The corrosion inhibitor and anti-corrosion coating can form dense film on the surface of metal under some specific environments to achieve the purpose of protecting metal. Since such chemical corrosion inhibitors and coatings have the advantages of low cost, strong operability, good corrosion inhibition effect, and long durability, they have become one of the most important anti-corrosion strategies in ocean engineering. This paper will introduce the structure of chemical corrosion inhibitor and anti-corrosion coatings in the applications of oil wells, wind turbine, aircraft carrier and submarine where are prone to corrosion, as well highlight its importance.

Matrix assisted laser desorption/ionization time of flight mass spectrometry (MALDI-TOF MS) is a new type of soft ionization biological mass spectrometry. It has the advantages of fast detection, simple operation and accurate results. It has currently become a reliable rapid identification technology of microorganisms. In terms of workflow, MALDI-TOF MS can reduce the time for microbial identification to one day or less than conventional biochemical methods. MALDI-TOF MS also has good accuracy in the identification of antibiotic resistant microorganisms. MALDI-TOF MS also plays a role in virus identification, and it has been reported that MALDI-TOF MS and machine learning (ML) analysis methods have been used to detect SARS-CoV-2 in nasal swabs. In addition, MALDI-TOF MS can also be used to identify bacteria without spectral library. At present, MALDI-TOF MS is being combined with other techniques, such as Fourier transform infrared spectroscopy (FTIR), to further expand the scope of microbial identification.

This paper summarizes the main research progress of synthesis methods of H₂O₂ in recent years, and focuses on the new methods developed to synthesize H₂O₂ under more mild reaction conditions, including their basic principles, advantages, and limitations. It is recommended that this part of the content be updated and supplemented in the teaching materials of basic inorganic chemistry, which can not only enrich the teaching content of element chemistry, broaden the cognitive scope of undergraduates, and enhance their environmental awareness, but also play a role in stimulating the scientific exploration of students and improving their innovative thinking and ability.

Based on the OBE concept, the teaching and research group has determined the teaching concept of “student-centered, focusing on the cultivation of ability and quality, and integrating teaching”. According to the content and characteristics of the course, taking the “golden course” as the standard and relying on the “superstar learning link” online platform, explore and practicehave been carried out from the aspects of online and offline teaching distribution, diversified interactive classroom design and implementation, assessment and evaluation and continuous improvement. It aims to cultivate students' autonomous learning ability, improve students' ability to analyze and solve production practice problems, and establish students' sense of teamwork, so as to transform the cultivation of knowledge talents into the cultivation of three in one talents of knowledge, ability and quality.

Based on the scientific understanding of “high order, innovation and challenge” in university teaching, the purpose of this paper is to take “higher-order” as the key breakthrough direction in the reform of teaching chemical bond content. The teaching reform should make a breakthrough in four aspects: the connotation of the high order, the restructuring of the content, the intensification of subject integration, and the full play of educational function. It is desirable to achieve the goal of improving and developing students' scientific literacy by practicing the new design and research methods. This teaching method can highlight the training of innovative thinking and scientific research methods, stimulate students' learning enthusiasm and initiative. This is helpful to realize the teaching goal of “knowledge-ability-accomplishment”, which in turn can effectively improve the quality of classroom teaching.

Organic synthesis is taught either as an independent part of organic programs or as an important topic of that course. If teachers give little self-conscious guidance during the organic synthesis teaching process, students will be stuck in surface learning, which leads to poor teaching results. Here we give our perspectives on deep learning teaching design focusing on the four elements: (a) deep learning objectives, (b) challenging learning themes, (c) deep learning activities, and (d) continuous evaluation. What's more, typical teaching fragments were given as examples based on the characteristics and the teaching status of organic chemistry course in order to provide applicable references for future relevant teaching work.

