2016 Volume 31 Issue 6

2016, 31(6):
[Abstract](388) [FullText HTML] [PDF 515KB](0)
Abstract:
Carboxyl-Directed C―H Functionalization and Subsequent Decarboxylative Coupling Reactions of Aromatic Ac
SHI Xian-Ying , LIU Ke-Yan
2016, 31(6): 1-6  doi: 10.3866/PKU.DXHX201508003
[Abstract](683) [FullText HTML] [PDF 1134KB](10)
Abstract:
Employing ortho or papa-substituted benzoic acids as starting materials, meta-substituted aromatic compounds, which are much more difficult to be prepared by the traditional methods, can be generated via an ortho C―H functionalization directed by car...
2016, 31(6): 7-9  doi: 10.3866/PKU.DXHX201605004
[Abstract](453) [FullText HTML] [PDF 331KB](2)
Abstract:
Physical Chemistry Teaching in "Excellent Students Training Program in Basic Scientific Disciplines"
HAO Jing-Cheng
2016, 31(6): 10-15  doi: 10.3866/PKU.DXHX201509015
[Abstract](382) [FullText HTML] [PDF 1034KB](3)
Abstract:
The "Taishan School of Shandong University" is built to cultivate top talents with creativity to lead effectively in the basic science fields and to become the first-class scientific professionals. The key in physical chemistry teaching is to select ...
Exploration on Formative Evaluation and Summative Evaluation in Chemistry Course
LAI Xue-Fei , XIE Chuan , LONG Qin , LIAO Li , ZHOU Jia-Bei , HE Jing-Ping , LU Hou-Fang
2016, 31(6): 16-20  doi: 10.3866/PKU.DXHX201506015
[Abstract](421) [FullText HTML] [PDF 497KB](1)
Abstract:
In this paper, we summarized the problems of traditional evaluation in the course of fundamentals of modern chemistry (inorganic chemistry), and explored the new evaluation method based on "formative evaluation (50%) + summative evaluation (50%)". Fo...
Teaching and Practice of College Chemistry Specialized for Aeronautics and Astronautics
LU Xian-Yong , YANG Qing-Lin , ZHU Ying
2016, 31(6): 21-25  doi: 10.3866/PKU.DXHX201509023
[Abstract](474) [FullText HTML] [PDF 571KB](1)
Abstract:
A teaching reform of college chemistry by combination of aeronautics and astronautics has been well performed in our university. This reform has stimulated students' interest in studying college chemistry with their professional pride. Above all, mos...
A Diversified Way of Teaching Polymer Chemistry in Normal University
CHEN Li , LI Yan-Mei , LÜ Chang-Li , ZHANG Jing-Ping
2016, 31(6): 26-28  doi: 10.3866/PKU.DXHX201510003
[Abstract](468) [FullText HTML] [PDF 364KB](1)
Abstract:
It is known that polymers affect our life in all aspects, and the necessity of setting up the course of polymer chemistry in colleges especially in normal universities has been addressed in this paper. To solve the problems confronted in the teaching...
Comparison of the Organic Spectroscopic Analysis Course Teaching between Undergraduates and Postgraduates
WANG Duo-Zhi , LIU Chen-Jiang
2016, 31(6): 29-32  doi: 10.3866/PKU.DXHX201601040
[Abstract](422) [FullText HTML] [PDF 380KB](1)
Abstract:
This paper discusses the differences in choice of teaching materials and main contents, teaching mode, teaching practices and the teaching program between undergraduates and graduate students in teaching the organic spectroscopic analysis course. The...
The Innovation of the Pesticide Chemistry Course
ZHOU Yuan-Ming , SUN Jia-Long
2016, 31(6): 33-39  doi: 10.3866/PKU.DXHX201507005
[Abstract](425) [FullText HTML] [PDF 1441KB](1)
Abstract:
In order to meet the demands of the pesticide chemistry education in the fast developing era, the teaching reform and practice have been made on the pesticide chemistry course by the "three-in-one" model which integrates classroom teaching, student e...
Exploration in the Teaching of Inorganic Chemistry Laboratory Cou
ZHOU Zu-Xin , WANG Ai-Min , XIAO Xiu-Zhen , HUANG Sha-Hua , CHENG Li-Ping
2016, 31(6): 40-43  doi: 10.3866/PKU.DXHX201506019
[Abstract](544) [FullText HTML] [PDF 396KB](1)
Abstract:
In the inorganic chemistry laboratory teaching, we use a series of ways to improve the teaching effects. Questions and scenario design are used when introducing some key knowledge points. Students are guided and encouraged to set up and carry out che...
Practice of Discussion-Based Teaching on Work-Heat Transfer in Thermodynamic Reversible Process
XU Hai
2016, 31(6): 44-48  doi: 10.3866/PKU.DXHX201506004
[Abstract](440) [FullText HTML] [PDF 539KB](1)
Abstract:
The discussion-based teaching method is applied to the physical chemistry course for insightful understanding of the work-heat transfer in thermodynamic reversible process. By means of the discussionbased teaching, students can have a good command of...
Practice and Exploration on the Management of General Chemistry Laboratory
WEI Yu-Xiu , CAI Ji-Qing , ZHU Hai-Juan , WANG Qiu-Ping , TAN Gui-E , ZENG Xiu-Qiong
2016, 31(6): 49-52  doi: 10.3866/PKU.DXHX201507001
[Abstract](528) [FullText HTML] [PDF 397KB](2)
Abstract:
In Zhejiang University, a series of practice and exploration on laboratory management and teaching assistant have been carried out to improve the general chemistry laboratory teaching. This article analyzed and proposed effective methods in optimizin...
