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XRL-SHAP-Cache:an explainable reinforcement learning approach for intelligent edge service caching in content delivery networks

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Science China(Information Sciences) 2024年第7期67卷 46-71页

作者： xiaolong XU Fan WU Muhammad BILAL Xiaoyu XIA Wanchun DOU Lina yao Weiyi ZHONG School of Software Nanjing University of Information Science and Technology School of Computing and Communications Lancaster University School of Computing Technologies Royal Melbourne Institute of Technology State Key Laboratory for Novel Software Technology Nanjing University School of Computer Science and Engineering University of New South Wales Data 61 Commonwealth Scientific and Industrial Research Organization School of Computer Science Qufu Normal University

Content delivery networks(CDNs) play a pivotal role in the modern internet infrastructure by enabling efficient content delivery across diverse geographical regions. As an essential component of CDNs, the edge caching scheme directly influences the user experience by determining the caching and eviction of content on edge servers. With the emergence of 5G technology, traditional caching schemes have faced challenges in adapting to increasingly complex and dynamic network environments. Consequently, deep reinforcement learning(DRL) offers a promising solution for intelligent zero-touch network governance. However, the blackbox nature of DRL models poses challenges in understanding and making trusting decisions. In this paper,we propose an explainable reinforcement learning(XRL)-based intelligent edge service caching approach,namely XRL-SHAP-Cache, which combines DRL with an explainable artificial intelligence(XAI) technique for cache management in CDNs. Instead of focusing solely on achieving performance gains, this study introduces a novel paradigm for providing interpretable caching strategies, thereby establishing a foundation for future transparent and trustworthy edge caching solutions. Specifically, a multi-level cache scheduling framework for CDNs was formulated theoretically, with the D3QN-based caching scheme serving as the targeted interpretable model. Subsequently, by integrating Deep-SHAP into our framework, the contribution of each state input feature to the agent's Q-value output was calculated, thereby providing valuable insights into the decision-making process. The proposed XRL-SHAP-Cache approach was evaluated through extensive experiments to demonstrate the behavior of the scheduling agent in the face of different environmental *** results demonstrate its strong explainability under various real-life scenarios while maintaining superior performance compared to traditional caching schemes in terms of cache hit ratio, quality of service(QoS),a

关键词： deep reinforcement learning (DRL) explainable artificial intelligence (XAI) multi-level cache content delivery network (CDN) D3QN algorithm Deep-SHAP

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3,3'-二氨基-4,4'-二羟基二苯砜的制备

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山东化工 2017年第6期46卷 29-29,31页

作者：康永利张文姚晓龙张慧丽王轩栗晓东天津市均凯化工科技有限公司天津300384

邻溴苯酚与过硫酸氢钾在三氟甲磺酸及三氟甲磺酸酐和氯仿中反应得到3,3'-二溴-4,4'-二羟基二苯砜,之后在N-甲基吡咯烷酮中与氨水反应得到3,3'-二氨基-4,4'-二羟基二苯砜。总收率88%。该路线具有收率高,原材料易得,溶剂可回收套用,环境... 详细信息

邻溴苯酚与过硫酸氢钾在三氟甲磺酸及三氟甲磺酸酐和氯仿中反应得到3,3'-二溴-4,4'-二羟基二苯砜,之后在N-甲基吡咯烷酮中与氨水反应得到3,3'-二氨基-4,4'-二羟基二苯砜。总收率88%。该路线具有收率高,原材料易得,溶剂可回收套用,环境友好等优点。

关键词： 3,3′-二氨基-4,4′-二羟基二苯砜 3,3′-二溴-4,4′-二羟基二苯砜 2-溴苯酚三氟甲磺酸酐

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香葱主要虫害防治药剂的筛选

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山地农业生物学报 2024年第2期43卷 63-66,72页

作者：张雪飞姚小龙吴琼江兆春谈孝凤吴小毛贵州大学作物保护研究所贵州贵阳550025 贵州省山地农业病虫害重点实验室贵州贵阳550025 贵州省植保植检站贵州贵阳550001

为了筛选防治香葱蓟马、斑潜蝇、斜纹夜蛾的高效安全药剂,通过田间药效试验测定不同杀虫剂对3种害虫的防治效果。结果表明,60 g/L乙基多杀菌素SC对蓟马的防效较好,防效为88.40%~95.93%;60%噻虫·灭蝇胺WG对斑潜蝇的防效较好,防效为81.02... 详细信息

为了筛选防治香葱蓟马、斑潜蝇、斜纹夜蛾的高效安全药剂,通过田间药效试验测定不同杀虫剂对3种害虫的防治效果。结果表明,60 g/L乙基多杀菌素SC对蓟马的防效较好,防效为88.40%~95.93%;60%噻虫·灭蝇胺WG对斑潜蝇的防效较好,防效为81.02%~87.26%;35%氯虫苯甲酰胺WG对斜纹夜蛾的防效较好,防效为88.01%~92.53%,为香葱主要虫害田间防控提供高效药剂。

