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大陆板片-地幔相互作用：来自大别造山带碰撞后安山质火山岩的地球化学证据

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地球科学 2019年第12期44卷 4119-4127页

作者：赵子福代富强陈启中国科学院壳幔物质与环境重点实验室中国科学技术大学地球和空间科学学院安徽合肥230026 中国科学院比较行星学卓越创新中心安徽合肥230026 中国科学院广州地球化学研究所同位素地球化学国家重点实验室广东广州510640

俯冲到地幔深度的地壳物质不可避免地在板片-地幔界面与地幔楔发生相互作用,由此形成的超镁铁质交代岩就是造山带镁铁质火成岩的地幔源区.因此,造山带镁铁质火成岩为研究俯冲地壳物质再循环和壳-幔相互作用提供了重要研究对象.为了揭示... 详细信息

俯冲到地幔深度的地壳物质不可避免地在板片-地幔界面与地幔楔发生相互作用,由此形成的超镁铁质交代岩就是造山带镁铁质火成岩的地幔源区.因此,造山带镁铁质火成岩为研究俯冲地壳物质再循环和壳-幔相互作用提供了重要研究对象.为了揭示俯冲陆壳物质再循环的机制和过程,对大别造山带碰撞后安山质火山岩开展了元素和同位素地球化学研究.这些安山质火山岩的SIMS锆石U-Pb年龄为124±3~130±2 Ma,表明其形成于早白垩世.此外,残留锆石的U-Pb年龄为中新元古代和三叠纪,分别对应于大别-苏鲁造山带超高压变火成岩的原岩年龄和变质年龄.它们具有岛弧型微量元素特征、富集的Sr-Nd-Hf同位素组成,以及变化的且大多不同于正常地幔的锆石δ^18O值.这些元素和同位素特征指示,这些安山质火山岩是交代富集的造山带岩石圈地幔部分熔融的产物.在三叠纪华南陆块俯冲于华北陆块之下的过程中,俯冲华南陆壳来源的长英质熔体交代了上覆华北岩石圈地幔楔橄榄岩,大陆俯冲隧道内的熔体-橄榄岩反应产生了富沃、富集的镁铁质地幔交代岩.这种地幔交代岩在早白垩世发生部分熔融,就形成了所观察到的安山质火山岩.因此,碰撞造山带镁铁质岩浆岩的地幔源区是通过大陆俯冲隧道内板片-地幔相互作用形成的,而加入地幔楔中长英质熔体的比例决定了这些镁铁质岩浆岩的岩石化学和地球化学成分.

关键词：安山岩碰撞造山带板片一地幔相互作用熔体一橄榄岩反应俯冲隧道地球化学.

SensFL:Privacy-Preserving Vertical Federated Learning with Sensitive Regularization

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Computer Modeling in Engineering & Sciences 2025年第1期142卷 385-404页

作者： Chongzhen Zhang Zhichen Liu Xiangrui Xu fuqiang Hu Jiao dai Baigen Cai Wei Wang School of Automation and Intelligence Beijing Jiaotong UniversityBeijing100044China Shuohuang Railway Development Co. Ltd.National Energy GroupCangzhou062350China Beijing Key Laboratory of Security and Privacy in Intelligent Transportation School of Computer Science and TechnologyBeijing Jiaotong UniversityBeijing100044China

In the realm of Intelligent Railway Transportation Systems,effective multi-party collaboration is crucial due to concerns over privacy and data *** Federated Learning(VFL)has emerged as a promising approach to facilitate such collaboration,allowing diverse entities to collectively enhance machine learning models without the need to share sensitive training ***,existing works have highlighted VFL’s susceptibility to privacy inference attacks,where an honest but curious server could potentially reconstruct a client’s raw data from embeddings uploaded by the *** vulnerability poses a significant threat to VFL-based intelligent railway transportation *** this paper,we introduce SensFL,a novel privacy-enhancing method to against privacy inference attacks in ***,SensFL integrates regularization of the sensitivity of embeddings to the original data into the model training process,effectively limiting the information contained in shared *** reducing the sensitivity of embeddings to the original data,SensFL can effectively resist reverse privacy attacks and prevent the reconstruction of the original data from the *** experiments were conducted on four distinct datasets and three different models to demonstrate the efficacy of *** results show that SensFL can effectively mitigate privacy inference attacks while maintaining the accuracy of the primary learning *** results underscore SensFL’s potential to advance privacy protection technologies within VFL-based intelligent railway systems,addressing critical security concerns in collaborative learning environments.

