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一种虚实结合的工控安全实训靶场平台设计

信息安全研究 2024年第1期10卷 75-80页

作者：卢列文路丹舒马跃强工业和信息化部电子第五研究所广州511370 绿盟科技集团股份有限公司北京100089

针对目前实体工控安全实训靶场不能开展多人同时在线操作的实验教学、攻防比赛、红蓝对抗,以及虚拟工控安全实训靶场不能基于应用层和实体设备开展攻击演示、漏洞扫描与挖掘、安全研究等问题.设计了一种虚实结合的工控安全实训靶场平台... 详细信息

针对目前实体工控安全实训靶场不能开展多人同时在线操作的实验教学、攻防比赛、红蓝对抗,以及虚拟工控安全实训靶场不能基于应用层和实体设备开展攻击演示、漏洞扫描与挖掘、安全研究等问题.设计了一种虚实结合的工控安全实训靶场平台,通过融合实体设备仿真和虚拟化应用层仿真的能力,满足用户开展实验教学、攻防演练、红蓝对抗、漏洞扫描与挖掘、攻击效果演示以及安全研究等工作,为今后我国工控安全实训靶场建设提供参考依据.

关键词：工控安全实训靶场靶场平台虚拟化人才培养攻防演练科研测试

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Characteristic wavelength selection of volatile organic compounds infrared spectra based on improved interval partial least squares

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Journal of Innovative Optical Health Sciences 2019年第2期12卷 35-53页

作者： Wei Ju Changhua lu Yujun Zhang Weiwei Jiang Jizhou Wang Yi Bing lu Feng hong School of Computer and Information Hefei University of Technology HefeiAnhui 230009P.R.China Anhui Institute of Optics Fine Mechanics Chinese Academy of Sciences HefeiAnhui 230031P.R.China

As important components of air pollutant,volatile organic compounds(VOCs)can cause great harm to environment and human *** concentration change of VOCs should be focused on in real-time environment monitoring *** order to solve the problem of wavelength redundancy in full spectrum partial least squares(PLS)modeling for VOCs concentration analysis,a new method based on improved interval PLS(iPLS)integrated with Monte-Carlo sampling,called iPLS-MC method,was proposed to select optimal characteristic wavelengths of VOCs *** method uses iPLS modeling to preselect the characteristic wavebands of the spectra and generates random wavelength combinations from the selected wavebands by Monte-Carlo *** wavelength combination with the best prediction result in regression model is selected as the characteristic wavelengths of the *** wavelength selection methods were built,respectively,on Fourier transform infrared(FTIR)spectra of ethylene and ethanol gas at different concentrations obtained in the *** the interval number of iPLS model is set to 30 and the Monte-Carlo sampling runs 1000 times,the characteristic wavelengths selected by iPLS-MC method can reduce from 8916 to 10,which occupies only 0.22%of the full spectrum *** the RMSECV and correlation coefficient(Rc)for ethylene are 0.2977 and 0.9999 ppm,and those for ethanol gas are 0.2977 ppm and *** experimental results show that the iPLS-MC method can select the optimal characteristic wavelengths of VOCs FTIR spectra stably and effectively,and the prediction performance of the regression model can be significantly improved and simplified by using characteristic wavelengths.

关键词： Ambient air monitoring Fourier transform infrared spectra analysis variable selection interval partial least square Monte-Carlo sampling

Propulsion Principles of Water Striders in Sculling Forward through Shadow Method

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Journal of Bionic Engineering 2018年第3期15卷 516-525页

作者： hongyu lu Yelong Zheng Wei Yin Dashuai tao Noshir Pesika Yonggang Meng Yu Tian State Key Laboratory of Tribology Tsinghua University Beijing 100084 China State Key Laboratory of Precision Measuring Technology and Instrument Tianjin University Tianjin 300072 China lubrication and Friction Testing Center Tianjin Research Institute for Advanced Equipment Tsinghua University Tianjin 300300 China Chemical & Biomolecular Engineering Department Tulane University New Orleans 70112 USA

Semi-aquatic arthropods skate on water surfaces with synergetic actions of their legs. The sculling forward locomotion of water striders was observed and analyzed in situ to understand and reproduce the abovementioned feature. The bright-edged elliptical shadows of the six legs of a water strider were recorded to derive the supporting force distributions on legs. The propulsion principles of water striders were quantitatively disclosed. A typical sculling forward process was accomplished within approximately 0.15 s. Water striders lifted their heads slightly and supported their weight mainly by the two driving legs to increase the propulsion force and reduce the water resistance during the process. The normalized thrust-area ratio （defined as the ratio of the propulsion force to the projected area） was usually lower than 0.4 after sculling for approximately 0.08 s. The entire normal supporting force remained nearly constant during a stroke to reduce the mass center fluctuation in the normal direction. In addition, water striders could easily control the locomotion direction and speed through the light swinging of the two hind legs as rudders. These sculling principles might inspire sophisticated biomimetic wa- ter-walking robots with high propulsion efficiency in the future.

