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Science China(Information Sciences) 2015年第12期58卷 75-88页

作者： GAO Cong MA JianFeng LIU ZhiQuan MA xindi School of Computer Science and Technology Xidian University

Since web services intended for the same application environment tend to be functionally homogeneous, researchers have turned to their non-functional aspects in order to constructively compare web services and choose an appropriate one. In general, quality of service is very important to users. Many schemes that consider quality assessment have been proposed for web service selection. With the increasing number of qualityrelated attributes, an effective quality assessment method needs satisfactory scalability. Schemes based on the analytic hierarchy process(AHP) meet this requirement. However, prevalent methods in this vein overlook the fact that the traditional AHP needs a complete judgment matrix. In practice, all the information needed to construct a judgment matrix is often unavailable for a variety of reasons, due to which certain judgments cannot be made. In this paper, for an incomplete judgment matrix, we propose an improved AHP approach to consistency verification and the subsequent ordering. Our method can deal with situations where information is insufficient,and inherits all the merits of the traditional AHP approach. A case study establishes the effectiveness of our proposed method.

关键词： incomplete information quality assessment analytic hierarchy process(AHP) web services qual ity of service selection

Image texture smoothing method by a novel L0-norm optimization model

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High Technology Letters 2020年第3期26卷 278-284页

作者：聂栋栋 Ge xindi Zhang Tianlai College of Sciences Yanshan UniversityQinhuangdao 066004P.R.China Bank of Xingtai Xingtai 054001P.R.China

Texture smoothing is a fundamental tool in various applications. In this work, a new image texture smoothing method is proposed by defining a novel objective function, which is optimized by L0-norm minimization and a modified relative total variation measure. In addition, the gradient constraint is adopted in objective function to eliminate the staircase effect, which can preserve the structure edges of small gradients. The experimental results show that compared with the state-of-the-art methods, especially the L0 gradient minimization method and the relative total variation method, the proposed method achieves better results in image texture smoothing and significant structure preserving.

关键词： texture smoothing structure preserving £0-norm minimization relative total variation

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桑椹桑叶复合酵素可吸果冻工艺研究

现代食品 2024年第2期30卷 212-216页

作者：张雅玲晏永球孙艺郁新弟王鹏泽贾福怀宁波御坊堂生物科技有限公司浙江宁波315016 宁波御益生物科技有限公司浙江宁波315016 浙江大医德美生物科技有限公司浙江宁波315016

本研究以桑叶为原料,经发酵、调配制备桑椹桑叶复合酵素可吸果冻,在单因素试验的基础上,通过正交试验优化工艺参数,以感官品质评价确定桑椹桑叶复合酵素可吸果冻配方。结果表明,桑椹桑叶复合酵素可吸果冻最佳工艺配方为复合酵素30%、白... 详细信息

本研究以桑叶为原料,经发酵、调配制备桑椹桑叶复合酵素可吸果冻,在单因素试验的基础上,通过正交试验优化工艺参数,以感官品质评价确定桑椹桑叶复合酵素可吸果冻配方。结果表明,桑椹桑叶复合酵素可吸果冻最佳工艺配方为复合酵素30%、白砂糖10%、柠檬酸钠0.14%、复合食品胶0.16%。按该配方制备的可吸果冻入口细腻、有弹性、有嚼劲、酸甜适口,不仅具有桑叶独特风味,而且具有保健功能。

关键词：桑椹桑叶酵素可吸果冻配方加工工艺

China’s Foreign Aid,Recipient Countries’Economic Growth,and the Mediating Effect of Aid in Infrastructure

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China Economist 2023年第1期18卷 16-34页

作者： Yan Bing Xie xindi Wen Bo Center for the Research of Multinational Corporations(MNCs) Nankai UniversityTianjinChina International Economic Research Institute Nankai University Bank of Shanghai Co. Ltd.

