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Science China Chemistry 2024年第9期67卷 2949-2957页

作者： Zhaojian Wang Wei Zhang Wenzhong Huang Ruohan Yu changliang chen Liqiang Mai Liang Zhou State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of TechnologyWuhan 430070China Sanya Science and Education Innovation Park Wuhan University of TechnologySanya 572000China Hubei Longzhong Laboratory Wuhan University of Technology(Xiangyang Demonstration Zone)Xiangyang 441000China

Most oxygen evolution reaction(OER)electrocatalysts show poor stability under industrial alkaline conditions(20–30 wt.%KOH).Therefore,it is essential to develop stable,efficient,and low-cost OER catalysts for industrial water ***,we present a straightforward approach for the complete electrochemical reconstruction of Ni-BDC,a Ni-based metal-organic framework,for *** method involves the continuous release of Fe^(3+)from Fe foam counter electrode in a high-concentration(6.0 M,25 wt.%)KOH *** continuously Fe^(3+)releasing not only realizes in situ Fe^(3+)doping,but also introduces abundant defects in the obtained catalyst during cyclic voltammetry activation,thereby accelerating the electrochemical *** reconstructed OER catalyst(Fe-doped nickel hydroxide/oxyhydroxide nanosheets supported on Ni foam,Fe-NiO_(x)(OH)y/NF)manifests a low overpotential of 217 mV at 10 mA cm^(-2)and 263 m V at 100 m A cm^(-2)in 1.0 M ***,the Fe-NiO_(x)(OH)_(y)/NF also demonstrates high stability in 30 wt.%*** strategy of regulating the electrochemical reconstruction process sheds light on the construction of stable and efficient OER catalysts for industrial water electrolysis.

关键词： oxygen evolution reaction industrial alkaline conditions metal-organic framework complete reconstruction

Origin of a giant fuzzy reflection zone and its implication for natural gas exploration in the southwestern Qiongdongnan Basin of the South China Sea

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Journal of Oceanology and Limnology 2023年第2期41卷 710-728页

作者： Junhui YU Pin YAN Yanlin WANG Yan QIU Guanghong TU changliang chen Key Laboratory of Ocean and Marginal Sea Geology South China Sea Institute of OceanologyInnovation Academy of South China Sea Ecology and Environmental EngineeringChinese Academy of SciencesGuangzhou 510301China Southern Marine Science and Engineering Guangdong Laboratory(Guangzhou) Guangzhou 511458China Key Laboratory of Marine Geology and Environment Institute of OceanologyChinese Academy of SciencesQingdao 266071China Key Laboratory of Marine Mineral Resources Guangzhou Marine Geological SurveyChina Geological SurveyMinistry of Natural ResourcesGuangzhou 511458China University of Chinese Academy of Sciences Beijing 100049China

The southwestern depression of the Qiongdongnan Basin(QDNB)hosts thick Cenozoic sediments and awaits major hydrocarbon *** seismic(MCS)profile CFT2011 across the southwestern QDNB reveals a~60-km-wide fuzzy reflection zone(FRZ)within the sediments,but its origin and distribution remain *** ocean bottom seismometer(OBS)data of Line CFT2011 are processed with focus on the velocity structures by traveltime tomography inversion and analyzed together with the coincident and adjacent MCS *** OBS velocity results show that the giant FRZ features lower velocity with difference up to 1.5 km/s and smaller vertical velocity gradient than the surrounding sedimentary sequences at the same depth,likely resulting from enhanced fluid *** MCS profile exhibits that the giant FRZ is about 3-9-km thick and extends from the Paleogene strata rich in organic matters upward to the lower Pleistocene *** the shallow overlying sediments,multiple bright spots with reverse polarity are imaged and their reflection amplitudes increase with offset,consistent with the features of gas-charged *** are probably shallow gas reservoirs with gases sourced from the deep ***,the FRZ is proposed to be a giant gas-charged zone,which probably contains lots of hydrocarbon gases migrated vertically from the deep Paleogene source rocks through the boundary faults of the depressions and the minor fractures generated under *** FRZ is also imaged on the adjacent MCS profiles MCS-L1 and MCS-L2 with the width of about 40 km and 68 km,*** is roughly estimated to cover an area of~1900 km2 and host a volume of~11400 km3 assuming an average thickness of 6 km,implying huge natural gas potential in the sedimentary depression of the southwestern QDNB of the South China Sea.