关键词： shadow method water strider sculling forward locomotion propulsion principle

Dynamic Drought Monitoring in Guangxi Using Revised Temperature Vegetation Dryness Index

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Wuhan University Journal of Natural Sciences 2007年第4期12卷 663-668页

作者： lu Yuan tao Heping WU Hua Key Laboratory of Mountain Hazards and Surface Process Chinese Academy of Sciences / Institute of Mountain Hazards and Environment Chinese Academy of Sciences Chengdu 610041 Sichuan China Faculty of Resources and Environmental Sciences Guangxi Teachers Education University Nanning 530001 Guangxi China

Moderate resolution imaging spectroradiometer （MODIS） data are very suitable for vast extent, long term and dynamic drought monitoring for its high temporal resolution, high spectral resolution and moderate spatial resolution. The composite Enhanced Vegetation Index （EVI） and composite land surface temperature （Ts） obtained from MODIS data MOD11A2 and MOD13A2 were used to construct the EVI-Ts space. And Temperature Vegetation Dryness Index （TVDI） was calculated to evaluate the agriculture drought in Guangxi province, China in October of 2006. The results showed that the drought area in Guangxi was evidently increasing and continuously deteriorating from the middle of September to the middle of November. The TVDI, coming from the EVI-Ts space, could effectively indicate the spatial distribution and temporal evolution of drought, so that it could provide a strong technical support for the forecasting agricultural drought in south China.

关键词： moderate resolution imaging spectroradiometer (MODIS) enhanced vegetation index land surface temperature temperature vegetation dryness index

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载体材料对微生物自修复效果的影响

材料科学与工程学报 2024年第4期42卷 680-691页

作者：路伟胡思斯王亚妹姜鲁宁夏大学土木与水利工程学院宁夏银川750021 宁夏大学建筑学院宁夏银川750021

本文从载体材料(有机材料、无机材料和混凝土自身组成材料)的本身性质出发,论述了载体的自修复触发机理、掺量、微生物固载方式等对混凝土裂缝自修复效果的影响。在分析各载体材料优缺点及其对裂缝修复效果影响的基础上,对微生物矿化的... 详细信息

本文从载体材料(有机材料、无机材料和混凝土自身组成材料)的本身性质出发,论述了载体的自修复触发机理、掺量、微生物固载方式等对混凝土裂缝自修复效果的影响。在分析各载体材料优缺点及其对裂缝修复效果影响的基础上,对微生物矿化的自修复混凝土载体材料和自修复效果表征方法的发展方向进行展望。

关键词：自修复混凝土微生物矿化载体裂缝

间接法树脂高嵌体修复与直接法树脂填充修复治疗磨牙残冠的疗效比较

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中国医疗美容 2024年第8期14卷 95-98页

作者：杨红刘俊兰卢翼悦南平市第一医院口腔科福建南平353000

目的分析间接法树脂高嵌体修复与直接法树脂填充修复治疗磨牙残冠的临床效果。方法按照治疗方法不同,将2022年1月至2023年12月南平市第一医院收治的80例磨牙残冠修复治疗患者分为2组,对照组40例患者实施直接法树脂填充修复,观察组40... 详细信息

目的分析间接法树脂高嵌体修复与直接法树脂填充修复治疗磨牙残冠的临床效果。方法按照治疗方法不同,将2022年1月至2023年12月南平市第一医院收治的80例磨牙残冠修复治疗患者分为2组,对照组40例患者实施直接法树脂填充修复,观察组40例患者实施间接法树脂高嵌体修复。比较两组患者地修复效果。结果观察组患者修复成功率与生活质量评分均高于对照组(P<0.05)。结论磨牙残冠采取间接法树脂高嵌体修复,可以提升修复美观度,且并发症少,效果显著,值得临床广泛推广及应用。

关键词：间接法树脂高嵌体修复直接法树脂填充修复磨牙残冠美观度并发症

Numerical Simulation of Non-Linear Schrodinger Equations in Arbitrary Domain by the Localized Method of Approximate Particular Solution

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Advances in Applied Mathematics and Mechanics 2019年第1期11卷 108-131页

作者： Yongxing hong Jun lu Ji Lin Wen Chen State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering International Center for Simulation Software in Engineering and SciencesCollege of Mechanics and MaterialsHohai UniversityNanjing 211100China Nanjing Hydraulic Research Institute Hujuguan 34 RoadNanjing 210024China State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering Nanjing 210098China

The aim of this paper is to propose a fast meshless numerical scheme for the simulation of non-linear Schrodinger *** the proposed scheme,the implicit-Euler scheme is used for the temporal discretization and the localized method of approximate particular solution(LMAPS)is utilized for the spatial *** multiple-scale technique is introduced to obtain the shape parameters of the multiquadric radial basis function for 2D problems and the Gaussian radial basis function for 3D *** numerical examples are carried out to verify the accuracy and efficiency of the proposed *** with well-known techniques,numerical results illustrate that the proposed scheme is of merits being easy-to-program,high accuracy,and rapid convergence even for long-term *** results also indicate that the proposed scheme has great potential in large scale problems and real-world applications.

