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西方国家教师学习研究动态及其启示

外国教育研究 2005年第8期32卷 1-5页

作者：李志厚华南师范大学教育科学学院广东广州510631

西方国家教师学习研究自2.世纪80年代后发生的变化主要表现在对教师学习的重视与定位,学习目标、内容、方式、研究方法更为具体、细腻,关注课堂实践的有效性以及教师专业发展。从西方国家教师学习研究的趋势看,许多国家着重探讨教师学... 详细信息

西方国家教师学习研究自2.世纪80年代后发生的变化主要表现在对教师学习的重视与定位,学习目标、内容、方式、研究方法更为具体、细腻,关注课堂实践的有效性以及教师专业发展。从西方国家教师学习研究的趋势看,许多国家着重探讨教师学会教学、学会反思和学会为师等基本问题,力求说明教师学习与教师专业成长的关系。

关键词：教师学习教师专业发展专家型理论知识经验型技艺知识校本学习

中小学生课外阅读时间及时间分配与阅读成绩的关系研究

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心理发展与教育 2004年第3期20卷 51-55页

作者：张向阳何先友吕芸广东外语外贸大学政治与公共管理学院广州510420 华南师范大学心理系广州510631 广东珠海市第七中学 519000

采用问卷调查法对107名重点与非重点学校的小学、初中学生课外阅读时间、阅读时间分配进行了调查,并考察了它们与阅读成绩的关系。结果发现:(1)小学生与初中生课外平均每周阅读时间无显著差异,但其时间的分配有差异,小学生主要阅读文学... 详细信息

采用问卷调查法对107名重点与非重点学校的小学、初中学生课外阅读时间、阅读时间分配进行了调查,并考察了它们与阅读成绩的关系。结果发现:(1)小学生与初中生课外平均每周阅读时间无显著差异,但其时间的分配有差异,小学生主要阅读文学类书籍,而初中生除了主要阅读文学类书籍外,增加了阅读娱乐类书籍的时间;(2.整体上看,中小学生课外阅读时间与阅读成绩存在显著相关,其中文学类书籍课外阅读时间与阅读成绩有显著正相关,娱乐类书籍课外阅读时间与重点学校学生的阅读成绩以及男生的阅读成绩有显著的负相关。

关键词：中小学生课外阅读时间时间分配阅读成绩阅读兴趣年级差异

Community structure and species diversity dynamics of a subtropical evergreen broad-leaved forest in china:2.05 to 2.2.

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Plant Diversity 2024年第1期46卷 70-77页

作者： Shi-Guang Wei lin li Kun-Dong Bai Zhi-Feng {2. Jing-Gang Zhou Qin lin Key Laboratory of Ecology of Rare and Endangered Species and Environmental Protection(Guangxi normal university) Ministry of EducationGuilin 541004GuangxiChina school of life&Environmental Sciences Guilin University of Electronic TechnologyGuilin 541004GuangxiChina Guangxi Key Laboratory of Landscape Resources Conservation and Sustainable Utilization in lijiang River Basin Guilin 541004GuangxiChina Key Laboratory of Vegetation Restoration and Management of south china Botanical Garden of Degraded Ecosystems Chinese Academy of SciencesGuangzhou 510650GuangdongChina Center of Plant Ecology Core Botanical GardensChinese Academy of SciencesGuangzhou 510650GuangdongChina

Here,we characterize the temporal and spatial dynamics of forest community structure and species diversity in a subtropical evergreen broad-leaved forest in *** found that community structure in this forest changed over a 15-year ***,renewal and death of common species was large,with the renewal of individuals mainly concentrated within a few populations,especially those of Aidia canthioides and Cryptocarya *** numbers of individual deaths for common species were concentrated in the small and mid-diameter *** spatial distribution of community species diversity fluctuated in each monitoring period,showing a more dispersed diversity after the 15-year study period,and the coefficient of variation on quadrats *** 2.10,the death and renewal of the community and the spatial variation of species diversity were different compared to other survey *** weather may have affected species regeneration and community stability in our subtropical monsoon evergreen broad-leaved *** findings suggest that strengthening the monitoring and management of the forest community will help better understand the long-and short-term causes of dynamic fluctuations of community structure and species diversity,and reveal the factors that drive changes in community structure.

