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Design and pricing of maintenance service contract based on Nash non-cooperative game approach
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作者 SU Chun HUANG Kui 《Journal of Systems Engineering and Electronics》 SCIE EI CSCD 2024年第1期118-129,共12页
Nowadays manufacturers are facing fierce challenge.Apart from the products,providing customers with multiple maintenance options in the service contract becomes more popular,since it can help to improve customer satis... Nowadays manufacturers are facing fierce challenge.Apart from the products,providing customers with multiple maintenance options in the service contract becomes more popular,since it can help to improve customer satisfaction,and ultimately promote sales and maximize profit for the manufacturer.By considering the combinations of corrective maintenance and preventive maintenance,totally three types of maintenance service contracts are designed.Moreover,attractive incentive and penalty mechanisms are adopted in the contracts.On this basis,Nash non-cooperative game is applied to analyze the revenue for both the manufacturer and customers,and so as to optimize the pricing mechanism of maintenance service contract and achieve a win-win situation.Numerical experiments are conducted.The results show that by taking into account the incentive and penalty mechanisms,the revenue can be improved for both the customers and manufacturer.Moreover,with the increase of repair rate and improvement factor in the preventive maintenance,the revenue will increase gradually for both the parties. 展开更多
关键词 maintenance service contract Nash game incentive and penalty mechanism corrective maintenance preventive maintenance
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Allocation of Public Service Facilities in Villages and Towns from the Perspective of Smart Contraction: A Case Study of Zixi County, Jiangxi Province
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作者 ZHANG Xiaoli 《Journal of Landscape Research》 2024年第5期56-58,共3页
The limitation of traditional layout system and the continuous contraction of villages and towns have brought challenges to the layout of public service facilities.It is an imperative task against this background to i... The limitation of traditional layout system and the continuous contraction of villages and towns have brought challenges to the layout of public service facilities.It is an imperative task against this background to integrate space resources and allocate public service facilities scientifically and reasonably.This paper took the system and method of rural public service facility allocation from the perspective of smart contraction as the theoretic support,and Zixi County in Jiangxi Province for example,built the four-level life circle of“county-fundamental-basic-routine”based on the influence factors of facility allocation,village and town contraction strength,rural comprehensive assessment results,residents’trip willingness and demands on public service facilities,finally proposed the suggestions for optimizing the allocation of village and town public service facilities. 展开更多
关键词 Smart contraction Village and town Public service facility Allocation research Zixi County
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Contracts in the payments for ecosystem services: the case of bio-prospecting
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作者 Rodney B.W. Smith Pushpam Kumar 《Ecological Economy》 2008年第2期130-141,共12页
