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Qualitative Research on the Current Implementation Status and Barriers of Nurses’Non-Pharmacological Prescription Authority
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作者 Ying Li Yulin Lu +3 位作者 Yanxia Shang Ling Huang Panpan Cui Pingxi Yang 《Journal of Clinical and Nursing Research》 2026年第1期331-337,共7页
Objective:To systematically review the current implementation status of nurses’non-pharmacological prescription authority and analyze the barriers encountered during its implementation in China,providing countermeasu... Objective:To systematically review the current implementation status of nurses’non-pharmacological prescription authority and analyze the barriers encountered during its implementation in China,providing countermeasures and references for promoting the standardized implementation of nurses’non-pharmacological prescription authority.Methods:A secondary analysis of literature was conducted to systematically search for domestic and international literature related to nurses’non-pharmacological prescription authority.Meta-analysis was performed on eligible literature to evaluate the implementation effects.Simultaneously,semi-structured in-depth interviews were conducted with healthcare workers,patients,and policymakers.Content analysis was used to organize the interview data and extract core issues and barriers.Results:A total of 46 international articles were included in the Meta-analysis,which revealed that the implementation of nurses’non-pharmacological prescription authority significantly improved patients’health management outcomes,enhanced healthcare service efficiency,and increased patient satisfaction.Conclusion:The implementation of nurses’non-pharmacological prescription authority has demonstrated significant positive effects.However,China faces multiple barriers in its advancement,necessitating efforts in optimizing policy systems,constructing collaborative models,strengthening professional skills training,and improving social awareness to guide the scientific and rational implementation of nurses’non-pharmacological prescription authority. 展开更多
关键词 Nurses Non-pharmacological prescription authority Implementation status Barrier factors Qualitative research
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A Cross-Multi-Domain Trust Assessment Authority Delegation Method Based on Automotive Industry Chain
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作者 Binyong Li Liangming Deng +1 位作者 Jie Zhang Xianhui Deng 《Computers, Materials & Continua》 SCIE EI 2025年第1期407-426,共20页
To solve the challenges of connecting and coordinating multiple platforms in the automotive industry and to enhance collaboration among different participants,this research focuses on addressing the complex supply rel... To solve the challenges of connecting and coordinating multiple platforms in the automotive industry and to enhance collaboration among different participants,this research focuses on addressing the complex supply relationships in the automotive market,improving data sharing and interactions across various platforms,and achieving more detailed integration of data and operations.We propose a trust evaluation permission delegation method based on the automotive industry chain.The proposed method combines smart contracts with trust evaluation mechanisms,dynamically calculating the trust value of users based on the historical behavior of the delegated entity,network