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Chinese Journal of Chemical Education  
  Chinese Journal of Chemical Education--2015, 36 (22)   Published: 18 November 2015
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Chinese Journal of Chemical Education. 2015, 36 (22): 0-0.
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Application of Project Research Mode in Training Problem-solving Ability of Undergraduate Students

LI Xue-Feng, HOU Ke-Ke
Chinese Journal of Chemical Education. 2015, 36 (22): 1-4. ;  doi: 10.13884/j.1003-3807hxjy.2014070009
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This article applied project research mode to guide students to complete projects in which students learned to think independently, analyze and solve problems, and developed their innovative ability finally. The main steps of the mode included selection of a project, selection of students, investigation, experiment, conclusion, etc. Project types were experiment, engineering (design) and business. Specific requirements and implementing methods of each step were analyzed in detail and characteristics and effects of the mode were also discussed with examples. The results showed that the mode was feasible and effective for training students' innovative ability but need to be further improved.

Current Situation and Countermeasure of Curriculum System Construction of Chemical Engineering in Colleges

YAO Wei
Chinese Journal of Chemical Education. 2015, 36 (22): 5-8. ;  doi: 10.13884/j.1003-3807hxjy.2015030057
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Based on the understanding of connotation and important values of the curriculum system construction in colleges, this paper analyzed the current situation of curriculum system construction of chemical engineering in colleges, and proposed five changes to enhance the curriculum system construction of chemical engineering, including that the ideas of education should be changed to the student-oriented idea to promote the self-actualization of each student, the curriculum settings should be integrated to accomplish the integration of the subject curriculum, the curriculum selection should be multiplex to optimize students' knowledge structure, the content of courses should be multi-level to pay attention on the integrity and systematicness of study, and the curriculum evaluation should be scientific to reflect the predominant roles of students.

Practice and Reflection on Chemical General Course in Local Universities with Example of Nice Life and Chemistry

CHEN Kai, CHEN Chang-Yun
Chinese Journal of Chemical Education. 2015, 36 (22): 9-14. ;  doi: 10.13884/j.1003-3807hxjy.2015050085
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Based on the practice experience of setting up chemical general course, this article presented the course of Nice Life and Chemistry from aspects of the orientation of the course, the setting of modules, the establishment of subjects and materials for the lesson preparation, introduced teaching ideas and implementation features from aspects of teacher-student interaction, knowledge expansion, interest orientation and courseware design, discussed the reflections on team construction, curriculum evaluation, resource construction and education of normal students.

Application of Mind-mapping in University Chemistry Teaching with Chemical Equilibrium as Example

CHENG Chun-Ying, Mheta'er Tu'erhong, Abaydulla Alimjan, YIN Xue-Bo
Chinese Journal of Chemical Education. 2015, 36 (22): 15-18. ;  doi: 10.13884/j.1003-3807hxjy.2015020067
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This article introduced the mind-mapping method as an effective method to summarize and organize contents of university chemistry with chemical equilibrium as an example, which could help students independently organize learning contents, facilitate the arrangement and understanding of contents they have learned, stimulate students' learning enthusiasm and cultivate students' practical ability through classification and organization of knowledge points.

Effect of Electronic Effect on Orientation Effect and Reactivity of Mono-substituted Benzenes

CHENG Shao-Ling, WANG Hua-Jing, XIE Yun-Fu
Chinese Journal of Chemical Education. 2015, 36 (22): 19-21. ;  doi: 10.13884/j.1003-3807hxjy.2015040018
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The orientation effect and the reactivity of mono-substituted benzenes are controlled by the electronic effect of the substituent groups. By means of tabulation, this paper summarized the relationship among the electronic effect of the substituent groups, the orientation effect and the reactivity, also analyzed the particularity of electronic effect of alky and the universality of the-Ⅰ effect of substituent groups. Meanwhile, this paper discussed the fact that the direction of the conjugation effect played a decisive role on the orientation effect and the reactivity except halogen substituent groups.

Application of Monotonicity of Function and Derivative in Physical Chemistry Teaching

SHENG Wang-Qing, LIAO Hua, ZHU De-Mei
Chinese Journal of Chemical Education. 2015, 36 (22): 22-24. ;  doi: 10.13884/j.1003-3807hxjy.2014120147
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This paper analyzed the application of monotonicity of function in Arrhenius equation, adsorption thermodynamics, Van't Hoff equation and Clapeyron equation, introduced the application of derivatives to deduce the saturated vapor pressure function of the Kelvin micro droplet formula, and skillful applications of derivatives in some proving problems and calculating questions. So that, the abstract contents of physical chemistry could be concretized by mathematical knowledge, and the abstruse theories of physical chemistry could become simple mathematical knowledge.

Application of Situational Teaching in Physical Chemistry Teaching

LIU Yuan, TANG Bin, DU Jun
Chinese Journal of Chemical Education. 2015, 36 (22): 25-27. ;  doi: 10.13884/j.1003-3807hxjy.2014110111
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According to the practice and experience of physical chemistry teaching in medical college, the author created the situational teaching with representative life scenes in spring, summer, autumn and winter to arouse students' interest in learning, let students independently inquiry and solve real-world problems using thinking ways of physical chemistry, and help them to complete the construction of knowledge structure ultimately.

