In order to let students master how to use fluorescence spectrophotometer, and how to apply fluorescence sensor on food additives quantitative analysis, a research-oriented synthetical experiment has been designed. Based on fluorescence quenching effect of food additive Ponceau 4R on the fluorescence emission intensity of graphene quantum dots(GQDs), and the effect of pH and incubation time on this quenching reaction, relationship curve between concentrations of Ponceau 4R and variety of fluorescence emission intensity of graphene quantum dots was obtained, furthermore the concentration of Ponceau 4R in beverage was analyzed. Reaction mechanism has been introduced into the experiment process, which not only can wide knowledge of students, but also can improve their ability of solving practical problems. This interesting scientific experiment could encourage and waken study interest of students. And this experiment is simple, easy and suitable for undergraduate's synthetical experiment capability training.

Combining with the construction of " Emerging Engineering Education，3E " majors, in view of the talent needs and training characteristics of traditional engineering energy and power engineering majors, there is an urgent need to strengthen the training of applied innovative talents. The energy and power engineering major of Jilin Institute of Chemical Technology has formulated clear talent training goals through years of reforms and explorations in major construction. By strengthening interdisciplinary integration, optimizing the professional curriculum system and other measures, it has improved the cultivation of students' engineering application practical ability. Achieved the goal of talent training.

In recent years, teaching process assessment has gradually attracted the attention of educators with the “student-centered” educational concept gaining popularity. Aiming at the problems existing in the current physical chemistry assessment mode, this paper conducts a practical research on the process assessment of physical chemistry courses, based on the Mosoteach platform. Through careful design of assessment methods and content, a procedural assessment model with students as the main dynamic tracking is constructed, which stimulates students' initiative and enthusiasm for learning, and plays a positive role in improving the quality of physical chemistry teaching.

With the rapid development of network and information technology, the concept of "Internet plus" was proposed. And the age of intelligent teaching was coming, which promotes the construction of wisdom classroom and the reform of teaching mode. In this paper, based on the environment of intelligent teaching in "Internet plus", the teaching strategies and practice of instrument analysis about teaching resources, teaching methods, teaching models, and ideological and political education in curriculum were explored.

Advance Mathematics is an important compulsory course in higher education.  By virtue of many years of teaching experience in this course, we firstly analyze the importance of Advance Mathematics and the disadvantages of the current teaching model, and then propose that the "problem-driven" teaching mode should be introduced into the teaching process of Advance Mathematics. Moreover, we put forward three examples on how to design a case to make the Problem-Driven teaching mode work well in Advance Mathematics.

In the ideological and political theory courses reform of the blended teaching, the course of Introduction to the Mao Zedong Thought and Theoretical System of Socialism with Chinese Characteristics quotes the concept of four quadrants of mathematics and takes the class as the axis at the meantime takes the internet as the vertical in order to divide the teaching scene into ⅠⅡⅢⅣ quadrants. Then build out the four teaching scene.

Aviation maintenance professional course of comprehensive and practical strong, and itself contains a large number of ideological elements, according to the characteristics of curriculum and teaching content, refining quality goal, comb knowledge points, the spirit of patriotism, the spirit of craftsman, aviation and other ideological elements into professional course, innovation teaching methods and examination methods, to achieve good teaching effect.

In view of the problems existing on integrating course-based ideological and political education into teaching Single-chip Principle and Application and related courses, this paper puts forward a design idea. In this design idea, firstly choose appropriate teaching content and ideological and political education material, and then integrate ideological and political education material into the teaching goal and teaching design. By introducing detailed design idea and implementation plans on teaching of “Memory Structure of Single-chip”, it is innovated and has some reference value to Single-chip related on-line and off-line courses on course-based ideological and political education.

By analyzing the characteristics of higher vocational students and the problems existing in the process of internship of higher vocational students, using the concept of mobile teaching, this paper organically combines the ideological and political content, daily management and "superstar learning platform" in the internship and graduation design of Higher Vocational Mechanical Majors, so as to make students more actively participate in this link,and make students' learning more efficient, and also more conducive to the management of teachers.

With the advance of market-oriented reform, higher vocational college students' practical ability is required by society. As the base of professional talent training, colleges and universities need to innovate the talent training mode constantly.As an important link to test students' knowledge application ability and comprehensive innovation ability, practical training teaching plays an important role in college teaching. Through practical training teaching, students' spirit of exploration, innovative thinking and practical ability can be cultivated.In this paper, the application of new media technology in practical training teaching can better give play to the biggest advantages in the field of education, so that boring knowledge can be visualized, more conducive to students' understanding.

Under the background of social and economic transformation, "Double High Plan" puts forward an urgent task for higher vocational education, and at the same time provides a new historic opportunity for modernization and characteristic construction of higher vocational colleges. At present, the important premise for higher vocational colleges to improve the quality of talent training is to innovate the talent training mode, promote the reform of industrial structure, and strengthen the strategy of industrial structure reform and talent structure adjustment. Vocational colleges should improve their teaching level by strengthening the spirit of craftsman and integrating it into higher vocational teaching through school-enterprise cooperation and multi-school linkage.

