李群生

时间:2019-12-17阅读次数:7917

李群生教授  博士生、硕士、专业硕士导师

办公地址

北京市朝阳区北三环东路15号北京化工大学科技大厦1201

电子邮箱

liqs@mail.buct.edu.cn

联系电话

010-64449695

学术**

1、全国化肥-甲醇技术委员会委员。 2、全国塔器技术专家委员会委员。 3、中国氯碱工业协会聚氯乙烯专业委员会专家组成员。 4、《北京科协》常务理事。 5、《维纶通讯》编委。 6、中国盐业总公司技术委员会委员、特聘专家。 7、美国华盛顿州立大学客座教授。


招生专业及研究方向

招生专业:
化学工程与技术、环境科学与工程
研究方向:
传质与分离;精馏、吸收、超临界萃取、连续结晶理论与技术;高效板式塔、新型填料塔、新型高效除雾器及其它塔内件的研究、开发、设计;化工生产提质和节能降耗研究。

个人经历

教育背景:
1983年毕业于天津河北工业大学化工系,获学士学位;
1987年毕业于天津大学化工系,获硕士学位;
2003年毕业于北京化工大学化工学院,获博士学位;
2007年12--2008年6月在美国华盛顿州立大学、麻省理工学院作访问学者
工作经历:
自1987年以后一直在北京化工大学主要从事传质与分离工程的理论研究、实验研究与工业开发工作,2007.12-2008.6在美国华盛顿州立大学、麻省理工学院做访问学者。

科研项目

项目名称及下达编号项目类别项目来源起讫时间科研经费(万元)本人承担任务
聚氯乙烯高、低沸塔的技术设计横向项目企、事业单位委托项目2006-06-18-2008-06-3020主要负责人
碳五分离脱重塔的技术开发与设计横向项目中国石油吉林石化公司2008-09-22-2018-09-2250主要负责人
20万吨/年醋酸乙烯、10万吨/年聚乙烯醇生成线合成等工段工艺包横向项目新疆化工集团公司2014-06-13-2015-12-311450主要负责人
工业生物过程物质/能量流协同作用机制(二期)纵向项目973、863项目2013-01-01-2017-08-31468主要负责人
年产10万吨燃料乙醇的精馏塔系统内构件的技术开发与设计横向项目中粮生物化学(安徽)股份有限公司2013-11-10-2014-12-3150主要负责人
氯仿塔的节能降耗技术开发横向项目企、事业单位委托项目2014-09-25-2015-12-3110主要负责人
年产3000吨丙二醇甲醚分离过程工艺包的开发横向项目中石化天津石化公司2014-12-25-2016-12-3052主要负责人
工业生物过程物质/能量流协同作用机制(二期)纵向项目973、863项目2015-01-01-2017-08-31442主要负责人
酒精生产粗塔、组合塔、精塔和分子筛脱水塔的开发与设计横向项目企、事业单位委托项目2016-01-10-2018-04-30<50主要负责人
丁基胶液精馏提纯塔单元设计横向项目企、事业单位委托项目2016-11-30-2019-12-3148主要负责人

学术成就

发表论文:核心期刊论文300余篇,其中SCI、EI收录150余篇,

序号

作者

题名

刊名

页码

1

Li, Qunsheng; Wang, Tao; Dai, Chengna; Lei, Zhigang

Hydrodynamics of novel structured packings: An experimental and multi-scale CFD study

CHEMICAL ENGINEERING SCIENCE

2016

143

  

23-35

2

Li, Zhuo; Li, Qunsheng; Qiao, Ruiqi; Zhang, Kun; Song, Xiaolin; Li, Chunjiang; Tang, Hongjian; Liu, Yudong

Isobaric vapor-liquid equilibrium for methanol plus methyl ethyl ketone plus bis(trifluoromethylsulfonyl)imide-based ionic liquids at 101.3 kPa

FLUID PHASE EQUILIBRIA

2016

427

  

90-96

3

Li, Qunsheng; Zhu, Jiujuan; Zhang, Yuxin; Li, Mantuan; Liu, Yudong

Isobaric Vapor-Liquid Equilibria for Ethyl Acetate plus Acetonitrile+1-Butyl-3-methylimidazolium Bis(trifluoromethylsulfonyl)imide at 101.3 kPa