We examine the economics of royalties in bioprospecting contracts between a pharmaceutical and genetic resource supplier (local), with an eve to understanding the relative advantages of indexing royalty, payments to... We examine the economics of royalties in bioprospecting contracts between a pharmaceutical and genetic resource supplier (local), with an eve to understanding the relative advantages of indexing royalty, payments to gross revenue or net revenue. We show a risk-averse firm facing only production or only cost risks will index royalties to net revenue. When facing both types of risk the choice of royalty type depends on the relative magnitudes of the production and cost risk. In each case, the risk-averse firm chooses the royalty-type that shifts as much risk as possible to the local. Wheat the local is risk neutral the pharmaceutical's and local's preferences are compatible.If the local is risk averse and there is only one type of risk, it will prefer a gross revenue royalty, and shift as much risk as possible to the firm: here the local and firm preferences are compatible only ifthe firm is risk-neutral. Lastly we show if the firm sets the terms of the contract and both agents are risk averse, the.firm will not likely volunteer to implement the socially optimal royalty arrangement as it prefers to shift as much risk to the loeal, who now also prefers a more certain return, This last outcome is at the heart of the benefit sharing discussionand suggests if risk sharing and equity are a concern in benefit sharing, then the choice of rcyalty type can be an important part of negotiations between pharmaceuticals and locals for the phytochemical from nature for new drug discovery. 展开更多
关键词 Ecosystem services Biodiversity Benefit-sharing contract Risk averse State contingent technology
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Research on telecommunication resale service supply chain coordination with revenue-sharing contract 被引量:5
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作者 郑惠莉 达庆利 曹爱红 《Journal of Southeast University(English Edition)》 EI CAS 2004年第1期113-116,共4页
The competition and cooperation between traditional telecom operators and resale operators in the supply chain are discussed, when the telecom industry developed telecommunication resale service. Supply chain contract... The competition and cooperation between traditional telecom operators and resale operators in the supply chain are discussed, when the telecom industry developed telecommunication resale service. Supply chain contract is an effective way to coordinate the supply chain. This paper analyzes the revenue-sharing contract between telecom operators and resale operators. The study shows that by setting up a rational revenue-sharing ratio and wholesale price, a revenue-sharing contract can coordinate this supply chain, and telecom operators and resale operators can achieve a 'win-win' solution. 展开更多
关键词 telecommunication resale service supply chain coordination revenue-sharing contract
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Modeling optimal oil production paths under risk service contracts 被引量:1
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作者 Luo Dongkun Zhao Xu 《Petroleum Science》 SCIE CAS CSCD 2013年第4期596-602,共7页
Due to the rigorous fiscal terms and huge potential risk of risk service contracts,optimizing oil production paths is one of the main challenges in designing oilfield development plans.In this paper,an oil production ... Due to the rigorous fiscal terms and huge potential risk of risk service contracts,optimizing oil production paths is one of the main challenges in designing oilfield development plans.In this paper,an oil production path optimization model is developed to maximize economic benefits within constraints of technology factors and oil contracts.This analysis describes the effects of risk service contract terms on parameters