Clinical cytogenetics and molecular cytogenetics     

Li M  Pinkel D 《Journal of Zhejiang University. Science. B》2006,7(2):162-163

The short report will be focused on helping our students to understand commonly used conventional and cutting edge cytogenetic techniques and their clinical applications, the advances and drawbacks of each technique, and how to pick the right test（s） for a specific patient in order to achieve a proper diagnosis efficiently and economically.  相似文献   

Research capacity and dissemination among academics in Tanzania: examining knowledge production and the perceived binary of ‘local’ and ‘international’ journals     

Matthew A. M. Thomas 《Compare》2018,48(2):281-298

This article explores two distinct strategies suggested by academics in Tanzania for publishing and disseminating their research amidst immense higher education expansion. It draws on Arjun Appadurai’s notions of ‘strong’ and ‘weak’ internationalisation to analyse the perceived binary between ‘international’ and ‘local’ academic journals and their concomitant differences in status. In an attempt to examine critically how the status quo regarding knowledge production in higher education is maintained and reproduced, the article explores interactions between a Tanzanian academic and an educational researcher from the global North, including the ways in which research collaborations between academics from different contexts and material conditions in their institutions may both advance and inhibit professional development of academics and comparative education research, writ large. The article concludes with a call for comparative education researchers to carefully consider the future of educational research in sub-Saharan Africa and the complexities of continued involvement in knowledge production processes.  相似文献   

Practices influenced by policy? An exploration of newly hired science teachers at sites in South Africa and the United States     

S.L. Navy  J.A. Luft  R. Toerien  P.W. Hewson 《International Journal of Science Education》2018,40(8):919-939

In many parts of the world, newly hired science teachers’ practices are developing in a complex policy environment. However, little is known about how newly hired science teachers’ practices are enacted throughout a cycle of instruction and how these practices can be influenced by macro-, meso-, and micro-policies. Knowing how policies impact practice can result in better policies or better support for certain policies in order to enhance the instruction of newly hired teachers. This comparative study investigated how 12 newly hired science teachers at sites in South Africa (SA) and the United States (US) progressed through an instructional cycle of planning, teaching, and reflection. The qualitative data were analysed through beginning teacher competency frameworks, the cycle of instruction, and institutional theory. Data analysis revealed prevailing areas of practice and connections to levels of policy within the instructional cycle phases. There were some differences between the SA and US teachers and among first-, second-, and third-year teachers. More importantly, this study indicates that newly hired teachers are susceptible to micro-policies and are progressively developing their practice. It also shows the importance of meso-level connectors. It suggests that teacher educators and policy makers must consider how to prepare and support newly hired science teachers to achieve the shared global visions of science teaching.  相似文献   

基于专利角度的创新投入产出绩效比较研究     

朱巍  陈慧慧  张景  段君  谢西璐 《科技管理研究》2018,(5)

本文选取北京、上海、天津、重庆、深圳、青岛、成都、武汉、杭州等9个城市从2008年-2015年的研发投入和专利产出数据,在充分论证相关性的基础上,构建由“每亿元研发经费内部支出产生的发明专利申请数”、“每万人年R D人员折合全时当量产生的发明专利申请量”、“每亿元研发经费内部支出产生的发明专利授权量”、“每万人年R D人员折合全时当量产生的发明专利授权量”四个指标组成的复合指标体系,以从专利的角度全面分析样本城市创新投入的产出绩效,并试图从时间和区域的比较分析中探索样本城市创新投入产出绩效的特点与规律。#$NL关键词：发明专利;R D投入;产出绩效;比较研究#$NL#$NL中图分类号：G306 文献标识码:A  相似文献   

Do increases in national-level preschool enrollment increase student achievement? Evidence from international assessments     

《International Journal of Educational Development》2020

The main purpose of the study is to analyze whether globally observed trends towards preschool expansion have impacted student achievement in primary and secondary school. We use data from multiple study cycles of two international large-scale assessments that have a longitudinal component at the country level—PIRLS and PISA—and combine these data with a country-level measure of preschool enrollment rates as the main explanatory variable. Employing a multilevel regression with fixed effects for countries and years, we find that changes in preschool enrollment are unrelated to changes in average student achievement. Even after controlling for covariates on the individual and country levels, we do not find any support for the policy expectation that expanding preschool enrollment per se leads to better student achievement on country level.  相似文献   

制度环境、产学研合作与企业开放式创新路径研究     

马晓飞  杜中文 《科技管理研究》2023,(4)

为探索我国企业取得高开放式创新绩效的路径,在中美制度环境与产学研合作背景不同的情况下,本文选取了中美两国19家典型企业,运用QCA多值集定性比较分析方法,对比分析中美企业开放式创新的多重路径。研究发现：(1)中美企业获得高开放式创新绩效路径各有两条。(2)其共同点是都具备良好的知识产权保护环境和产学研合作。(3)对中美企业而言,外商直接投资和产学研合作同时缺失会导致企业开放式创新绩效下降。基于此,为我国企业的开放式创新提出相应的建议。  相似文献   

科技强国品牌原产地形象对品牌再购意愿的影响：基于科技创新与建构思维的分析     

孙彧  彭鑫 《科技管理研究》2022,42(9):192-202

基于人们对科技强国具有刻板印象，探究来自非科技强国的品牌如何从科技创新和消费者思维的角度突破“来源国偏见”。采用实证研究法，通过实验证明相比于来源于非科技强国的品牌，来自科技强国的品牌将会让消费者产生更高的再购买意向，而实现科技创新中的技术创新能有效扭转非科技强国对消费者购买行为的负面影响，消费者建构思维也将调节消费者固有的来源国效应。最后根据实证研究结果，从国家层面、行业层面以及消费者层面提出具体的突破路径建议。  相似文献   

高校科技创新绩效的驱动因素与提升路径研究     

许敏  余灵  王慧敏 《科技管理研究》2023,(3):96-103

以中国内地28个省（区、市）高校为研究样本，应用模糊集定性比较分析法，从战略协同和科技资源配置两个维度选取具有代表性的5个变量，探讨影响高校科技创新绩效的驱动因素。研究发现，我国高校科技创新绩效总体偏低且区域异质性较强，人力资源配置是提升高校科技创新绩效的必要条件，财力资源配置是提升高校科技创新绩效的核心条件，提升高校科技创新绩效的路径选择存在地区差异，存在包括资源协同配置型、资源内在配置型和人才主导协同型这3条绩效提升路径，最后提出相应的对策建议。  相似文献