关键词： southwestern Qiongdongnan Basin fuzzy reflection zone low velocity gas charging natural gas potential

Discovery of pockmarks in the Zengmu Basin,southern South China Sea and the implication

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Journal of Oceanology and Limnology 2023年第2期41卷 757-768页

作者： Yanlin WANG Guanghong TU Junhui YU Pin YAN Yongbin JIN changliang chen Jie LIU Key Laboratory of Ocean and Marginal Sea Geology South China Sea Institute of OceanologyInnovation Academy of South China Sea Ecology and Environmental EngineeringChinese Academy of SciencesGuangzhou 510301China Southern Marine Science and Engineering Guangdong Laboratory(Guangzhou) Guangzhou 511458China Guangzhou Marine Geological Survey China Geological SurveyMinistry of Natural ResourcesGuangzhou 511458China University of Chinese Academy of Sciences Beijing 100049China

The Zengmu Basin located in the shallow water area of the southern South China Sea,is rich in oil and gas resources,within which faults and mud-diapir are developed,but it is unknown whether oil and gas migrate to the seafloor *** newly collected multibeam data across the Zengmu Basin reveal a large number of depressions,with depths of 2-4 m,widths of several tens of meters,large distribution range of 1.8-8 km along survey line,up to~50 km,and their backscatter intensity(-26 dB)is much greater than that of the surrounding area(-38 dB).Combined with the developed mud-diapir and fracture structures,and abundant oil and gas resources within this basin,these depressions are presumed to be ***,more than 110 mono-sized small circular pockmarks,with a depth of less than 1 m and a width of 5 m,are observed in an area of less than 0.03 km2,which are not obliterated by sediment infilling with high sedimentation rate,implying an existence of unit-pockmarks that are or recently were *** addition,seismic profiles across the Zengmu Basin show characterization of upward migration of hydrocarbons,expressed as mud-diapir structures,bright spots in the shallow formation with characteristics of“low frequency increase and high frequency attenuation”.The subbottom profiles show the mud-diapir structures,as well as the gas-bearing blank zones beneath the *** features suggest large gas leaking and occurrence of large amounts of carbonate nodules on the *** indicates the complex and variable substrate type in the Zengmu Basin,while the area was once thought to be mainly silty sand and find *** is the first report on the discovery of pockmarks in the Zengmu Basin;it will provide basic information for submarine stability and marine engineering in China’s maritime boundaries.

关键词： South China Sea Zengmu Basin dense pockmarks gas leaking substrate type

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基于仿真的鞭打试验影响因素分析

汽车工程 2019年第12期41卷 1459-1465页

作者：陈长亮董玉德陈超李龙庆合肥工业大学机械工程学院合肥230009 中国汽车技术研究中心天津300300 芜湖瑞泰汽车零部件有限公司芜湖241000

为获得汽车座椅一些关键参数对鞭打试验结果的影响规律,同时进行了计算机仿真与试验,并将仿真结果与鞭打试验结果进行对比,在确认了计算机仿真可行且准确的基础上,进行了多轮的仿真计算。结果表明:靠背刚度越小和靠背转动刚度越大,则鞭... 详细信息

为获得汽车座椅一些关键参数对鞭打试验结果的影响规律,同时进行了计算机仿真与试验,并将仿真结果与鞭打试验结果进行对比,在确认了计算机仿真可行且准确的基础上,进行了多轮的仿真计算。结果表明:靠背刚度越小和靠背转动刚度越大,则鞭打试验得分越高,且靠背刚度比其转动刚度影响更明显;头枕刚度和头枕转动刚度越大,则鞭打试验得分越高,其中,头枕转动刚度的影响更明显;而头枕越高和头后间隙越小,则越有利于鞭打试验得分。