environment,and other factors to avoid malicious node attacks during the permission delegation process.We also introduce strict control over the cross-domain permission granting and revocation mechanisms to manage the delegation path,prevent information leakage caused by malicious node interception,and effectively protect data integrity and privacy.Experimental analysis shows that this method meets the realtime requirements of collaborative interaction in the automotive industry chain and provides a feasible solution to permission delegation issues in the automotive industry chain,offering dynamic flexibility in authorization and scalability compared to most existing solutions. 展开更多
关键词 Automotive industry chain cross-domain access block chain delegate authority trust assessment
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Path analysis the influence of self-efficacy and professional identity on attitudes toward prescriptive authority among oncology nurse specialists
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作者 Cheng-Ping Qiao Bin Yang +3 位作者 Jiao Ma Qin Chen Xin-Ying He Xue Han 《World Journal of Clinical Oncology》 2025年第9期186-196,共11页
BACKGROUND Global tumor incidence rises and therapies advance,driving oncology nursing specialization.Granting nurses prescriptive authority optimizes care but polarizes nurses'attitudes due to factors like risk a... BACKGROUND Global tumor incidence rises and therapies advance,driving oncology nursing specialization.Granting nurses prescriptive authority optimizes care but polarizes nurses'attitudes due to factors like risk and competence,hindering policy implementation.AIM To investigate the current status of the attitudes of oncology specialist nurses toward having prescribing authority,specifically concerning symptom management and supportive care in oncology practice,and we conducted a path analysis of their influencing factors.METHODS As participants in the survey,oncology specialist nurses working in hospitals of different grades in Jiangsu Province were selected from March 2025 to May 2025 using a stratified sampling method.The questionnaires were administered using the general information questionnaire,the beliefs and attitudes about nurses'prescriptive authority scale,the nurses'professional identity scale,and the selfefficacy scale.Pearson’s method was used to analyze the correlation between beliefs and attitudes about the prescriptive authority,professional identity,and self-efficacy of nurses.Multiple linear regression was performed to analyze the factors influencing the beliefs and attitudes of nurses’prescriptive authority.The Amos plug-in was used to construct structural equation models to analyze the influencing pathways.RESULTS A total of 329 questionnaires were distributed,and 328 valid questionnaires were returned(effective recovery rate:99.70%).The total score of the 328 oncology nurses on the beliefs and attitudes about nurses'prescriptive authority scale was 101.88±15.13,indicating a moderately high level.Univariate analysis revealed that gender and hospital grade were associated with this score(P<0.05).The Pearson correlation analysis revealed that self-efficacy was positively correlated with the scores of the beliefs and attitudes about nurses’prescriptive authority scale and the nurses’professional identity scale(r=0.4999,P<0.0001 and r=0.7048,P<0.05,respectively),whereas occupational identity was positively correlated only with the former(r=0.6209,P<0.05).Multiple