JOURNAL OF CHEMICAL AND ENGINEERING DATA

2016

61

11

3705-3709

4

Li, Qunsheng; Zhang, Shuang; Ding, Bangqin; Cao, Ling; Liu, Panpan; Jiang, Zilong; Wang, Baohua

Isobaric Vapor Liquid Equilibrium for Methanol plus Dimethyl Carbonate plus Trifluoronnethanesulfonate-based Ionic Liquids at 101.3 kPa

JOURNAL OF CHEMICAL AND ENGINEERING DATA

2014

59

11

3488-3494

5

Li, Qunsheng; Li, Lun; Zhang, Manxia; Lei, Zhigang

Modeling Flow-Guided Sieve Tray Hydraulics Using Computational Fluid Dynamics

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH

2014

53

11

4480-4488

6

Li, Qunsheng; Cao, Ling; Zhang, Yuxin; Liu, Panpan; Wang, Baohua

Isobaric Vapor-Liquid Equilibrium for Chloroform plus Methanol + 1,3-Dimethylimidazolium Dimethylphosphate at 101.3 kPa

JOURNAL OF CHEMICAL AND ENGINEERING DATA

2014

59

2

234-239

7

Li, Qunsheng; Zhang, Manxia; Lei, Zhigang; Tang, Xiaofei; Li, Lun; Wang, Baohua

A DISTILLATION TRAY WITH HIGH EFFICIENCY AND EXCELLENT OPERATING FLEXIBILITY FOR VISCOUS MIXTURE SEPARATION

CHEMICAL INDUSTRY & CHEMICAL ENGINEERING QUARTERLY

2014

20

2

223-231

8

Li, Qunsheng; Lu, Fenghua; Tian, Yuanming; Feng, Sijia; Shen, Yang; Wang, Baohua

Solubility of Veratric Acid in Eight Monosolvents and Ethanol+1-Butanol at Various Temperatures

JOURNAL OF CHEMICAL AND ENGINEERING DATA

2013

58

4

1020-1028

9

Li, Qunsheng; Liu, Panpan; Cao, Ling; Wen, Fang; Zhang, Shuang; Wang, Baohua

Vapor-liquid equilibrium for tetrahydrofuran plus methanol plus tetrafluoroborate-based ionic liquids at 101.3 kPa

FLUID PHASE EQUILIBRIA

2013

360

  

439-444

10

Li, Qunsheng; Cao, Ling; Sun, Xueting; Liu, Panpan; Wang, Baohua

Isobaric Vapor-Liquid Equilibrium for Ethyl Acetate plus Acetonitrile+1-Butyl-3-methylimidazolium Hexafluorophosphate at 101.3 kPa

JOURNAL OF CHEMICAL AND ENGINEERING DATA

2013

58

5

1112-1116

11

Li, Qunsheng; Sun, Xueting; Cao, Ling; Wang, Baohua; Chen, Zhaowen; Zhang, Yuxin

Effect of Ionic Liquids on the Isobaric Vapor-Liquid Equilibrium Behavior of Methanol-Methyl Ethyl Ketone

JOURNAL OF CHEMICAL AND ENGINEERING DATA

2013

58

5

1133-1140

12

Li, Qunsheng; Zhang, Manxia; Tang, Xiaofei; Li, Lun; Lei, Zhigang

Flow-guided sieve-valve tray (FGS-VT) - A novel tray with improved efficiency and hydrodynamics

CHEMICAL ENGINEERING RESEARCH & DESIGN

2013

91

6

970-976

13

Li, Qunsheng; Zhu, Wei; Fu, Yongquan; Wang, Haichuan; Li, Lun; Wang, Baohua

Isobaric Vapor-Liquid Equilibrium for Methanol plus Dimethyl Carbonate+1-Octyl-3-methylimidazolium Tetrafluoroborate

JOURNAL OF CHEMICAL AND ENGINEERING DATA

2012

57

5

1602-1606

14

Li, Qunsheng; Zhu, Wei; Wang, Haichuan; Ran, Xiaomeng; Fu, Yongquan; Wang, Baohua

Isobaric Vapor-Liquid Equilibrium for the Ethanol + Water+1,3-Dimethylimidazolium Dimethylphosphate System at 101.3 kPa