关键词： Community structure Death and renewal dynamics Species diversity dynamics south subtropical forest

AN EFFICIENT MOVING MESH METHOD FOR A MODEL OF TURBULENT FLOW IN CIRCULAR TUBES

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Journal of Computational Mathematics 2009年第Z1期 388-399页

作者： Yin Yang Hunan Key Laboratory for Computation and Simulation in Science and Engineering,school of Mathematics and Computational Science,Xiangtan university,Xiangtan 411105,{2. Yanping Chen school of mathematical Sciences,south china normal university,guangzhou,{2. Yunqing Huang Hunan Key Laboratory for Computation and Simulation in Science and Engineering,school of Mathematics and Computational Science,Xiangtan university,Xiangtan 411105,{2.

This paper presents an efficient moving mesh method to solve a nonlinear singularproblem with an optimal control constrained *** physical problem is governedby a new model of turbulent flow in circular tubes proposed by Luo et *** Prandtl’smixing-length *** algorithm is formed by an outer iterative algorithm for handlingthe optimal control condition and an inner adaptive mesh redistribution algorithm forsolving the singular governing *** discretize the nonlinear problem by using aupwinding approach,and the resulting nonlinear equations are solved by using the Newton-Raphson *** mesh is generated and the grid points are moved by using thearc-length equidistribution *** numerical results demonstrate that proposedalgorithm is effective in capturing the boundary layers associated with the turbulent model.

关键词： Eddy viscosity Turbulent pipe flow Boundary layer Optimal control Moving mesh

Anatomy and ontogeny of unisexual flowers in dioecious Woonyoungia septentrionalis (Dandy) Law (Magnoliaceae)

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Journal of Systematics and Evolution 2009年第4期47卷 263-272页

作者： ~(1,2.lin FU ~1Qing-wen ZENG ~1Jing-Ping liAO ~1Feng-Xia XU~* 1(south china Botanical Garden,Chinese Academy of Sciences,guangzhou 510650,china) 2.Graduate university of Chinese Academy of Sciences,Beijing 100049,china) (Graduate university of Chinese Academy of Sciences Beijing 100049 China)

Woonyoungia septentrionalis(Dandy)Law is a dioecious species with unisexual flowers in Magnoliaceae. The floral morphology and structure of the species are conspicuously different from other species and are important to the study of floral phylogeny in this *** floral anatomy and ontogeny were investigated to evaluate the systematic position of ***,using scanning electron microscopy and light microscopy. All of the floral organs are initiated acropetally and *** carpels are of conduplicated type without the differentiation of stigma and *** degenerated stamens in the female flowers have the same structures as the normal stamens at the earlier developmental stages,but they do not undergo successive development and eventually *** male floral apex was observed to have the remnants of carpels in a few investigated *** the bisexual flower features could be traced both in the male and female flowers in ***,it suggests that the flower sex in Magnoliaceae tends toward *** well as the unisexual flowers,the reduced tepals and carpels and concrescence of carpels conform to the specialized tendency in Magnoliaceae,which confirms the derived position of *** in this *** the initiation pattern of floral parts of *** is very similar to other species in this family,it needs further investigation and especially comparison with species in Kmeria to evaluate the separation of Woonyoungia.

关键词： floral anatomy Magnoliaceae ontogeny Woonyoungia septentrionalis(Dandy)Law.

Research on the Posttraumatic Stress Disorder of the Middle school Students Exposed to the Earthquake

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Research on the Posttraumatic Stress Disorder of the Middle ...

A floral organ moving like a caterpillar for pollinating

2.11年心理学与社会和谐学术会议

作者： Ruiming WANG1,Jie SU1,Yubing WEI1,Lei MO1,Yongheng YOU2.1 south china normal university,{2.,510631,china 2.Sichuan normal university,Chengdu,610091,china

To explore the mental health status of middle school students in the early stage after exposed to the wenchuan Earthquake as well as the correlative factors,2.38 students in wenchuan and Dujiangyan districts were sampled to fill out the Posttraumatic Stress Disorder Checklist（PCL）.Besides,the responses were also studied to investigate the reliability and validity of the Posttraumatic Stress Disorder *** found that the prevalence of PTSD a little higher than normal and female,14-15 year-old,junior three,poor condition of home economics,the loss of houses and other possession,witnessing the tragedy,and those of casualties of family members were risk factors for PTSD.

