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Journal of Bionic Engineering 2007年第2期4卷 123-131页

作者： Hai-bo jiang College of Mechanic and Electrical Engineering China University of Mining and Technology Xuzhou 221008 P. R. China

Four different structural models of artificial joints were developed and the finite element method （FEM） was employed to investigate their mechanical characteristics under static and dynamic conditions. The materials used in the FEM calculation were ultra-high molecular weight polyethylene （UHMWPE）, 316L stainless steel, CoCrMo alloy and Ti6A14V alloy. The stress distribution, strain, and elastic deformation under static and dynamic conditions were obtained. Analysis and comparison of the ~alculation results of different models were conducted. It is shown that with the same parameters the model of a metallic femur head covered with an artificial cartilage layer is more similar to the structure of the natural human joint and its mechanical characteristics are the best of the four models.

关键词： finite element analysis stress articular joint

A PROJECTION-TYPE METHOD FOR SOLVING VARIOUS WEBER PROBLEMS

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Journal of Computational Mathematics 2006年第4期24卷 527-538页

作者： Jian-lin jiang bo Chen Department of Mathematics Nanjing University Nanjing 210093 China

This paper investigates various Weber problems including unconstrained Weber problems and constrained Weber problems under l1, l2 and l∞-norms. First with a transformation technique various Weber problems are turned into a class of monotone linear variational inequalities. By exploiting the favorable structure of these variational inequalities, we present a new projection-type method for them. Compared with some other projection-type methods which can solve monotone linear variational inequality, this new projection-type method is simple in numerical implementations and more efficient for solving this class of problems; Compared with some popular methods for solving unconstrained Weber problem and constrained Weber problem, a singularity would not happen in this new method and it is more reliable by using this new method to solve various Weber problems.

关键词： Linear variational inequality Various Weber problems Projection-type method Slack technique.

Comparative Study on Soot Reduction, Soot Nanostructure and Oxidation Reactivity of n-heptane/DMC and Isooctane/DMC Inverse Diffusion Flames

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Journal of Thermal Science 2020年第5期29卷 1269-1281页

作者： jiang bo PALADPOKKRONG Chutikarn LIU Dong MIIT Key Laboratory of Thermal Control of Electronic Equipment School of Energy and Power EngineeringNanjing University of Science and TechnologyNanjing 210094China Advanced Combustion Laboratory School of Energy and Power EngineeringNanjing University of Science and TechnologyNanjing 210094China jiangsu Province Key Laboratory of Aerospace Power System Nanjing 210016China

Dimethyl carbonate(DMC)is an environmentally oxygenated compound which can be used efficiently for soot *** paper compared the soot reduction,soot nanostructure and oxidation reactivity from inverse diffusion flames(IDFs)of the hydrocarbon fuels,namely n-heptane and isooctane doped with *** of DMC additions on soot reduction were *** addition is more effective for the soot reduction of n-heptane/DMC IDF than isooctane/DMC *** morphology and nanostructures of soot particles were investigated by Transmission Electron Microscopy(TEM)and High Resolution TEM(HRTEM),and the soot graphitization and oxidation reactivity were analyzed by X-ray Diflfraction(XRD)and Thermogravimetric Analyzer(TGA),*** results of HRTEM images showed that many larger aggregates were observed for the structures of soot particles from IDFs with DMC *** soot particles exhibited more liquid-like material,more amorphous,higher disorganized layers,and less graphitic than that of IDFs without DMC *** increasing of DMC blending rate,soot particles changed younger to have shorter fringe length,higher tortuosity,and greater fringe *** on the XRD and TGA results,the degree of the soot graphitization level decreased;the soot mass lost significantly faster,and the soot become more reactive.

关键词： inverse diffusion flame n-heptane/DMC isooctane/DMC soot reduction soot nanostructure oxidation reactivity

Effects of Magnetic Fields on Morphology and Nanostructure Evolution of Incipient Soot Particles from n-heptane/2,5-dimethylfuran Inverse Diffusion Flames

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Journal of Thermal Science 2020年第3期29卷 820-839页

作者： jiang bo WANG Pengfei LIU Dong MIIT Key Laboratory of Thermal Control of Electronic Equipment School of Energy and Power EngineeringNanjing University of Science and TechnologyNanjing 210094China Advanced Combustion Laboratory School of Energy and Power EngineeringNanjing University of Science and TechnologyNanjing 210094China jiangsu Province Key Laboratory of Aerospace Power System Nanjing 210016China

Differences of the morphology and nanostructure evolution of incipient soot particles generated in n-heptane/2,5-dimethylfuran(DMF)inverse diffusion flames(IDFs)with/without magnetic fields were *** a high resolution transmission electron spectroscopy,the morphology and nanostructures of soot sampled from spatial locations at different heights in IDFs were *** graphitization and the oxidation reactivity of soot were tested by an X-ray diffraction and a thermogravimetric analyzer,*** demonstrated that the magnetic force on paramagnetic species,such as oxygen molecules,can modify the soot formation and *** incipient soot particles with larger diameters appeared in chains or branches or tufted forms on the flame wing region and the higher position than that on the flame centerline region and the lower *** magnetic fields,greater amounts of clustered soot particles displayed more crowded distribution and larger *** particles with typical structures of the core-shell were promoted to own more orderly bordered lamellae with longer fringe length and smaller fringe tortuosity by the magnetic force acting on oxygen at the same sample *** modifications resulted in relatively larger diffraction angle of the peak,higher graphitization degree and slightly lower oxidation reactivity of soot.

