2016 Volume 31 Issue 6
2016, 31(6): 1-6
doi: 10.3866/PKU.DXHX201508003
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...
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:
Physical Chemistry Teaching in "Excellent Students Training Program in Basic Scientific Disciplines"
2016, 31(6): 10-15
doi: 10.3866/PKU.DXHX201509015
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 ...
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 ...
2016, 31(6): 16-20
doi: 10.3866/PKU.DXHX201506015
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...
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...
2016, 31(6): 21-25
doi: 10.3866/PKU.DXHX201509023
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 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...
2016, 31(6): 26-28
doi: 10.3866/PKU.DXHX201510003
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...
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...
2016, 31(6): 29-32
doi: 10.3866/PKU.DXHX201601040
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...
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...
2016, 31(6): 33-39
doi: 10.3866/PKU.DXHX201507005
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...
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...
2016, 31(6): 40-43
doi: 10.3866/PKU.DXHX201506019
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...
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...
2016, 31(6): 44-48
doi: 10.3866/PKU.DXHX201506004
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...
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...
2016, 31(6): 49-52
doi: 10.3866/PKU.DXHX201507001
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...
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...
2016, 31(6): 53-57
doi: 10.3866/PKU.DXHX201507004
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...
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...
2016, 31(6): 58-61
doi: 10.3866/PKU.DXHX201506014
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...
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...
2016, 31(6): 62-66
doi: 10.3866/PKU.DXHX201506012
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 ...
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 ...
2016, 31(6): 67-71
doi: 10.3866/PKU.DXHX201508001
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...
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...
2016, 31(6): 72-79
doi: 10.3866/PKU.DXHX201510022
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...
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...
2016, 31(6): 80-83
doi: 10.3866/PKU.DXHX201506008
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...
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...
2016, 31(6): 84-89
doi: 10.3866/PKU.DXHX201507008
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...
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...
2016, 31(6): 90-97
doi: 10.3866/PKU.DXHX201504001
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 ...
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 ...
2016, 31(6): 98-102
doi: 10.3866/PKU.DXHX201504029
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 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.
2016, 31(6): 103-110
doi: 10.3866/PKU.DXHX201604027
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.
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.