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QUANQUAN YUAN 한국중국어교육학회 2023 중국어교육과연구 Vol.- No.41
Despite the impact of the COVID-19 epidemic, the popularity of Chinese in the world has "increased rather than decreased", and more and more people around the world are learning Chinese. Due to the increasing demand for Chinese language learning abroad, the Foreign Exchange and Cooperation Center of the Ministry of Education of China has sent many Chinese teachers to teach in many countries around the world. In the three years from 2018 to 2021, the author has been engaged in Chinese teaching in three high schools in the United States. She has discovered the problems she encountered as a Chinese teacher when teaching abroad, summarized some experiences and thoughts, and realized the importance of teachers’ practical knowledge directly affects whether teachers can successfully carry out teaching abroad and the level of teaching efficiency. This article sorts out the foreign language teaching concepts, teaching objectives and teaching methods in the United States, focusing on exploring and trying to answer the following questions: 1. What aspects does the practical knowledge of Chinese teachers include? 2. What practical knowledge affects the teaching ability and effectiveness of Chinese teachers in primary and secondary schools in the United States? 3. How do Chinese teachers in primary and secondary schools in the United States use practical knowledge to improve their teaching abilities? This article identifies the types of practical knowledge that influence teachers' teaching abilities in the United States. They are: specific teaching methods, classroom teaching skills, teachers’ teaching experience, understanding of students, understanding of the environment, teachers’ cross-cultural communication skills, ability to reflect on and improve teaching, teachers’ English proficiency, etc. This practical knowledge plays a guiding role in teachers' teaching. The research results of this article have reference significance for the selection and recruitment of Chinese teachers in American primary and secondary schools, and for American Chinese teachers to improve their teaching abilities. This article will also help to understand the important types of practical knowledge that affect the teaching ability of Chinese primary and secondary school teachers in the United States, and at the same time provide materials for research on the practical knowledge of Chinese teachers outside China.
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Jin-cheng Zhou,Qian-jin Dong,Tong-shu Zhang,Li-jia Duan,Su-fang Ning,Quanquan Liu,Yuan-yuan Li,Chun-xue Li,Hui Dong 한국응용곤충학회 2019 Journal of Asia-Pacific Entomology Vol.22 No.3
The efficacy of Trichogramma against pests basically depends on the dispersal capacity of the wasps. A releaserecapture method was used in this study to evaluate the effect of relative wind speed (RWS) during the nighttime and the daytime on the dispersal capacity of postrelease population of Trichogramma dendrolimi Matsumura. Two repeated measurements were carried out, using sentinel cards with the host eggs and yellow sticky card traps on the third and the sixth day after wasp release. The results showed that: (1) both the number of recaptured wasps and parasitized eggs increased with the RWS in the daytime during the first three days. The number of parasitized eggs also increased with the RWS in the daytime over the latter three days. The distances that encompassed 98% recaptured T. dendrolimi adults (X 98 ) at the first three days was quadratically increased by the RWS of the daytime. (2) The number of wasps recaptured decreased with the distance from the releasing point during the first three days, but it was not influenced by the distance from the releasing point during the latter three days. (3) The average dispersal radius of the wasps during the first three days was shorter than during the latter three days. The present results will be helpful to improve release techniques based on the wind effects at different times.
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