Results 51 to 60 of about 5,834,879 (181)

“It Can't be Translated Into a Conventional English Phrase”: Crafting Academic Identities Through Translingual Writing

open access: yesInternational Journal of Applied Linguistics, EarlyView.
ABSTRACT This qualitative multiple case study explores multilingual postgraduate students’ academic identities through writing at an EMI university in Hong Kong, with a focus on how they gain legitimacy in knowledge‑making with their multilingual repertoires. Grounded in a poststructuralist understanding of identities as fluid and negotiated, the study
Siqi Song, Ken Lau
wiley   +1 more source

一种制备金属-陶瓷复合膜的化学镀方法

open access: yes, 1997
一种制备金属陶瓷复合膜的化学镀方法是利用溶胶胶粒表面的原位修饰方法所得到的修饰了金属活性组分的陶瓷复合膜作为底膜,将该底膜直接加到化学镀镀液中进行化学镀。由于这种底膜上的活性组份粒子可作为化学镀过程中的催化活性中心和金属粒子生长的晶核,从而省去了常规化学镀过程中所必须进行的敏化活化步骤,并且金属沉积速度加快,同时也避免了金属在底膜的非目标表面上的沉积 ...
熊国兴, 李安武, 赵宏宾
core  

Off‐Task Talk to Manage Relationship Work During Student Group Work in Second Language Classrooms

open access: yesInternational Journal of Applied Linguistics, EarlyView.
ABSTRACT This paper presents a conversation analytic study on student relationship work in off‐task talk (OTT) during group work in foreign language classrooms. Often seen as disengagement from tasks, OTT's social and relational functions in student classroom group interaction and formation remain underexplored.
Yanyan Li
wiley   +1 more source

电化学法处理生活污水研究进展

open access: yesGongye shui chuli, 2016
生活污水通常采用生化法进行处理.然而部分地区受地域或条件的限制,存在污水量小、处理要求高、基础设施建设成本高、设备资源浪费严重等问题.相比于生化法,电化学法在处理小流量、高要求的生活污水时逐渐受到人们的重视.综述了电化学法处理生活污水的研究现状,提出目前电化学工艺在生活污水处理过程中存在的问题,最后对电化学工艺在生活污水处理方面的发展和应用进行展望.
钟登杰, 胡芝悦
doaj   +2 more sources

Generative AI as a Learning Companion for Self‐Directed Second Language Learning Among Secondary School Students: A Mixed‐Methods Study

open access: yesInternational Journal of Applied Linguistics, EarlyView.
ABSTRACT Self‐directed Learning (SDL) is an important skill for learners of all ages and phases of life. Generative AI facilitates self‐directed second language (L2) learning by providing interactive, personalised access to online resources. However, existing research on AI‐assisted self‐directed L2 learning focuses on adult learners in higher ...
Qing Ma   +4 more
wiley   +1 more source

化学沉淀法处理含重金属废水的研究进展

open access: yesGongye shui chuli, 2011
化学沉淀法是一种传统的水处理方法,具有技术成熟、投资少、处理成本低、自动化程度高等诸多优点,在国内外已广泛应用。主要介绍了化学沉淀法处理重金属废水的研究进展,阐述了3种化学沉淀法的优缺点、重金属去除率的影响因素及今后的研究方向。
郭燕妮   +5 more
doaj   +2 more sources

AI foundation models in plant biology

open access: yesNew Phytologist, EarlyView.
Foundation models decode genomes, engineer proteins, phenotype crops, and drive AI agents across plant biology. This figure was created in BioRender (BioRender.com/xcmmkel). Summary Rapid technological progress has enabled plant biologists to accumulate unprecedented volumes of multi‐scale, multi‐modal data, yet this abundance of data has intensified ...
Haopeng Yu
wiley   +1 more source

稀土配合物的配位数和配位原子

open access: yes, 1990
<正> 稀土配位化学在整个配位化学中占有突出的地位.S.P.Sinha等曾对截止到1982年的220个稀土配合物作过统计.??等于1984年曾对稀土元素化合物的晶体结构特征进行过综述.本文利用剑桥数据库的资料在中国科学院化工冶金所的Vax机系统上运行,从七万多个配合物的结构数据中检索到686个稀土配合物的结构数据.它包括1935-1988年全部公开发表了的并已收入数据库的数据 ...
徐光宪   +5 more
core  

Designing Integrated Policies for the Twin Transition: Challenges and Tradeoffs

open access: yesPolicy Studies Journal, EarlyView.
ABSTRACT Democratic governance faces the intertwined imperatives of managing the transformative risks and opportunities of digitalization, particularly stemming from artificial intelligence (AI), while achieving environmental sustainability within planetary boundaries.
Martino Maggetti
wiley   +1 more source

离子色谱法测定土壤中可溶盐与水质矿化度

open access: yes四川大学学报. 自然科学版, 1998
用离子色谱法分析测定了土壤中的可溶性盐及水质矿化度.以干涸残渣(重量法)作校对,与经典的化学法相对照.解决了土、水样品中含有NO-3,NH+4时,化学法无法测定的问题.用离子色谱直接测定样品中的Na+与K+,避免了化学分析中用差减法计算Na+与K+含量所引起的系统误差的累加.
匡晓帆, 吴江
doaj  

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