Results 61 to 70 of about 52,960 (211)

Twelve Years Revisited: Translanguaging as Relational Pedagogy for Sustaining Language Learning Motivation

open access: yesInternational Journal of Applied Linguistics, EarlyView.
ABSTRACT This study examines how foreign language teachers’ beliefs about the medium of instruction and translanguaging evolve over time by revisiting three in‐service teachers twelve years after their initial interviews. Using a qualitative longitudinal design, the study traces how translanguaging was initially framed as pedagogically deficient but ...
Danping Wang
wiley   +1 more source

非体外循环下冠状动脉搭桥术体外机器准备的配合体会

open access: yesHuli yanjiu, 2008
摘要: (免费在线浏览)体外循环冠状动脉搭桥术(CABG)是长期以来心脏外科进行心肌再血管化的标准手术,但体外循环可能会带来一些相关的问题,如术后认识功能障碍、脑卒中、凝血功能障碍、全身炎性反应及由此引发的多个器官系统功能障碍等。因此,近年来非体外循环下冠状动脉搭桥术(OPCAB)引起人们的注意,以期减少与体外循环有关的术后合并症。OPCAB同CABG相比,能明显降低术后左心室功能不全的发生率,减少住院时间、输血量,降低医疗费用,降低术后心房颤动及脑卒中的发生率 ...
阅读全文:0
doaj  

The Development and Validation of the Chinese Vocabulary Levels Test

open access: yesInternational Journal of Applied Linguistics, EarlyView.
ABSTRACT In response to the increasing need for effective Chinese vocabulary assessments, this study developed the Chinese Vocabulary Levels Test (CVLT), a test designed for intermediate‐level Chinese as a second or foreign language (CSL/FL) learners, based on the vocabulary lists (levels 4–6) from the Chinese Proficiency Grading Standards for ...
Shiwei Qi, Ailan Fu
wiley   +1 more source

小儿先天性心脏病体外循环术后肌张力增高原因分析与护理对策

open access: yesHuli yanjiu, 2016
摘要: 原因分析小儿先天性心脏病体外循环术后肌张力增高的常见原因有神经系统功能损害和电解质紊乱。体外循环术后出现早期的神经系统并发症常见于长时间体外循环、主动脉阻断、LCOS等情形。
茅爱芳, 赵胜
doaj  

血清外泌体ERG、PSMA在前列腺癌患者中的表达及其预后评估价值

open access: yesZhongguo shiyan zhenduanxue, 2021
目的探讨血清外泌体ETS相关基因(ERG)、前列腺特异性膜抗原(PSMA)在前列腺癌(PCa)患者中的表达及其预后评估价值。方法选取2015年7月-2019年7月期间成都上锦南府医院收治的105例PCa患者为癌症组,100例良性前列腺增生患者为疾病组,同期体检的95例健康者为健康组;比较各组间血清外泌体ERG、PSMA的表达水平;根据危险因素分级将PCa患者分成低、中、高危险级别,比较各组PCa患者血清中ERG以及PSMA的表达水平;所有患者均获得1年随访,根据随访结果将患者分为存活组和死亡组 ...
姜庆
doaj  

The Th cell subsets analysis of syphilis patients and mechanism of Treponema pallidum infection [PDF]

open access: yes, 2016
梅毒是由梅毒螺旋体引起的性传播疾病。梅毒螺旋体可侵入人体各个组织器官,引起各种临床表现。目前机体对梅毒螺旋体的免疫机制尚不清楚。本课题分别从体内和体外实验分析梅毒螺旋体引起的初始Th细胞分化,初步探讨梅毒螺旋体细胞免疫机制。我们分析32例梅毒患者外周血辅助性T细胞(Th)亚群含量变化;通过兔皮内接种模型,分析梅毒螺旋体感染后局部炎症反应中IFN-γ和IL-4mRNA的表达随时间变化情况。体内研究发现梅毒螺旋体感染后细胞免疫应答在人外周血和兔皮损中IFN-γ含量明显升高,Th1型细胞增多 ...
张巧
core  

Comparing the Effects of Collaborative and Independent Writing on EFL Learners’ Individual Writing Performance: An Intervention Study

open access: yesInternational Journal of Applied Linguistics, EarlyView.
ABSTRACT Collaborative writing has attracted increasing attention in English as a Foreign Language (EFL) instruction due to its potential to enhance learners’ writing competence. However, few studies have examined the comparative effects of collaborative versus independent writing on EFL learners’ individual performance, especially in higher‐order ...
Ting Huang, Chenze Wu, Wenkang Zhang
wiley   +1 more source

晶胶配比不同对颅脑术患者围术期动脉血气及血流动力学的影响研究

open access: yesZhongguo shiyan zhenduanxue, 2019
研究显示,行颅脑术治疗的神经外科患者围手术期体液情况通常复杂多变,手术前患者的原有疾病往往会引发脑水肿、颅内压(ICP)上升及水盐代谢紊乱等现象,而合适的围术期液体管理是确保手术患者生命体征平稳的关键环节,也是疾病临床治疗的基础[1,2]。目前临床上乳酸林格氏液和生理盐水是最常用的晶体液,其中乳酸林格氏液的成分接近人体细胞外液,可有效补充并恢复机体细胞外容量[3 ...
周少武, 刘克超
doaj  

Investigation of the in vitro and in vivo protective activity of antibody against rotavirus inner capsid protein VP6 [PDF]

open access: yes, 2015
轮状病毒(Rotavirus)是全球范围内引起婴幼儿腹泻的主要病原体之一,每年导致40-60万死亡病例和超过200万住院病例,造成严重的社会经济负担。安全有效的疫苗是控制轮状病毒的重要手段,目前已经有3种减毒活疫苗上市,并且在欧美等国具有较高的安全性和有效性。但是,这些疫苗在轮状病毒导致死亡率较高的非洲和亚洲地区有效性较低,且会增加患肠套叠的风险,存在一定的安全问题。因此,更加高效、安全的基因工程疫苗的研究已经成为轮状病毒疫苗研究的主要方向。 研究表明 ...
俞林岐
core  

Home - About - Disclaimer - Privacy