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Forensic Sciences Research 2020年第2期5卷 170-173页

作者： Xia Liu Lihua Fan Chongliang Ying Yibin Cheng maowen wang Department of Clinical Forensic Medicine Shanghai Key Laboratory of Forensic MedicineShanghai Forensic PlatformAcademy of Forensic ScienceShanghaiChina

Extracranial carotid artery injuries may produce severe haemorrhage,cerebral damage or arteriovenous *** of traumatic extracranial carotid-jugular fistula are not frequently reported,especially in forensic *** report a controversial case of an extracranial internal carotid-jugular fistula resulting from a stab wound to the *** degree of the injury was classified under“The Standard of Human Body Injury Assessment(2014)”(SIA)in China by forensic *** believe this case report will provide information for the forensic assessment of similar cases.

关键词： Forensic sciences carotid artery trauma extracranial internal carotid-jugular fistula injury degree assessment

A laser-engraved wearable gait recognition sensor system for exoskeleton robots

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Microsystems & Nanoengineering 2024年第2期10卷 269-277页

作者： maowen Sun Songya Cui Zezheng wang Huayu Luo Huayong Yang Xiaoping Ouyang Kaichen Xu State Key Laboratory of Fluid Power and Mechatronic Systems School of Mechanical EngineeringZhejiang UniversityHangzhou310027China School of Information and Electrical Engineering Hangzhou City UniversityHangzhou310015China

As a reinforcement technology that improves load-bearing ability and prevents injuries,assisted exoskeleton robots have extensive applications in freight transport and health *** perception of gait information by such robots is vital for their *** information is the basis for motion planning in assistive and collaborative ***,a wearable gait recognition sensor system for exoskeleton robots is *** sensor arrays based on laser-induced graphene are developed with flexibility and *** sensor units are integrated into an insole to detect real-time pressure at key plantar *** addition,the circuit hardware and the algorithm are designed to reinforce the sensor system with the capability of gait *** experimental results show that the accuracy of gait recognition by the proposed system is 99.85%,and the effectiveness of the system is further verified through testing on an exoskeleton robot.

关键词： hardware robot skeleton

Trapping and revolving micron particles by transformable line traps of optical tweezers

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Chinese Optics Letters 2022年第5期20卷 53-57页

作者： Lingyao Yu Yuan Jia Xujin Hu Shaofei wang Hongyu Chen Shuai Liu Hongchang Deng maowen wang Jun Yin Guangxi Key Laboratory of Optoelectronic Information Processing School of Optoelectronic EngineeringGuilin University of Electronic TechnologyGuilin 541004China School of Electronic Information and Electrical Engineering Huizhou UniversityHuizhou 516000China

Optical line tweezers have been an efficient tool for the manipulation of large micron particles. In this paper, we propose to create line traps with transformable configurations by using the transverse electromagnetic mode-like laser *** designed an optical path to simulate the generation of the astigmatic beams and line traps with a series of lenses to realize the rotational transformation with respect to the rotation angle of cylindrical lenses. It is shown that the spherical particles with diameters ranging from 5 μm to 20 μm could be trapped, aligned, and revolved in experiment. The periodical trapping forces generated by transformable line traps might open an alternative way to investigate the mechanical properties of soft particles and biological cells.

关键词： optical line tweezers transformable line traps optical manipulation

Diagnosis of coronary artery disease using targeted post-mortem computed tomography coronary angiography:a case report

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Forensic Sciences Research 2017年第2期2卷 107-111页

作者： Lei Wan Yu Shao Donghua Zou Ping Huang Zhengdong Li maowen wang Yijiu Chen Shanghai Key Laboratory of Forensic Science Shanghai Forensic Service PlatformDepartment of Forensic PathologyInstitute of Forensic ScienceMinistry of JusticeShanghaiChina