关键词：汽车座椅头枕鞭打试验仿真

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语义含量与译值熵的关系研究

外国语 2018年第4期41卷 76-85页

作者：车明明陈长亮西安理工大学人文与外国语学院陕西西安710054

在索绪尔"能指"和"所指"理论框架下对原语的语义含量与译值熵之间的关系进行研究,旨在证明语义含量与翻译结果的负相关关系,即语义含量越大,译值熵越小,翻译结果越少;语义含量越小,译值熵越大,翻译结果越多样。基于语义含量与译值熵关... 详细信息

在索绪尔"能指"和"所指"理论框架下对原语的语义含量与译值熵之间的关系进行研究,旨在证明语义含量与翻译结果的负相关关系,即语义含量越大,译值熵越小,翻译结果越少;语义含量越小,译值熵越大,翻译结果越多样。基于语义含量与译值熵关系的定量研究不仅有利于深入挖掘语言的内涵,而且有利于生产出丰富的翻译版本,以便满足不同目标语读者的需求并达到不同的交际目的。

关键词：能指所指语义含量译值熵

基于Zynq的三重四极杆质谱仪数据采集系统研究

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真空科学与技术学报 2020年第2期40卷 142-147页

作者：陈昌良韩文念汪曣天津大学精密仪器与光电子工程学院天津300072 中科院苏州医工所天津工程技术研究院天津300300

设计了一套高速数据采集系统,系统基于Xilinx Zynq-7000系列全可编程平台,在Zynq内部实现了数据采集时序控制、高速脉冲计数、异步先进先出存储器(Frist in First out,FIFO)控制等功能。该系统中计数器为32位,采样频率400MHz,误差≤0.03... 详细信息

设计了一套高速数据采集系统,系统基于Xilinx Zynq-7000系列全可编程平台,在Zynq内部实现了数据采集时序控制、高速脉冲计数、异步先进先出存储器(Frist in First out,FIFO)控制等功能。该系统中计数器为32位,采样频率400MHz,误差≤0.035‰。设计了信号调理电路,该电路实现了从离子脉冲信号到Zynq可直接接收的LVTTL电平转换功能。将该系统接入三重四极杆质谱仪进行聚丙二醇(Polypropylene glycol,PPG)质量分析实验,可得到高质量的谱图。该系统具有集成度高、大量程、高精度等特点。

关键词：三重四极杆质谱数据采集 Zynq

考虑边缘松弛效应的直齿圆柱齿轮加载接触分析

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汽车安全与节能学报 2018年第4期9卷 370-378页

作者：陈长亮周驰王琪范子杰清华大学汽车工程系汽车安全与节能国家重点实验室中国北京100084

提出了一种考虑到边缘松弛效应的直齿圆柱齿轮加载接触分析(LTCA)方法,改进了传统分析方法。基于齿面公式计算齿面点坐标,根据啮合关系计算完整啮合周期内啮合印迹,基于NewtonRaphson法,求解齿轮副平衡状态下啮合状态。引入了边缘修正... 详细信息

提出了一种考虑到边缘松弛效应的直齿圆柱齿轮加载接触分析(LTCA)方法,改进了传统分析方法。基于齿面公式计算齿面点坐标,根据啮合关系计算完整啮合周期内啮合印迹,基于NewtonRaphson法,求解齿轮副平衡状态下啮合状态。引入了边缘修正函数及边缘因子,考虑了边缘松弛效应的抛物线形式,提出了一种齿宽边缘接触刚度修正方法;用有限元方法(FEM),对完整啮合周期的载荷分配系数、接触应力分布、传动误差曲线、计算效率等进行对比验证。结果表明:采用本方法,能够对等宽度线接触直齿圆柱齿轮进行加载接触分析。

关键词：直齿圆柱齿轮齿轮加载接触分析(LTCA) 松弛效应接触刚度有限元方法(FEM)

