Results 161 to 170 of about 1,265,068 (239)

[Prevalence of Refractive and Corneal Astigmatism in Children Aged 3-14 Years]. [PDF]

open access: yesSichuan Da Xue Xue Bao Yi Xue Ban
Zhao Y   +6 more
europepmc   +1 more source

Navigating the Algorithmic State: Public Values and Citizens' Preferences of AI‐Driven Public Service Delivery

open access: yesPublic 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
wiley   +1 more source

生物质合成气一步法合成二甲醚的在线分析系统

open access: yes, 2005
建立了一套由生物质合成气一步法制取二甲醚的在线分析系统.针对生物质合成气一步法合成二甲醚特征,采用两台分别装有TCD和FID检测器的色谱仪分析反应产物.利用原料气中N2作为内标物,来确定TCD上检测到的永久性气体组分浓度;通过CH4作内标物,来确定FID上检测到的有机物组分浓度.TCD和FID之间通过CH4来关联,从而确定反应产物中主要组分的浓度.该系统在压力3 MPa,温度250℃,空速(流速与催化剂体积的比值)分别为1 000、2 000、3 000 h-1的条件下用C306和HZSM ...
鲁皓, 常杰, 付严
core  

Running With Scissors? Integrating GPT Models Into Public Policy Research

open access: yesPolicy Studies Journal, EarlyView.
ABSTRACT The integration of large language models (LLMs) into public policy research presents both exciting opportunities and methodological challenges. This research note explores how OpenAI's GPT can be used to semi‐automate the annotation of legislative testimony within the Advocacy Coalition Framework, focusing on emotion‐belief dyads.
Giulia Mariani, Allegra H. Fullerton
wiley   +1 more source

Infrastructure as Inherited Knowledge: Artificial Intelligence and the Governance of Long‐Life Infrastructure

open access: yesJournal of Critical Infrastructure Policy, Volume 8, Issue 1, Spring/Summer 2027.
ABSTRACT Epistemic orphaning, responsibility drift, loss of institutional memory, and non‐stationarity are not new problems in infrastructure governance—they have accompanied long‐life infrastructure throughout its history. What artificial intelligence changes is not the existence of these problems but their scale, opacity, and the structural ...
Priscilla P. Nelson
wiley   +1 more source

乱用薬物の毛髪分析 [PDF]

open access: yes
薬物の乱用は世界中で大きな社会問題を引き起こしている.乱用によるリスクから人々の健康を予防し,守るためには乱用薬物の分析法の開発と応用が重要である.一方,薬物の摂取を証明するには,血液や尿などの生体試料の分析が不可欠であるが,その中で,毛髪は長期にわたる摂取情報を知ることのできる貴重な試料といえる.毛髪分析の歴史は比較的新しいが,分析機器の発展に伴って,実用的で有用な分析法が開発されるようになり,現在では法中毒学あるいは臨床化学などの分野で大いに利用されるようになっている.本総説では,毛髪分析の歴史 ...
中島, 憲一郎
core  

Gender Differences in the Impact of Domestic and International Remittances on Household Food Security. Evidence From Rural Zimbabwe

open access: yesPoverty &Public Policy, Volume 18, Issue 4, December 2026.
ABSTRACT Despite efforts, food security remains an elusive goal in rural Africa. Without robust safety nets, households employ alternative coping strategies, including internal and international migration to leverage remittances. Using data from a 2024 nationally representative cross‐sectional survey of 17,942 rural households conducted by the Zimbabwe
Dephine Mazambani   +2 more
wiley   +1 more source

Home - About - Disclaimer - Privacy