This study explores how overseas exchange opportunities might influence Chinese students ’engagement in L2 learning activities and how far such opportunities may satisfy their motivation to study abroad. The analysis...This study explores how overseas exchange opportunities might influence Chinese students ’engagement in L2 learning activities and how far such opportunities may satisfy their motivation to study abroad. The analysis of the data, collected and filtered from carefully designed questionnaires and interviews, showed that students ’ L2 learning activities and study-abroad motivations underwent changes after their overseas experiences. Regarding the former, the overseas environment was the cause of the change because it provided students with more chances to talk with native speakers and increased the frequency of their using L2 in their daily life. Regarding the latter, the decline of the students ’ major study-abroad motivations was partly because they tended to treat L2 learning as a tool for realizing other goals and partly because the students had got other important motivations. In view of these findings, suggestions were raised to help future students get better prepared for their overseas study or short-term exchange life.展开更多
A model of nitrogen and phosphorus dynamics in mesocosm experiments was established on the basis of a summary and synthesis of the existing models. The established model comprised seven state variables(DIN,PO4-P,DON,D...A model of nitrogen and phosphorus dynamics in mesocosm experiments was established on the basis of a summary and synthesis of the existing models. The established model comprised seven state variables(DIN,PO4-P,DON,DOP,phytoplankton,zooplankton and detritus) and five modules - phytoplankton,zooplankton,dissolved inorganic nutrients,dissolved organic nutrients and detritus. Comparison with the in situ experimental data in Laizhou Bay at the end of August 2002 showed that this model could properly simulate the variations of DIN,PO4-P,and phytoplankton biomass in a mesocosm pelagic ecosystem. It was found that not only the model structure but also the parameters adopted were fit for simulation. The sensitivity of the main state variables to the parameter change was assessed by sensitivity analysis. All these results are useful for studying the control mechanism of biogeochemical cycling of nutrients in Laizhou Bay and other Chinese coastal waters.展开更多
In recent years, with rapid development of Sino-foreign cooperation in higher vocational colleges, it puts forward higher requirements for students＇ English comprehensive ability. According to the characteristics of ...In recent years, with rapid development of Sino-foreign cooperation in higher vocational colleges, it puts forward higher requirements for students＇ English comprehensive ability. According to the characteristics of higher vocational colleges of tourism, as well as the author＇ s own teaching experience, this paper elaborates the characteristics of English teaching in the Sino-foreign cooperative education, and the ways to cultivate and improve cross-cultural communication ability for students in tourism colleges.展开更多
The Ning-Wu(Nanjing-Wuhu) Basin is one of the most important volcanic basins in the Middle-Lower Yangtze River Valley,eastern China.It consists of four volcanic units,i.e.,the Longwangshan,Dawangshan,Gushan,and Niangn...The Ning-Wu(Nanjing-Wuhu) Basin is one of the most important volcanic basins in the Middle-Lower Yangtze River Valley,eastern China.It consists of four volcanic units,i.e.,the Longwangshan,Dawangshan,Gushan,and Niangniangshan Formations.Their LA-ICP MS U-Pb zircon ages are 134.8±1.8,132.2±1.6,129.5±0.8,and 126.8±0.6 Ma,respectively.Results of this study indicate that all volcanic rocks in the Ning-Wu Basin were formed in the Early Cretaceous from 135 to 127 Ma,lasting 8-10 m.y.No Jurassic volcanic activities occurred in any of the volcanic basins of the Middle-Lower Yangtze River Valley,including the Ning-Wu Basin.These new chronological results provide significant evidence for further study of this region to improve our understanding of Mesozoic tectonic,magmatic,and metallogenic processes of eastern China.展开更多
基金supported by a General Research Fund (#4440713) from the Research Grants Council of Hong Kong。
文摘This study explores how overseas exchange opportunities might influence Chinese students ’engagement in L2 learning activities and how far such opportunities may satisfy their motivation to study abroad. The analysis of the data, collected and filtered from carefully designed questionnaires and interviews, showed that students ’ L2 learning activities and study-abroad motivations underwent changes after their overseas experiences. Regarding the former, the overseas environment was the cause of the change because it provided students with more chances to talk with native speakers and increased the frequency of their using L2 in their daily life. Regarding the latter, the decline of the students ’ major study-abroad motivations was partly because they tended to treat L2 learning as a tool for realizing other goals and partly because the students had got other important motivations. In view of these findings, suggestions were raised to help future students get better prepared for their overseas study or short-term exchange life.
基金supported by the the State Ocean Ad-ministration of China ‘908’ Foundation (No. 908-02-02- 03)the State Ocean Administration of China Foundation (No. 200805065)+1 种基金the Scientific Research Launching Foundation for Introduced Talents of Ocean University of Chinathe Scientific and Technical Projects of Shandong Province on Environmental Protection (No. [2006]050)
文摘A model of nitrogen and phosphorus dynamics in mesocosm experiments was established on the basis of a summary and synthesis of the existing models. The established model comprised seven state variables(DIN,PO4-P,DON,DOP,phytoplankton,zooplankton and detritus) and five modules - phytoplankton,zooplankton,dissolved inorganic nutrients,dissolved organic nutrients and detritus. Comparison with the in situ experimental data in Laizhou Bay at the end of August 2002 showed that this model could properly simulate the variations of DIN,PO4-P,and phytoplankton biomass in a mesocosm pelagic ecosystem. It was found that not only the model structure but also the parameters adopted were fit for simulation. The sensitivity of the main state variables to the parameter change was assessed by sensitivity analysis. All these results are useful for studying the control mechanism of biogeochemical cycling of nutrients in Laizhou Bay and other Chinese coastal waters.
文摘In recent years, with rapid development of Sino-foreign cooperation in higher vocational colleges, it puts forward higher requirements for students＇ English comprehensive ability. According to the characteristics of higher vocational colleges of tourism, as well as the author＇ s own teaching experience, this paper elaborates the characteristics of English teaching in the Sino-foreign cooperative education, and the ways to cultivate and improve cross-cultural communication ability for students in tourism colleges.
基金supported by National Natural Science Foundation of China (Grant Nos. 40830426,40803015)Deep Exploration Technology and Experimentation (Grant No. Sinoprube-03-02-05)+2 种基金Anhui Public Geologic Projects (Grant No. 2007-1)New Century Excellent Talents in University (Grant No. NCET-10-0324)Scientific Research Project of Centre of Excellence in Ore Deposits,University of Tasmania (Grant No. CODES2009 P2.N3)
文摘The Ning-Wu(Nanjing-Wuhu) Basin is one of the most important volcanic basins in the Middle-Lower Yangtze River Valley,eastern China.It consists of four volcanic units,i.e.,the Longwangshan,Dawangshan,Gushan,and Niangniangshan Formations.Their LA-ICP MS U-Pb zircon ages are 134.8±1.8,132.2±1.6,129.5±0.8,and 126.8±0.6 Ma,respectively.Results of this study indicate that all volcanic rocks in the Ning-Wu Basin were formed in the Early Cretaceous from 135 to 127 Ma,lasting 8-10 m.y.No Jurassic volcanic activities occurred in any of the volcanic basins of the Middle-Lower Yangtze River Valley,including the Ning-Wu Basin.These new chronological results provide significant evidence for further study of this region to improve our understanding of Mesozoic tectonic,magmatic,and metallogenic processes of eastern China.
