Results 41 to 50 of about 117,574 (259)
International Journal of Applied Linguistics, EarlyView.ABSTRACT While previous research has established nominal complexity as a key indicator of grammatical complexity, its multi‐dimensional manifestation in constrained varieties remains underexplored. This study investigates the distribution of complex nominal structures in constrained spoken English varieties, specifically English as a Second Language ...
Jiaxin Chen, Yao Yao, Dechao Li
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Zhongshan Daxue xuebao. Yixue kexue ban, 2000 【目的】对Hela 细胞端粒酶进行活性重组并探讨其重组特异性。【方法】以RT-PCR 法从纯化的人端粒酶复合 体中扩增人类端粒酶RNA(hTR)基因片段, 将其克隆至含有SP6 启动子的pGEM3f +质粒中, 构建hTR 的体外转录体系以获 得体外合成的hTR。与端粒酶蛋白组分进行活性重组。四膜虫端粒酶RNA 及16S rRNA 作为重组反应对照组, 以探测其重 组特异性。【结果】经RT-PCR 扩增出450 bp 片段;体外转录重组载体经酶切图谱和PCR 扩增鉴定构建成功;体外转录的 ...
周俊宜, 罗超权
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Beyond Motivation: Modeling the Predictive Role of L2 Pride in Informal Digital Learning of English
International Journal of Applied Linguistics, EarlyView.ABSTRACT This study investigates the role of second language (L2) pride—an understudied affective factor—in shaping learners’ language learning motivation and involvement with informal digital learning of English (IDLE). Drawing on questionnaire data from 1388 Chinese university EFL students, the study employs structural equation modeling to examine ...
Minlin Minny Zou +3 more
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International Journal of Applied Linguistics, EarlyView.ABSTRACT Despite artificial intelligence (AI) emerging as a key driver of innovation and transformation in language education, how to enhance language teachers’ AI literacy and understand their emotional experiences in AI‐mediated teaching remains largely unexplored.
Xiao Xie +3 more
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New Phytologist, EarlyView.Summary The importance of marine angiosperms, or seagrasses, as foundation species for marine coastal ecosystems is in marked contrast to their low species number of only 70 described taxa. Seagrass species tend to have very similar overall morphologies dictated by hydrodynamic forces of the ocean environment.
Xiaomei Zhang +14 more
wiley +1 more source
Zhongshan Daxue xuebao. Yixue kexue ban, 2002 【目的】构建突变型α-L-艾杜糖醛酸酶基因(IDUA)cDNA, 为体外表达、鉴定突变的性质提供物质基础。【方法】 以野生型pcDNA3-IDUA 为基础质粒, 采用双引物法体外定点诱变技术, 引入突变E404X。【结果】突变区域经PCR-SSCP 和 测序证实诱导突变成功。【结论】本研究成功构建了突变型IDU A cDNA, 可用于下游的体外表达;此定点突变技术具有简便、 诱变效率高等优点, 是体外构建突变型基因的一种有效方法。
于洪枫 +3 more
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Studies on the Tissue Culture of the Seminal Vesicle I. Fundamental Experiments [PDF]
, 1960 Influence of male sex hormone, female sex hormone, and adrenocortical hormoneupon the growth of the tissue of the seminal vesicle in vitro were studied by meansof the tissue culture of seminal visicle of guinea-pigs. The results were as follows.1) In the
中野, 順道
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Policy Studies Journal, EarlyView.Abstract Defined by threat, urgency, and uncertainty, crises produce opportunities for government leaders to exploit and create meaning around their policy decisions in such unstable circumstances. In narrating their preferred policy solutions, one of the tools governments can use is relying on evidence‐based information.
Laura Mastroianni, Stefania Profeti
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Zhongshan Daxue xuebao. Yixue kexue ban, 1984 体外循环的安全运行有赖于足够的肝素抗凝,体外循环结束后必须中和体内残存的肝素,才能消除术后因之而出血的机会。肝素用量个体差异性很大,其在体内的代谢将受多种因素影响,而且鱼精蛋白中和肝素用量也因人而异。因此,体外循环中肝素用量的监测是十分必要的,我院自1981年6月至1983年4月先后应用国产硅藻土按Hattersly法作激活凝血时间(ACT)测定,自动ACT测定仪 ...
童萃文
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