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2019 Volume 34 Issue 2
2019, 34(2): 1-16
doi: 10.3866/PKU.DXHX201806019
Abstract:
In recent decades, hypervalent iodine chemistry has witnessed its explosive development. Hypervalent iodine reagents have drawn considerable attentions and their reactivities have been continuously explored. Hypervalent iodine reagents, featuring fac...
In recent decades, hypervalent iodine chemistry has witnessed its explosive development. Hypervalent iodine reagents have drawn considerable attentions and their reactivities have been continuously explored. Hypervalent iodine reagents, featuring fac...
2019, 34(2): 17-21
doi: 10.3866/PKU.DXHX201806007
Abstract:
The practice and innovation ability of professional masters are the important goal during the professional master training process. In this paper, the practice course of “chemical power manufacturing engineering” in Harbin Institute of Technology has...
The practice and innovation ability of professional masters are the important goal during the professional master training process. In this paper, the practice course of “chemical power manufacturing engineering” in Harbin Institute of Technology has...
2019, 34(2): 22-25
doi: 10.3866/PKU.DXHX201807008
Abstract:
With the development modes of chemical industries in China being transformed from the simple capacity-expansion to comprehensive connotative development of manufacture, quality control, market and environmental protection, the importance for undergra...
With the development modes of chemical industries in China being transformed from the simple capacity-expansion to comprehensive connotative development of manufacture, quality control, market and environmental protection, the importance for undergra...
2019, 34(2): 26-29
doi: 10.3866/PKU.DXHX201807019
Abstract:
We focused on strengthening the cultivation of students' teaching practice ability and innovation ability through a variety of initiatives such as the plan for improving teachers' educational ability and the plan for enhancing scientific innovation a...
We focused on strengthening the cultivation of students' teaching practice ability and innovation ability through a variety of initiatives such as the plan for improving teachers' educational ability and the plan for enhancing scientific innovation a...
2019, 34(2): 30-36
doi: 10.3866/PKU.DXHX201806020
Abstract:
X-ray crystallography is the study of the structures of crystallized materials. X-ray diffraction analysis is the most important technology to measure and provide the more detailed structural information. In this paper, the brief history of X-ray cry...
X-ray crystallography is the study of the structures of crystallized materials. X-ray diffraction analysis is the most important technology to measure and provide the more detailed structural information. In this paper, the brief history of X-ray cry...
2019, 34(2): 37-43
doi: 10.3866/PKU.DXHX201807006
Abstract:
It is one of the contents of the connotation construction of laboratory construction and management to complete the meticulous preparation of basic chemistry experiments scientifically and provide more efficient services for the laboratory teaching. ...
It is one of the contents of the connotation construction of laboratory construction and management to complete the meticulous preparation of basic chemistry experiments scientifically and provide more efficient services for the laboratory teaching. ...
2019, 34(2): 44-48
doi: 10.3866/PKU.DXHX201806012
Abstract:
We present three management modes to enhance the management to the medium-scale and small-scale instruments in basic chemistry laboratory, such as the whole-process management, classification management and internet plus auxiliary management. These m...
We present three management modes to enhance the management to the medium-scale and small-scale instruments in basic chemistry laboratory, such as the whole-process management, classification management and internet plus auxiliary management. These m...
2019, 34(2): 49-54
doi: 10.3866/PKU.DXHX201806014
Abstract:
The experiment on preparation and empirical formula determination of hexamine cobalt(Ⅲ) chloride is a comprehensive experiment in the basic chemistry laboratory. The coordination compound was prepared by the reaction of CoCl2 with H2O2 as the oxidant...
The experiment on preparation and empirical formula determination of hexamine cobalt(Ⅲ) chloride is a comprehensive experiment in the basic chemistry laboratory. The coordination compound was prepared by the reaction of CoCl2 with H2O2 as the oxidant...
2019, 34(2): 55-60
doi: 10.3866/PKU.DXHX201807046
Abstract:
Isothermal cycle is a classical method to solve thermodynamic problems in physical chemistry textbooks. In this paper, it is pointed out that The Gibbs free energy change of the reversible phase transformation of the droplet into the gas should be gi...
Isothermal cycle is a classical method to solve thermodynamic problems in physical chemistry textbooks. In this paper, it is pointed out that The Gibbs free energy change of the reversible phase transformation of the droplet into the gas should be gi...
2019, 34(2): 61-64
doi: 10.3866/PKU.DXHX201807040
Abstract:
Living polymerization, particularly the criteria of living polymerization, plays an important role in the course of polymer chemistry. In this paper, we summarize the criteria of living polymerization and analyze the sources of each criterion careful...
Living polymerization, particularly the criteria of living polymerization, plays an important role in the course of polymer chemistry. In this paper, we summarize the criteria of living polymerization and analyze the sources of each criterion careful...
2019, 34(2): 65-69
doi: 10.3866/PKU.DXHX201811004
Abstract:
Taking the chapter of electrolyte solution as an example, multiple kinds of treatments on the data listed in tables in physical chemistry textbook are introduced in this article. Data supplement, diagram with curves, data difference calculation and t...
Taking the chapter of electrolyte solution as an example, multiple kinds of treatments on the data listed in tables in physical chemistry textbook are introduced in this article. Data supplement, diagram with curves, data difference calculation and t...
2019, 34(2): 70-75
doi: 10.3866/PKU.DXHX201806033
Abstract:
Volumetric titration analysis is an important content of chemical analysis; but it is traditionally considered to use large amount sample, take long analysis time, have low sensitivity, and involve harsh analytical conditions. This paper provides per...
Volumetric titration analysis is an important content of chemical analysis; but it is traditionally considered to use large amount sample, take long analysis time, have low sensitivity, and involve harsh analytical conditions. This paper provides per...
2019, 34(2): 76-80
doi: 10.3866/PKU.DXHX201806015
Abstract:
The subjunctive mood plays an important role in expressing wishes, doubts and uncertainties. In this paper, we analyze and summarize the use of subjunctive mood in several examples selected from chemical literatures. It is proposed that attention sho...
The subjunctive mood plays an important role in expressing wishes, doubts and uncertainties. In this paper, we analyze and summarize the use of subjunctive mood in several examples selected from chemical literatures. It is proposed that attention sho...
2019, 34(2): 81-89
doi: 10.3866/PKU.DXHX201805027
Abstract:
The 21st century witnesses the most rapid development of life science and computer science. As the core of current scientific research, chemistry forms an integration in close combination with other subjects including biology and information science....
The 21st century witnesses the most rapid development of life science and computer science. As the core of current scientific research, chemistry forms an integration in close combination with other subjects including biology and information science....
2019, 34(2): 90-98
doi: 10.3866/PKU.DXHX2018110191
Abstract:
The problems in the preliminary test of the 32nd Chinese Chemistry Olympiad were resolved. The problem-solving techniques and calculations were developed, and the background and bibliography involved were also provided.
The problems in the preliminary test of the 32nd Chinese Chemistry Olympiad were resolved. The problem-solving techniques and calculations were developed, and the background and bibliography involved were also provided.