关键词： Vertical federated learning privacy defenses

Mutual Tolerance Ecology is a Key to Future Eco-environmental Science

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环境科学前沿（中英文版） 2015年第1期4卷 1-10页

作者： Gangcai Liu Xuemei Wang JunHangWu Yuxiao He fuqiang dai Bin Zhang Key Laboratory of Mountain Hazards and Earth Surface Processes Chinese Academy of Sciences Institute of Mountain Hazards and Environment Chinese Academy of Sciences and Ministry of Water Resources Chengdu 610041 China College of Tourism and Land Resources Chongqing Technology and Business University Chongqing 400067 China Land and Resources College China West Normal University Nanchong 610000 China University of Chinese Academy of Sciences Beijing 100039 China

Rapid Detection of Accelerants in Fire Debris Using a Field Portable Mid-Infrared Quantum Cascade Laser Based Analyzer

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Open Journal of Applied Sciences 2023年第5期13卷 746-757页

作者： Hao Huang Yongfeng Zhang fuqiang dai Xiaobo Yan Altayeb Hamdalnile Liyun Wu Tingting Zhang Haowen Li Frank Inscore Shanghai Fire Research Institute of MEM Shanghai China Micro Optical Instruments Shenzhen China Key Laboratory of Materials Physics Institute of Solid State Physics Chinese Academy of Sciences Hefei China University of Science and Technology of China Hefei China

Arson presents a challenging crime scene for fire investigators worldwide. Key to the investigation of suspected arson cases is the analysis of fire debris for the presence of accelerants or ignitable liquids. This study has investigated the application and method development of vapor phase mid-Infrared (mid-IR) spectroscopy using a field portable quantum cascade laser (QCL) based system for the detection and identification of accelerant residues such as gasoline, diesel, and ethanol in fire debris. A searchable spectral library of various ignitable fluids and fuel components measured in the vapor phase was constructed that allowed for real-time identification of accelerants present in samples using software developed in-house. Measurement of vapors collected from paper material that had been doused with an accelerant followed by controlled burning and then extinguished with water showed that positive identification could be achieved for gasoline, diesel, and ethanol. This vapor phase mid-IR QCL method is rapid, easy to use, and has the sensitivity and discrimination capability that make it well suited for non-destructive crime scene sample analysis. Sampling and measurement can be performed in minutes with this 7.5 kg instrument. This vibrational spectroscopic method required no time-consuming sample pretreatment or complicated solvent extraction procedure. The results of this initial feasibility study demonstrate that this portable fire debris analyzer would greatly benefit arson investigators performing analysis on-site.

关键词： Quantum Cascade Laser (QCL) Mid-Infrared Spectroscopy Fire Debris Analysis Gasoline Vapor Detection Ignitable Liquids

HIV Vulnerability in Out-of-School Adolescents and Youth in Yunnan, China

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World Journal of AIDS 2012年第2期2卷 48-56页

作者： Jianghong Li Lijun Yang Zhouyang Ren Chongbin Mo Dingwen Chen fuqiang dai Mingzhong Jiang Zhijie Tang Peter Jacoby Criminal Science and Technology Key Laboratory Yunnan Provincial Police Officers Academy Kunming China Curtin Health Innovation Research Institute Centre for Population Health Research Curtin University Perth Australia Telethon Institute for Child Health Research The Centre for Child Health Research The University of Western Australia Perth Australia Telethon Institute for Child Health Research The Centre for Child Health Research The University of Western Australia Perth Australia

This study investigated multiple aspects of vulnerability to HIV in out-of-school adolescents and youth in Yunnan Province, a high HIV risk region in China. The findings show that socially disadvantaged adolescents and youth were overrepresented in the out-of-school young people in Yunnan. The out-of-school young people in Yunnan exhibited 1) limited knowledge about HIV transmission and prevention, 2) a high prevalence of unprotected sexual activity, 3) high exposure to illicit drugs and alcohol use and a high prevalence of drug use in themselves, and 4) limited access to health services. There is an indication of higher exposure to risk behaviours in the younger age group. The study population used multiple media, particularly television, internet and radio, to obtain information about HIV transmission and prevention, particularly in the younger age group. These media may be an effective way of reaching this population in future HIV education and prevention programs in the region.

关键词： HIV/AIDS Education and Prevention Vulnerability Out-of-School Adolescents and Youth Yunnan China

基于AHP和信息熵的城市可持续发展动态评价

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西华师范大学学报（自然科学版） 2009年第1期30卷 80-85,96页

作者：代富强西华师范大学国土资源学院四川南充637009

从经济、社会和资源环境3个领域分析济南市可持续发展的现状,根据城市可持续发展评价指标体系的构建原则建立反映济南市经济健康程度、社会和谐程度和资源环境支持能力的评价指标体系.通过AHP(层次分析法)确定各个单项指标和综合指标的... 详细信息

从经济、社会和资源环境3个领域分析济南市可持续发展的现状,根据城市可持续发展评价指标体系的构建原则建立反映济南市经济健康程度、社会和谐程度和资源环境支持能力的评价指标体系.通过AHP(层次分析法)确定各个单项指标和综合指标的权重,并利用信息熵进行修正,计算出1997—2006年济南市可持续发展的综合指数.最后根据评价结果,分析济南市可持续发展的变化趋势,并提出对策建议.