linear regression analysis revealed occupational identity and self-efficacy as the factors influencing the scores of the beliefs and attitudes about nurses’prescriptive authority scale(P<0.05).The results of the path analysis revealed that selfefficacy significantly positively affected nurses’occupational identity and their beliefs and attitudes about having prescriptive authority;occupational identity played a mediating role between the two,with a mediating effect accounting for 54.46% of the total effect,and the structural equation model was well-fitted.CONCLUSION Oncology nurses have more positive attitudes toward prescriptive authority.In addition,self-efficacy positively and indirectly affects nurses’attitudes toward prescriptive authority through the mediating effect of occupational identity.This can be used as a basis for clinical practice to take targeted measures to improve nurses’self-efficacy and occupational identity,thus creating favorable conditions for effectively implementing the policy of prescriptive authority. 展开更多
关键词 Oncology nurse specialists SELF-EFFICACY Professional identity Nurse prescribing authority ATTITUDES
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A Study on the Beliefs and Attitudes of Nurses in Yunnan Province Towards Nurse Prescriptive Authority
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作者 Yulin Lu Jian Chen +3 位作者 Ying Li Jun Yu Yanyu Chen Jiangyu Xue 《Journal of Clinical and Nursing Research》 2025年第1期194-202,共9页
Objective: To investigate the current beliefs and attitudes of nurses in Yunnan Province toward prescriptive authority, analyze the influencing factors, and provide evidence for future research and policy formulation ... Objective: To investigate the current beliefs and attitudes of nurses in Yunnan Province toward prescriptive authority, analyze the influencing factors, and provide evidence for future research and policy formulation to support the establishment of nurses’ prescriptive authority in China. Method: A cross-sectional survey was conducted among 937 nurses in Yunnan Province using the Beliefs and Attitudes Scale on Nurses’ Prescriptive Authority. The scale assessed four dimensions: perceived need, self-efficacy, perceived benefits, and perceived barriers. Multiple linear regression analysis was used to identify factors influencing the overall score and each dimension. Results: The total score of the Beliefs and Attitudes Scale was 89.17 ± 17.69, indicating a moderate level of awareness and positive attitude among nurses. The highest-scoring dimension was perceived benefits (34.94 ± 8.04), while the lowest was perceived barriers (15.23 ± 3.5). Age was identified as a significant factor influencing the overall score and self-efficacy dimension (P < 0.05). Years of practice influenced the perceived benefits dimension (P = 0.051), while gender, age, and professional title were key factors affecting the perceived barriers dimension (P < 0.05). Male nurses and senior nurses demonstrated more caution toward potential risks associated with prescriptive authority. Conclusion: Nurses in Yunnan Province exhibit moderate levels of belief in and attitudes toward prescriptive authority, with age being the most significant influencing factor. Tailored training programs, policy promotion, and practical guidance are recommended to enhance nurses’ understanding and support for prescriptive authority, thereby improving nursing practices and addressing regional healthcare challenges. 展开更多