of inputs and outputs and quantifies the relationships between production and production time,revenues,investment and costs.An oil service development and production project is illustrated in which the optimal production path under its own geological conditions and contract terms is calculated.The influences of oil price,service fees per barrel and operating costs on the optimal production have been examined by sensitivity analysis.The results show that the oil price has the largest impact on the optimal production,which is negatively related to oil price and positively related to service fees per barrel and operating costs. 展开更多
关键词 Risk service contract optimal production path nonlinear programming service fees per barrel sensitivity analysis
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Global trends and development of energy services industry in China 被引量:1
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作者 Wentao Wang Yanhua Liu 《Chinese Journal of Population,Resources and Environment》 2016年第3期153-158,共6页
Energy service is an effective way to promote energy conservation by market mechanisms,including energy saving services,energy procurement,supply of many varieties of energy,supply of renewable energy technologies,ene... Energy service is an effective way to promote energy conservation by market mechanisms,including energy saving services,energy procurement,supply of many varieties of energy,supply of renewable energy technologies,energy-related consulting services,risk management,etc.China is a major energy consumer but energy is in short supply,and the efficiency of energy use is low.China's energy service industry has expanded rapidly,in terms of both the number of new Energy Service Companies entering the market and amount of capital invested in Energy Performance Contracting projects,but the energy service sector in China is still at an early stage of development.Developed countries began early in developing the energy service sector and their energy service market is mature,and the experience of developed countries shows that energy services play a significant role in advancing energy saving and emission reduction.Under the new situation,China needs combine energy services experience of developed countries,and take following measures to accelerate China's energy services rapid and healthy development,including the long-term aspects of policy planning,energy-saving core technology,finance and capital investment,public sector reductions,personnel training,and so on. 展开更多
关键词 energy services industry energy saving USA energy performance contracting
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Energy-Related Services as a Business:Eco-Transformation Logic to Support the Low-Carbon Transition
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作者 Oleksandr Kovalko Tatiana Eutukhova Oleksandr Novoseltsev 《Energy Engineering》 EI 2022年第1期103-121,共19页
The transition to low-carbon development has been recognized as one of the most important directions for the transformation of national economies in most countries.Today we can identify two of the most common service-... The transition to low-carbon development has been recognized as one of the most important directions for the transformation of national economies in most countries.Today we can identify two of the most common service-oriented logical models of this transition.These are models of Service-Dominant Logic and Product-Service Systems that are used in this study to create a service-oriented platformfor stimulating business development in the field of energy-related(ER)services.The establishment of such a platform is being considered based on the conceptual provisions of the global business