Targeted post-mortem computed tomography(PMCT)combined with coronary angiography has the potential to play a significant role in the investigation of sudden cardiac *** authors utilized a targeted PMCT coronary angiography in a case involving a 53-year-old man who died from acute myocardial ischemia and cardiac decompensation which may result from coronary artery disease(CAD).The victim collapsed suddenly at work and died soon after arrival to *** body was examined using PMCT and targeted PMCT coronary *** left anterior descending coronary artery exhibited 75%-100%stenosis in the middle segment;however,the distal segment could not be clearly *** addition,the left circumflex and right coronary artery exhibited calcification,atherosclerosis and an area of 50% *** of cardiogenic pulmonary oedema were also *** imaging results suggested that this individual had coronary atherosclerosis and probably died from *** autopsy and histological examination revealed acute myocardial ischemia and myocardial scarring,confirming the cause of death while excluding other *** summary,targeted post-mortem computed tomography angiography(PMCTA)can visualize the arteries and estimate the degree of principal pathological *** method is a simple,reliable and sensitive technique for identifying the presence of coronary *** is a valuable post-mortem forensic imaging method and should be recommended in the investigation of suspicious cardiac deaths.

关键词： Forensic science forensic pathology post-mortem forensic imaging PMCT PMCTA targeted coronary angiography coronary atherosclerosis

Metal-Organic Framework Enabling Poly(Vinylidene Fluoride)-Based Polymer Electrolyte for Dendrite-Free and Long-Lifespan Sodium Metal Batteries

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Energy & Environmental Materials 2024年第1期7卷 72-80页

作者： Yusi Lei Liang Yue Yuruo Qi Yubin Niu Shujuan Bao Jie Song maowen Xu Faculty of Materials and Energy Institute for Clean Energy & Advanced Materials Southwest University Shandong Zero-One-Four Advanced Materials Co. Ltd.

Sodium dentrite formed by uneven plating/stripping can reduce the utilization of active sodium with poor cyclic stability and,more importantly,cause internal short circuit and lead to thermal runaway and ***,sodium de... 详细信息

关键词： dendrite-free gel polymer electrolyte metal organic framework sodium batteries

Nano-Ni-Induced Electronic Modulation of MoS2 Nanosheets Enables Energy-Saving H2 Production and Sulfide Degradation

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Energy & Environmental Materials 2024年第3期7卷 232-239页

作者： Fan Liu Xinghong Cai Yang Tang Wenqian Liu Qianwei Chen Peixin Dong maowen Xu Yangyang Tan Shujuan Bao Institute for Clean Energy & Advanced Materials School of Materials and EnergySouthwest University

Electrocatalytic hydrogen evolution and sulfion (S2-) recycling are promising strategies for boosting H2production and removing environmental ***,a nano-Ni-functionalized molybdenum disulfide （MoS2）nanosheet was assembled on steel mesh （Ni-MoS2/SM） for use in sulfide oxidation reaction-assisted,energy-saving *** and theoretical calculation results revealed that anchoring nano-Ni on highsurface-area slack MoS2 nanosheets not only optimized catalyst adsorption of polysulfides but also played an important role in promoting hydrogen evolution reaction kinetics by absorbing OHad,thereby greatly enhancing the catalytic performance toward sulfide oxidation reaction and hydrogen evolution ***,the Ni/MoS2-based hydrogen evolution reaction+sulfide oxidation reaction system achieved nearly 100%hydrogen production efficiency and only consumed 61%less power per kWh than the oxygen evolution reaction+hydrogen evolution reaction system,which suggested our proposed Ni-MoS2and novel hydrogen production system are promising for sustainable energy production.

关键词： hydrogen evolution reaction low energy consumption molybdenum disulfide sulfide oxidation reaction

ZnO Additive Boosts Charging Speed and Cycling Stability of Electrolytic Zn–Mn Batteries

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Nano-Micro Letters 2024年第4期16卷 293-304页

作者： Jin Wu Yang Tang Haohang Xu Guandie Ma Jinhong Jiang Changpeng Xian maowen Xu Shu‑Juan Bao Hao Chen Institute for Clean Energy&Advanced Materials School of Materials and EnergySouthwest UniversityChongqing 400715People’s Republic of China