关键词 Nurses’prescriptive authority Beliefs and attitudes Influencing factors Yunnan Province Nursing policy
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Beyond the Lecture Hall:Rethinking Pedagogical Authority in the Age of AI and Hybrid Learning
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作者 XIAO Shufang 《Cultural and Religious Studies》 2025年第5期262-265,共4页
This essay critically re-examines pedagogical authority in the context of artificial intelligence(AI)and hybrid learning.As AI technologies disrupt the traditional teacher-centered model,and hybrid modalities challeng... This essay critically re-examines pedagogical authority in the context of artificial intelligence(AI)and hybrid learning.As AI technologies disrupt the traditional teacher-centered model,and hybrid modalities challenge spatial hierarchies,authority in education is increasingly dispersed and relational.The paper deconstructs historical structures of authority rooted in positional hierarchy and physical space,arguing instead for a model based on ethical mediation,dialogic engagement,and technological literacy.Educators must transform from content deliverers to facilitators of critical inquiry,guiding students through algorithmic complexity and fostering inclusive,participatory learning environments.By embracing relational authority and transparent practices,higher education can reclaim its democratic and transformative potential in the post-AI era. 展开更多
关键词 Pedagogical authority Artificial intelligence Hybrid learning Dialogic pedagogy
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基于区块链的多权威属性基加密方案
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作者 李杰 马海英 +1 位作者 孙国荣 杨及坤 《计算机应用与软件》 北大核心 2026年第2期356-362,370,共8页
针对现有属性基加密存在属性撤销效率低、用户密钥难协调的问题,将区块链和属性基加密相结合,构造一种基于区块链多权威属性加密方案。该方案利用多个属性权威为用户并行地生成属性私钥,利用智能合约和分布式账本记录用户与其属性之间... 针对现有属性基加密存在属性撤销效率低、用户密钥难协调的问题,将区块链和属性基加密相结合,构造一种基于区块链多权威属性加密方案。该方案利用多个属性权威为用户并行地生成属性私钥,利用智能合约和分布式账本记录用户与其属性之间的映射关系,实现属性私钥分布式分发和撤销,使得属性撤销无需属性私钥更新,减少用户计算开销。安全性证明和效率分析表明,该方案不仅提高属性私钥撤销的效率,且保障数据的前向和后向安全性。 展开更多
关键词 区块链 多权威属性基加密 细粒度授权 属性撤销 物联网数据交易
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“少主难以服众”与家族企业绿色创新——基于中国沪深A股上市家族企业的经验证据
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作者 严若森 张素各 《管理评论》 北大核心 2026年第1期65-77,共13页
代际传承如何影响企业绿色创新转型一直是家族企业治理研究领域的重要问题。本文以2009—2021年中国沪深A股上市家族企业为研究样本,考察“少主难以服众”对家族企业绿色创新的影响。研究发现,“少主难以服众”会抑制家族企业绿色创新... 代际传承如何影响企业绿色创新转型一直是家族企业治理研究领域的重要问题。本文以2009—2021年中国沪深A股上市家族企业为研究样本,考察“少主难以服众”对家族企业绿色创新的影响。研究发现,“少主难以服众”会抑制家族企业绿色创新。这一结果在经过内生性处理及系列稳健性检验之后依然成立。机制研究表明,“少主难以服众”对家族企业绿色创新的消极影响主要通过继任者短期速胜驱动与企业组织不确定性威胁实现。异质性分析发现,当环境规制较弱、公众环保意识较弱、企业为创业型家族企业,以及当家族冲突较大、代际传承阶段为父子共治时,“少主难以服众”的绿色创新抑制效应更为凸显。经济后果分析发现,“少主难以服众”对家族企业绿色创新的负面影响产生了显著的企业可持续发展绩效损失,具体表现为企业经济价值和环境绩效的双重下降。本文从“少主难以服众”视角丰富了家族企业绿色创新研究,对家族企业如何优化代际传承计划、改善企业绿色创新、提升经济发展质量提供了经验证据和管理启示。 展开更多
关键词 家族企业 “少主难以服众” 绿色创新 管理权威
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公共数据授权运营的困境与市场化构建——以信托机制为例的分析
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作者 文杰 《北京行政学院学报》 北大核心 2026年第1期56-67,共12页
目前,公共数据授权运营实践中面临的理论与制度困境包括授权运营法律性质存在论争、运营主体权利义务责任依据有所缺漏、授权运营监督机制尚不健全等,而公共数据授权运营采取信托机制进行市场化构建有利于消除这些困境。公共数据财产权... 目前,公共数据授权运营实践中面临的理论与制度困境包括授权运营法律性质存在论争、运营主体权利义务责任依据有所缺漏、授权运营监督机制尚不健全等,而公共数据授权运营采取信托机制进行市场化构建有利于消除这些困境。公共数据财产权符合信托财产的要件,以其设立信托机制契合公共数据流通的理念;国内外已开展公共数据信托的实践探索,且我国具备采取信托机制的基础。应扩大公共数据授权运营信托委托人和受托人范围;公共数据授权运营信托应办理信托登记;受托人不应享有将公共数据财产权转让、设定担保等权利;对受托人的义务,应细化谨慎管理义务、调适分别管理义务、强化亲自管理义务、增设公平义务;受托人违反义务应承担惩罚性赔偿责任;应设置信托监察人加强对受托人行为的监督。 展开更多
