Results 31 to 40 of about 378,887 (176)

数据手套的研究现状

open access: yes, 1996
本文就最新的人机交互工具-数据手套在实现原理与应用方面的研究现状进行了综述。文中还就其与虚拟现实的关系进行了讨论。评述认为,基于手套式的测量结构可能影响人手运动姿态的自然特征;人手软组织的存在.也将对其在测量的精度与反演计算的复杂度方面构成影响;此外 ...
张珩, 齐曼
core  

原发性甲状旁腺功能亢进误诊1例分析

open access: yesZhongguo shiyan zhenduanxue, 2017
原发性甲状旁腺功能亢进(Primary20hyperparathyroidism,PHPT)临床表现复杂多样,起病隐匿,进展缓慢,早期症状轻微或缺乏特异性表现,不被医师重视。单纯以口渴、多尿、多饮而血钙正常或轻度增高为首发症状者很少见,现将于我院就诊的PHPT伴高钙危象1例临床资料报告如下。1病例摘要46岁男性,因口渴、多饮、多尿1月余于2014年11月21日入院 ...
罗维芸   +4 more
doaj  

Reconceptualising Motivation as Material‐Semiotic Entanglements: Translanguaging in Graduate TESOL Education

open access: yesInternational Journal of Applied Linguistics, EarlyView.
ABSTRACT Multilingual students in Anglophone universities often operate in survival mode. While translanguaging supports learning, critical gaps remain in understanding how translanguaging pedagogies transform and sustain motivation in English‐dominant contexts.
Melissa Jufenna Slamet, Julie Choi
wiley   +1 more source

微生物菌剂的研究与开发现状

open access: yes, 2004
本文从高效菌种的选育、微生物菌剂的配制 ...
朱永光   +4 more
core  

世界受危鸭类现状

open access: yes野生动物学报, 1996
世界受危鸭类现状鸭类是世界上最重要的狩猎鸟类。每年狩猎量达数千万只。但是近年来它们的栖息环境发生极大变化,适栖地越来越小,加之过度捕猎及人为干扰,它们的数量急剧下降。许多种类已处于受危状态,亟需加以保护。现将全球受危鸭类现状报导如下。1黑嘴树鸭(De...
宋惠东
doaj  

Enacting Everyday Linguistic Citizenship: Language Life and Multi‐Membership Among Young Malaysian Chinese Immigrants in Australia

open access: yesInternational Journal of Applied Linguistics, EarlyView.
ABSTRACT This article examines the language life of young Malaysian Chinese immigrants in Australia and their construction of multi‐membership as reflected in their daily language behaviors. It develops the concept of everyday linguistic citizenship and uses this concept as a theoretical lens to understand how the young adults build, maintain, and ...
Xiaoyi Zhang   +2 more
wiley   +1 more source

引文分析可视化现状

open access: yes, 2010
引文分析与可视化的结合开启了文献计量科学应用的全新角度,让研究人员可以用一种直观的方式来研究科研活动之间的关联,更好地审视科研活动的发展变化。本文在对引文分析基本理论进行阐述的基础上,对引文分析从研究内容的角度进行了分类。同时在对引文分析可视化现状从时间序列和地理空间信息两个角度进行梳理和归纳的基础上 ...
鲁超, 刘清
core  

孤立性甲状腺结节的CT鉴别诊断

open access: yesZhongguo shiyan zhenduanxue, 2010
目的分析孤立性甲状腺结节的CT表现,评价CT扫描在孤立性甲状腺结节良恶性鉴别诊断中的价值。方法与病理结果对照分析75例孤立性甲状腺结节的CT表现特点。结果在结节边缘不清、微小钙化等方面,良恶性结节有显著性差异 ...
蒋元文, 王薇, 周宏伟, 张云亭
doaj  

Facets of Crises: How Problem Indicators and Public Perceptions Affect Policy Change

open access: yesPolicy Studies Journal, EarlyView.
ABSTRACT Crises are widely acknowledged as catalysts for policy change. Yet, our understanding of the policy effects of crises remains limited. Why do only some crises lead to major changes, while significant policy changes also occur during seemingly non‐crisis periods?
Constantin Kaplaner   +6 more
wiley   +1 more source

我国无机陶瓷膜发展现状及展望

open access: yes, 2013
我国无机陶瓷膜发展现状及展
徐恒泳, 王金渠, 曹义鸣
core  

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