关键词： magnetic fields incipient soot particle n-heptane/DMF morphology nanostructure evolution

降雨诱发国道G326顺层滑坡破坏与运动过程研究

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三峡大学学报（自然科学版） 2025年第1期47卷 44-49页

作者：刘仕洪宋琨郭磊曹俊姜波贵州省铜仁公路管理局贵州铜仁554200 三峡大学防灾减灾湖北省重点实验室湖北宜昌443002 贵州省交通规划勘察设计研究院股份有限公司贵阳550081

贵州省国道G326松桃县甘龙镇石板村田堡组顺层滑坡是2020年强降雨诱发的滑坡灾害.在对滑坡变形破坏特征调查的基础上,分析了强降雨诱发滑坡滑动破坏的成因.采用物质点法(materialpointmethod,MPM)进行了滑坡运动过程的模拟,揭示了滑坡... 详细信息

贵州省国道G326松桃县甘龙镇石板村田堡组顺层滑坡是2020年强降雨诱发的滑坡灾害.在对滑坡变形破坏特征调查的基础上,分析了强降雨诱发滑坡滑动破坏的成因.采用物质点法(materialpointmethod,MPM)进行了滑坡运动过程的模拟,揭示了滑坡运动的速度和冲击荷载等变化规律.结果表明:国道G326滑坡是受2020年7月8日的强降雨诱发的中型顺层岩质滑坡,在8日4时的小时降雨量为96.2mm后约3h发生整体滑移破坏;物质点法能够较真实地模拟滑坡的运动、堆积过程,模拟的堆积体形态与滑坡破坏调查情况基本一致;滑坡岩土体的最大滑动速度为27m/s,最大滑动动能为1.8×109J(15s左右),最大冲击力为37.98×106kN,位于距滑坡后缘约230m处.该研究对国道G326沿线类似滑坡灾害的风险防控具有参考价值和工程借鉴意义.

关键词：降雨滑坡顺层滑动运动过程模拟物质点法冲击荷载

Aerobic glycolysis and high level of lactate in cancer metabolism and microenvironment

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Genes & Diseases 2017年第1期4卷 25-27页

作者： bo jiang Department of Oncology Avis General HospitalBeijingChina

Metabolic abnormalities is a hallmark of *** 100 years ago,Nobel laureate Otto Heinrich Warburg first described high rate of glycolysis in cancer *** more and more novel opinions about cancer metabolism supplement to this hypothesis,consist of glucose uptake,lactic acid generation and secretion,acidification of the microenvironment and cancer immune *** we briefly review metabolic pathways generating lactate,and discuss the function of higher lactic acid in cancer microenvironments.

关键词： Aerobic glycolysis Cancer metabolism Glucose metabolism Immune escape Lactate

Indirect Adaptive Fuzzy and Impulsive Control of Nonlinear Systems

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International Journal of Automation and computing 2010年第4期7卷 484-491页

作者： Hai-bo jiang School of Mathematics Yancheng Teachers University Yancheng 224002 PRC

The problem of indirect adaptive fuzzy and impulsive control for a class of nonlinear systems is investigated. Based on the approximation capability of fuzzy systems, a novel adaptive fuzzy and impulsive control strategy with supervisory controller is developed. With the help of a supervisory controller, global stability of the resulting closed-loop system is established in the sense that all signals involved are uniformly bounded. Furthermore, the adaptive compensation term of the upper bound function of the sum of residual and approximation error is adopted to reduce the effects of modeling error. By the generalized Barbalat＇s lemma, the tracking error between the output of the system and the reference signal is proved to be convergent to zero Asymptotically. Simulation results illustrate the effectiveness of the proposed approach.

关键词： Fuzzy control adaptive control impulsive control generalized Barbalat's lemma.