关键词 公共数据 授权运营 信托 市场化 信托监察人
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我国公共体育场馆网络化治理的主体角色定位与权责边界
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作者 陈元欣 刘思思 《沈阳体育学院学报》 北大核心 2026年第1期115-122,共8页
本研究运用文献资料法和逻辑分析法,基于网络化治理理论构建公共体育场馆治理数学模型,科学界定多元主体在公共体育场馆治理中的角色定位与权责边界。研究认为,公共体育场馆治理效益与市场主体的投入水平、权责配置呈“倒U型”关系,与... 本研究运用文献资料法和逻辑分析法,基于网络化治理理论构建公共体育场馆治理数学模型,科学界定多元主体在公共体育场馆治理中的角色定位与权责边界。研究认为,公共体育场馆治理效益与市场主体的投入水平、权责配置呈“倒U型”关系,与政府和社会主体的投入水平呈“伞形”关系。为实现公共体育场馆治理效益最大化的目标,各主体应将其投入水平与权责配置限定在合理有效的区间内。政府主体应由有限政府转向有为政府,市场主体应由辅助力量转向中坚力量,社会主体应由被动参与转向主动担责。通过明确多元主体的角色定位与权责边界,促进其良性互动与合作,探索构建高效协同的“有为政府-有效市场-有机社会”公共体育场馆治理模式,以期为破解多元主体协同困境、强化多元主体协同效能、优化公共体育场馆服务供给模式提供理论支持与实践参考。 展开更多
关键词 公共体育场馆 网络化治理 角色定位 权责边界 多元主体
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《子午流注针经》作者及版本考述
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作者 樊旭 房芑霖 +1 位作者 刘可扬 李姣莹 《辽宁中医药大学学报》 2026年第1期1-6,共6页
《子午流注针经》作为现存最早的子午流注专著,具有重要的学术价值。该研究通过文献考证与版本调研,系统梳理了该书的作者、成书年代及版本特征。经调查发现,现存10个版本分藏于我国上海、中国台湾、宁波及日本,包括刊刻本与手抄本,年... 《子午流注针经》作为现存最早的子午流注专著,具有重要的学术价值。该研究通过文献考证与版本调研,系统梳理了该书的作者、成书年代及版本特征。经调查发现,现存10个版本分藏于我国上海、中国台湾、宁波及日本,包括刊刻本与手抄本,年代跨越元、明、清三代,主要分为“燕山活济堂”“广勤活济堂”和“罗氏竹坪书堂”三大版本体系。其中最具代表性的刊刻本包括:元至大辛亥年(公元1311年)以“燕山活济堂”名义刊行的元刊本,为现存最早版本,收录于《针灸四书》之中,馆藏于宁波天一阁博物馆;明宣德七年(1432年)“广勤活济堂”刊本,为海外回归版,内容保存是10版中最为完整的一版,且字迹清晰,刊刻精美,现藏日本宫内厅;明成化九年(1473年)“罗氏竹坪书堂”刊本,经补录修订后刊行,现藏中国台北故宫博物院。版本各具特色,均具有重要的研究价值。该研究通过系统比对,明确了各版本的特征与学术价值,为中医古籍保护与子午流注理论研究提供了重要的文献依据。 展开更多
关键词 子午流注针经 作者 版本 中医古籍 医学文献
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论教师权威类型与学生学习成效的逻辑关系
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作者 熊景维 《教学研究》 2026年第1期11-20,共10页
通过梳理提炼相关学术文献,发展了一个关于教师权威的理论框架,探究了教师权威的不同形式,即“专业型”“道德型”“职位型”“个人型”权威在逻辑上影响学生学习动机、学习参与度及学业成就的作用通路;分析呈现了教师权威如何作用于学... 通过梳理提炼相关学术文献,发展了一个关于教师权威的理论框架,探究了教师权威的不同形式,即“专业型”“道德型”“职位型”“个人型”权威在逻辑上影响学生学习动机、学习参与度及学业成就的作用通路;分析呈现了教师权威如何作用于学生学习动机、课堂参与度和学业表现等学习的关键维度,强调了平衡权威与学生自主性的必要性;探究了教师权威面临的主要挑战,包括培养学生自主性、应对学生抗拒权威、处理制度性约束等。同时,从优化教学策略、提升学生学习成效的目标出发,提出教师需要创建有权威性的课堂环境,鼓励学生发挥自主性并对学习过程进行赋权,根据学生多样化需求和差异化的教育情境调整其权威类型等教学实践建议。 展开更多
关键词 教师权威 学生学习成效 逻辑关系 参与度 课堂管理 学生自主性
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A distributed adaptive multi-hop certification authority schemefor mobile Ad Hoc networks 被引量:1
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作者 TanXuezhi WuShaochuan JiaShilou 《Journal of Systems Engineering and Electronics》 SCIE EI CSCD 2005年第2期265-272,共8页
This paper theoretically analyzes a deficiency of the existing scheme, and proposes a distributed multi-hop certification authority scheme for mobile Ad Hoc networks. In our design, we distribute the certification aut... This paper theoretically analyzes a deficiency of the existing scheme, and proposes a distributed multi-hop certification authority scheme for mobile Ad Hoc networks. In our design, we distribute the certification authority functions through a threshold secret sharing mechanism, in which each node holds a secret share and multiple nodes jointly provide complete services. Certification authority is not limited in a local neighborhood but can be completed within multi-hop location. In addition, we replace broadcast by multicast to improve system performance and reduce communication overhead. This paper resolves some technical problems of ubiquitous certification authority services, and presents a wieldy multi-hop certification authority algorithm. Simulation results confirm the availability and effectiveness of our design. 展开更多
关键词 mobile Ad Hoc networks threshold secret share certification authority.