ecosystem.Such a platform has been found to be a powerful tool for systemic coordinated cooperation between actors in the ER-services market and the relevant actors in the energy sector as well as in other industrial markets,unleashing the benefits of synergies,resulting from such cooperation.The logical models of attracting energy services companies to the creation of virtual communities(centers)for large-scale implementation of measures in the field of energy efficiency and renewable energy sources are presented in detail.The advantages of the practical implementation of logicalmodels are confirmed by calculations performed onmathematicalmodel adapted for engineering use in the field of ER-services. 展开更多
关键词 Energy services market service-oriented logic performance contracting
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Determination of Relationships and Al ocation of Responsibilities——Taking the Adjudication of Household Service Contract Disputes as an Example
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作者 He Ling Li Huan 《Contemporary Social Sciences》 2022年第4期137-155,共19页
The combination of the realistic demand of urban families to raise children and provide for the aged and the employment demand of rural migrant workers will inevitably lead to the continuous growth of the market deman... The combination of the realistic demand of urban families to raise children and provide for the aged and the employment demand of rural migrant workers will inevitably lead to the continuous growth of the market demand for household care services.The determination of the tripartite legal relationship between household workers,household service agencies,and families(individuals)is an important issue for the normative development of the household service industry.In specific judicial practice,local courts perform differently in the determination of the relationship between“household workers and household service agencies.”The application of law in relevant cases also often swings between the civil law and the labor law.The Civil Code of the People’s Republic of China(hereinafter“the Civil Code”)does not retain the concept of“employment relationship”used in the original Interpretation of the Supreme People’s Court on Several Issues Concerning the Application of Law in the Trial of Personal Injury Compensation Cases.Then,what is the relationship between household workers,household service agencies,and families(individuals)after the Civil Code came into force?This article shows the judicial dilemma currently faced by the household workers in the protection of labor rights and interests through an empirical analysis of the victim liability disputes of household workers and puts forward countermeasures and suggestions for improving the occupational injury protection mechanism of household workers in China through a comparative study of the occupational injury risk sharing mechanism of household workers and an analysis of the local exploration of the occupational injury protection system of flexible employees in China. 展开更多
关键词 employee-based household service intermediary contract relationship labor relations employment relationship
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Realty Service Contracts and the Legal System of Realty Management in China
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作者 Wang Lei 《Contemporary Social Sciences》 2022年第6期111-139,共29页