Effect of Key Preparation Parameters on Formation of Basic Copper Carbonate

WU Yong-Juan, ZHAO Da-Zhou, FEI Fei, LI Sa-Ying, WANG Fu-Min, LIU Zhong-Wen
Chinese Journal of Chemical Education. 2015, 36 (22): 28-33. ;  doi: 10.13884/j.1003-3807hxjy.2015010045
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This paper carefully analyzed the effects of key preparation parameters such as molar ratio of CuSO4 to Na2CO3, temperature, controlled pH, drop order and speed of the reaction materials on the formation of basic copper carbonate (Cu2(OH)2CO3) by IR, XRD, SEM and photographic technology taking copper(Ⅱ) sulphate (CuSO4) and sodium carbonate (Na2CO3) as raw materials. The results indicated that light green Cu2(OH)2CO3 with better crystallisation degree could be obtained when the molar ratio of CuSO4 to Na2CO3 was 1.2~1.4 by dropping CuSO4 solution into Na2CO3 solution (positive drop, drop speed=2.0 mL/min) at 328~353 K. The final pH of the reaction suspension was 8.90~9.15. The controlled pH, the drop order and speed of the reaction materials also influenced the final product species. Cu2(OH)2CO3 could be obtained as pH was 7, whereas, Cu2(OH)2CO3 could not be obtained at pH 8~9. In addition, Cu2(OH)2CO3 was not obtained by dropping Na2CO3 solution into CuSO4 solution as the drop speed was 2.0 mL/min, whereas, when the dropping speed of Na2CO3 solution was 0.5 mL/min Cu2(OH)2CO3 could be obtained.

Inquiry Physical Chemistry Experiment: Preparation and Performances of Graphene Membrane/Nickel Hydroxide Complex Materials

XU Juan, CAO Jian-Yu, CHEN Zhi-Dong
Chinese Journal of Chemical Education. 2015, 36 (22): 34-38. ;  doi: 10.13884/j.1003-3807hxjy.2015050034
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Combining research results with experiment teaching, this article devised one novel inquiry physical chemistry experiment:preparation and performances of graphene membrane/nickel hydroxide complex materials. Students were guided to independently review literatures, design experiment scheme and characterize electrode materials for constructing next generation flexible energy storage elements. This experiment could be helpful to strengthen students' theoretical knowledge, expand their knowledge, cultivate their scientific attitude and experimental skills, improve their ability to analyze and solve problems. In general, this experiment met the demands of inquiry physical chemistry experiment.

Experiment Teaching of Fabrication and Photovoltaic Property of Dye-sensitized Solar Cells

ZHOU Xiao-Yan, ZHANG Ya-Ping, HAN Li-Li, HAO Hong-Yang
Chinese Journal of Chemical Education. 2015, 36 (22): 39-41. ;  doi: 10.13884/j.1003-3807hxjy.2015010122
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This paper introduced the construction of excellent experiment with example of fabrication and photovoltaic property of TiO2-based dye-sensitized solar cells (DSSC). This experiment prepared nanometer TiO2-based DSSC, examined the effect of TiCl4 pretreatment on photoelectric properties of DSSC, characterized the microstructure of the sample and calculated the performance parameters. Through the excellent experiment training, students' theoretical knowledge was applied, and students' innovative ability and scientific thinking were improved.

Suggestions on Teaching Reform of Analytical Chemistry Experiment

REN Chun-Yan, MA Chuan-Li, LV Hai-Tao
Chinese Journal of Chemical Education. 2015, 36 (22): 42-44. ;  doi: 10.13884/j.1003-3807hxjy.2015010023
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Based on the teaching status of analytical chemistry experiment, this paper proposed some suggestions on teaching reform of analytical chemistry experiment, such as increasing integrative and design experiments, weakening the effects of teachers and textbooks while increasing the initiativity of students, arranging the course to ensure the progress of theory class and experiment class consistent and improving the experiment evaluation mechanism to cultivate college students meeting the needs of society.

Courses Group Construction for Pre-service Chemistry Teacher Education

LIU Bao, NONG Ying, CHEN Yan-Yuan, LUO Wei-Qiang, TAO Qiang, LU Hong-Qing
Chinese Journal of Chemical Education. 2015, 36 (22): 45-49. ;  doi: 10.13884/j.1003-3807hxjy.2014100116
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This paper discussed the meaning, characteristics and setting ideas of pre-service chemistry teacher education courses group, proposed four construction and implementation plans of the courses group of pre-service chemistry teacher education from multi-levels, multi-dimensions and multi-modules such as teaching theory courses group, teching skills courses group, teaching practice courses group and teaching research courses group.