关键词：香葱蓟马斑潜蝇斜纹夜蛾防效

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啶酰菌胺中间体4'-氯-2-氨基联苯的合成

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山东化工 2016年第11期45卷 12-14,16页

作者：张慧丽姚晓龙康永利张文王轩栗晓东天津市均凯化工科技有限公司天津300384

以对氯苯硼酸为起始原料,与氟化氢钾反应得到对氯三氟苯硼酸钾,再与邻氯硝基苯经Suzuki偶联反应得到4'-氯-2-硝基联苯,最后经锌粉还原得到4'-氯-2-氨基联苯。总收率74.78%。该路线具有成本低、收率高、原材料易得、溶剂可回收套用、环... 详细信息

以对氯苯硼酸为起始原料,与氟化氢钾反应得到对氯三氟苯硼酸钾,再与邻氯硝基苯经Suzuki偶联反应得到4'-氯-2-硝基联苯,最后经锌粉还原得到4'-氯-2-氨基联苯。总收率74.78%。该路线具有成本低、收率高、原材料易得、溶剂可回收套用、环境友好等优点。

关键词：啶酰菌胺 2-氯烟酰氯 4'-氯-2-氨基联苯对氯苯硼酸

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2-氨基-3-氯-5-三氟甲基吡啶的制备方法

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山东化工 2017年第7期46卷 20-21,24页

作者：姚晓龙康永利张文王轩张慧丽栗晓东天津市均凯化工科技有限公司天津300384

以2,3-二氯-5-三氟甲基吡啶或2-氟-3-氯-5-三氟甲基吡啶作为原料,与乙酰胺在20℃进行反应而制得3-氯-2-乙酰胺基-5-三氟甲基吡啶;之后经氢氧化钠50℃下水解而制得2-氨基-3-氯-5-三氟甲基吡啶。

关键词： 2-氨基-3-氯-5-三氟甲基吡啶 3-氯-2-乙酰胺基-5-三氟甲基吡啶 2,3-二氯-5-三氟甲基吡啶 2-氟-3-氯-5-三氟甲基吡啶

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Interaction of Genotype,Environment,and Management on Organ-Specific Critical Nitrogen Dilution Curve in Wheat

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Plant Phenomics 2023年第3期5卷 612-625页

作者： Bo yao xiaolong Wang Yancheng Wang Tianyang Ye Enli Wang Qiang Cao Xia yao Yan Zhu Weixing Cao Xiaojun Liu Liang Tang National Engineering and Technology Center for Information Agriculture Engineering Research Center for Smart AgricultureMinistry of EducationKey Laboratory for Crop System Analysis and Decision MakingMinistry of Agriculture and Rural AffairsJiangsu Key Laboratory for Information AgricultureJiangsu Collaborative Innovation Center for Modern Crop ProductionNanjing Agricultural UniversityNanjing 210095JiangsuPR China CSIRO Agriculture and Food Cluniess Ross StreetBlack MountainACTAustralia

The organ-specific critical nitrogen(N_(c))dilution curves are widely thought to represent a new approach for crop nitrogen(N)nutrition diagnosis,N management,and crop *** N_(c) dilution curve can be described by a power function(N_(c)=A_(1)·W^(−A2)),while parameters A_(1) and A_(2) control the starting point and *** study aimed to investigate the uncertainty and drivers of organ-specific curves under different *** using hierarchical Bayesian theory,parameters A_(1) and A_(2) of the organ-specific N_(c) dilution curves for wheat were derived and evaluated under 14 different genotype×environment×management(G×E×M)N fertilizer *** results show that parameters A_(1) and A_(2) are highly *** the variation of parameter A_(1) was less than that of A_(2),the values of both parameters can change significantly in response to G×E×*** nutrition index(NNI)calculated using organ-specific N_(c) is in general consistent with NNI estimated with overall shoot N_(c),indicating that a simple organ-specific N_(c) dilution curve may be used for wheat N diagnosis to assist N ***,the significant differences in organ-specific N_(c) dilution curves across G×E×M conditions imply potential errors in N_(c) and crop N demand estimated using a general N_(c) dilution curve in crop models,highlighting a clear need for improvement in N_(c) calculations in such *** results provide new insights into how to improve modeling of crop nitrogen–biomass relations and N management practices under G×E×M.

