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新蚕药“亚迪蚕丰”农村中试初报 被引量:2
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作者 佘柳涛 陆琴 季晓琴 《中国蚕业》 2010年第1期37-38,共2页
通过对新蚕用抗菌药"亚迪蚕丰"和其它常规蚕用抗生素的添食对比试验,常规预防性添食"亚迪蚕丰"对减少蚕发生细菌病效果较好,防病效果优于盐酸诺氟沙星,与盐酸环丙沙星相当;而且,"亚迪蚕丰"还具有铝塑包装... 通过对新蚕用抗菌药"亚迪蚕丰"和其它常规蚕用抗生素的添食对比试验,常规预防性添食"亚迪蚕丰"对减少蚕发生细菌病效果较好,防病效果优于盐酸诺氟沙星,与盐酸环丙沙星相当;而且,"亚迪蚕丰"还具有铝塑包装,体积小、运输携带方便、有效期长的特点,可以在生产上推广应用。 展开更多
关键词 蚕药 亚迪蚕丰 中试调查
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A Longitudinal Study of the CET Washback on College English Classroom Teaching and Learning in China: Revisiting College English Classes of a University 被引量:3
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作者 YANG Zhiqiang Gu Xiangdong LIU Xiaohua 《Chinese Journal of Applied Linguistics》 2013年第3期304-325,403,共23页
With the aim of investigating the longitudinal washback of the innovated College English Test (CET) on College English (CE) classroom teaching and learning and ascertaining what changes the test innovation has bro... With the aim of investigating the longitudinal washback of the innovated College English Test (CET) on College English (CE) classroom teaching and learning and ascertaining what changes the test innovation has brought to CE in China, this study compares CE classes of a university in 2003 with those in 2009 through classroom observations, supplemented with interviews and questionnaire survey. The results indicate that the CE teaching model remains nearly the same before and after the CET innovation, but obvious changes are observed in terms of semester teaching plans, teaching content and teaching methods. It seems that the CET innovation is one of the main factors contributing to these changes, which, however, may also be attributed to other factors such as The College English Requirement, curriculum design, the use of CET results, teachers' individual differences, and students' English proficiency. 展开更多
关键词 CET washback classroom observation longitudinal study
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