The realty(real estate)management of ownership of buildings includes the owner(homeowner)entrust-management and the owner self-management,the former through the way of realty service contracts,the latter through the r... The realty(real estate)management of ownership of buildings includes the owner(homeowner)entrust-management and the owner self-management,the former through the way of realty service contracts,the latter through the resolution of the owners’assembly and the owners’committee.The legal disputes of realty service contracts involve balancing interests among the realty service enterprise,individual owner,and all the owners.We should use dynamic balancing of the interests of the three parties to implement the interests of the win-win cooperation rather than the interests of the trade-off of“all or nothing.”The realty service contract is similar to the entrustment contract,both of which are based on the owners’entrustment.The duty to provide realty service is not simply equivalent to fiduciary duty.The realty service contract has the essence of both behavior debt and result debt.For the former,the general provisions of the entrustment contract can be referred to,and for the latter,the general provisions of the contract for work can be referred to.In view of the group characteristics of the realty service contract,owners have no right to terminate the realty service contract at any time but should obey the principle of due process and take the majority mechanism to make a dismissal resolution resolution.The resolutions and management stipulations worked out by the owners’assembly in a majority mechanism,both of which belong to resolution behavior and are legal tools of the owners’autonomy,shall be binding on all the owners.The relationship between the owner,the owner’s assembly,and the owner’s committee is similar to the fiduciary relationship.If the decision made by the owners’assembly or the owners’committee and the management stipulation infringes upon the legal rights and interests of the owners,the injured owner has the right to revocation litigation.At present,residential commodity owners have a relatively low degree of autonomy in China,and legal disputes over realty services are frequent.In the future,we need to perfect the legal incentive and constraint measures,and stimulate the vitality of owner autonomy to promote better implementation of the owner self-management and owner entrust-management. 展开更多
关键词 realty service contracts resolution of the owners’assembly realty management dynamic balancing of interests
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Smart Contract Based DDoS Attack Traceability Audit Mechanism in Intelligent IoT
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作者 Zhuohao Wang Weiting Zhang +3 位作者 Runhu Wang Ying Liu Chenyang Xu Chengxiao Yu 《China Communications》 SCIE CSCD 2023年第8期54-64,共11页
In this paper,we focus on providing data provenance auditing schemes for distributed denial of service(DDoS)defense in intelligent internet of things(IoT).To achieve effective DDoS defense,we introduce a two-layer col... In this paper,we focus on providing data provenance auditing schemes for distributed denial of service(DDoS)defense in intelligent internet of things(IoT).To achieve effective DDoS defense,we introduce a two-layer collaborative blockchain framework to support data auditing.Specifically,using data scattered among intelligent IoT devices,switch gateways self-assemble a layer of blockchain in the local autonomous system(AS),and the main chain with controller participation can be aggregated by its associated layer of blocks once a cycle,to obtain a global security model.To optimize the processing delay of the security model,we propose a process of data pre-validation with the goal of ensuring data consistency while satisfying overhead requirements.Since the flood of identity spoofing packets,it is difficult to solve the identity consistency of data with traditional detection methods,and accountability cannot