 
https://www.researchgate.net/profile/Weihua_Han/publications 
https://scholar.google.com/citations?hl=zh-CN&user=--r2-N8AAAAJ 


课题组欢迎各位有志青年加入!