关键词： AHP 信息熵城市可持续发展评价

Increase in the variability of terrestrial carbon uptake in response to enhanced future ENSO modulation

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Atmospheric and Oceanic Science Letters 2025年第1期18卷 32-38页

作者： Younong Li Li Dan Jing Peng Qidong Yang fuqiang Yang Key Laboratory of Regional Climate-Environment for Temperate East Asia Institute of Atmospheric PhysicsChinese Academy of SciencesBeijingChina Key Laboratory of Atmospheric Environment and Processes in the Boundary Layer over the Low-Latitude Plateau Region Department of Atmospheric ScienceYunnan UniversityKunmingChina

El Niño-Southern Oscillation(ENSO)is a major driver of climate change in middle and low latitudes and thus strongly influences the terrestrial carbon cycle through land-air *** the ENSO modulation and carbon flux variability are projected to increase in the future,but their connection still needs further *** investigate the impact of future ENSO modulation on carbon flux variability,this study used 10 CMIP6 earth system models to analyze ENSO modulation and carbon flux variability in middle and low latitudes,and their relationship,under different scenarios simulated by CMIP6 *** results show a high consistency in the simulations,with both ENSO modulation and carbon flux variability showing an increasing trend in the *** higher the emissions scenario,especially SSP5-8.5 compared to SSP2-4.5,the greater the increase in *** flux variability in the middle and low latitudes under SSP2-4.5 increases by 30.9%compared to historical levels during 1951-2000,while under SSP5-8.5 it increases by 58.2%.Further analysis suggests that ENSO influences mid-and low-latitude carbon flux variability primarily through *** occurrence may potentially be attributed to the increased responsiveness of gross primary productivity towards regional temperature fluctuations,combined with the intensified influence of ENSO on land surface temperatures.

关键词： Carbon variability ENSO modulation CMIP6 models

“交通廊道蔓延”视角下山地城市典型样带空间格局梯度分析

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生态学报 2014年第9期34卷 2442-2449页

作者：吕志强代富强周启刚重庆工商大学旅游与国土资源学院重庆400067

空间可达性的强弱在一定程度上决定着土地利用变化的方向和强度,因此交通的廊道作用对城市化进程发挥着重要作用。以重庆市轨道交通三号线沿线双侧各3000 m缓冲样带为研究区,采用面向对象分类方法将四期Landsat TM/ETM遥感影像进行土地... 详细信息

空间可达性的强弱在一定程度上决定着土地利用变化的方向和强度,因此交通的廊道作用对城市化进程发挥着重要作用。以重庆市轨道交通三号线沿线双侧各3000 m缓冲样带为研究区,采用面向对象分类方法将四期Landsat TM/ETM遥感影像进行土地利用制图,选择核密度估算、指数分析和梯度分析的空间分析方法,研究交通廊道的变化及其对区域空间格局变化的影响。研究表明,研究期内,样带空间的组分和格局发生了较为明显的变化。道路的空间变化和区域空间格局的变化表现出较为明显的梯度性:道路密度、土地利用的变化强度随距离交通主干道距离的远近依次减弱,道路密度等级范围内的土地利用变化强度随等级的降低出现由弱到强再转弱的特征。

关键词：交通蔓延核密度估算景观指数山地城市样带梯度分析

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试论生态学的一门分支学科:环境耐性生态学

生态环境学报 2009年第3期18卷 1128-1133页

作者：刘刚才张斌代富强中国科学院水利部成都山地灾害与环境研究所四川成都610041 西华师范大学国土资源学院四川南充637002 中国科学院研究生院北京100039

针对目前对生态学的学科分支情况,及生态学的发展趋势和环境灾害的启示,提出了"环境耐性生态学"这一生态学的分支学科。初步明确了这一分支学科的概念,提出了它的3个研究层次的研究框架,即耐性特征、耐性规律及提高耐性的方法与途径,指... 详细信息

针对目前对生态学的学科分支情况,及生态学的发展趋势和环境灾害的启示,提出了"环境耐性生态学"这一生态学的分支学科。初步明确了这一分支学科的概念,提出了它的3个研究层次的研究框架,即耐性特征、耐性规律及提高耐性的方法与途径,指出了它的核心思想是:把自然环境看成是具有"生命"的系统,有一定的耐性能力和自我恢复能力,也具有自然免疫的特征和能力。同时,指出了当前急需确定的3个生态环境耐性指标,即容许侵蚀量、容许施肥量和容许承载量。

关键词：生态学环境学科分支耐性