be pursued afterwards.Thus,we proposed a Packet Traceback Telemetry(PTT)scheme,based on in-band telemetry,to solve the problem.Specifically,the PTT scheme is executed on the distributed switch side,the controller to schedule and select routing policies.Moreover,a tracing probabilistic optimization is embedded into the PTT scheme to accelerate path reconstruction and save device resources.Simulation results show that the PTT scheme can reconstruct address spoofing packet forward path,reduce the resource consumption compared with existing tracing scheme.Data tracing audit method has fine-grained detection and feasible performance. 展开更多
关键词 smart contract Internet of Things distributed denial of service TELEMETRY AUDIT
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家庭医生服务制度的健康伦理、现实挑战与机制完善 被引量:1
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作者 李学成 《医学与哲学》 北大核心 2024年第1期37-41,共5页
人文关怀、契约精神与资源分配是家庭医生服务制度健康伦理的核心指向,该制度在实践运作中存在诸多健康伦理的现实挑战。人文关怀理念的培养,必须强化全科医学人文教育的规范化与家庭医生执业中人文教育的制度化;签约服务信任关系的养成... 人文关怀、契约精神与资源分配是家庭医生服务制度健康伦理的核心指向,该制度在实践运作中存在诸多健康伦理的现实挑战。人文关怀理念的培养,必须强化全科医学人文教育的规范化与家庭医生执业中人文教育的制度化;签约服务信任关系的养成,应力求实现家庭医生服务制度的规范化且应充分考虑不同人群的特殊需要,加强家庭医生服务平台的信息化建设;签约服务首诊秩序的形成,除了人文关怀理念与签约服务信任的相关制度完善外,还应采取诱导性的制度设计,合理调整与配置医疗卫生资源,引导居民逐步养成科学的健康理念与有序的就医习惯。 展开更多
关键词 家庭医生服务制度 健康伦理 人文关怀 签约服务
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农业社会化服务与小农户的组织化:不同服务模式的比较 被引量:4
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作者 陈义媛 《中国农业大学学报(社会科学版)》 CSSCI 北大核心 2024年第1期48-64,共17页
本研究通过对比政府主导型、市场主导型和村集体经济组织主导型社会化服务模式,讨论了小农户如何被组织起来以及组织成本由谁承担的问题。在由政府主导的社会化服务模式中,小农户因受到政府补贴的吸引而达成了临时的合作,但这种组织化... 本研究通过对比政府主导型、市场主导型和村集体经济组织主导型社会化服务模式,讨论了小农户如何被组织起来以及组织成本由谁承担的问题。在由政府主导的社会化服务模式中,小农户因受到政府补贴的吸引而达成了临时的合作,但这种组织化具有暂时性。在市场主导型社会化服务模式中,小农户或被整合到规模经营主体的种植模式中,或被服务组织重塑。在这两种服务模式中,小农户都是被动的参与者,其组织化程度并未提高。村集体经济组织可能通过重建与小农户的双向权责均衡关系,通过收取服务费用的方式来解决组织成本问题。这种双向的权责均衡关系使村集体经济组织与小农户之间建立起有机的利益联结,从而使该组织对小农户的组织和动员成为可能。 展开更多
关键词 农业社会化服务 小农户 组织化 村集体经济组织
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能源法的法权构造及其体系展开 被引量:1
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作者 张忠民 《政法论丛》 CSSCI 北大核心 2024年第2期99-111,共13页
能源法的核心范畴界定较为模糊,亟待澄清。基于能源权利与能源权力的交互性、能源公益与能源私益的均衡性、能源监管与能源市场的协调性等需求考量,法权可作为能源法的核心范畴。能源法法权结构可从本体论、运行论和价值论三个层面予以... 能源法的核心范畴界定较为模糊,亟待澄清。基于能源权利与能源权力的交互性、能源公益与能源私益的均衡性、能源监管与能源市场的协调性等需求考量,法权可作为能源法的核心范畴。能源法法权结构可从本体论、运行论和价值论三个层面予以构造,形成体系化安排。本体论上,应以公民能源权利与国家能源权力的交互为基础,强调公民能源权作为法权结构的逻辑起点、以落脚为能源普遍服务的能源权力作为法权结构的基本保障;运行论上,应以能源合同作为法权结构运行的具体承载;价值论上,应以能源正义作为法权结构价值的最终目的。由此,可仰仗能源法的法权结构构筑能源法学体系。 展开更多
关键词 法权 能源法法权 公民能源权 能源普遍服务 能源合同 能源正义
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高校采购合同线上全流程管理体系构建与实践
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作者 李朝明 李康 +1 位作者 陈昌友 卢坤 《实验室研究与探索》 CAS 北大核心 2024年第9期241-246,共6页
采购合同线上全流程管理是实现新政府会计制度背景下“权责发生制”相关要求的有效途径,也是高校加强内部控制和规范经济行为的重要手段。基于对高校采购合同管理现状及问题分析的基础上,通过部门协同、信息化系统建设及电子签名等技术... 采购合同线上全流程管理是实现新政府会计制度背景下“权责发生制”相关要求的有效途径,也是高校加强内部控制和规范经济行为的重要手段。基于对高校采购合同管理现状及问题分析的基础上,通过部门协同、信息化系统建设及电子签名等技术构建了本校采购合同线上全流程信息化管理平台。实现了采购人、供应商及合同归口管理部门的有效协同,实现了合规、安全、高效的电子合同签约全流程系统建设,实现了采购合同的可溯源及可跟踪,进一步规范了高校合同管理。此外,该体系也加强了合同履约信息的反馈与监督,是高校采购合同管理“放管服”的有效尝试。 展开更多
关键词 新政府会计制度 内部控制 放管服改革 电子签名 电子合同
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基于区块链的知识密集型服务业数据共享动态激励机制的构建
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作者 徐尚英 曹子涵 +2 位作者 陈冬林 聂规划 陈秋阳 《科技管理研究》 CSSCI 2024年第16期124-132,共9页
过高的初始投资和维护成本以及知识密集型服务组织间天然竞争关系限制区块链广泛应用及数据共享平台发展。通过对知识密集型服务业数据共享策略进行演化博弈分析,构建一种基于区块链智能合约的知识密集型服务组织的数据共享动态激励机... 过高的初始投资和维护成本以及知识密集型服务组织间天然竞争关系限制区块链广泛应用及数据共享平台发展。通过对知识密集型服务业数据共享策略进行演化博弈分析,构建一种基于区块链智能合约的知识密集型服务组织的数据共享动态激励机制。针对产业数据共享现状,于博弈模型中引入区块链投资维护成本、数据竞争成本及激励成本/收益3个影响因素,通过复制动态方程分析组织间数据共享演化稳定策略。设计数据共享激励规则,并利用智能合约技术实现动态调整激励成本/收益,鼓励服务组织积极参与数据共享。结果表明:当服务组织接受符合数据共享策略条件的激励收益后,数据共享参与者比例最终达到饱和,且激励收益越大,趋近饱和状态的速度越快;针对不同数据共享策略的激励成本不仅有效增加知识密集型服务组织参与数据共享的意愿,且为知识密集型服务业数据共享平台带来额外收入。 展开更多
