大杭州海洋体育旅游圈的构建与发展策略研究     

常冬冬 《济宁师范专科学校学报》2013,(6):74-77,82

浙江省有着丰富的海洋旅游资源和雄厚的经济基础,为海洋体育旅游产业的发展提供了有力保证和支撑．以杭州做为海洋体育旅游圈的核心城市,既有国内外知名的旅游资源,又在政治、经济、文化、交通等方面带动周边内陆和沿海城市旅游产业的发展和旅游目的地知名度的提升．实施海陆联动、政府引导、健全管理、创建品牌、优化结构、加强营销等策略,从而实现构建“一核两翼三区”的大杭州海洋体育旅游圈的布局,能够促进浙江省体育旅游产业的发展,提升浙江省海洋体育休闲旅游的国际竞争力．  相似文献   

课堂学习共同体的有效建构——以高级语言程序设计(VB)课程为例   总被引：3，自引：1，他引：2  

邵洁 《现代教育技术》2009,19(8):120-124

在分析研究学习共同体的内涵和教学实际的基础上,从学习环境、教师学习共同体、教学内容、教学过程、对话协作方式和学习评价等六个方面提出了构建课堂学习共同体的具体策略,经高级语言程序设计(VB)课程两年的教学实践,既保证了在有限课时内开展协作交流促进学生知识内化的可能,又有效地解决了学习程序设计入门难、大班教学中有效教学监管和遏止作业抄袭等问题,使学习者能力得到全面发展。  相似文献   

Fatty acid profiles of muscle from large yellow croaker (Pseudosciaena crocea R.) of different age     

Hong-gang TANG  Li-hong CHEN  Chao-geng XIAO  Tian-xing WU 《Journal of Zhejiang University. Science. B》2009,10(2)

We investigated the fatty acid profiles of muscle from large yellow croaker (Pseudosciaena crocea R.) of different age.One- and two-year-old fish were cultured in floating net cages and sampled randomly for analysis.Moisture,protein,lipid and ash contents were determined by methods of Association of Analytical Chemist (AOAC) International.Fatty acid profile was determined by gas chromatography.Crude protein,fat,moisture and ash contents showed no significant differences between the two age groups.The contents of total polyunsaturated fatty acids and docosahexaenoic acid (DHA) were significantly higher and eicosapentaenoic acid (EPA) content was significantly lower in the two-year-old large yellow croaker than in the one-year-old (P<0.05).No significant differences were observed in the contents of total saturated fatty acids and monounsaturated fatty acids,or the ratio of n-3/n-6 fatty acids among the large yellow croakers of the two age groups.We conclude that large yellow croakers are good food sources of EPA and DHA.  相似文献   

Fatty acid profiles of muscle from large yellow croaker (Pseudosciaena crocea R.) of different age     

Hong-gang Tang  Li-hong Chen  Chao-geng Xiao  Tian-xing Wu 《Journal of Zhejiang University. Science. B》2009,10(2):154-158

We investigated the fatty acid profiles of muscle from large yellow croaker (Pseudosciaena crocea R.) of different age. One- and two-year-old fish were cultured in floating net cages and sampled randomly for analysis. Moisture, protein, lipid and ash contents were determined by methods of Association of Analytical Chemist (AOAC) International. Fatty acid profile was determined by gas chromatography. Crude protein, fat, moisture and ash contents showed no significant differences between the two age groups. The contents of total polyunsaturated fatty acids and docosahexaenoic acid (DHA) were significantly higher and eicosapentaenoic acid (EPA) content was significantly lower in the two-year-old large yellow croaker than in the one-year-old (P<0.05). No significant differences were observed in the contents of total saturated fatty acids and monounsaturated fatty acids, or the ratio of n-3/n-6 fatty acids among the large yellow croakers of the two age groups. We conclude that large yellow croakers are good food sources of EPA and DHA.   相似文献   