关键词： PTSD PCL earthquake middle school students

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Journal of Systematics and Evolution 2010年第2期48卷 102-108页

作者： 1,3,4Zhong-Jian liU 1li-Jun CHEN 1,2.3Ke-Wei liU 1li-Qiang li 1wen-Hui RAO 1(The National Orchid Conservation Center of china/The Orchid Conservation & Research Center of Shenzhen,Shenzhen 518114,china) 2.school of life Sciences,university of Science & Technology of china,Hefei 2.002.,china) 3(The Center for Biotechnology and BioMedicine,Graduate school at Shenzhen,Tsinghua university,Shenzhen 518055,china) 4(College of Forestry,south china Agricultural university,guangzhou 510642.china) (The National Orchid Conservation Center of china/The Orchid Conservation & Research Center of Shenzhen Shenzhen 518114 China) (school of life Sciences University of Science & Technology of China Hefei 230027 China) (The Center for Biotechnology and BioMedicine Graduate School at Shenzhen Tsinghua University Shenzhen 518055 China) (College of Forestry South China Agricultural University Guangzhou 510642 China) *Correspondence: Zhong-Jian liU *Correspondence: *?Author for correspondence. E-mail: <liuzj@***>.

A new pollination mechanism is reported of an orchid species,Bulbophyllum penicillium,based on a field observation in {2.east Yunnan of *** species has a sensitive lip,and there is a distance of 2.3 mm between it and column *** the lip is touched by a landing insect,it will move up and down or swing left and right continuously,just like a moving *** suck a lip movement,the pollinator,a very small fruit fly (Drosophila sp.) ca.1 mm in height,will be pressed toward the column apex where anther and stigma are located,and then cross-pollination takes *** unique mode of pollination,depending on the movement of lip rather than insect itself,has never been found before in either Orchidaceae or other families of angiosperms.

关键词： pollination mechanism Bulbophyllum penicillium Drosophila lip movement

Low-temperature preparation of β-phase Si3N4 via ICPECVD

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Low-temperature preparation of β-phase Si3N4 via ICPECVD

世界基础教育发展的主题词——从教育数量、质量、绩效谈起

The 9th Asia-Pacific Conference on Plasma Science and Technology and 2.st Symposium on Plasma Science for Materials

作者： ZHAO wen-feng~(1,2.,CHEN Jun-fang~(1*),li wei~1,ZHANG hongbin~1,MENG ran~1,LAI xiu-qiong~1 (1.{2. of Physics and Telecommunications Engineering,south china normal university,guangzhou,510631,china 2.College of Engineering,south china agricultural university,guangzhou,510642.china)

The SiN nanopowder was prepared by means of ICPECVD by decomposing of SiH and *** ion density in the reaction chamber was diagnosed by a Langmuir *** by FT-IR,TEM and XRD reveals the characteristic of *** results indicate that SiN nanopowder synthesized by ICPECVD is hexagonal cellβ-SiN and the particles is spherical with diameter about 2.nm,the distribution of those particles is symmetrical.

关键词： ICP Si3N4 nanopowder

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外国教育研究 2009年第1期36卷 54-60页

作者：施雨丹华南师范大学教育科学学院广东广州510631

随着当今世界人才及教育的竞争日趋激烈,基础教育的发展越来越受到世界各国政府和教育界人士的重视。虽然各国基础教育改革与发展的背景、原因、动力各有不同,但林林总总的教育改革现象背后,我们能够看到世界各国基础教育改革价值理念... 详细信息

随着当今世界人才及教育的竞争日趋激烈,基础教育的发展越来越受到世界各国政府和教育界人士的重视。虽然各国基础教育改革与发展的背景、原因、动力各有不同,但林林总总的教育改革现象背后,我们能够看到世界各国基础教育改革价值理念的趋同性,即都体现了教育普及、教育质量、教育绩效的时代追求。

关键词：教育普及教育质量教育绩效