Results 21 to 30 of about 1,240,284 (143)

Using the capabilities approach to achieve people‐centered conservation

open access: yesConservation Biology, EarlyView.
Abstract Top‐down interventions carried out by state and nonstate institutions to conserve biodiversity and improve the lives of forest‐proximate people (FPP) in the Global South tend to reflect economistic understandings of human well‐being. More progressive and people‐centered conservation projects are guided by normative visions of how the world ...
Arthur Rodrigues   +4 more
wiley   +1 more source

Transitioning From L1 Medium of Instruction to L2 English Medium Instruction: The Role of Translanguaging in Contributing to EFL Students’ Language Learning Motivation

open access: yesInternational Journal of Applied Linguistics, EarlyView.
ABSTRACT Research on English‐Medium‐Instruction (EMI) highlights inadequate support for students transitioning from L1‐medium‐instruction to EMI. To date, little research has focused on how L2 students’ adaptation to an EMI environment influences their L2 learning motivation (LLM).
Kevin W. H. Tai
wiley   +1 more source

蒲公英花提取物对红细胞氧化损伤的抑制作用

open access: yesZhongguo shiyan zhenduanxue, 2021
细胞通过有氧代谢使生命活动得以进行和维持,有氧代谢过程中会产生活性氧(ROS)等多种自由基[1]。自由基对细胞来说是一把双刃剑,一方面,自由基是有氧代谢所必备的;另一方面,对机体存在毒性。许多实验已经表明,自由基反应能导致细胞退化、老化、裂解[2]。H2O2是一种ROS,在诱导细胞的损伤、死亡中起关键作用。它能损伤DNA、使酶失活、氧化激素、破坏细胞膜的完整性,甚至杀死细胞等,是多种疾病的起点[3]。
李波, 信瑞, 柳承鑫, 曲丹华
doaj  

Artificial Intelligence for Language Learning: A Systematic Review of its Design, Theoretical Foundations, Implementation, and Impact

open access: yesInternational Journal of Applied Linguistics, EarlyView.
ABSTRACT Although the use of AI technologies (e.g., chatbots and automated writing evaluations (AWE)) has gained considerable attention in language learning fields in recent years, how AI technologies have been designed and implemented in language learning education, as well as their effectiveness, is understudied.
Shen Qiao   +2 more
wiley   +1 more source

Promoting Foreign Language Enjoyment Through Displaying Affiliation in Collaborative Digital Multimodal Composing in Hong Kong ESL Classrooms: Insights From Translanguaging and Transpositioning Perspectives

open access: yesInternational Journal of Applied Linguistics, EarlyView.
ABSTRACT Studies on classroom interactions suggest that displaying affiliation through linguistic and multimodal resources could promote positive emotions like enjoyment, thereby enhancing engagement and enthusiasm in second/foreign language learning.
Karen C. K. Choi, Kevin W. H. Tai
wiley   +1 more source

機械頭超smart 彰師大取得專利 [PDF]

open access: yes, 2015
[[abstract]]仿頭、眼運動功能   聽過機械頭嗎?看過走路還會自動閃避前方障礙物的機械頭嗎?國立彰化師範大學電機工程學系師生共同研發出機械頭,具有模仿人類頭部、眼睛運動等功能,顛覆傳統,已經取得專利權,校方下一步將讓機械頭可以上街開車喔! 機械頭會開車 不是夢   研發計畫由彰師大電機工程學系教授兼主任蕭瑛星指導2名碩士研究生吳慶偉、孫秀貞一起開發。蕭瑛星很有把握地說,機械頭變成運將(駕駛),不會是空談,假以時日一定可以實現。蕭瑛星解釋說,機械頭可以辨識立體影像,認識環境 ...
自由時報電子報記者 張聰秋
core  

Auto-focus technology and its application based on image processing [PDF]

open access: yes, 2009
Auto-focusing technique is an important method to improve the precision,intelligentization,automatization for the indentation diameter measurement.The paper introduces an auto-focus method of indentation diameter measurement based on image processing ...
Chen, Xiaomei, Yang, Tao, Zuo, Yong
core   +3 more sources

English as a Lingua Franca‐Mediated Meaning‐Making and Intercultural Competence in TikTok Live–Based Language Learning

open access: yesInternational Journal of Applied Linguistics, EarlyView.
ABSTRACT As digitally mediated communication increasingly shapes language learning beyond formal classrooms, social media platforms offer new possibilities for authentic, intercultural interaction. This qualitative study investigates how TikTok Live‐mediated interaction supports English as a lingua franca (ELF) use, meaning‐making, and intercultural ...
Wen‐Chi Vivian Wu   +2 more
wiley   +1 more source

黑色素对羟基自由基清除活性的研究

open access: yes四川大学学报. 自然科学版, 2003
利用荧光光度分析法研究了黑色素对羟基自由基的清除活性.羟基自由基由Cu2+催化过氧化氢氧化抗坏血酸的反应产生.研究表明在一定浓度范围内,黑色素清除羟基自由基能力与黑色素的初始浓度呈线性关系,不同来源的黑色素对羟基自由基的清除能力具有明显的不同.黑色素与尿酸、硫脲相比是更强的羟基自由基清除剂.
李晓燕, 刘志洪, 蔡汝秀
doaj  

文冠果壳中总皂苷和总黄酮的抗氧化活性"Antioxidant activity of total saponins and total flavonoids from Xanthoceras sorbifolia Bunge shells"

open access: yesZhongguo youzhi
旨在为文冠果壳资源的综合利用提供参考,通过DPPH自由基、超氧阴离子自由基、羟自由基及脂质过氧自由基清除能力研究文冠果壳总皂苷和总黄酮的抗氧化活性,并分析了抗氧化活性与构效关系。结果表明:文冠果壳总皂苷和总黄酮均具有一定的DPPH自由基、超氧阴离子自由基、羟自由基及脂质过氧自由基清除能力,且文冠果壳总黄酮对4种自由基的清除能力均高于文冠果壳总皂苷;构效关系分析表明,文冠果壳总皂苷和总黄酮抗氧化活性差异与其化学结构有关。综上,从文冠果壳中提取总黄酮,并将其作为天然抗氧化剂进行开发 ...
刘荣徽,魏媛,刘超,赵光鸿,杨洋,刘玉冰,汪甜甜,王珊,史高峰,王国英LIU Ronghui, WEI Yuan, LIU Chao, ZHAO Guanghong, YANG Yang,
doaj   +1 more source

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