关键词 数据共享 知识密集型服务业 激励机制 区块链 智能合约 策略选择
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高血压患者规范管理与家医签约一体化的现况调查
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作者 王会兰 李肖肖 杨玲 《继续医学教育》 2024年第3期189-192,共4页
目的了解北京市月坛地区高血压患者进行家医签约的一般现状,探索高血压管理与家医签约的整合现况,为提高高血压管理效率、促进家医签约服务的可持续发展探索切合社区实际工作的方法。方法采用现况调查的方法,对2022年6—8月在月坛社区... 目的了解北京市月坛地区高血压患者进行家医签约的一般现状,探索高血压管理与家医签约的整合现况,为提高高血压管理效率、促进家医签约服务的可持续发展探索切合社区实际工作的方法。方法采用现况调查的方法,对2022年6—8月在月坛社区卫生服务中心进行电子签约家医服务的高血压患者进行问卷调查。问卷包括基本情况、高血压诊疗服务及需求、高血压知识知晓情况及家医签约服务满意度。结果在签约家医服务的高血压患者中,失眠和使用降压药物种类对血压的控制差异有统计学意义(P<0.05)。高血压患者对高血压相关用药知识的知晓率为20.45%,对其危险因素的知晓率为43.18%,对其并发症的知晓率为33.64%。高血压患者且对诊疗预约服务和微信服务有较大需求。高血压患者对原有家医签约服务满意度得分的中位数为93分。结论应积极控制高血压患者的失眠情况及使用降压药物的种类,充分利用家医签约服务微信群及时增强诊疗预约和健康教育能力,促进高血压管理与家医签约的充分融合。 展开更多
关键词 高血压 家医签约 诊疗预约 微信服务 管理 现况调查
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医患共同决策对老年慢性病共病患者家庭医生签约服务质量的影响
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作者 熊巨洋 朱璇 马赫 《中国卫生政策研究》 CSCD 北大核心 2024年第8期1-9,共9页
目的:深入剖析医患共同决策水平对老年慢性病共病患者家庭医生签约服务质量的作用路径,为推动慢性病健康管理、改善患者就医体验感和签约服务质量提供参考。方法:在武汉市和贵阳市采取多阶段随机抽样方法对599名老年慢性病共病患者及其... 目的:深入剖析医患共同决策水平对老年慢性病共病患者家庭医生签约服务质量的作用路径,为推动慢性病健康管理、改善患者就医体验感和签约服务质量提供参考。方法:在武汉市和贵阳市采取多阶段随机抽样方法对599名老年慢性病共病患者及其对应的63名签约医生开展问卷调查,借助分层回归模型分析医患共同决策水平对签约服务质量的作用路径。结果:我国中西部地区老年慢性病共病患者的医患共同决策得分为32.07±6.46,家庭医生签约服务质量得分为95.20±8.73,其中经济性和纵向连续性维度得分较低。分层回归模型分析结果显示医患共同决策水平对签约服务质量产生正向影响(β=0.369,P<0.05),家庭医生对签约患者的信任程度起到正向调节作用(β=0.548,P<0.05)。结论:我国中西部地区老年慢性病共病患者的医患共同决策水平和家庭医生签约服务质量均处于中等水平且有待提升,医患共同决策显著提升签约服务质量,对签约患者的信任程度强化共同决策对服务质量的正向效应。今后应加强医患共同决策、规范慢性病患者转诊服务、强化医患沟通信任,切实提升家庭医生签约服务质量。 展开更多
关键词 医患共同决策 慢性病共病 家庭医生 签约服务 服务质量
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服务期协议法律效力的判定与扩张
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作者 赵惊涛 冯艾琳 《东北师大学报(哲学社会科学版)》 CSSCI 北大核心 2024年第5期142-150,共9页
服务期协议法律效力的判定具有重要的法律意义,其为一种高度关涉当事人利益得失的法律操作。在判定服务期协议法律效力时,应确立和遵循一套合理并可操作的判定标准并秉持效力认定的基本态度。服务期协议效力具否之判定应分别考察主体、... 服务期协议法律效力的判定具有重要的法律意义,其为一种高度关涉当事人利益得失的法律操作。在判定服务期协议法律效力时,应确立和遵循一套合理并可操作的判定标准并秉持效力认定的基本态度。服务期协议效力具否之判定应分别考察主体、内容、形式和意思表示四大要素。如果可以同时满足主体适格性、内容合法性、形式完备性和意思表示真实性,则一般可判定服务期协议具备法律效力。对于形式欠缺完备性和意思表示欠缺真实性的服务期协议,在个案研判中不应机械和刚性地一味确认服务期协议无效,宜更加灵活和变通地处理这两种瑕疵情况下的效力问题,以充分体现和践行契约效力规则所应秉持的“尽量有效”的基本立法态度。服务期协议的时间效力和对人效力更具复杂性,需要在兼顾劳资双方利益的基础上适度突破契约相对性,肯认服务期效力在对人和时间层面上的适度扩张并加以必要的限制。 展开更多
关键词 服务期 法律效力 服务期协议 服务期规则 劳动合同法
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直播平台内观众与主播间法律关系的性质研究
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作者 朱晓娟 卢世际 《河南财经政法大学学报》 CSSCI 2024年第4期57-67,共11页
直播打赏关系的性质界定对消费者权益保护与纠纷预防具有重大意义。直播打赏关系中虚拟货币的转移作为实质上的财产转移值得法律评价和规范,该关系完全符合合同成立的要件,应被认定为独立的合同关系。直播打赏基本运行模式为“非强制性... 直播打赏关系的性质界定对消费者权益保护与纠纷预防具有重大意义。直播打赏关系中虚拟货币的转移作为实质上的财产转移值得法律评价和规范,该关系完全符合合同成立的要件,应被认定为独立的合同关系。直播打赏基本运行模式为“非强制性付费”商业模式,基于对主播与观众之间真实意思表示的尊重,直播打赏合同不宜被认定为赠与合同,而应是网络服务合同。相较于平台和观众之间的网络服务合同,直播打赏网络服务合同在格式、主体、权利义务、履行等方面具有特殊性,可以考虑引入打赏冷静期作为配套措施,但在其具体规则的设计上应注重规制消费者的“恶意反悔”。同时,直播平台作为网络服务交易平台提供者,在不能提供主播的有效联系方式时,应当依据《消费者权益保护法》规定,承担对消费者的先行赔偿责任,以辅助相关纠纷的妥善化解。 展开更多
关键词 直播打赏 赠与合同 网络服务合同
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基于合约熵判决算法的区块链网络DDoS防御优化
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作者 刘云 陈路遥 +1 位作者 宋凯 朱鹏俊 《南京理工大学学报》 CAS CSCD 北大核心 2024年第2期175-181,共7页
为针对多域协同联合防御分布式拒绝服务(DDoS)更有效发挥区块链网络优势,该文提出智能合约熵检测(SCED)算法。基于Hyperledger Fabric区块链架构,首先,通过智能合约技术构建多域协作机制,建立智能合约协作子算法;然后,针对受害域内非法... 为针对多域协同联合防御分布式拒绝服务(DDoS)更有效发挥区块链网络优势,该文提出智能合约熵检测(SCED)算法。基于Hyperledger Fabric区块链架构,首先,通过智能合约技术构建多域协作机制,建立智能合约协作子算法;然后,针对受害域内非法流量IP生成IP黑名单,并通知所有协作域,协同防御DDoS;其次,在各单域内部署由监测、比对、分类及防御模块组成的熵判决防御子算法,检测处理域内非法流量;最后,结合多域智能合约协作和单域熵判决防御,实现区块链网络中受害域、中间域及攻击域协同防御DDoS。仿真结果表明,对比ChainSecure等算法,SCED算法在精度和效率方面有较好的表现。 展开更多
关键词 分布式拒绝服务 区块链 智能合约 信息熵 贝叶斯分类器
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