Preparation of Bismuth Vanadate Yellow Pigment: an Inorganic Chemistry Experiment Recommended
WANG Zhou , SHI Jian-Xin , PENG Min , LAI Rong , LI Lian-Yun , CHEN Liu-Ping
2016, 31(6): 53-57  doi: 10.3866/PKU.DXHX201507004
[Abstract](856) [FullText HTML] [PDF 440KB](9)
Abstract:
The preparation of bismuth vanadate yellow pigment by the liquid-phase precipitation method using Bi(NO3)3 and NH4VO3 as raw materials is recommended as an inorganic chemistry experiment. Students are required to obtain small and uniform BiVO4 yellow...
Experimental Improvements on Determination of Dissociation Constant of Acetic Acid by Conductometry
CHEN Yu-Huan , ZHANG Shu-Ming , WANG Gui-Xiang , ZHANG Ying
2016, 31(6): 58-61  doi: 10.3866/PKU.DXHX201506014
[Abstract](986) [FullText HTML] [PDF 493KB](3)
Abstract:
Experimental improvements on determination of dissociation constant of acetic acid have been made by using thermostat, improving solution preparation, and changing the way of using electrode. These improvements greatly expand the lifetime of electrod...
Perspectives on the Catalytic Action of Catalysts in Organic Chemical Reactions Based on Electron Flow
WANG Wen-Feng , YUAN Yao-Feng
2016, 31(6): 62-66  doi: 10.3866/PKU.DXHX201506012
[Abstract](415) [FullText HTML] [PDF 1163KB](2)
Abstract:
The four basic manners through which the catalyst accelerates the organic chemical reaction have been summarized, including setting up electron flow channel, changing electron flow property, improving electron flow ability and stabilizing electronic ...
About Teaching the Overpotential and Decomposition Potential
WANG Xin-Ping , WANG Xu-Zhen , REN Su-Zhen , WANG Xin-Kui , LÜ Zhe
2016, 31(6): 67-71  doi: 10.3866/PKU.DXHX201508001
[Abstract](703) [FullText HTML] [PDF 806KB](3)
Abstract:
The shortcomings of the graphic statements on electrode polarization curves and electrolysis curves in current physical chemistry textbook were discussed. The electrolysis curves were recorded using Pt as the electrode, and 1.0 mol·L-1 KOH and 0.50 m...
Relationship between Photoelectron Lifetime and Dielectric Constant and Its Effect on the Photocatalysis
LIN Ze-Dong , DAI Yu-Hua , LI Ke-Xin
2016, 31(6): 72-79  doi: 10.3866/PKU.DXHX201510022
[Abstract](737) [FullText HTML] [PDF 556KB](2)
Abstract:
In this article, the relationship equation between the photoelectron lifetime of the conduction band of photocatalyst and the dielectric constant of photocatalyst is derived. According to the photocatalytic mechanism and the derived equation, the rel...
Applications of Materials Studio and Matlab Software Packages in the Chemical Kinetics Teaching
CHEN Xin , LI Biao , YAO Jun , ZHU Yuan-Qiang
2016, 31(6): 80-83  doi: 10.3866/PKU.DXHX201506008
[Abstract](725) [FullText HTML] [PDF 632KB](12)
Abstract:
In teaching chemical kinetics, especially for the transition- state theory and steady- state approximation method, the use of Materials Studio and Matlab software can help visualize the learning of the abstract chemical theory. This facilitates the c...
The Spatial-Temporal Characteristic of Ideal Reactors and Their Inherent Relations
LI Xiang , WANG An-Jie , CHEN Yong-Ying
2016, 31(6): 84-89  doi: 10.3866/PKU.DXHX201507008
[Abstract](485) [FullText HTML] [PDF 743KB](1)
Abstract:
On the basis of spatial-temporal characteristic of ideal reactors, the inherent relations among the batch reactor, the plug flow reactor (PFR), and the continuous stirred tank reactor (CSTR) were discussed. Both the F and E functions of the recycle P...
How to Interpret Infrared (IR) Spectra
WANG Jing-Zun , WANG Ting
2016, 31(6): 90-97  doi: 10.3866/PKU.DXHX201504001
[Abstract](982) [FullText HTML] [PDF 508KB](8)
Abstract:
The molecular structure information of functional group and chemical bond has been provided in IR spectra. In general, a chemical bond may present multiple IR peaks, and one peak may be a superimposed absorption from more than one chemical bonds. It ...
Precipitation Titration for Multiple Ions
QIAO Cheng-Li
2016, 31(6): 98-102  doi: 10.3866/PKU.DXHX201504029
[Abstract](595) [FullText HTML] [PDF 435KB](6)
Abstract:
The absolute value of titration break in precipitation titration is deduced with the Ringbom titration curve equation, and the conditions for accurate precipitation titration are thus deduced with the absolute value of the titration break.
The Design and Analysis of Experimental Test for the 29th Chinese Chemical Olympiad (Finals)
ZHA Zheng-Gen , JIN Gu , LAN Quan , HUANG Wei , ZHU Ping-Ping
2016, 31(6): 103-110  doi: 10.3866/PKU.DXHX201604027
[Abstract](463) [FullText HTML] [PDF 805KB](7)
Abstract:
The design of experimental test for the 29th Chinese Chemical Olympiad (Finals) was introduced and analyzed. Experimental test, design ideas, the development of experimental selection and evaluation rules were provided.
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