JOURNAL OF CHEMICAL AND ENGINEERING DATA

2012

57

3

696-700

15

Li, Qunsheng; Zhu, Wei; Fu, Yongquan; Zuhir, Magtuf; Li, Lun; Wang, Baohua

Isobaric vapor-liquid equilibrium for methanol+benzene+1-octyl-3-methylimidazolium tetrafluoroborate

KOREAN JOURNAL OF CHEMICAL ENGINEERING

2012

29

7

941-945

16

Li, Qunsheng; Yi, Zhengming; Sun, Xufeng; Su, Minggao

Purification of naphthalene from eutectic mixture by continuous column crystallization

KOREAN JOURNAL OF CHEMICAL ENGINEERING

2010

27

2

619-623

17

Li, Qunsheng; Zhang, Jiguo; Lei, Zhigang; Zhu, Jiqin; Zhu, Jiujuan; Huang, Xiaoqiao

Selection of Ionic Liquids as Entrainers for the Separation of Ethyl Acetate and Ethanol

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH

2009

48

19

9006-9012

18

Li, Qunsheng; Zhang, Jiguo; Lei, Zhigang; Zhu, Jiujuan; Xing, Fengying

Isobaric Vapor-Liquid Equilibrium for Ethyl Acetate plus Ethanol+1-Ethyl-3-methylimidazolium Tetrafluoroborate

JOURNAL OF CHEMICAL AND ENGINEERING DATA

2009

54

2

193-197

19

Li, Qunsheng; Zhang, Jiguo; Lei, Zhigang; Zhu, Jiqin; Wang, Baohua; Huang, Xiaoqiao

Isobaric Vapor-Liquid Equilibrium for (Propan-2-ol + Water+1-Butyl-3-methylimidazolium Tetrafluoroborate)

JOURNAL OF CHEMICAL AND ENGINEERING DATA

2009

54

9

2785-2788

20

Li, Qunsheng; Xing, Fengying; Lei, Zhigang; Wang, Baohua; Chang, Qiulian

Isobaric vapor-liquid equilibrium for isopropanol plus water plus 1-ethyl-3-methylimidazolium tetrafluoroborate

JOURNAL OF CHEMICAL AND ENGINEERING DATA

2008

53

1

275-279

21

Li, Qun Sheng; Song, Chun Ying; Wu, Hai Long; Liu, Hui; Qian, Yi Qiu

Performance and applications of flow-guided sieve trays for distillation of highly viscous mixtures

KOREAN JOURNAL OF CHEMICAL ENGINEERING

2008

25

6

1509-1513

22

Li, Qunsheng; Liu, Yancheng; Wang, Baohua; Zhang, Zeting; Yang, Jinmiao

A new model for predicting solute solubility in supercritical fluids based on the Wilson equation

The Korean Journal of Chemical Engineering

2006

23

1

131-137

23

Zhou, Zhiyong; Kong, Delong; Zhu, Huiying; Wang, Nian; Wang, Zhuo; Wang, Qi; Liu, Wei; Li, Qunsheng; Zhang, Weidong; Ren, Zhongqi

Preparation and adsorption characteristics of an ion-imprinted polymer for fast removal of Ni(II) ions from aqueous solution

JOURNAL OF HAZARDOUS MATERIALS

2018

341

  

355-364

24

Yue, Kun; Qiao, Ruiqi; Luo, Chengjingyan; Zhu, Jiujuan; Li, Qunsheng

Isobaric vapor-liquid equilibrium for chloroform plus isopropanol+1,3-dimethylimidazolium dimethylphosphate at 101.3 kPa

FLUID PHASE EQUILIBRIA

2018

466

  

16

25

Yue, Kun; Luo, Chengjingyan; Zhu, Jiujuan; Ren, Zhongqi; Qiao, Ruiqi; Li, Qunsheng

Isobaric vapor-liquid equilibrium for chloroform plus ethanol+1,3-dimethylimidazolium dimethylphosphate at 101.3 kPa

FLUID PHASE EQUILIBRIA

2018

466

  

14-18

26

Yu, Dan; Cao, Dapeng; Li, Zhanzhan; Li, Qunsheng

Experimental and CFD studies on the effects of surface texture on liquid thickness, wetted area and mass transfer in wave-like structured packings