As college students who are responsible for national rejuvenation, the construction of network morality is related to their overall development. In the face of college students' network moral anomies, such as network addiction, network dishonesty, bad website browsing, network words and deeds wanton and so on, it is necessary not only to be educated and edibed to guide the self-discipline of network behavior, but also to optimize the network content environment and perfect the network laws and regulations, so as to build a harmonious and healthy network home.

With the continuous development of media convergence, patriotism presents new characteristics, such as the realization of a new breakthrough in the space-time nature of education, the increasingly complex educational environment, more abundant educational materials and learning forms, and the strengthening of students' subjectivity. In the face of the new situation, patriotism education in the new era should keep pace with the times, change according to events, advance according to the times, and be new according to the situation. Educators should constantly improve their working ability and level, and enhance the timeliness of patriotism education by enriching educational content, innovating working methods, and perfecting the system and mechanism.

Find out the optimal strategies and methods of the mathematics teaching for the upgraded students through the analysis and research of the current situation in colleges and universities, aiming to promote the integration exams and guidance, improve the passing of postgraduate entrance examination.

The environment plays an important role in the growth and development of young children. It not only affects the physical health of young children, but also affects the development of their thinking ability and emotional expression. This article briefly analyzes the existing problems in the creation of outdoor natural environment in kindergartens today, such as lack of practicality, naturalness, integrity, interest, and children’s participation. In response to these challenges, the corresponding perspectives of children are put forward and set out, the corresponding outdoor natural environment creation strategy based on children's interest needs.

The epidemic of CoviD-19 has caused some troubles to the book procurement of university libraries, and the birth of "cloud library distribution" platform has solved the dilemma of book purchasing faced by university libraries to a certain extent. This paper first briefly expounds the emergence, development status and advantages of the "cloud library distribution " model, then points out the shortcomings of the "cloud library distribution" model in the early stage of development, and finally puts forward the University library's thinking on the "cloud library distribution " procurement practice under the background of epidemic situation.

ased on the Patron Driven Acquisition （PDA） model, this paper briefly introduces the library in domestic and foreign paper books to borrow to buy model, and taking the promotion of " Yun Tai Gou " online platform of Jilin Institute of Chemical Technology as the research object, statistics and analysis the advantages and disadvantages of the online borrowing and purchasing service platform in colleges, and the future of the online borrowing and purchasing service of printed books in the library was discussed.

The network information resources are exploding. When college students get the information resources they need, they are more and more dependent on the network search engine. However, due to the uneven quality of search engines, college students' information literacy and retrieval ability need to be improved, and it is difficult to retrieve the information they need comprehensively and accurately. Therefore, it is very important to study the behavioral characteristics and influencing factors of contemporary college students when searching for the required information resources through the search engine on the Internet, put forward targeted suggestions and strategies, and set appropriate search teaching tasks and contents.

With the progress of science and technology, social innovation, the development of new media platform, people 's way of reading and audio-visual sense also have changed, paper media on journals in local universities have been unable to adapt to the development of the times and audience needs. Promoting the integration of publishing media is the general trend, which brings better opportunities for the innovation and development of local colleges journals. Under the background of media convergence, local colleges journals should conform to the development trend of media convergence and choose the development path in order to achieve media win-win situation. Based on this, this paper analyzes the current situation of media integration of local university journals, and puts forward corresponding optimization strategies for the problems.

Strengthening the exploration and elucidation of Health Qigong culture and analyzing its expression in the educational space of colleges and universities is an important force to realize the continuous succession of Chinese culture and cultural self-confidence. For this reason, starting from the context of "Taoist health preservation", it is believed that "cultural carrying" is the foundation of the reform of health qigong courses in colleges and universities, and "cultural consciousness" is the road to reform. It needs to start from the cultural construction, target design, and structure of the curriculum. Optimization and content integration are four aspects to expand the modernity and growth of its culture.

Using the methods of literature and mathematical statistics, the behavior safety 2-4 model is used to study the behavior causes of 53 public skiing accidents and the model was built. The results are as follows: The reasons of personal behavior includes one-time behaviors and habitual behaviors. Among them, one-time unsafe behaviors which are the most frequent are that the skiers fail to keep a safe distance and the staff of the skiing resort fail to fulfill the duty of safety guarantee. The safety protective net of skiing resort is the most frequent unsafe material state that causes accidents. Failure of skiers to maintain a safe distance is the most common habitual behavior in accidents. The lack of safety management system is mainly manifested in the lack of safety operating procedures for staff in the skiing resort.

Subject migration is a kind of translation method to change the position of the subject in the original text to another position in the target text under the consideration of different dialogue structures between Chinese and English. This paper collects and analyzes the subtitle translation examples of subject migration from the Big Bang Theory, one of the famous American sitcoms, and generates three modes that embody the translation characteristics of different sentence patterns separately including subject appearance, subject disappearance, and subject transference.