In order to cultivate innovative talents in the new era, the teaching mode of “three integrations, two reflections, and four advancements” that we have constructed has effectively improved the students' ability to innovate in science and technology. Based on the characteristics of organic chemistry, creating a scientific discovery context, and continuously stimulating students through the “three integration” strategies of core knowledge point network integration (challenge), theory and practice cross integration (high-level), and chemical ideological and political integration (curriculum ideological and political); through the “two reflections” process of teacher reflection and student reflection, it cancontinuously optimize the teaching process and improve the teaching effect; finally, students with different levels of knowledge will gradually improve the ability of science and technology innovation (innovative) through the “four steps” teaching strategy.

This article combines the characteristics of the subject of structural chemistry and students' understanding of the subject, and explores the use of mind map methods to assist the teaching process of structural chemistry. Applying mind maps to the teaching of structural chemistry helps students form a logically rigorous and organically unified knowledge structure system of quantum theory, and the application of mind mapp in the learning process can be analyzed through systematic questionnaires.

In response to the problems existing in traditional chemistry English class, this paper elaborates on the application of mind map in chemistry English teaching through professional vocabulary, which is helpful for students to discover the internal connections between knowledge, deepen students' understanding of declarative knowledge, and improve teacher-student interaction and classroom efficiency.

Combining the experience of the construction of the first batch of national virtual simulation first-class courses, this paper systematically illustrated how to realize the transformation of cutting-edge scientific and technological achievements into virtual simulation experiment contents by implementing eight links, such as curriculum name, experimental purpose, interactive operation, curriculum ideological and political, assessment and evaluation, teaching practice, application promotion and continuous improvement. This articleaims to provide front-line teachers with a modeto draw on for the transformation of scientific research achievements into virtual simulation experiment teaching.

Safety education is an important part of chemical experiment teaching. In view of the hidden danger of physical chemistry experiment in our college, the safety education for students in the form of experimental safety notice was put forward. The possible safety hazards and emergency measures in the experiment are informed through the form of network video, operation guide, known card, and notice sheet, which can improve the safety awareness of students and accident response ability, strengthen the ability of safe operation of students, and the safe and orderly conduct of the experiment can be ensured.

Based on the background of the construction of “course ideological and political education” in university basic organic chemistry laboratory, this paper discusses the educational goal of course ideological and political education, the integration of course ideological and political education into experimental teaching, the construction strategy of course ideological and political education, and the exploration of course ideological and political education and assessment methods. Combined with the experimental teaching process, the teaching design and practice of course ideological and political education in the teaching of basic organic chemistry laboratory were discussed.

Based on the guiding ideologies of educational modernization, developing “Internet+Education”, cultivating innovative talents, an independent type of experimental teaching mode was designed for training high order thinking. It combined the advantages of the internet platform “Chaoxing Xuexitong” with the experiment class. The teaching mode includes four stages of “preview and self-test, teaching and discussion, independent practice, and summary and rethink”, which was applied in the teaching of analytical chemistry experiment for the major of chemistry and chemical engineering. The teaching mode can increase the time of self-learning, train the high order thinking of analysis, comprehension, evaluation and innovation, and can improve teaching efficiency. So it can be taken as a reference for the reform of experiment teaching.

Determination of change in molar enthalpy is a typical experiment in general chemistry experimental courses. Error cause analysis of experimental data is an important task in this experiment. The text contents in 724 experimental reports are reviewed and classified according to error sources and error property. It is found students' logic in error analysis was intensively affected by experimental textbook or teaching. Based on these reflections, it is suggested to improve students' sense of evidential reasoning for better performance on error analysis.

Curriculum and teaching are the basis of normal professional accreditation. Aiming at the problems existing in the course, the course and teaching reform of chemistry pedagogy is carried out according to the standard requirements of normal professional accreditation. The course objectives and contents are designed in the light of outcome-based education; The contents are dynamically updated through “U-S bidirectional construction mechanism”; Case-based teaching mode coordinated by online and offline teaching is applied to highlight the principle of student-centered, and “teaching, learning and evaluation” are integrated to improve teaching strategy. The results show that students have high degree of initiative and participation in learning, and high degree of achievement of curriculum objectives.