Based on the panel data of China’s foreign aid in 2003-2014 from AidData,this paper empirically investigates the relationship between China’s foreign aid and economic growth in recipient countries.Using the principal component analysis(PCA),the authors propose a variable,i.***.the infrastructure index,to measure the effects of aid on the economic growth of recipient countries.This study shows that aid from China has significantly improved the level of economic growth in recipient countries,which provides a new evidence of China’s aid effectiveness.Through analysis of the ways by which aid in infrastructure induces economic growth,the authors conclude that the improvement of local infrastructure accounts for 55.30%of the aggregate economic growth effect of China’s aid to recipient countries.

关键词： Foreign aid economic growth infrastructure mediating effect

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番石榴多糖化学与生物活性研究进展

食品研究与开发 2024年第10期45卷 209-216页

作者：许凯博梁钰婵黄小帅芦昕蒂秦赫婕李莉娅东北大学生命科学与健康学院辽宁沈阳110169 辽宁省生物资源开发利用重点实验室辽宁沈阳110169

番石榴(Psidium guajava)为桃金娘科植物,在全球热带及亚热带地区广泛种植。番石榴具有良好的食用和药用价值,长期被用于腹泻、糖尿病等疾病的辅助治疗。多糖是番石榴中的重要活性成分,具有抗氧化、抗肿瘤、抗炎、调节免疫、降血糖、改... 详细信息

番石榴(Psidium guajava)为桃金娘科植物,在全球热带及亚热带地区广泛种植。番石榴具有良好的食用和药用价值,长期被用于腹泻、糖尿病等疾病的辅助治疗。多糖是番石榴中的重要活性成分,具有抗氧化、抗肿瘤、抗炎、调节免疫、降血糖、改善肠道微生态等作用。该文对已报道的番石榴多糖提取方法、结构表征及生物活性相关研究进行梳理与总结,以期为番石榴及其多糖类成分在食品及医药领域的进一步开发利用提供参考和借鉴。

关键词：番石榴多糖提取工艺结构表征生物活性

Credit-based scheme for security-aware and fairness-aware resource allocation in cloud computing

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Science China(Information Sciences) 2017年第5期60卷 96-112页

作者： Di LU Jianfeng MA Cong SUN xindi MA Ning XI School of Computer Science Xidian University

Cloud computing systems include different types of participants with varied requirements for resources and multiple tasks; these varying requirements must be considered in the design of fairness-aware resource allocation schemes for better resources sharing. However, some participants may be malicious with a goal to damage the resource allocation fairness and increase their own utility. Hence, the resource scheduling policy must guarantee allocation fairness among the participants; further, it must ensure that fairness is not affected by the malicious usage of resources, that could cause resource exhaustion and lead to denial of service. In order to address this challenge, we propose a credit-based mechanism for resource allocation that will avoid the malicious usage of resources and, simultaneously, guarantee allocation fairness. In our scheme, a credit factor is introduced for each participant in order to evaluate the history of resource utilization and determine future resource allocation. Our model encourages a participant to release the occupied resources in timely manner after the completion of a task and imposes a punishment for malicious occupation of resources. We prove the fairness of our model and provide linear and variable gradient approaches to determine the credit factor for different scenarios. We simulate our model and perform experiments on a real cloud computing platform. The results prove the rationality, effectiveness and correctness of our approaches.

关键词： credit resource allocation security fairness cloud computing

水分活度在软胶囊胶皮水分监控及产品粘连问题中的新应用

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山东化工 2024年第4期53卷 239-241页

作者：陆伟郁新弟韩姣姣张松姿任亦洋贾福怀宁波御坊堂生物科技有限公司御坊堂天然健康产品重点农业企业研究院浙江宁波315012 浙江大医德美生物科技有限公司浙江宁波315153

本研究针对软胶囊类产品在生产过程中干燥终点难以判定和产品货架期中容易出现粘连的痛点问题,通过比对几种不同的水分测定方法,创新性地将水分活度分析检测手段应用于软胶囊胶皮表面水分的检测表征中,极大的缩短了胶皮水分的检测周期,... 详细信息