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《清人诗文集总目提要》订补——以苏州“依园七子”为中心
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作者 朱则杰 《苏州工学院学报》 2026年第1期106-112,共7页
今人柯愈春先生所著《清人诗文集总目提要》,从清代诗歌(包括散文)文献学的角度来说,代表了迄今为止该领域学术研究的最高成就。因此,以该书为基准,对其中难免存在的若干舛误与疏漏进行订正与补充,从而使之尽可能地更趋完善,也就成了一... 今人柯愈春先生所著《清人诗文集总目提要》,从清代诗歌(包括散文)文献学的角度来说,代表了迄今为止该领域学术研究的最高成就。因此,以该书为基准,对其中难免存在的若干舛误与疏漏进行订正与补充,从而使之尽可能地更趋完善,也就成了一项很有意义的工作。现就苏州“依园七子”中间的五位作家潘镠、曹基、黄玢、金贲、蔡元翼的有关问题做些订补,供作者及其他相关读者参考。 展开更多
关键词 清诗 作家 考证 《清人诗文集总目提要》 《清人别集总目》 依园七子
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一种智能法律合约驱动的联邦学习数据授权和执行方法
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作者 孟疏桐 周铖鑫 +4 位作者 朱岩 王楠 余彦婷 薛显斌 李勇 《工程科学学报》 北大核心 2026年第2期331-345,共15页
在数字经济时代,数据已成为社会创新的核心生产要素.联邦学习具有“数据不动、模型动”的特点,推动了数据使用方式从“数据集中共享”向“模型协同计算”数据要素流通方式的转型,然而,现有将区块链与智能合约应用于联邦学习的工作多侧... 在数字经济时代,数据已成为社会创新的核心生产要素.联邦学习具有“数据不动、模型动”的特点,推动了数据使用方式从“数据集中共享”向“模型协同计算”数据要素流通方式的转型,然而,现有将区块链与智能合约应用于联邦学习的工作多侧重于数据溯源和激励机制,在法律责任界定上仍缺乏有效的“法链结合”数据确权、合约执行监督、和权益分配机制.针对这一问题,本文提出了一种智能法律合约驱动的联邦学习数据授权和执行方法,构建了基于智能法律合约SPESC语言的联邦学习监督架构,通过合约条款对联邦学习任务的执行进行发布、分配与监控.该架构中的授权与执行管理平台通过数据授权模块对数据授权合约模板实现“要约–承诺–执行–仲裁”的数据要素全链条管理,其优势在于:结合去中心化标识和区块链技术对合约当事人进行身份认证,并采用可自动执行的合约条款进行数据授权,同时设计了违约和仲裁条款对数据确权和权益分配进行监督,确保不同主体间数据使用权与经营权的合规性,其中的联邦计算模块通过合约模板对联邦系统中的计算任务进行配置,并实现对执行权责的监督.实验结果表明,在相同的训练轮数下本文方法较传统方法模型准确率提升了约5%,并在30轮内达到98%的收敛准确率.实验验证了数据授权合约中数据授权条款的自动执行与链上追溯,确保了联邦学习中的身份合规性与授权透明性,并设计了针对参与节点间的联邦计算合约模板,通过该模板对节点选择算法进行性能分析,结果表明算法的模型训练较稳定,收敛速度较快,研究为推动数据要素市场数字化转型提供了一种新的思路. 展开更多
关键词 联邦学习 智能法律合约 数据授权 数据流通 区块链
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An Introduction to Contemporary Social Sciences
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《Contemporary Social Sciences》 2026年第1期F0002-F0002,共1页
Contemporary Social Sciences is an English-language journal founded by Sichuan Academy of Social Sciences(SASS)in March 2016.It is China’s first and only English academic journal established by a local academy of soc... Contemporary Social Sciences is an English-language journal founded by Sichuan Academy of Social Sciences(SASS)in March 2016.It is China’s first and only English academic journal established by a local academy of social sciences,as well as Sichuan’s only English academic journal in humanities and social sciences with a CN serial number.As a publication run in line with the requirements of China’s press and publication authority,Contemporary Social Sciences publishes outstanding research in the field of social sciences in China and also includes high-quality research work by foreign scholars on the development of China’s western regions and its reform and opening up.The aim is to help promote China’s academic achievements to the world and give China a stronger voice in the global community of social sciences. 展开更多
关键词 contemporary social sciences humanities social sciences academic achievements social sciences press publication authority English academic journal Sichuan Academy Social Sciences
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Instructions for Authors
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《International Journal of Minerals,Metallurgy and Materials》 2026年第1期F0002-F0002,共1页