关键词： Schrodinger equation Localized method of approximate particular solution Shape parameters Multiple-scale technique

复方卡比多巴和多巴丝肼的药代动力学和药效学比较研究

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中国临床药理学杂志 2024年第2期40卷 254-258页

作者：温广鑫闫磊刘卫国肖红李泰平鲁明南京医科大学附属脑科医院神经内科江苏南京210029 南京医科大学附属脑科医院神经精神病学研究所江苏南京210029 南京医科大学第四附属医院急诊医学科江苏南京210031 南京医科大学基础医学院江苏南京210000

目的研究复方卡比多巴(左旋多巴/卡比多巴为250 mg/25 mg)和多巴丝肼(左旋多巴/苄丝肼为200 mg/50 mg)在帕金森病(PD)患者中的药代动力学及药效学特点。方法本试验用左旋多巴冲击实验,随机入组和交叉试验设计。20例PD患者第1周分别空腹... 详细信息

目的研究复方卡比多巴(左旋多巴/卡比多巴为250 mg/25 mg)和多巴丝肼(左旋多巴/苄丝肼为200 mg/50 mg)在帕金森病(PD)患者中的药代动力学及药效学特点。方法本试验用左旋多巴冲击实验,随机入组和交叉试验设计。20例PD患者第1周分别空腹口服复方卡比多巴275 mg或多巴丝肼250 mg,第2周接受另一种药物治疗。用高效液相色谱-串联质谱法检测左旋多巴血药浓度,用国际运动障碍协会帕金森病统一评分量表Ⅲ评估运动症状。结果有17例复方卡比多巴组和18例多巴丝肼组的患者数据纳入分析。服药后,复方卡比多巴组和多巴丝肼组的Cmax分别为(3563.76±1003.06)和(3642.44±1192.70)ng·mL^(-1),t_(max)分别为(1.10±0.44)和(1.03±0.55)h,t_(1/2)分别为(1.52±0.15)和(1.68±0.27)h,AUC_(0-t)分别为(7625.19±1706.85)和(5846.07±1191.16)ng·mL^(-1)·h,平均驻留时间(MRT)分别为(2.39±0.36)和(2.14±0.37)h。2组患者的C_(max)、t_(max)和t1/2比较,在统计学上差异均无统计学意义(均P>0.05);与多巴丝肼组相比,复方卡比多巴组中左旋多巴的AUC明显增加,MRT明显延长(均P<0.05)。2组各个时间点的运动症状改善和左旋多巴血药浓度呈现出较为一致的变化趋势,复方卡比多巴组在服药后第6和8小时的运动功能改善均显著优于多巴丝肼组[(-10.82±8.91)vs(-5.17±6.78)分,(-7.88±10.05)vs(-2.11±4.84)分;均P<0.05]。结论复方卡比多巴的药代动力学和药效学特点与多巴丝肼类似。

关键词：卡比多巴多巴丝肼苄丝肼帕金森病药代动力学

Urban energy consumption and related carbon emission estimation： a study at the sector scale

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Frontiers of Earth Science 2013年第4期7卷 480-486页

作者： Weiwei lu Chen CHEN Meirong SU Bin CHEN Yanpeng CAI tao XING State Key Joint Laboratory of Environment Simulation and Pollution Control School of Environment Beijing Normal University Beijing 100875 China Institute for Energy Environment and Sustainable Communities University of Regina Regina S4S 7H9 Canada Beijing Yanqing District Development and Reform Commission Beijing 102100 China

With rapid economic development and energy consumption growth, China has become the largest energy consumer in the world. Impelled by extensive international concern, there is an urgent need to analyze the character- istics of energy consumption and related carbon emission, with the objective of saving energy, reducing carbon emission, and lessening environmental impact. Focusing on urban ecosystems, the biggest energy consumer, a method for estimating energy consumption and related carbon emission was established at the urban sector scale in this paper. Based on data for 1996-2010, the proposed method was applied to Beijing in a case study to analyze the consumption of different energy resources （i.e., coal, oil, gas, and electricity） and related carbon emission in different sectors （i.e., agriculture, industry, construction, transportation, household, and service sectors）. The results showed that coal and oil contributed most to energy consumption and carbon emission among different energy resources during the study period, while the industrial sector consumed the most energy and emitted the most carbon among different sectors. Suggestions were put forward for energy conservation and emission reduction in Beijing. The analysis of energy consumption and related carbon emission at the sector scale is helpful for practical energy saving and emission reduction in urban ecosystems.

关键词： energy consumption carbon emission urban sector Beijing