本研究针对软胶囊类产品在生产过程中干燥终点难以判定和产品货架期中容易出现粘连的痛点问题,通过比对几种不同的水分测定方法,创新性地将水分活度分析检测手段应用于软胶囊胶皮表面水分的检测表征中,极大的缩短了胶皮水分的检测周期,提高检测效率,且方法稳定性良好。通过稳定性加速试验,得到水分活度指标与产品粘连之间的联系,当软胶囊胶皮水分活度低于0.30 aw时,产品在货架期内的粘连情况将得到较好的控制。本研究应用性强,可为软胶囊类产品的质量监控提供一种新的解决方案。

关键词：软胶囊胶皮水分粘连水分活度保健食品

APRS: a privacy-preserving location-aware recommender system based on differentially private histogram

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Science China(Information Sciences) 2017年第11期60卷 297-306页

作者： Sheng GAO xindi MA Jianming ZHU Jianfeng MA School of Information Central University of Finance and Economics School of Computer Science and Technology Xidian University School of Cyber Engineering Xidian University

Appendix A Preliminaries In this section,we present some preliminaries that server as the basis of APRS.For convenience,the notations used in this paper are listed in Tabel A1.

关键词： a privacy-preserving location-aware recommender system based on differentially private histogram Si

国内外精神障碍者驾驶适宜性评定指南比较研究

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中国司法鉴定 2024年第2期 89-98页

作者：王书剑李豪喆张盛宇凌歆迪张钦廷蔡伟雄司法鉴定科学研究院上海市法医学重点实验室司法部司法鉴定重点实验室上海市司法鉴定专业技术服务平台上海200063 复旦大学基础医学院上海200032

道路交通安全问题已成为全球性的公共安全问题,其中精神障碍者驾驶机动车引发的一系列问题亦逐渐受到重视。为规范机动车驾驶人的驾驶活动、保障道路交通安全,多个国家均制定了相应的驾驶适宜性评定指南或标准,形成了针对精神障碍在内... 详细信息

道路交通安全问题已成为全球性的公共安全问题,其中精神障碍者驾驶机动车引发的一系列问题亦逐渐受到重视。为规范机动车驾驶人的驾驶活动、保障道路交通安全,多个国家均制定了相应的驾驶适宜性评定指南或标准,形成了针对精神障碍在内的各类疾病患者驾驶适宜性评定的系统性方法。从英国、加拿大和美国三国现行有效的评定指南或标准入手,对其目前的驾驶适宜性评定体系作简要介绍,结合当前我国驾驶适宜性评定的现状和存在的问题,进一步探讨国外现行评定体系与方法对于我国的启示与借鉴意义。

关键词：精神障碍驾驶适宜性法医精神病学评定指南比较研究

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哲学视域中文化扶贫的内在逻辑:概念与现实理路

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南京师大学报（社会科学版） 2023年第3期 156-168页

作者：盛新娣新疆财经大学马克思主义学院乌鲁木齐830012

党的二十大报告提出了为巩固拓展脱贫攻坚成果而“增强脱贫群众内生动力”的紧迫任务。对此,深入研究文化扶贫问题十分必要。“文化”界定直接影响对“文化扶贫”概念的理解。广义的“文化”是人化,根本上是人关于社会发展和人类实践的... 详细信息

党的二十大报告提出了为巩固拓展脱贫攻坚成果而“增强脱贫群众内生动力”的紧迫任务。对此,深入研究文化扶贫问题十分必要。“文化”界定直接影响对“文化扶贫”概念的理解。广义的“文化”是人化,根本上是人关于社会发展和人类实践的映现(映射和呈现),内含有关社会及其实践普遍性本质规律映现与个人特殊性具体实践场景映现之间的转换和辩证统一。文化扶贫是对脱贫群众关于当今中国社会本质规律正确映现与脱贫群众关于自身具体实践场景正确映现缺失的帮助,是对脱贫群众完成由前者向后者转换能力缺乏的帮扶。文化扶贫现实理路包括铸牢现实前提、析清现实路径、培育脱贫群众适应现实能力、凝聚形成现实合力。

关键词：文化文化扶贫概念内涵现实理路