Results 161 to 170 of about 59,346 (213)

[Application of salivary micro-ecosystem in early prevention and control of oral and systemic diseases]. [PDF]

open access: yesBeijing Da Xue Xue Bao Yi Xue Ban
Sun X, Yuan C, Zhou X, Diao J, Zheng S.
europepmc   +1 more source

Attainment Pairing Effects on Cognitive Conflict in Technology‐enhanced EFL Cooperative Tasks

open access: yesInternational Journal of Applied Linguistics, Volume 36, Issue 2, Page 1594-1605, May 2026.
ABSTRACT This study examines how attainment pairing (high‐high versus high‐low versus low‐low attainment) impacts English as a Foreign Language (EFL) learner engagement during technology‐enhanced cooperative writing tasks. Seventy‐eight Chinese university learners formed 39 dyads (13 pairs per group) via Tencent Meeting.
Ying Liu, Allen Thurston
wiley   +1 more source

《黄河流域水生态专题》卷首语

open access: yes中国科学数据
李 学军
doaj   +1 more source

[Ecological momentary assessment among non<b>-</b>suicidal self<b>-</b>injury behavior in adolescents and young adults]. [PDF]

open access: yesZhong Nan Da Xue Xue Bao Yi Xue Ban
Su X   +9 more
europepmc   +1 more source

渭北黄土高原不同类型人工林的生态效益评价

open access: yesShuitu Baochi Xuebao
[目的] 构建适应渭北黄土高原人工林资源与生态服务功能特点的人工林生态效益评价方法,阐明不同类型人工林建设对该地区东部、中部、西部生态环境的影响,为准确量化与科学评估不同类型、不同区域人工林的生态服务功能,优化林分结构、制定人工林生态补偿强度标准及准确计量评估人工林碳汇,将"绿色颜值"转化为"生态价值"提供理论依据。[方法] 在构建渭北黄土高原生态林、生态经济林、经济林有效面积计算模型的基础上,采用典型区域调查、测定与森林二类调查资料和计量参数等收集相结合的方法,计算分析了3种不同类型,东部、中部 ...
杨凯博   +3 more
doaj  

Probiotics in reducing obesity by reconfiguring the gut microbiota. [PDF]

open access: yesZhong Nan Da Xue Xue Bao Yi Xue Ban
Zhang Y, Wang W.
europepmc   +1 more source

基于RSEI与电路理论的鄱阳湖生态经济区生态安全格局构建

open access: yesShuitu Baochi Xuebao
目的为科学评估鄱阳湖生态经济区生境质量并构建生态安全格局,对生态修复提出科学建议。方法以2003年、2013年、2023年鄱阳湖生态经济区多源遥感和土地利用数据为基础,结合遥感生态指数、形态空间格局分析与电路理论,系统评估区域生境质量时空演变规律,构建“源地-廊道-夹点-障碍”协同优化的生态安全格局。结果1)研究区生境质量总体较高(RSEI平均值为0.75~0.79),但呈“中部退化、边缘稳定”的空间分异特征。2)基于MSPA识别出重要生态源地(16个)分布于九江、景德镇、鹰潭等植被覆盖率高的生态优势区,
奥勇   +5 more
doaj  

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