International Journal of Minerals,Metallurgy and Materials is dedicated to the publication and the dissemination of original research articles (and occasional invited reviews) in the fields of Minerals,Metallurgy and ... International Journal of Minerals,Metallurgy and Materials is dedicated to the publication and the dissemination of original research articles (and occasional invited reviews) in the fields of Minerals,Metallurgy and Materials.It is covered by EI Compendex,SCI Expanded,Chemical Abstract,etc.Manuscript preparation The following components are required for a complete manuscript:Title,Author(s),Author affiliation(s),Abstract,Keywords,Main text,Acknowledgements and References. 展开更多
关键词 METALLURGY MINERALS research articles materials ei compendexsci complete manuscript titleauthor s author REVIEWS
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Analysis of the Brazilian railway system:concession renewals and the quest for a more diversified and competitive framework
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作者 Raphael Lúcio Reis dos Santos Conrado de Souza Rodrigues +1 位作者 Guilherme de Castro Leiva Armando Belato Pereira 《Railway Sciences》 2026年第1期29-48,共20页
Purpose-This paper provides a comprehensive analysis of the Brazilian freight railway system,examining the efficacy of the current concession renewal model in light of persistent structural problems such as market con... Purpose-This paper provides a comprehensive analysis of the Brazilian freight railway system,examining the efficacy of the current concession renewal model in light of persistent structural problems such as market concentration,cargo dependence on export commodities and underutilization of the network.Situating Brazil within the broader international debate on railway reforms,the paper evaluates whether the ongoing early renewal of concessions can deliver a more diversified and competitive freight system.Design/methodology/approach-The study adopts a sequential mixed-methods research design that integrates longitudinal quantitative analysis with qualitative institutional and policy evaluation.The quantitative component examines time-series indicators published by ANTT,DNIT and INFRA S.A.from 1999 to 2023 to identify structural patterns in traffic growth,investment,safety and market concentration.The qualitative component employs a process-tracing logic to reconstruct the evolution of concession renewals and the implementation of Railway Law 14.273/2021,drawing on concepts from regulatory economics,institutional theory and industrial organization.These empirical streams are synthesized through an analytical framework that connects three dimensions-regulatory design,market structure and system performance-allowing for a systematic assessment of how Brazil’s institutional configuration shapes incentives,competitive dynamics and network utilization.Findings-The analysis confirms that the early renewal of concessions has successfully secured substantial private investment for capacity expansion on existing trunk lines.However,it has perpetuated the vertically integrated model,reinforcing