Through exploration and practice, the practitioners established a three-dimension system of combining ideological and political education, making it possible for ideological and political education to stay dynamic not only in class but also before class and after class. In this study, the researchers explored the ideological and political elements of organic chemistry, built the case bank of ideological and political education, implemented surveys on the effects of teaching, tracked students' development, and deepened reflection and summary. By means of the above, this study strived to bring into play the positive effects of integrating ideological and political education into organic chemistry courses, to achieve the goal of educating people through the teaching and learning of organic chemistry courses, and thus to contribute to the cultivation of outstanding teachers for the future.

By digging deep into the cultivating elements of the “chemistry of life” course in higher vocational college, carefully designing teaching contents, and applying a variety of teaching methods of classroom debates of theoretical knowledge teaching, interesting experimental designing and displaying, extracurricular discovering activities of practice in and out of class, the whole process of cultivating students is realized. It demonstrated the effectiveness of public elective course in the cultivating students.

In the teaching method of problem-based learning mode assisted with micro-course, problem acts as driving force for self-directed learning while micro-course as tool. This article, taking inorganic chemistry with less class hours for non-chemical major for example, discusses the disadvantages, practicability, implementation strategy and attention points in inorganic chemistry teaching of this teaching method. Results indicated that students' enthusiasm in learning was aroused with the help of this teaching method, and most students made the most of their spare time due to the flexibility of micro-course. Besides, the abilities of analyzing and solving problem of students, and the flexibility and creativity of students' thinking were developed and cultivated.

The innovative design experiment was obtained by combining the response surface methodology with the research on the extraction of Chinese herbal volatile oil and after investigating its antioxidant activity. Then, this innovative design experiment is set up for the specialty of traditional Chinese medicine. By discussing the process conditions such as the solid-liquid ratio, soaking time, and extraction time, the students can master the theoretical knowledge of extraction in analytical chemistry and inorganic chemistry. Through response surface analysis of different process conditions, the students can master the principle and operation steps of the response surface optimization method. Through the study of the antioxidant properties of volatile oil,the students can make clear the use of ultraviolet spectrophotometer in instrumental analysis. To sum up, the implementation of this innovative design experiment not only improves students' mastery of basic experimental skills but also improves students' innovative ability and comprehensive scientific research ability.

The shorter bridges of polycyclic cage skeleton organic compounds are wiped away step by step in the ChemDraw,a graphics software, using its “eraser” and the polycyclic cage skeleton is converted to bicyclo-system, thus the main ring and main bridge heads of this compound are determined. Thereafter the main ring and main bridge heads are labeled in the structure, the name of this complicated structure organic compound is obtained after numbering and naming this compound according to the numbering and naming of the polycyclic compounds rules.

Talent training is the core mission and essential requirement of high education. The state puts forward new requirements for talent training in colleges and universities through the “double first-class” construction project. In response to this, the College of Chemistry and Materials, Northwestern University, conducts constantly innovation on the cultivation of undergraduate students with focuses on “whom to be cultivated” and “how to cultivate”. Four synergetic measures have been set up to, including constructing a scientific research and training system by introducing tutors for the undergraduate students, building up internationally cooperative program to expand the academic vision, setting up performance evaluation system to motivate teachers devoting to teaching, and creating a practical education system to improve the innovative consciousness among students. The practice has shown fruitful results in the innovative development of talent training in high education.

In 1789, Prussian analytical chemist Martin Heinrich Klaproth discovered that Jargon contained a new type of earth and named it zirconia. The hypothesis of zirconium element was formally formed. Subsequently, the determination of the atomic weight of zirconium and the determination of the position of zirconium in the element table promoted the development of the zirconium hypothesis. In 1914, D. Lely, Jr and L. Hamburger obtained the metal zirconium with higher purity, the zirconium hypothesis was confirmed and the concept of zirconium element was formally formed. From 1924 till 2020, the discovery of zirconium isotopes led to the formation of the modern concept of zirconium element, which led to a new understanding of the zirconium element. The formation and development of the concept of zirconium is not only the discovery history of elements, but also the evolution history of chemical ideas and methods.