Based on the summary of the characteristics and existing problems of the instrumental analysis laboratory, the advantage of implementing virtual simulation technology was expounds. In addition, the outstanding performance of the virtual simulation laboratory teaching in dealing with special situations such as "classes suspended but learning continues" was introduced. Through questionnaires and interactive feedback, the learning situation of the students was evaluated. After pointing out the limitations of virtual simulation experiments, the teaching mode of combining online virtual simulation with offline classroom experiments was proposed, to promote the improvement of the quality of instrumental analysis laboratory teaching.
The English course of "Separation Technology in Pharmaceutical Analysis" is an elective course for undergraduates in the College of Chemistry, Nankai University. In the teaching process, the effective teaching O-AMAS model (Objectives, Activation, Multi-learning, Assessment, Summary) introduced by the effective teaching team of Nankai University is integrated into the teaching of the course. The teaching concept of "learning for application, for promoting learning, and learning and using benefit each other" is well practiced.
The teaching of the modern spectral analysis course focuses on the cultivation of the comprehensive quality and ability of postgraduate students, and constantly explores how to carry out the course construction and teaching reform to achieve the course objectives: (1) We keep pace with the times and constantly update the teaching contents to reflect the scientific and cutting-edge nature of the course. (2) We integrate the ideological and political elements into the course of the modern spectral analysis to help the guidance on moral values of the graduate students. (3) We constantly innovate our teaching methods and explore flipped class, project-based learning, using intelligent teaching tools to manage teaching progress and construct diversified assessment methods.
In order to improve the teaching quality of analytical chemistry course, we carried out a series of reforms in the teaching of this course. Abundant informationized teaching resources have developed as the important support for the achievement of blended learning, which includes MOOC, wisdom teaching courseware by rain classroom, item bank APP and virtual simulation experiments. A new teaching method, namely "progressive OPPOs" has innovatively proposed and a cross-disciplinary collaborative teaching coupling with blended teaching was used for teaching reform as a new education mode in analytical chemistry course.
Adding matrix modifier is a common and efficient method to eliminate chemical interferences in graphite furnace atomic absorption spectrometry (GFAAS). The students' understanding of the choice and mechanism of matrix modifier is only at the textbook level. In the light of this, the multiple teaching modes are adopted to make students' learning activities changed from passive to active. Through literature investigation, group discussion, induction and summary and subsequent student experiments, the matrix modifier for the determination of heavy metal ions in environmental water samples by GFAAS is discussed in depth.
Strengthening the construction of course ideology and politics is very important for college education. It is an inevitable trend and urgent need for the implementation of the fundamental task of establishing morality in college education. This article introduces the overall thinking and practical exploration of curriculum ideological and political development in analytical chemistry. According to the characteristics of analytical chemistry, we select appropriate knowledge points to connect to the relevant content of ideological and political courses during the teaching of analytical chemistry. Through constructing an ideological and political case database, digging out the ideological and political elements in the frontiers of science, and carrying out flexible and diverse full coverage ideological and political teaching, the professional knowledge is effectively integrated with ideological and political education. In such a way, the content of ideological and political education can naturally penetrate into classroom teaching, and further cultivate and deepen students' awareness of home country feelings, cultural self-confidence, scientific spirit, civic awareness, and sound personality.
There are many problems in the process of chemistry laboratory teaching. For example, students have no research experience and time to think and explore, teachers are busy with imparting knowledge and have no time to consider students' personal needs. Analytical chemistry experiment course aims at cultivating innovative talents, by taking ideological and political education as the engine, experimental projects as the driving force, online courses as the support, and teaching platform as the vehicle. The "five methods linkage" teaching design has been implemented and completed, that is, before class preparation, problem speculation, practical exploration, frontier leading, competition-teaching combination. The design effectively activated the students' innovative practice ability, self-learning consciousness, team cooperation consciousness and innovative spirit; it also effectively helped establish the sense of national identity, social responsibility and historical mission, and ensured realization of the goal.
This paper focuses on the topic of course ideology and politics in analytical chemistry teaching, and the research status on this topic has been summarized. The practical exploration has been carried out on the establishment of the educational goal, teaching exploration and the teachers' accomplishment. The ideological and political goal of integrating knowledge and action is expected to be realized by the ways of precise lecture preparation, optimization of classroom interaction and construction of feedback channels.
Aptamers are a class of oligonucleotide sequences which have been widely used in molecular medicine and other fields due to their excellent affinity and selectivity to targets. As an important frontier technology and application, the research of aptamers will have an important impact on the cultivation of high-quality talents. Introducing frontier technologies and applications about aptamers in teaching is of great help to meet the needs of the country and society, cultivate students' sense of social responsibility, and heighten their spirituality. Thus frontier technologies and applications about aptamers are necessary for analytical chemistry teaching reform. In this paper, how frontier technologies and applications about aptamers influence ideological education of analytical chemistry teaching are briefly discussed.
