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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 *** 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

Transition metal carbides in electrocatalytic oxygen evolution reaction

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Chinese Chemical Letters 2021年第1期32卷 291-298页

作者： Huaping Wang sheng zhu jiwei Deng Wenchao Zhang Yuezhan Feng Jianmin ma State Key Laboratory of High-Performance Complex manufacturing College of Mechanical and Electrical EngineeringCentral South UniversityChangsha 410083.China School of Physics and Electronics Hunan UniversityChangsha 410082China Hunan Chengjin Elevator Parts manufacturing Co. Ltd.Yueyang 414500China Institute for Superconducting and Electronic materials(ISEM) School of MechanicalMaterialsMechatronics&Biomedical EngineeringFaculty of Engineering and Information SciencesUniversity of WollongongNSW 2500Australia Key Laboratory of materials Processing and Mold(Zhengzhou University) Ministry of EducationZhengzhou UniversityZhengzhou 450002China

Oxygen evolution reaction(OER) is admitted to an important half reaction in water splitting for sustainable hydrogen *** sluggish four-electron process is known to be the bottleneck for enhancing the efficiency of *** this regard,tremendous efforts have been devoted to developing effective catalysts for *** addition to Ir-or Ru-based oxides taken as the benchmark,transition metal carbides have attracted ever-increasing interest due to the high activity and stability as low-cost OER *** this review,the transition metal carbides for water oxidation electrocatalysis concerning design strategies and synthesis are briefly *** typical applications for various carbides are also ***,the development trends and outlook are also discussed.

关键词： Transition metals Carbides Electrocatalysis Oxygen evolution reaction Performance

基于国产化F1c100S平台的低轨卫星通导一体化终端的设计

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长江信息通信 2024年第9期37卷 175-177,183页

作者：朱晟祝世通胡俊祥高时汉马昌浩广州海格通信集团股份有限公司广东广州510627

结合当前低轨卫星互联网技术的发展趋势[1],文章旨在设计一种基于国产化F1c100S平台的低轨卫星通导一体化终端,以提升系统的整体性能和用户体验。文章通过分析低轨卫星通信和北斗导航的特点与需求,结合国产化F1c100S平台的优势,详细阐... 详细信息

结合当前低轨卫星互联网技术的发展趋势[1],文章旨在设计一种基于国产化F1c100S平台的低轨卫星通导一体化终端,以提升系统的整体性能和用户体验。文章通过分析低轨卫星通信和北斗导航的特点与需求,结合国产化F1c100S平台的优势,详细阐述了该终端的系统架构原理、关键技术、软硬件实现方案,并对终端功能进行了室内模拟载荷测试和上星试验。试验结果表明,该终端可正常实现低轨卫星通信,并具备北斗导航定位功能,性能达到了预期设计要求。文章提出的基于F1c100S平台的通导一体化终端是一种有效的解决方案,可在未来的低轨卫星应用中提升系统性能和用户体验。

关键词：国产化F1c100S平台低轨卫星通信北斗导航

维普期刊数据库博看期刊

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辽宁地区葡萄不下架防寒模式探讨

辽宁农业科学 2024年第1期 77-78页

作者：朱绍坤孙凌俊高圣华马丽辽宁省果树科学研究所辽宁营口115009

葡萄下架埋土防寒一直是北方葡萄防寒区产业发展的重要制约。文中论述了辽宁地区葡萄不下架越冬的几种栽培模式,包括日光薄膜温室、塑料大棚、连栋大棚栽培中葡萄不下架越冬方法,并对比分析了其优缺点,其中塑料大棚采用二道拱防寒越冬... 详细信息

葡萄下架埋土防寒一直是北方葡萄防寒区产业发展的重要制约。文中论述了辽宁地区葡萄不下架越冬的几种栽培模式,包括日光薄膜温室、塑料大棚、连栋大棚栽培中葡萄不下架越冬方法,并对比分析了其优缺点,其中塑料大棚采用二道拱防寒越冬方法既节约了成本又能优产高产,且建造投入低,是一种较优的不下架越冬模式,在北方寒冷地区应用前景广阔,值得进一步研究、推广。

关键词：葡萄不下架越冬塑料大棚二道拱

China cardiovascular diseases report 2018: an updated summary

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Journal of Geriatric Cardiology 2020年第1期17卷 1-8页

作者： Li-Yuan ma Wei-Wei CHEN Run-Lin gao Li-sheng LIU man-Lu zhu Yong-Jun WANG Zhao-Su WU Hui-Jun LI Dong-Feng GU Yue-Jin YANG Zhe ZHENG sheng-Shou HU National Center for Cardiovascular Diseases BeijingChina Beijing Tiantan Hospital BeijingChina Beijing Anzhen Hospital BeiingChina

1 Introduction Rapid socioeconomic progress has greatly affected the lifestyle in ***,owing to lifestyle changes,urbanization,and accelerated population aging,the risk of cardiovascular diseases(CVD)has *** incidence of CVD has been increasing continuously and this upward trend is projected to continue in the next *** growing burden of CVD has become a major public health issue.

