Results 121 to 130 of about 59,300 (233)
Shuitu Baochi Xuebao, 2008 对三江平原3种典型湿地(毛苔草湿地、小叶章湿地、岛状林湿地)的土壤酶活性、土壤养分进行了研究,探讨了不同湿地土壤酶与土壤养分及酶活性间的相关性。结果表明:不同湿地土壤酶活性和土壤养分含量有较大差异。土壤蔗糖酶、脲酶、过氧化氢酶、淀粉酶活性与土壤有机质、全氮、碱解氮含量变化趋势一致,表现为毛苔草湿地>小叶章湿地>岛状林湿地。酸性磷酸酶活性表现为岛状林湿地>毛苔草湿地>小叶章湿地;纤维素酶活性则表现为毛苔草湿地>岛状林湿地>小叶章湿地。经分析,土壤酶活性和养分密切相关,且酶活性间存在一定的相关关系,其中脲酶、
万忠梅, 宋长春
doaj
International Journal of Applied Linguistics, EarlyView.ABSTRACT With the increasing number of Chinese international students in Australian universities, intercultural competence has become a critical factor influencing their interactions with Australian tutors in university classroom settings. Existing research often examines students’ intercultural competence from a single‐method or single‐perspective ...
Jiangyu Han, Linda Tsung
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International Journal of Applied Linguistics, EarlyView.ABSTRACT Many existing rubrics for L2 argumentative writing prioritize form‐based linguistic accuracy and complexity while insufficiently addressing substantive argumentative rigor and effectiveness. This limitation is further complicated by cross‐cultural variation in rhetorical conventions and educational practices, which challenge the direct ...
Zihan Xu, Peiyun Liu
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Zhongguo shiyan zhenduanxue, 2017 目的分析长春地区40岁及以上居民肥胖相关衡量指标与胰岛素抵抗的相关性,选择一种简单、有效的预测胰岛素抵抗的指标。方法共纳入长春地区9273名研究对象,记录性别、年龄及一般情况,测量其身高、体重、腰围以及臀围,并根据测量结果计算体质量指数（BMI）、腰围身高比值、腰围臀围比值,并依据现有诊断标准计算肥胖患病率;同时进行空腹血糖、空腹胰岛素水平测定,计算稳态模型评估的胰岛素抵抗指数（HOMA-IR）、定量胰岛素敏感性检测指数（QUICKI）;从而计算肥胖指标与HOMA-IR及QUICKI的相关系数r ...
梁爽 +6 more
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International Journal of Applied Linguistics, EarlyView.ABSTRACT In this study, control–value theory (CVT) was used to investigate how students’ perceptions of the classroom environment shape their anxiety in the context of English as a foreign language (EFL) learning through the mediating effects of control and intrinsic value appraisals.
Quan Qian, Xianhan Huang
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New Phytologist, EarlyView.Network of VAMP714‐dependent interactions during salt stress. Summary Plant responses to salt stress include an altered root architecture mediated by ion imbalances, reactive oxygen species (ROS) accumulation, and altered hormonal responses. Auxin is implicated in these processes.
Jialei Sun +3 more
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Accountability in Government Use of AI: Citizen Concerns and Preferences
Public Administration, EarlyView.ABSTRACT Government adoption of AI opens the “pandora's box” of accountability, a core aspect of public value. Despite the centrality of governmental AI accountability, citizens' concerns and preferences in holding governments accountable for AI usage remain poorly understood.
Naikang Feng, Yanto Chandra
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Public Administration, EarlyView.ABSTRACT As the public sector increasingly adopts AI‐powered automated decision systems (ADS), understanding how citizens experience and value ADS use in public decision‐making is both normatively and practically important. Therefore, we examine and compare the effects of seven attributes of public values on citizens' support for ADS adoption in two ...
Guimin Zheng +4 more
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Zhongguo shiyan zhenduanxue, 2018 目的观察自然绝经后女性亚临床甲状腺功能亢进(SHyper)对骨密度以及骨代谢相关指标的影响。方法纳入绝经后亚临床甲亢女性50例为研究组,健康体检人员50例为对照组。观察两组一般指标,年龄、体重、体质指数;甲状腺功能指标,TSH、FT3、FT4、T3、T4;骨代谢指标,Ca2+、P3+、PTH、β-CTX、P1NP、VD3、N-MID及正位腰椎的骨密度(DXA)情况。结果亚临床甲亢组TSH水平低于对照组 ...
陶德明, 张久丹, 郑杨, 夏虹
doaj
Scientists in power plays: How substantive were scientists' narratives during the COVID‐19 pandemic?
Policy Studies Journal, EarlyView.Abstract Scientists who provide expert advice must engage with policy processes. Little is known about whether and how scientists deal with the political dynamics of policy processes that are inherent to policymaking. We study this question by building on the policy dimension concept within the Narrative Policy Framework.
Jule Ksinsik, Caroline Schlaufer
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