外语专业大班教学问题与对策   总被引：1，自引：0，他引：1  

兰月秋 《高教论坛》2004,(5):122-125

由于高校扩招,外语专业大班型教学越来越普遍,带来了一系列的新问题和挑战。针对大班教学存在的问题,我们可以采取以下对策：教师主动学习,转变教学观念;充分利用合作学习教学策略;灵活采用多种教学策略,关注个体差异和需求;使用现代化教学手段;学校也应有相应的激励机制。  相似文献   

A new variant of the Pathfinder algorithm to generate large visual science maps in cubic time     

A. Quirin  O. Cordón  J. Santamaría  B. Vargas-Quesada  F. Moya-Anegón 《Information processing & management》2008

In the last few years, there is an increasing interest to generate visual representations of very large scientific domains. A methodology based on the combined use of ISI–JCR category cocitation and social networks analysis through the use of the Pathfinder algorithm has demonstrated its ability to achieve high quality, schematic visualizations for these kinds of domains. Now, the next step would be to generate these scientograms in an on-line fashion. To do so, there is a need to significantly decrease the run time of the latter pruning technique when working with category cocitation matrices of a large dimension like the ones handled in these large domains (Pathfinder has a time complexity order of O(n⁴), with n being the number of categories in the cocitation matrix, i.e., the number of nodes in the network).  相似文献   

An analysis of Differential Item Functioning on INVALSI tests,designed to explore gender gap in mathematical tasks     

《Studies in Educational Evaluation》2020

This study presents a quantitative approach based on Differential Item Functioning analysis within the Item Response Theory framework, to quantify gender differences in tackling specific mathematical items. We use this approach to explore two crucial topics in mathematics education (misconceptions in decimal numbers, and estimation) by analysing answers given by Italian students to specific mathematical items taken from a sample of 1400 items administered in INVALSI tests since 2008. For each item, we have a sample of 30,000 students per year, statistically representative of the entire Italian student population. The results section presents a didactic interpretation of the statistical evidence and shows how interdisciplinarity between statistics and mathematics education, with a mixed-method approach (Johnson & Onwuegbuzie, 2004), represents a good approach to exploring the gender gap in relation to specific constructs of math education. This approach, common in many disciplines, can also make an interesting contribution to mathematics education research.  相似文献   

A catalyst for teaching critical thinking in a large university class in Taiwan: asynchronous online discussions with the facilitation of teaching assistants     

Ya-Ting C. Yang 《Educational technology research and development : ETR & D》2008,56(3):241-264

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Large eddy simulation of a particle-laden turbulent plane jet     

金晗辉  罗坤  樊建人  岑可法 《浙江大学学报(A卷英文版)》2003,4(2):175-180

Gas-solid two-phase turbulent plane jet is applied to many natural situations and in engineering systems. To predict the particle dispersion in the gas jet is of great importance in industrial applications and in the designing of engineering systems. A large eddy simulation of the two-phase plane jet was conducted to investigate the particle dispersion patterns. The particles with Stokes numbers equal to 0.0028, 0.3, 2.5, 28 (corresponding to particle diameter 1 μm, 10μm, 30μm, 100μm, respectively) inRe=11 300 gas flow were studied. The simulation results of gas phase motion agreed well with previous experimental results. And the simulation results of the solid particles motion showed that particles with different Stokes number have different spatial dispersion; and that particles with intermediate Stokes number have the largest dispersion ratio. Project (No. G19990222) supported by the Special Funds for Major State Basic Research of China  相似文献   

对巨额财产来源不明罪认定和惩处的立法思考     

黄利荣 《延安教育学院学报》2004,18(3):26-28

对巨额财产来源不明罪的研究，是当今司法界和理论界都存在较多争议的问题。本通过对巨额财产来源不明犯罪构成要件的争议、巨额财产来源不明罪的证明责任和对该罪处罚的分析，探讨了巨额财产来源不明罪在立法上的局限之处，就此为该罪名的立法完善提供参考。  相似文献