关键词： Cardiovascular diseases Heart failure Risk factors

Simultaneously quantification of ginsenoside Rb1,Rb2,Rc,Rd,Re,Rf,Rg1 in dog plasma by liquid chromatography-tandem mass spectrometry and its application in six-month toxicokinetic study of Shenmai injection

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中国药理学与毒理学杂志 2013年第3期 560-561页

作者： YU Jian GU Li-qiang XIN Yan-fei gao Hai-yan XU Pan-sheng ma zhu-feng YOU Zhen-qiang ZHANG sheng WANG Zhi XUAN Yao-xian Center of Safety Evaluation Zhejiang Academy of Medical Sciences Chiatai QingChunbao Pharmaceutical Co. Ltd.

OBJECTIVE Shenmai injection(SMI) is a kind of herbal injection widely used in China derived from SHENmaI *** is the alcohol extraction part of Panax ginseng and Ophiopogon ***’s generally accepted that ginsenosides are the major components in SMI according to their abundance and *** In order to monitor the kinetic profile of major components in SMI during long-term treatment and to further analyze its connection to toxic effect,a 6-month toxicokinetic experiment was performed in 24 beagle *** were equally and randomly divided into four groups: control group(0.9% NaCl solution per day;n = 6),low-dosage Group(2 g·kg-1 per day;n = 6),medium-dosage Group(6 g·kg-1 per day;n = 6) and High-dosage Group(20 g·kg-1 per day;n = 6).Vehicle and SMI were *** injected everyday for 180 continuous days(6 months).Blood sample were collected at 0,90,180 d after the beginning of the administration of *** concentration of ginsenoside Rb1,Rb2,Rc,Rd,Re,Rf and Rg1 in plasma were determined simultaneously for the first time by liquid chromatography-tandem mass spectrometry(LC-MS /MS) and liquid-liquid extraction ***-compartmental parameters were further simultaneously calculated and ***,the level of bodyweight,AST,ALT and CK were also monitored to evaluate the toxic effect caused by *** According to the results,significant differences existed between 20(S)-protopanaxadiol type(PPD type) and 20(S)-protopanaxatriol type(PPT type) *** accumulation of ginsenoside PPD type ginsenosides can be observed with the proceeding of the *** long-term administration of 6 g /mL and 20 ***-1 SMI caused a slowing down in the growth of bodyweights,no toxic effect could be reviewed from the level of ALT,AST and *** Although no significant toxic effect could be observed during the toxicokinetic study,the kinetic profile of PPD type ginsenoside was severely *** SMI is wild used in the co-

关键词： Shenmai injection toxicokinetics ESI-LC-MS /MS ginsenosides

A development of lifetime measurement based on the differential decay curve method

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Nuclear Science and Techniques 2018年第8期29卷 114-120页

作者： Jian Zhong Xiao-Guang Wu Ying-Jun ma Yun Zheng Cong-Bo Li Guang-sheng Li Bao-Ji zhu Tian-Xiao Li Yan-Jun Jin Yan-Xiang gao Ke-Yan ma Dong Yang Hao Guo Jia-Qi Wang Xian Guan Ji Sun China Institute of Atomic Energy Beijing 102413China College of Physics Jilin UniversityChangchun 621010China Shenyang Institute of Engineering Shenyang 110136China

A new development of indirect gating case in the differential decay curve method used for lifetime measurement has been *** gate region was extended from partial shifted peak to both shifted and unshifted *** statistics of flight and stop peaks in gating spectra was improved *** reliability of this change has been tested by reanalysing the lifetime of 2^+ state in^(134) *** result of 32.2(33) ps was fit well with the previous published values within the experimental *** developed method was also used to analyse the lifetime of 2_1^+ state in^(138) Nd.

