Results 21 to 30 of about 701,354 (134)
Whose Digital Future? Civil Society and Alternative Imaginaries in Transnational Digital Governance
ABSTRACT This article investigates different visions of digital futures, examining how desired futures are discursively constructed within civil society in transnational digital governance. The analysis builds on discourse theory and a growing body of research on imaginaries in digital governance.
Outi Puukko
wiley +1 more source
pH值7.0±0.5时盐析蒸馏可同时分离富集污水中的挥发酚和芳胺。选用了六种盐进行实验,并对选用的不同盐的富集效果作了考察。筛选出最佳盐析剂为NaCl,250mL水样中NaCl投加质量为150g时效果最好。含苯酚和苯胺的水样仅需接取前1/5的馏出液,分体积中的回收率高达92.4%和91.5%,富集达20倍以上。该蒸馏方法可有效富集微量挥发酚和芳胺,在低浓度污水的测定中更具有优势。
李美蓉, 袁存光
doaj +2 more sources
目的 基于生物信息学技术鉴定糖尿病肾病(DKD)新的诊断标志物。方法 在基因综合表达数据库(GEO)中筛选DKD与正常肾小球组织中的差异表达基因(DEGs),并通过加权基因共表达网络(WGCNA)筛选关键基因模块,获得关键DEGs。进行基因本体论功能(GO)以及基因组百科全书通路(KEGG)富集分析,以及蛋白互作(PPI)分析获取核心基因。绘制核心基因的受试者操作特征(ROC)曲线,筛选出诊断效能较好的基因作为诊断标志物,并进行基因集富集分析(GSEA)以及免疫浸润分析。结果 共鉴定出87个DEGs ...
安敏 +4 more
doaj
ABSTRACT This paper examines the impact of the COVID‐19 pandemic on income and wealth inequality in Switzerland, with a particular focus on poverty dynamics and the role of the social security system. Using newly linked administrative tax data for four large cantons covering over a third of the Swiss population, we track changes in household income and
Oliver Hümbelin +2 more
wiley +1 more source
将城市污水中富含的有机物质或化学能回收利用,转化为有价值的产品或能源,是当前城市污水处理领域的研究热点。低浓度有机物的富集浓缩是实现城市污水有机物回收利用的首要前提。利用絮凝捕集方法将污水有机物转移聚集至污泥中,具有富集过程能耗低、碳转化损失少的优点。阐述分析了高分子有机絮凝剂的制备原理,尤其是天然高分子絮凝剂改性制备过程中各组分的作用、特性与效果,并将污泥水热处理液相产物中大分子有机物的组成和特性与之进行对比分析,介绍了接枝共聚、醚化、氧化等几种常见改性手法。结合相关实验研究 ...
王灵芝 +6 more
doaj +2 more sources
在丹江口库区喀斯特地区,研究分析自然降雨条件下5种不同植被覆盖类型(疏林地(C1)、乔木林地(C2)、坡耕地(C3)、荒草地(C4)、灌草地(C5))坡面侵蚀泥沙的氮、磷、钾养分流失及泥沙粒径分布特征,探讨泥沙养分流失与粒径分布的关系。结果表明:(1)侵蚀泥沙以粉粒(2~50 μm)、砂粒(50~2 000 μm)为主,0~20 μm颗粒含量随降雨强度的增加而减少。0~2 μm颗粒富集度集中在3.08~6.62,2~20 μm颗粒富集度集中在2.48~3.58,20~2 000 ...
周梦玲 +6 more
doaj
Tracing change in the public perception of plants: insights from archives and social media in China
As urbanization accelerates, historic gardens serve as vital cultural treasures that offer spiritual and cultural support to the public. This study proposes an innovative approach that merges historical records from the Qing Dynasty with contemporary social media data to explore changes in public perceptions of these gardens.
Dong Xu +4 more
wiley +1 more source
Ni‐Induced Interface Refinement Enhances Strength‐Ductility Synergy in LPBF‐Processed Ti‐Mo‐Ni Alloy
ABSTRACT Microstructural refinement is a common strategy for strengthening additively manufactured titanium alloys because it promotes phase nucleation. Reducing the α/β interfacial formation energy is an effective way to increase the nucleation rate.
An Li +6 more
wiley +1 more source
以潮褐土为供试土壤,通过模拟试验研究了高羊茅(Festuca arundinacea)和黑麦草(Lolium multif lorum)对复合污染土壤Cd,Pb,Zn的富集特点。结果表明,在土壤Cd,Pb,Zn复合污染处理条件下,高羊茅Cd,Pb,Zn的平均富集量,地上部分别为5.76,19.77,418.18 mg/kg,地下部分别为129.82,256.66,354.66 mg/kg;黑麦草Cd,Pb,Zn的平均富集量,地上部分别为5.57,26.13,467.18 mg/kg,地下部分别为114 ...
杨卓 +4 more
doaj
ABSTRACT Lithium–sulfur (Li–S) batteries are promising for next‐generation high‐energy‐storage systems but are hindered by polysulfide shuttle, sluggish kinetics, and volume expansion. Conventional carbon hosts struggle to simultaneously anchor and convert polysulfides efficiently.
Ling Chen, Peng Xu, Jiaojing Shao
wiley +1 more source