CHEMICAL ENGINEERING RESEARCH & DESIGN

2018

129

  

170-181

27

Zhao, Hongkang; Li, Lun; Jin, Junsu; Li, Qunsheng

CFD simulation of sieve-fixed valve tray hydrodynamics

CHEMICAL ENGINEERING RESEARCH & DESIGN

2018

129

  

55-63

28

Ren, Zhongqi; Zhu, Xinyan; Du, Jian; Kong, Delong; Wang, Nian; Wang, Zhuo; Wang, Qi; Liu, Wei; Li, Qunsheng; Zhou, Zhiyong

Facile and green preparation of novel adsorption materials by combining sol-gel with ion imprinting technology for selective removal of Cu(II) ions from aqueous solution

APPLIED SURFACE SCIENCE

2018

435

  

574-584

29

Zhu, Xinyan; Ma, Yuepeng; Liu, Ying; Yang, Zemeng; Li, Qunsheng; Zhou, Zhiyong; Ren, Zhongqi

Synthesis of a Fe/AC Fenton-like catalyst and heterogeneous catalysis in decolorization of Sunset Yellow by pulsed high-voltage discharge

JOURNAL OF CHEMICAL TECHNOLOGY AND BIOTECHNOLOGY

2017

92

8

1970-1979

30

Luo, Chengjingyan; Yue, Kun; Qiao, Ruiqi; Li, Chunjiang; Zhou, Jun; Li, Qunsheng

Effect of ionic liquids on the isobaric vapor-liquid equilibrium behavior of dichloromethane plus methanol at 101.3 kPa

JOURNAL OF MOLECULAR LIQUIDS

2017

243

  

699-705

31

Yang, Zemeng; Ma, Yuepeng; Liu, Ying; Li, Qunsheng; Zhou, Zhiyong; Ren, Zhongqi

Degradation of organic pollutants in near -neutral pH solution by Fe-C micro-electrolysis system

CHEMICAL ENGINEERING JOURNAL

2017

315

  

403-414

32

Lu, Muyao; Guo, Fan; Fan, Bingjie; Ren, Zhongqi; Li, Qunsheng

Solubility and solution thermodynamics of Raspberry Ketone in pure organic solvents and binary solvent mixtures from T = (293.15 to 333.15) K

JOURNAL OF MOLECULAR LIQUIDS

2017

246

  

332-341

33

Zhou, Zhiyong; Liang, Zhongrui; Liu, Ying; Ma, Yuepeng; Zhu, Xinyan; Zhang, Xiaying; Li, Qunsheng; Ren, Zhongqi

Intensification of degradation of Sunset Yellow using packed bed in a pulsed high-voltage hybrid gas-liquid discharge system: Optimization of operating parameters, degradation mechani** and pathways

CHEMICAL ENGINEERING AND PROCESSING

2017

115

  

23-33

34

Zhang, Yuqiang; Guo, Fan; Cui, Qiao; Lu, Muyao; Song, Xiaolin; Tang, Hongjian; Li, Qunsheng

Measurement and Correlation of the Solubility of Vanillic Acid in Eight Pure and Water plus Ethanol Mixed Solvents at Temperatures from (293.15 to 323.15) K

JOURNAL OF CHEMICAL AND ENGINEERING DATA

2016

61

1

420-429

35

Zhu, Jiujuan; Li, Runchao; Li, Zhuo; Song, Xiaolin; Li, Chunjiang; Tang, Hongjian; Li, Qunsheng

Measurement and correlation of isobaric vapor-liquid equilibria of methanol plus tetrahydrofuran+1-alkyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide at 101.3 kPa

FLUID PHASE EQUILIBRIA

2016

423

  

17

36

Zhu, Jiujuan; Li, Qunsheng; Li, Mantuan; Song, Xiaoling; Tang, Hongjian; Liu, Yudong

The isobaric vapor liquid equilibria of ethyl acetate plus acetonitrile plus bis(trifluoromethylsulfonyl)imide-based ionic liquids at 101.3 kPa

FLUID PHASE EQUILIBRIA

2016

425

  