CO_(2) capture by modified clinoptilolite and its regeneration performance

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International Journal of Coal Science & Technology 2024年第2期11卷 81-90页

作者： bo jiang bo Zhang Xuqin Duan Yi Xing School of Energy and Environmental Engineering University of Science and Technology BeijingBeijing 100083China Beijing Key Laboratory of Resource-Oriented Treatment of Industrial Pollutants University of Science and Technology BeijingBeijing 100083China YangQuan Coal Industry(Group)Co.Ltd. Yangquan 045000China School of Civil and Resource Engineering University of Science and Technology BeijingBeijing 100083China

This study focuses on CO_(2) capture by pressure swing adsorption(PSA),with modified clinoptilolite as the *** clinoptilolite is modified by roasting,by acid pickling,by a combination of acid pickling and roasting,and by ion *** by acid pickling-roasting and by ion exchange are found to give the highest CO_(2) adsorption capacities,of 730 mL/g and 876.7 mL/g,*** is found that regeneration of clinoptilolite by a combination of vacuum desorption and heating enables recovery of as much as 89%of its previous CO_(2) adsorption *** examine the CO_(2) adsorption capacity of clinoptilolite when applied to mixed gas,a simulated coking exhaust containing 12%CO_(2) and 4%O_(2) is used,and it is found that ion exchange modified clinoptilolite achieves a CO_(2) removal efficiency of 92.5%.A BET test reveals that acid pickling-roasting and Na^(+) modification enhance the porosity of clinoptilolite,thereby improving its adsorption *** work demonstrates the feasibility of applying modified clinoptilolite as an effective adsorbent for COO_(2)capture,providing a promising tool for dealing with greenhouse gases.

关键词： Clinoptilolite Carbon dioxide capture Pressure swing adsorption(PSA)

Cybersecurity Named Entity Recognition Using Bidirectional Long Short-Term Memory with Conditional Random Fields

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Tsinghua Science and Technology 2021年第3期26卷 259-265页

作者： Pingchuan Ma bo jiang Zhigang Lu Ning Li Zhengwei jiang School of Cyber Security University of Chinese Academy of SciencesBeijing 100049China Institute of Information Engineering Chinese Academy of SciencesBeijing 100093China

Network texts have become important carriers of cybersecurity information on the *** texts include the latest security events such as vulnerability exploitations,attack discoveries,advanced persistent threats,and so *** cybersecurity entities from these unstructured texts is a critical and fundamental task in many cybersecurity ***,most Named Entity Recognition(NER)models are suitable only for general fields,and there has been little research focusing on cybersecurity entity extraction in the security *** this end,in this paper,we propose a novel cybersecurity entity identification model based on Bidirectional Long Short-Term Memory with Conditional Random Fields(Bi-LSTM with CRF)to extract security-related concepts and entities from unstructured *** model,which we have named XBi LSTM-CRF,consists of a word-embedding layer,a bidirectional LSTM layer,and a CRF layer,and concatenates X input with bidirectional LSTM *** extensive experiments on an open-source dataset containing an office security bulletin,security blogs,and the Common Vulnerabilities and Exposures list,we demonstrate that XBi LSTM-CRF achieves better cybersecurity entity extraction than state-of-the-art models.

关键词： security blogs Long Short-Term Memory(LSTM) Named Entity Recognition(NER)

基于县域尺度的黑龙江省乡村人地系统耦合测度及其时空演化分析

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水土保持研究 2025年第1期32卷 347-357页

作者：左文洁李玉恒杜国明 Monika Stanny 姜博东北农业大学公共管理与法学院中国科学院地理科学与资源研究所中国科学院大学资源与环境学院波兰科学院农村与农业发展研究所

[目的]探究乡村人地系统耦合协调，为乡村可持续发展，协调乡村人地关系，推进实施乡村振兴战略提供决策参考。[方法]利用空间热点分析、耦合协调度模型等方法研究了黑龙江省2000—2020年乡村人地时空演化热点及耦合特征。[结果](1) 200... 详细信息

[目的]探究乡村人地系统耦合协调，为乡村可持续发展，协调乡村人地关系，推进实施乡村振兴战略提供决策参考。[方法]利用空间热点分析、耦合协调度模型等方法研究了黑龙江省2000—2020年乡村人地时空演化热点及耦合特征。[结果](1) 2000—2020年黑龙江省乡村人口呈持续下降的趋势，与此同时，耕地和以农村居民点用地为主的建设用地呈现出小幅度增加的趋势，以工业、交通用地为主的建设用地快速扩张。(2)研究期内，黑龙江省耕地变化的热点区呈现由西向东转变的趋势，建设用地变化的热点区呈现出逐渐向东、西部扩散的趋势，乡村人口变化的热点区呈现由南部向北部转变的趋势。(3)黑龙江省乡村人地耦合协调水平整体呈小幅度上升趋势，但大多区县仍处于严重失衡和濒临失调状态。“人口—耕地”协调度由0.34上升至0.38,“人口—建设用地”协调度由0.44上升至0.50。[结论]2000年以来，黑龙江省乡村人地关系不协调的趋势凸显，制约了乡村可持续发展。调控措施包括科学引导人才回流，因地制宜发挥高耦合协调地区的辐射和带动作用，提高中低耦合协调地区的产业多元化程度和政策支持力度等。

关键词：人地耦合乡村振兴可持续发展