Innovation of experimental teaching mode is an important way to solve the current predicament of experimental teaching for science and engineering in universities. The difficulties in the teaching of analytical chemistry experiments were summarized in this paper. A new experimental teaching method was established relying on the basic, design and researching experiments as teaching contents, the micro-video as online preview before class, the discussion-based course of flipped classroom in class, and the combination of software for processing experimental results. This diversified teaching mode can effectively improve students' initiative and creativity. In addition, taking the basic and researching experiments as the examples, the application of the diversified teaching mode was performed, which will provide research basis for the reform of science and engineering experiment teaching.
Analytical chemistry (I) is one of the core courses in chemistry major. We have performed the practical exploration, in which the scientific research achievements are integrated into the teaching contents and the latter are used to activate the research inspiration, in order to improve the teaching quality, enhance the students' interest in learning, and realize the mutual promotion between teaching and scientific research. The actual results are satisfactory.
Large-scale instrumental analysis experiment has a unique position and attributes. The experimental procedure is closer to the actual analysis work, cultivating students' comprehensive ability of instrumental analysis. However, traditional approach can not realize the experiment teaching of large-scale instrumental analysis. Although the virtual simulation technology has solved some problems, it also causes the deviation between the virtual platform and the actual instrument. Taking the transmission electron microscope experiment as an example, this paper discusses how to effectively connect the virtual simulation technology with the teaching of actual instrument, and cultivate the students' comprehensive ability through the combination of virtual and actual teaching mode.
Analytical chemistry (the part of quantitative chemical analysis) is an important course in many universities. The traditional system of the course can be characterized by "calculation through memorization" and "simplification through approximation". A large number of formulae not only result in heavy burden of memorization, but also tear the uniformity of the theory of chemical equilibrium. In order to solve such problems, a new formula-free system is designed. The new system features low demand on memorization and high level of uniformity, and makes accurate calculations possible. The details of the new system are presented in five aspects including background, characteristics, resources, examination and practices.
From the perspective of cultivating innovative talents in the new era, this paper expounds the necessity of reforming the teaching method of basic analytical chemistry experiment. In view of the basic analytical chemistry experiment in college, this paper puts forward the concrete rectification scheme from pre-class preparation, classroom teaching, experimental guidance, after-class discussion and summary to the method of experimental examination at the end of the semester. Compared with the traditional experimental teaching method, the implementation of the new method effectively improves the students' initiative in learning, and cultivates the students' solid experimental skills and innovative ability.
Analytical chemistry is an important basic chemistry course with quantity as the core. In the process of undergraduate talent cultivation of analytical chemistry in Sun Yat-sen University, the "quantity" is taken as the core to carry out the practice of "science and education integration" through multiple scientific research training and curriculum teaching. It enables students to gain a panoramic view of analytical chemistry and cultivate their innovation and creativity.
Analytical chemistry teaching team in Northeastern University constantly improves and explores new educational and teaching patterns. In the teaching of analytical chemistry theory course, the online and offline mixed teaching and bilingual teaching were implemented, and the ideological and political elements were integrated with contents of analytical chemistry. Analytical chemistry laboratory teaching is carried out using the MOOC platform and virtual simulation teaching project. On the basis of enhancing students' professional knowledge and training ability, students are trained to establish a rigorous and practical scientific attitude, and their patriotic feeling is enhanced.
An analytical chemistry textbook is an important carrier for undergraduates to study analytical chemistry, stimulate innovation enthusiasm, cultivate innovative thinking and enhance innovation ability. Therefore, compiling of analytical chemistry textbooks that meet these requirements has become an important issue for analytical chemistry educators to think deeply and work on. In view of this, this paper introduced the authors' thinking and practice in the process of compiling an analytical chemistry textbook and the characteristics of the textbook. The authors hope to offer a good starting point for the analytical chemistry teaching peers.
The teaching quality of quantitative analytical chemistry laboratory course is not only related to students' understanding of analytical chemistry, but also has a profound impact on their basic laboratory skill training. In this paper, from the perspective of a teaching assistant who is both a student and a teacher, we focus on several factors that affect the teaching quality of quantitative analysis chemistry laboratory course, and try to find a plan to improve the teaching quality, so as to provide reference for quantitative analytical chemistry laboratory course teaching.
In order to improve the teaching quality and subjective initiative of the students, we carried out the competitive discussion teaching in instrumental analysis course under the situation of large-scale class even with multi-class teaching. The initial results show that the proposed teaching model can improve the students' initiative in course learning. It is also beneficial to promoting the all-round abilities of the students.
Analytical chemistry laboratory is one of the basic courses for many majors in the universities. Since it starts in junior years, how to integrate ideological and political education elements into analytical chemistry laboratory has a great influence on building up the correct outlook on the world, life, values for the students, and it also has significant impact on cooperation education using the professional course and ideological and political course in the same direction. Using the complexometric titration experiment as an example, this paper introduces the excavation of ideological and political elements in Applied Chemistry major of Central South University, and constructs corresponding teaching cases, reflecting the teaching objectives and ideological and political education objectives of the course design.