289-296

37

Zhang, Yuxin; Yu, Dan; Guo, Fan; Shen, Yang; Zhou, Jiacheng; Li, Zhuo; Li, Qunsheng

Vapor-Liquid Equilibria Measurement of (Methanol plus Ethanenitrile plus Bis(trifluoromethylsulfonyl) Imide)-Based Ionic Liquids at 101.3 kPa

JOURNAL OF CHEMICAL AND ENGINEERING DATA

2016

61

7

2202-2208

38

Liu, Huan; Kong, Delong; Sun, Wei; Li, Qunsheng; Zhou, Zhiyong; Ren, Zhongqi

Effect of anions on the polymerization and adsorption processes of Cu(II) ion-imprinted polymers

CHEMICAL ENGINEERING JOURNAL

2016

303

  

348-358

39

Tian, Yuanming; Li, Jinhuan; Wu, Bin; Zhang, Yuqiang; Tang, Hongjian; Li, Qunsheng

Determination and Modeling of the Solubility of 2,4-Dimethoxybenzoic Acid in Six Pure and Isopropanol plus Ethyl Acetate Mixed Organic Solvents at Temperatures From (288.15 to 323.15) K

JOURNAL OF CHEMICAL AND ENGINEERING DATA

2015

60

4

1098-1105

40

Cao, Ling; Liu, Panpan; Wang, Baohua; Li, Qunsheng

Vapor-liquid equilibria for tetrahydrofuran plus ethanol system containing three different ionic liquids at 101.3 kPa

FLUID PHASE EQUILIBRIA

2014

372

  

49-55

41

Dai, Chengna; Lei, Zhigang; Zhang, Jie; Li, Qunsheng; Chen, Biaohua

Simulation of structured catalytic packings in a bubble-point reactor

CHEMICAL ENGINEERING SCIENCE

2013

100

  

373-383

42

Lei, Zhigang; Han, Jingli; Zhang, Benfeng; Li, Qunsheng; Zhu, Jiqin; Chen, Biaohua

Solubility of CO2 in Binary Mixtures of Room-Temperature Ionic Liquids at High Pressures

JOURNAL OF CHEMICAL AND ENGINEERING DATA

2012

57

8

2153-2159

43

Lei, Zhigang; Qi, Xiaoxi; Zhu, Jiqin; Li, Qunsheng; Chen, Biaohua

Solubility of CO2 in Acetone, 1-Butyl-3-methylimidazolium Tetrafluoroborate, and Their Mixtures

JOURNAL OF CHEMICAL AND ENGINEERING DATA

2012

57

12

3458-3466

44

Dai, Chengna; Lei, Zhigang; Li, Qunsheng; Chen, Biaohua

Pressure drop and mass transfer study in structured catalytic packings

SEPARATION AND PURIFICATION TECHNOLOGY

2012

98

  

78-87

45

Liu, Xing; Lei, Zhigang; Wang, Tao; Li, Qunsheng; Zhu, Jiqin

Isobaric Vapor-Liquid Equilibrium for the Ethanol + Water+2-Aminoethanol Tetrafluoroborate System at 101.3 kPa

JOURNAL OF CHEMICAL AND ENGINEERING DATA

2012

57

12

3532-3537

46

Lei, Zhigang; Han, Jingli; Li, Qunsheng; Chen, Biaohua

Process Intensification on the Supercritical Carbon Dioxide Extraction of Low-Concentration Ethanol from Aqueous Solutions

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH

2012

51

6

2730-2737

47

Lei, Zhigang; Zou, Zhiwu; Dai, Chengna; Li, Qunsheng; Chen, Biaohua

Synthesis of dimethyl ether (DME) by catalytic distillation

CHEMICAL ENGINEERING SCIENCE

2011

66

14

3195-3203

48

Wu, Xiaohua; Lei, Zhigang; Li, Qunsheng; Zhu, Jiqin; Chen, Biaohua

Liquid-Liquid Extraction of Low-Concentration Aniline from Aqueous Solutions with Salts

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH

2010

49

6

2581-2588

49

Lei, Zhigang; Zhang, Jiguo; Li, Qunsheng; Chen, Biaohua

UNIFAC Model for Ionic Liquids

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH

2009

48

5

2697-2704

50

Lei, Zhigang; Yang, Yang; Li, Qunsheng; Chen, Biaohua

Catalytic distillation for the synthesis of tert-butyl alcohol with structured catalytic packing

