Results 61 to 70 of about 48,524 (191)
International Journal of Applied Linguistics, EarlyView.ABSTRACT In English medium instruction (EMI), students face cognitive and emotional demands in second language (L2) communication, which may hamper their motivation and willingness to communicate (WTC). Adopting a mixed‐methods design, this study explores how growth mindsets affected student motivation (e.g., ideal L2 self and ideal disciplinary self ...
Pengzhan Yang +2 more
wiley +1 more source
Zhongshan Daxue xuebao. Yixue kexue ban, 2001 【目的】研究乙型肝炎病毒宫内传播的危险因素。【方法】对87 例乙肝表面抗原阳性孕妇采集脐血行乙肝标志 物、PCR-HBV-DNA 检测, 孕妇产后1 ～ 4 d 内取静脉血进行乙肝标记物检测。【结果】脐血PCR-HBV-DNA 阳性1 例占1.2% (1/ 86)。母血HBsAb 、HBeAg 、HBeAb 、HBcAb 的宫内感染的危险度(OR)分别为0.697(0.586 ～ 0.786)、50.792(13.082 ～ 197.204)、0.103(0.032 ～ 0.338)、2.261 ...
詹前胜, 谭丽君
doaj
野生动物学报, 2020 性别鉴定对鸟类种群动态、群落结构、栖息地利用以及行为研究都具有重要作用。除了自然选择与性选择，亲缘关系被认为与是否存在性二态有关。白头鹎（Pycnonotus sinensis）与领雀嘴鹎（Spizixos semitorques）隶属于鹎科（Pycnonotidae）不同属，是探讨亲缘关系与性二态差异之间相关性的适宜对象，二者在野外都难以从形态区分性别。本研究以分子为基础，对比同域分布的白头鹎和领雀嘴鹎雌雄个体间在形态上是否存在显著差异。结果表明白头鹎指名亚种在枕部白色斑块面积和尾羽具明显的性二态 ...
曾煜 1 李贺 2 逯金瑶 3 向晨旭 1 李翔 1 付昌健 1 李立 3 邢晓莹 1
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Study on the Gender Differences of College Graduates' Employment Migration [PDF]
, 2016 高校毕业生的就业流动不仅对高端人力资源的初次分配产生影响，而且对整个社会地域经济的发展以及毕业生个体在社会中的身份坐标和空间位置也会产生重要影响。随着高校规模扩张带来大学生就业难问题的凸显以及女性就业歧视问题的纷争，在大众传媒不断建构“女人味”流行文化的影响下，高校毕业生在就业流动中已形成泾渭分明的性别阶层差异现象，成为值得深思和研究的社会问题。通过强化性别平权意识并辅以相应的政策举措，既有利于高端人力资源的合理配置，也有助于社会公平与两性关系的和谐发展。 本研究以“性别”作为贯穿全文的基本线索 ...
郑育琛
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International 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
红细胞参数及计算公式对缺铁性贫血与地中海贫血鉴别诊断效能比较
Zhongguo shiyan zhenduanxue, 2018 目的比较8种红细胞参数及计算公式对缺铁性贫血与地中海贫血鉴别诊断的实际效能。方法用全自动血球仪对本院产检接收的110例缺铁性贫血和211例地中海贫血患者的红细胞参数进行检测,以文献报导的8种红细胞参数及计算公式(依次标记为F1-F8)为鉴别指标,分析它们的灵敏度、特异度、阳性预测值、阴性预测值、约登指数、阳性似然比、阴性似然比、对应的ROC曲线以及曲线下面积(AUC)。结果发现公式F7、F8和F5的鉴别效能明显高于其余5个公式,3个公式的AUC分别为0.978、0.953and 0.925 ...
贺海林 +6 more
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Expression and Significance of gp96 and Immune-related Gene CTLA-4, CD8 in Lung Cancer Tissues [PDF]
, 2010 Background and objective It has been proven that gp96 plays an important role in specific cytotoxic immune response which is involved in anti-tumor effect in the body.
Haiyan ZHENG +4 more
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Basic income trials and the politics of scale: A research agenda
Policy Studies Journal, EarlyView.Abstract The growing popularity of basic income has led to extensive trials of the policy in numerous settings across the world. However, analysis of the politics of basic income, and in particular the political dynamics preceding and resulting from trial programs, lags. In response, we propose a research agenda that uses political scale to investigate
Jurgen De Wispelaere +2 more
wiley +1 more source
Changes on Mitochondrial DNA Content in Non-small Cell Lung Cancer [PDF]
, 2011 Background and objective It has been proven that the mitochondrial DNA (mtDNA) mutations and content change were associated with increasing risk of tumorigenesis. MtDNA content is significantly reduced in most substantive tumors. The aim of this study is
Hongmei WANG, Jigang DAI
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Policy Studies Journal, EarlyView.ABSTRACT We use grid‐group cultural theory (CT) to specify underspecified aspects of the Advocacy Coalition Framework (ACF). Our theoretical synthesis of CT and the ACF provides, first, an exhaustive typology of policy actors and their cultural cognitive biases that entail, guide, and constrain policy core beliefs about problem definitions and ...
Metodi Sotirov, Brendon Swedlow
wiley +1 more source