Under the concept of blended learning, how to optimize the teaching design of analytical chemistry course and improve the effectiveness of teaching has become a subject that needs to be solved urgently. According to the characteristics of blended teaching, we take efforts to integrate high-quality digital curriculum resources, reconstruct teaching content, adopt diversified assessment indicators, and gradually enhance the connotation of curriculum. By focusing on students as the main body, interactive learning-oriented, emphasizing the construction process of knowledge, the implementations can enhance students' independent learning ability and comprehensive literacy, and ultimately achieve the teaching purpose of cultivating innovative talents.
For the cultivation of top innovative talents at Dalian University of Technology in recent years, this paper elaborates the reflections and detailed procedures taken in reform of analytical chemistry course by reorganization of course contents, realization of student-oriented and question-oriented instructional design for the students to experience active leaning through Do-in-Learning and Learn-by-Doing.
Taking the School of Chemistry and Chemical Engineering, Liaoning Normal University as an example, under the background of the new era, thought was excavated to improve students' political accomplishment. Through the attention of experimental teaching content, students' sense of social responsibility was cultivated. At the same time, based on experimental teaching, students' rigorous and realistic scientific attitude were developed in the college. In addition, the stories of scientists were introduced into teaching for students to learn. Meanwhile, the research and design experiments were valued by teachers to strengthen students' innovative spirit and team consciousness. A preliminary exploration on the ideological and political education in physical chemistry experiments teaching was made in this paper, which would be a reference for the implementation of ideological and political education reform in University experiment teaching.
In order to meet the training objectives of applied universities, the practice of literature reading is introduced in the teaching of analytical chemistry. This paper explores the selection of literature content, teaching methods and grading methods, which can help students understand the application of the principles of various analysis methods in practical production and scientific research, promote the effective integration of students' theoretical knowledge and practical ability, and improve students' comprehensive ability.
The curriculum system of principles of chemical engineering includes three segments: principles of chemical engineering, laboratory of principles of chemical engineering and curriculum design of principles of chemical engineering. This course is of great significance to guide students to establish cultivate scientific engineering thinking methods and engineering consciousness. It is also very important for improving students' engineering practice skills and engineering quality, the two essential abilities for engineering technicians. Starting from the above three segments, this paper discusses the methods of curriculum reform for three courses under the background of engineering education certification and new engineering construction, so as to fundamentally improve the teaching quality of chemical engineering principle curriculum system and train qualified engineering students who can really solve the practical problems of Engineering.
Since the outbreak of COVID-19 at the beginning of 2020, students are unable to come back to study on campus. Under this situation, College of Chemistry at Jilin University organizes the online teaching of polymer chemistry for students with chemistry major (non-polymer major), followed by the offline teaching plus the construction of course ideology and politics in polymer chemistry. According to the basic knowledge and characteristics of students with chemistry major, teachers pay more attentions on developing their interests in polymer instead of just telling them to remember the knowledge, realizing the combination between ideological and political education and knowledge system education. By taking the advantages of online teaching, offline teaching and ideological and political education, the teaching quality is improved and the teaching task is completed successfully.
Course teaching not only imparts theoretical knowledge, but also trains students to apply theoretical knowledge to practice. Based on this, we study organic chemistry teaching of agronomy education major in agricultural and forestry universities, put forward integration pattern of classroom teaching and laboratory teaching, and design teaching content and teaching process. The students' active thinking, the ability to analyze and solve problems, the ability to work with people and to query data are fully mobilized through practice. Finally, course teaching effect is appraised through questionnaire survey and pupil performances.
This paper uses "the structure and properties of alkali metal elements as well as their applications in lithium-ion battery" to illustrate the concrete methods in the classroom teaching of elementary chemistry. It is aimed at guiding the students to understand the structure and properties of alkali metal elements and arising their interest in applications of alkali metal elements in lithium-ion battery in the classroom land discussion. The relationships among the structure, chemical performance and applications in lithium-ion battery for alkali metal elements have been discussed in detail. Furthermore, a series of experiments including synthesis and characterization of electrode materials, and fabrication and measurement of devices, will be executed. Finally, the students have also been encouraged to execute "Students Research Training Program, SRTP" in new energy materials related institutes, and in this way the classroom knowledge and scientific research have been linked closely.
The "Senior High School Students Elite Program" is a training program developed by the State to train top-notch talents for scientific and technological innovation. The "elite plan" summer camp is a key part for experience and practice. Taking the summer camp of the 2019 Elite Program as an example, this paper introduces the specific practice direction and some thoughts on the training of top-notch talents for middle school students, hoping to explore with the colleagues.
This paper conducted a questionnaire survey to record the statistics and analyze the status quo of National Examination for Teacher Certificate among pre-service chemistry teachers in X Normal University. The results revealed a relatively low examination pass rate, insufficient knowledge depth among the pre-service teachers, and a highly uniform method of exam preparation. Moreover, the analysis also showed that the course completion was not in harmony with the tested content, the teaching content as well as methods require further revision, and the practical teaching training conducted was below par. Subsequently, regression analysis was conducted with respect to the level of attention put by the university teachers, the curriculum arrangement, the teaching content and methods, as well as practical teaching training, based on which result the targeted countermeasures were proposed. This study was aimed at guiding the pre-service chemistry teachers to actively face the national examination as well as improve their qualities as teachers-to-be.