the market power of incumbent operators and failing to significantly promote intramodal competition or cargo diversification.The system remains dominated by iron ore and agricultural commodities,with general cargo representing a minuscule share.The new authorization regime and short-line railway policies present a viable pathway for market opening but face significant operational and institutional barriers to implementation.Originality/value-This research offers a timely and critical assessment of a pivotal moment in Brazilian railway policy.It moves beyond a simplistic evaluation of volume growth to a structural analysis of market failures and the interplay between concession renewal and regulatory innovation.The findings provide actionable insights for policymakers in Brazil and other emerging economies seeking to balance private investment with public interest goals in railway infrastructure,highlighting the necessity of complementary,pro-competitive measures alongside financial investment. 展开更多
关键词 Authorization regime Brazil Cargo diversification Economic resilience Infrastructure policy Market concentration Railway concessions Regulatory framework Short-line railways Transport planning Transport policy Transportation privatization
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乡村振兴背景下流动性权威建构的文化转型——基于湖南一村落的田野调查
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作者 娄梦玲 赵旭东 《北方民族大学学报(哲学社会科学版)》 北大核心 2026年第1期103-113,共11页
现代化浪潮冲击所引致的乡村文化转型,在农民工群体“乡村—城市—乡村”的循环流动实践介入后,衍生出新的发展路向。这一转向集中体现于作为文化核心表达载体的乡村权威的重构过程中。通过对湖南山区一个村落的田野调查发现,返乡创业... 现代化浪潮冲击所引致的乡村文化转型,在农民工群体“乡村—城市—乡村”的循环流动实践介入后,衍生出新的发展路向。这一转向集中体现于作为文化核心表达载体的乡村权威的重构过程中。通过对湖南山区一个村落的田野调查发现,返乡创业农民工从城市回流后极大地冲击和改变了当地的权威格局,以其为代表的流动性权威逐渐兴起,而村干部权威和传统民间权威相对式微。折射出乡村文化转型的方向并非一味回归传统或者拒斥外来文明,而是在直面现代化冲击的同时,凭借极强的韧性持续进行自我调适和创造性转化,最终进入一种城乡“在一起”的互惠融通状态。在此过程中,有着城乡双重生活体验的返乡创业农民工实际上成为村落共同体重新凝聚和乡村文化创造性转化的重要推动力量。 展开更多
关键词 返乡创业农民工 流动性权威 文化转型
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属性分级并部分盲化的多机构CP-ABE
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作者 王娟 古丽博斯坦·阿克木 +1 位作者 雷雪娇 努尔买买提·黑力力 《计算机应用与软件》 北大核心 2026年第2期347-355,370,共10页
针对CP-ABE的访问策略中有些属性可能会泄露一些隐私或敏感信息,提出盲化敏感属性的多属性监管机构CP-ABE方案。该方案根据属性和敏感信息之间的相关程度将属性分成三类:全局敏感、局部敏感和一般。加密时盲化访问策略中出现敏感属性,... 针对CP-ABE的访问策略中有些属性可能会泄露一些隐私或敏感信息,提出盲化敏感属性的多属性监管机构CP-ABE方案。该方案根据属性和敏感信息之间的相关程度将属性分成三类:全局敏感、局部敏感和一般。加密时盲化访问策略中出现敏感属性,而一般属性以明文形式出现。两个属性监管机构协调预判用户的解密能力,进而避免徒劳的解密运算。这样不仅能针对性地防止访问策略泄露敏感信息,而且通过保留一般属性的明文出现,能降低加解密的计算代价,从而得到策略机密性和密码系统的效率之间的更好折中。 展开更多
关键词 密文策略属性基加密 多授权机构 属性分类 全局敏感属性 局部敏感属性
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优化公共数据要素市场化配置制度的法治保障
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作者 杨培泽 金明浩 《安阳工学院学报》 2026年第1期54-60,共7页
公共数据要素作为数据领域的重要组成部分,是推动社会经济发展和提升政府治理能力现代化的关键一环,公共数据授权运营则为进一步释放公共数据要素价值和驱动数字经济发展提供了有益路径。在公共数据要素市场化的过程中,还存在一些亟待... 公共数据要素作为数据领域的重要组成部分,是推动社会经济发展和提升政府治理能力现代化的关键一环,公共数据授权运营则为进一步释放公共数据要素价值和驱动数字经济发展提供了有益路径。在公共数据要素市场化的过程中,还存在一些亟待解决的突出问题,如公共数据权属不明、交易标的界定存在争议、权利保护机制不成体系、授权运营存在潜在风险等。为应对这些问题,应从明确公共数据归国家所有、构建相关主体的利益平衡机制、建立统一且多层次的权利保护体系、多方位完善公共数据开放授权机制等方面实施优化措施,以期建立健康、充分、可持续的公共数据要素市场化配置制度。 展开更多
关键词 公共数据 市场化配置 授权运营 数据权属
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