关键词：线方法腐烂微分开发测量大小写可靠性试验性

The protecting effects and mechanism of betaine hydrochloride on hepatic ischemia-reperfusion injury in rats

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沈阳药科大学学报 2008年第S1期25卷 117-118页

作者： XIN Xiao-ming,ma Lian-long,gao Yong-feng,WANG Hao,WANG Xiao-dan,zhu Yu-yun,gao Yun-sheng(Taishan Medical College,Taian 271016,China)

Objective To study the protecting effects and mechanism of betaine hydrochloride on hepatic ischemia-reperfusion injury in *** Fourty SD rats were randomly divided into 5 groups(8 animals in each group):sham-operated control group(A),hepatic ischemia-reperfusion group(B),200 mg·kg-1 400 mg·kg-1 800 mg·kg-1 betaine hydrochloride+hepatic ischemia-reperfusion group(C、D、E).betaine hydrochloride was administered to animals byoral route in group C、D、E for 7 days before ischemia.A、B group was administered with *** the animal model of part hepatic *** alanine aminotransferase(ALT),aspartate aminotransferase(AST)levels in the blood and themalondialdehyde(MDA),superoxide dismutase(SOD),protein content in hepatic tissue were determined after the liver had been reperfused for 24 hours;the hepatic tissue was examined under lightmicroscope and the cell apoptosis was demonstrated with flow *** ALT,AST,MDA increased and SOD decreased significantly in B group when compared those in the A group(Pmaged by ischemia-reperfusion.

关键词： betaine hydrochloride hepatic ischemia-reperfusion injury protecting effects mechanism

The In-Flight Realtime Trigger and Localization Software of GECAM

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Research in Astronomy and Astrophysics 2024年第10期24卷 11-24页

作者： Xiao-Yun Zhao Shao-Lin Xiong Xiang-Yang Wen Xin-Qiao Li Ce Cai Shuo Xiao Qi Luo Wen-Xi Peng Dong-Ya Guo Zheng-Hua An Ke Gong Jin-Yuan Liao Yan-Qiu Zhang Yue Huang Lu Li Xing Wen Fei Zhang Jing Duan Chen-Wei Wang Dong-Li Shi Peng Zhang Qi-Bin Yi Chao-Yang Li Yan-Bing Xu Xiao-Hua Liang Ya-Qing Liu Da-Li Zhang Xi-Lei Sun Fan Zhang Gang Chen Huan-Yu Wang sheng Yang Xiao-Jing Liu Min gao mao-Shun Li Jin-Zhou Wang Xing Zhou Yi Zhao Wang-Chen Xue Chao Zheng Jia-Cong Liu Xing-Bo Han Jin-Ling Qi Jia Huang Ke-Ke Zhang Can Chen Xiong-Tao Yang Dong-Jie Hou Yu-Sa Wang Rui Qiao Xiang ma Xiao-Bo Li Ping Wang Xin-Ying Song Li-Ming Song Shi-Jie Zheng Bing Li Hong-Mei Zhang Yue zhu Wei Chen Jian-Jian He Zhen Zhang Jin Hou Hong-Jun Wang Yan-Chao Hao Xiang-Yu Wang Zong-Yuan Yang Zhi-Long Wen Zhi Chang Yuan-Yuan Du Rui gao Xiao-Fei Lan Yan-Guo Li Gang Li Xu-Fang Li Fang-Jun Lu Hong Lu Bin Meng Feng Shi Hui Wang Hui-Zhen Wang Yu-Peng Xu Jia-Wei Yang Xue-Juan Yang Shuang-Nan Zhang Chao-Yue Zhang Cheng-Mo Zhang Zhi-Cheng Tang Cheng Cheng Key Laboratory of Particle Astrophysics Institute of High Energy PhysicsChinese Academy of SciencesBeijing 100049China University of Chinese Academy of Sciences Chinese Academy of SciencesBeijing 100049China School of Information Science and Technology Southwest Jiaotong UniversityChengdu 611756China Key Laboratory of Stellar and Interstellar Physics and Department of Physics Xiangtan UniversityXiangtan 411105China Physics and Space Science College China West Normal UniversityNanchong 637002China Department of Astronomy Beijing Normal UniversityBeijing 100875China Innovation Academy for Microsatellites of CAS Shanghai 201203China Changchun University of Science and Technology Changchun 130022China Chinese Academy of Sciences South America Center for Astronomy National Astronomical ObservatoriesCASBeijing 100101China

Realtime trigger and localization of bursts are the key functions of GECAM,an all-sky gamma-ray monitor launched on 2020 December *** developed a multifunctional trigger and localization software operating in the CPU of the GECAM Electronic *** onboard software has the following features:high trigger efficiency for real celestial bursts with a suppression of false triggers caused by charged particle bursts and background fluctuation,dedicated localization algorithm optimized for both short and long bursts,and low time latency of the trigger information which is downlinked through the Global Short Message Communication service of the global BeiDou navigation *** paper provides a detailed description of the design and development of the trigger and localization software system for *** covers the general design,workflow,the main functions,and the algorithms used in the *** paper also includes on-ground trigger tests using simulated gamma-ray bursts generated by a dedicated X-ray tube,as well as an overview of the performance for real celestial bursts during its in-orbit operation.

关键词： telescopes instrumentation:detectors methods:observational