关键词： Wheat diagnosis starting

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The transcriptional regulators of virulence for Pseudomonas aeruginosa:Therapeutic opportunity and preventive potential of its clinical infections

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Genes & Diseases 2023年第5期10卷 2049-2063页

作者： xiaolong Shao Chunyan yao Yiqing Ding Haiyan Hu Guoliang Qian Mingliang He Xin Deng College of Plant Protection Laboratory of Plant ImmunityKey Laboratory of Integrated Management of Crop Diseases and PestsNanjing Agricultural UniversityNanjingJiangsu 210095China Department of Biomedical Sciences City University of Hong KongKowloon TongHong Kong SARChina School of Pharmaceutical Sciences Sun Yat-Sen UniversityUniversity TownGuangzhouGuangdong 510006China Tung Biomedical Sciences Centre City University of Hong KongKowloon TongHong Kong SARChina Shenzhen Research Institute City University of Hong KongShenzhenGuangdong 518057China

In Pseudomonas aeruginosa(***),transcription factors(TFs)are important mediators in the genetic regulation of adaptability and pathogenicity to respond to multiple environmental stresses and host *** *** genome harbours 371 putative TFs;of these,about 70 have been shown to regulate virulence-associated phenotypes by binding to the promoters of their target *** the past three decades,several techniques have been applied to identify TF binding sites on the *** genome,and an atlas of TF binding patterns has been *** virulence-associated regulons of TFs show complex crosstalk in ***'s regulatory *** this review,we summarise the recent literature on TF regulatory networks involved in the quorum-sensing system,biofilm formation,pyocyanin synthesis,motility,the type III secretion system,the type VI secretion system,and oxidative stress *** discuss future perspectives that could provide insights and targets for preventing clinical infections caused by *** based on the global regulatory network of transcriptional regulators.

关键词： Crosstalk Pseudomonas aeruginosa Regulatory network Transcriptional regulators Virulence

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Review of the Rheotanytarsus acerbus species group from China (Diptera: Chironomidae)

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Zoological Systematics 2024年第4期49卷 343-351页

作者： Li Sun Ruihao Wang Yuan yao Bingjiao Sun xiaolong Lin Shanghai Universities Key Laboratory of Marine Animal Taxonomy and Evolution Shanghai Ocean UniversityShanghai 201306P.R.China Engineering Research Center of Environmental DNA and Ecological Water Health Assessment Shanghai Ocean UniversityShanghai 201306P.R.China National Engineering Laboratory for Lake Pollution Control and Ecological Restoration Chinese Research Academy of Environmental SciencesBeijing 100012P.R.China

In this study,we review the Rheotanytarsus acerbus species group based on adult males from *** new species,*** Lin&yao,*** *** Lin&yao,***.,are ***(Johannsen,1932)is re-described for its new record from China.A world ... 详细信息

关键词： Tanytarsini key new species new record

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印刷行业典型挥发性有机物的排放特征与管控措施综述

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环境工程 2023年第S1期41卷 306-313,319页

作者：汪世宁崔江水罗弘宇阿里亚·阿布力海提姚小龙党培华雷雅茹高凤雨北京科技大学能源与环境工程学院北京100083 中国轻工业清洁生产和资源综合利用重点实验室(北京工商大学) 北京100048 工业典型污染物资源化处理北京市重点实验室(北京科技大学) 北京100083

挥发性有机物(VOCs)严重危害人体健康并促使空气中PM_(2.5)和O_(3)的生成。印刷行业作为VOCs的主要来源之一,正受到越来越多的关注。梳理了印刷工艺生产过程中的排污节点,通过文献调研总结了VOCs的排放特征。印刷行业VOCs主要产生于润... 详细信息

挥发性有机物(VOCs)严重危害人体健康并促使空气中PM_(2.5)和O_(3)的生成。印刷行业作为VOCs的主要来源之一,正受到越来越多的关注。梳理了印刷工艺生产过程中的排污节点,通过文献调研总结了VOCs的排放特征。印刷行业VOCs主要产生于润版、印刷、清洗和烘干等环节。排放形式、印刷产品、印刷形式和有机原辅材料的不同,使得排放的VOCs含量、种类和比例各不相同。最后总结了印刷行业VOCs的治理难点、管控政策和减排措施,以期为印刷行业VOCs的综合治理提供借鉴。

关键词：印刷行业挥发性有机物产污环节排放特征管控政策减排措施

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Review on the development of genotyping methods for assessing farm animal diversity

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Journal of Animal Science and Biotechnology 2013年第4期4卷 235-240页

作者： Wanjie Yang xiaolong Kang Qingfeng Yang yao Lin Meiying Fang Department of Animal Genetics and Breeding National Engineering Laboratory for Animal Breeding MOA Laboratory of Animal Genetics and Breeding College of Animal Science and Technology China Agricultural University College of Agriculture Ningxia University National Animal Husbandry and Veterinary Service

Advances in molecular biotechnology have introduced new generations of molecular markers for use in the genetic improvement of farm animals. Consequently, more accurate genetic information can be obtained to better understand existing animal genetic resources. This review gives a brief summary on the development of genetic markers including both the classical genetic markers and more advanced DNA-based molecular markers. This review will help us better understand the characteristics of different genetic markers and the genetic diversity of animal genetic resources.

关键词： Farm animal genetic resources Genetic evaluation Genetic markers Molecular markers

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