Electrolytic aqueous zinc-manganese(Zn–Mn) batteries have the advantage of high discharge voltage and high capacity due to two-electron reactions. However, the pitfall of electrolytic Zn–Mn batteries is the sluggish deposition reaction kinetics of manganese oxide during the charge process and short cycle life. We show that, incorporating ZnO electrolyte additive can form a neutral and highly viscous gel-like electrolyte and render a new form of electrolytic Zn–Mn batteries with significantly improved charging capabilities. Specifically, the ZnO gel-like electrolyte activates the zinc sulfate hydroxide hydrate assisted Mn^(2+) deposition reaction and induces phase and structure change of the deposited manganese oxide(Zn_(2)Mn_(3)O_8·H_(2)O nanorods array), resulting in a significant enhancement of the charge capability and discharge efficiency. The charge capacity increases to 2.5 mAh cm^(-2) after 1 h constant-voltage charging at 2.0 V vs. Zn/Zn^(2+), and the capacity can retain for up to 2000 cycles with negligible attenuation. This research lays the foundation for the advancement of electrolytic Zn–Mn batteries with enhanced charging capability.

关键词： Electrolytic aqueous zinc-manganese batteries Electrolyte pH value ZnO electrolyte additive Fast constant-voltage charging ability

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一种新颖的宽频带双极化基站单元天线研究

现代雷达 2014年第4期36卷 56-60页

作者：汪茂稳周恒郭宝平深圳大学信息工程学院广东深圳518060 华中科技大学光学与电子信息学院武汉430074

提出了一种新颖的宽频带双极化方形偶极子基站天线单元,该天线单元由圆柱形支撑座、方形偶极子单元、改进的双倒L型馈电线以及反射板组成。仿真和测试结果显示,在1.69 GHz^3.16 GHz频段内,两个端口处的电压驻波比(VSWR)均小于1.5,其中,... 详细信息

提出了一种新颖的宽频带双极化方形偶极子基站天线单元,该天线单元由圆柱形支撑座、方形偶极子单元、改进的双倒L型馈电线以及反射板组成。仿真和测试结果显示,在1.69 GHz^3.16 GHz频段内,两个端口处的电压驻波比(VSWR)均小于1.5,其中,在所需要的工作频段1.71 GHz^2.69 GHz内,两端口的VSWR均小于1.4,隔离度小于-30 dB,交叉极化比均小于-29 dB,最大增益为10.6 dB,在整个宽频带内具有较为稳定的方向图和增益。同时,该天线经过改进后重量轻,馈线可调性好,安装简单易实现。

关键词：基站天线宽频带双极化双倒L型馈电

基于GIS可视化平台的高速公路建设形象进度系统开发

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公路工程 2009年第3期34卷 170-174页

作者：王茂文湖南省常吉高速公路建设开发有限公司湖南常德415003

应用GIS技术建立以平纵对比电子地图为基础的信息导航平台,提出了道路三维整体建模与简化方法,实现了道路场景的实时动态交互式浏览,将三维仿真与GIS集成,构建出工程进度信息录入、查询及形象展示的可视化平台,在此基础上建立了各种工... 详细信息

应用GIS技术建立以平纵对比电子地图为基础的信息导航平台,提出了道路三维整体建模与简化方法,实现了道路场景的实时动态交互式浏览,将三维仿真与GIS集成,构建出工程进度信息录入、查询及形象展示的可视化平台,在此基础上建立了各种工程信息模型,实现了公路工程建设进度的远程实时查询及形象展示,并在常吉、广巴等高速公路的建设中成功应用。

关键词： GIS 施工管理形象进度三维可视化

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公路三维实时交互式可视化技术研究

公路工程 2009年第2期34卷 161-164页

作者：王茂文湖南省常吉高速公路建设开发有限公司湖南常德415003

基于分割—归并思想建立了公路路线三维模型,应用视锥截取、LoD技术实现了路线三维模型的视相关简化,在此基础上,应用真实感图形绘制技术,实现了公路三维场景的实时动态交互式浏览,并在高速公路建设管理中获得了成功应用。

关键词：道路工程三维可视化实时显示