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基于抽水试验的多种方法确定水文地质参数

地下空间与工程学报 2015年第2期11卷 306-309,357页

作者：赵琳琳肖长来陈昌亮陈章梁玉思吉林大学环境与资源学院长春130021 中冶地勘岩土工程有限责任公司河北邯郸056000 山东科技大学土木建筑学院山东青岛266510

水文地质参数对于地铁抗浮设计水位的确定,工程建设安全及安全运行等具有重要意义,野外抽水试验是确定水文地质参数的主要方法。本文以"长春市地铁一号线"南湖大路站抽水试验资料为依托,采用传统的稳定流公式法、非稳定流的直线图解法、... 详细信息

水文地质参数对于地铁抗浮设计水位的确定,工程建设安全及安全运行等具有重要意义,野外抽水试验是确定水文地质参数的主要方法。本文以"长春市地铁一号线"南湖大路站抽水试验资料为依托,采用传统的稳定流公式法、非稳定流的直线图解法、Theis公式法等计算,并采用全程曲线拟合法进行计算,结合实际水文地质条件,多种方法对比分析,确定该地块渗透系数为45 m/d、导水系数13.50 m2/d及贮水系数为0.000 3。本次试验进一步验证了全程曲线拟合法在承压水含水层中的适应性,提出了井管回水的附加水位对抽水试验参数计算的影响。

关键词：抽水试验全程曲线拟合法水文地质参数井管回水

罗哌卡因复合舒芬太尼在硬膜外麻醉无痛分娩中的临床观察

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中国医药科学 2017年第7期7卷 134-137页

作者：陈昌亮陈远声广东省清远市中医院麻醉科广东清远511500

目的研究罗哌卡因复合舒芬太尼在硬膜外麻醉分娩镇痛的安全性及有效性。方法随机选择96例初产临产妇,以入产房的单双例分为两组:A组注入0.2%罗哌卡因与5μg舒芬太尼混合液6m L,后接硬膜外电子止痛泵维持剂量7m L/h(n=48例);B组为普通分... 详细信息

目的研究罗哌卡因复合舒芬太尼在硬膜外麻醉分娩镇痛的安全性及有效性。方法随机选择96例初产临产妇,以入产房的单双例分为两组:A组注入0.2%罗哌卡因与5μg舒芬太尼混合液6m L,后接硬膜外电子止痛泵维持剂量7m L/h(n=48例);B组为普通分娩对照组(n=48例)。观察两组分娩过程的疼痛分级和胎儿评分,产妇的血压心率变化,产妇的VAS评分,产程时间,顺产率,产后尿潴留等情况。结果疼痛分级效果镇痛组显著优于对照组(P0.05)。结论罗哌卡因复合舒芬太尼在硬膜外用于分娩镇痛可以降低分娩时期的疼痛,提高舒适度和安全性。

关键词：无痛分娩罗哌卡因舒芬太尼硬膜外麻醉

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直驱风场经柔直并网的次同步振荡建模与分析

福建工程学院学报 2023年第4期21卷 363-369页

作者：张程陈昌亮福建理工大学电子电气与物理学院福建福州350118 智能电网仿真分析与综合控制福建省高校工程研究中心福建福州350118

针对直驱风电场经串补及柔性直流输电引起的次同步振荡问题,建立了直驱风电场经VSC-HVDC的系统仿真模型。利用该模型模拟了次同步振荡现象,并用频谱分析验证了其正确性。利用时域仿真法,设置不同的场景分析风机网侧换流器的内环控制参... 详细信息

针对直驱风电场经串补及柔性直流输电引起的次同步振荡问题,建立了直驱风电场经VSC-HVDC的系统仿真模型。利用该模型模拟了次同步振荡现象,并用频谱分析验证了其正确性。利用时域仿真法,设置不同的场景分析风机网侧换流器的内环控制参数、串补度以及直流侧电容对直驱风机经柔直输电并网系统的稳定性影响。针对减小次同步振荡危害,结合实际工程提出建议。

关键词：直驱风电场次同步振荡频谱分析时域仿真特性分析