CATALYSIS TODAY

2009

147

  

S352-S356

51

Wang, Shui; Li, Qun-Sheng; Li, Ya-Ling

Solubility of D-p-hydroxyphenylglycine in water, methanol, ethanol, carbon tetrachloride, toluene, and N,N-dimethylformamide between 278 K and 323 K

JOURNAL OF CHEMICAL AND ENGINEERING DATA

2006

51

6

2201-2202

52

Pi Yao; Li Qunsheng; Liang Zuodong; Liu Huiying

Research of equipment applied for distillation of viscous and self-polymerized materials

AICAM 2005

2006

1112

  

717-720


获奖:获奖证书
1) 2003年-易自聚物料精馏新技术的研究开发与应用-中国石油和化学工业协会科技进步奖一等奖(第一获奖人)
2) 2000年-导向筛板塔在PVA生产中应用的研究开发-河北省科技进步奖二等奖(第一获奖人)
3) 2001年-高效导向筛板塔在化工生产中的开发研究与工业应用-中国石油和化学工业协会科技进步奖二等奖(第一获奖人)
4) 2004年-高粘度、易自聚等特殊物系精馏新技术的研究开发与应用-国家科技进步奖二等奖(第一获奖人)
5) 2005年-北京市教育教学成果(高等教育)一等奖
6) 2005年-国家级教学成果奖-二等奖
7) 2006年-BH型高效填料塔与分离过程强化的研究、开发及产业化-中国石油和化学工业联合会科技进步奖一等奖(第一获奖人)
8) 2006年-北京化工大学校级优秀教学成果二等奖
9) 2006年-北京市教育创新标兵
10) 2007年-面向非均相分离过程的PTFE膜开发及其应用-中国石油和化学工业协会科技进步奖一等奖
11) 2007年-电石法聚氯乙烯生产新型高效分离技术的研究、开发与工业应用-新疆生产建设兵团科技进步奖二等奖(第一获奖人)
12) 2009年-特殊精馏过程的应用基础研究-中国石油和化学工业协会科技进步奖一等奖
13) 2013年-电石法聚氯乙烯原料气高效净化技术的研究及应用-八师石河子市科技进步奖一等奖(第一获奖人)
14) 2013年-高效导向筛板塔-中国专利优秀奖 (第一获奖人)
15) 2014年-电石法聚氯乙烯生产中分离提纯新技术的研究及工业应用-中国石油和化学工业联合会科技进步奖一等奖(第一获奖人)
16) 2017年-传质分离理论与现代塔器技术-中国石油和化学工业优秀出版物奖图书奖一等奖
17) 2017年 BH填料-中国专利优秀奖(第一获奖人)
18) 2017年-新型导向筛浮塔板与高效S型填料的研究开发及其工业应用-中国石油和化学工业联合会科技进步奖二等奖(第一获奖人)

论著专利

传质分离理论与现代塔器技术 李群生 化学工业出版社 2016年4月 978-7-122-25713-0
专利:
[1] 高效导向筛板塔-发明专利
[2] 高效导向筛板塔-实用新型专利
[3] 丝网波纹填料-发明专利
[4] 丝网填料-实用新型专利
[5] 填料式导向塔板-实用新型专利
[6] 槽槽式液体分布器-实用新型专利
[7] 一种低阻力、可精确控制流量的阀门-实用新型专利
[8] 聚乙烯醇生产新工艺-发明专利
[9] 导向固定阀孔塔板-发明专利
[10] 连续结晶塔-发明专利
[11] 群环填料-发明专利
[12] 甲醇与合成气制备醋酸乙烯-发明专利
[13] 一种乙炔氢氯化制氯乙烯的催化剂及其制备方法-发明专利
[14] 乙腈溶剂法的碳五馏分的分离与综合利用-发明专利

讲授课程

现代传质理论与塔器技术、化工设计(Ⅰ)、化工设计(Ⅱ)、现代分离工程的研究及其在化工生产中的应用


合作交流

美国华盛顿州立大学客座教授


招生需求

招生要求:有较强的独立动手和思考能力,有创新精神。 寄语:勤奋、求实、自强、创新。