Teaching Content and Teaching Mode of Higher Vocational Chemistry Based on Experiment

FU Xi-Jun
Chinese Journal of Chemical Education. 2015, 36 (22): 50-54. ;  doi: 10.13884/j.1003-3807hxjy.2015040069
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Teaching content of chemistry in higher vocational education was designed for basic operation, basic knowledge and basic application with experiment as the main line, and teaching modes of imitative learning, discovery learning and experiential learning were used respectively, which focused on the cultivaiven of students' practical ability, learning ability, practical ability and innovative ability. Teaching practice showed that the design of teaching content and teaching mode conformed to the direction of personnel training in higher vocational education and students' reality, and could significantly improve the teaching quality.

Application of Integration of PBL and LBL Teaching Modes in Organic Chemistry Teaching for Engineering

FENG Xi-Lan, HU Lin-Feng, LI Ying
Chinese Journal of Chemical Education. 2015, 36 (22): 55-58. ;  doi: 10.13884/j.1003-3807hxjy.2015010134
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This paper analyzed the advantages and disadvantages of PBL(Problem-based Learning) teaching mode, proposed the integrated teaching mode of PBL and LBL(Lecture-based Learning) teaching mode and applied the integrated teaching mode in the organic chemistry teaching in pharmaceutical engineering major, chemical engineering and technology major. Practice showed that this integrated teaching mode was helpful to enhance the teaching effect and improve the teaching quality, and could be applied in the organic chemistry teaching in engineering colleges.

Theoretical Teaching of Blood Buffer System

ZHANG Qing-Fang, HOU Zheng-Li, HAO Yi
Chinese Journal of Chemical Education. 2015, 36 (22): 59-61. ;  doi: 10.13884/j.1003-3807hxjy.2015050059
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In basic chemistry course for freshman major in clinical medicine of Changsha Medical University, this article proposed four-questions-based teaching method for blood buffer system. Results showed that students became more active to answer and discuss questions in classroom; the learning effect could be improved and laid a firm foundation for the study of disturbance of acid-alkaline balance in subsequent medical course.

Current Status and Outlook of MOOCs in Chemistry on Network Platforms

LEI Ying-Jie, LONG Ye
Chinese Journal of Chemical Education. 2015, 36 (22): 62-66. ;  doi: 10.13884/j.1003-3807hxjy.2015030003
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As the most important MOOCs network platform in the word, Coursera and edX companies, both founded in 2012, have attracted tens of thousands of students. This report introduced some representative chemistry courses of MOOCs, reviewed the teaching contents and teaching ideas of current chemistry MOOCs on the online educational platform of Coursera and edX companies, and discussed the current problems in chemistry MOOCs to provide some ideas on promoting the reform of higher education.

Cultivation of Autonomous Learning Ability of College Students Based on Chemical Information Retrieval

SONG Peng-Fei, WANG Rong-Min
Chinese Journal of Chemical Education. 2015, 36 (22): 67-69. ;  doi: 10.13884/j.1003-3807hxjy.2014110070
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This paper illustrated the practice and experience to develop the students' autonomous learning ability based on the course of chemical information retrieval form three aspects including training students to independently summarize the information retrieval methods, cultivating the students' autonomous learning ability of major courses by information retrieval and improving the scientific research ability from the course of chemical information retrieval.

Investigation on Students' Perception of Chemistry Laboratory Environment

XIN Wan-Xiang, ZHOU Shi-Dong, YAN Peng-Lin
Chinese Journal of Chemical Education. 2015, 36 (22): 70-73. ;  doi: 10.13884/j.1003-3807hxjy.2015040109
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This study investigated the perception of chemistry laboratory environment among junior students of Northeast Normal University using internationally accepted chemistry laboratory environment inventory. There were also some advices on chemistry laboratory construction based on the results of this investigation.

Using Electronic Effects to Explain Orientation Effects

WANG Qiang
Chinese Journal of Chemical Education. 2015, 36 (22): 74-77. ;  doi: 10.13884/j.1003-3807hxjy.2015010149
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This paper made full use of the electronic effects to explain the orientation effects of the electrophilic substitution of a monosubstituted benzene. The electronic effects can not only illustrate the different orientation effects of various substituents, but also explain the different ratios of the ortho and para isomers formed by the same kind of substituents, which is difficult to explain with the commonly used resonance theory.

CAO Yuan-Yu:Important Founder of Research on Chemical History of China

WANG Feng-Yun, PENG Yan-Mei, GU Jia-Shan, ZHANG Di, CHEN Biao
Chinese Journal of Chemical Education. 2015, 36 (22): 78-81. ;  doi: 10.13884/j.1003-3807hxjy.2013100111
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CAO Yuan-Yu,chemical historian, chemical educator, artist and poet, from the study of chemical knowledge in Chinese ancient literature of Collected Taoist Scripture, published the Apparatus, Preparations and Methods of Ancient Chinese Alchemists, created a precedent in the study of Chinese alchemy, published China Chemical Myth, made important contributions to study and education of chemical history in China.

Chinese Journal of Chemical Education. 2015, 36 (22): 82-82.
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