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沉默MARK4通过NF-κB信号通路抑制溃疡性结肠炎细胞焦亡和炎症因子表达 被引量:1
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作者 叶璐 廖盛涛 +5 位作者 李传飞 苏建淋 余兴涟 王彦辉 宋亚 吕琳 《免疫学杂志》 CAS CSCD 2024年第2期131-137,共7页
目的探讨MARK4(microtubule-affinity regulating kinase 4,MARK4)在脂多糖(lipopolysaccharide,LPS)诱导的FHC细胞溃疡性结肠炎(ulcerative colitis,UC)模型中对FHC细胞焦亡、炎症因子释放和肠道屏障相关蛋白表达的影响及其可能分子机... 目的探讨MARK4(microtubule-affinity regulating kinase 4,MARK4)在脂多糖(lipopolysaccharide,LPS)诱导的FHC细胞溃疡性结肠炎(ulcerative colitis,UC)模型中对FHC细胞焦亡、炎症因子释放和肠道屏障相关蛋白表达的影响及其可能分子机制。方法采用Western blot检测UC患者、健康人群结肠组织和LPS诱导的FHC细胞炎症模型中MARK4和细胞焦亡相关的因子Caspase-1、NLRP3和GSDMD的表达水平;通过质粒转染shRNA沉默FHC细胞中MARK4,在正常对照组、LPS组和沉默MARK4+LPS组中采用Western blot分别检测Caspase-1、NLRP3、GSDMD、肠道屏障相关蛋白和NF-κB信号通路相关蛋白的表达水平;ELISA和RT-qPCR检测炎症因子IL-1β、IL-6和TNF-α表达水平;流式细胞术检测细胞凋亡情况。结果在UC患者结肠组织和LPS诱导FHC细胞体外UC炎症模型中MARK4和焦亡相关蛋白包括NLRP3、Caspase-1和GSDMD的表达水平显著升高。沉默MARK4能够抑制LPS诱导FHC细胞中焦亡相关蛋白NLRP3、Caspase-1、GSDMD表达水平,下调炎症相关细胞因子IL-1β、IL-6和TNF-α的表达水平,抑制FHC细胞凋亡,上调肠道屏障相关蛋白ZO-1、Occludin表达和上调Claudin2的表达水平。GSEA富集分析显示,MARK4与NF-κB信号通路呈正相关。沉默MARK4能够抑制NF-κB信号通路中p-P65、p-IKKα的表达水平。结论MARK4在UC组织和细胞中显著高表达,沉默MARK4能够通过阻滞NF-κB信号通路激活,进而抑制UC细胞焦亡和炎症因子表达。MARK4可能成为UC患者治疗的一个潜在靶点。 展开更多
关键词 溃疡性结肠炎 mark4 焦亡 炎症 NF-ΚB信号通路
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基于三圆轨迹规划的MARKⅢ型LNG薄膜舱波纹板机器人焊接
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作者 商泽坤 何建萍 +1 位作者 华学明 李芳 《材料科学与工艺》 CAS CSCD 北大核心 2024年第5期34-41,共8页
MARKⅢ型LNG薄膜舱波纹板的焊接质量是LNG船建造成功与否的关键之一。为了实现MARKⅢ型LNG薄膜舱1.2mm厚304L不锈钢波纹板的机器人焊接,研究了基于“三圆”连接构思的波纹板机器人焊接的轨迹规划模型,通过模型计算了沿波纹板轨迹焊接过... MARKⅢ型LNG薄膜舱波纹板的焊接质量是LNG船建造成功与否的关键之一。为了实现MARKⅢ型LNG薄膜舱1.2mm厚304L不锈钢波纹板的机器人焊接,研究了基于“三圆”连接构思的波纹板机器人焊接的轨迹规划模型,通过模型计算了沿波纹板轨迹焊接过程中的焊枪位置和焊枪姿态坐标,并对模型和计算的结果进行了仿真验证;在此基础上,进行了不锈钢波纹板机器人搭接焊的脉冲等离子弧焊的工艺优化研究。结果表明:本文建立的波纹板机器人焊接的“三圆”轨迹规划模型以及基于该模型计算的焊枪位姿坐标准确;基于模型和计算,结合优化后的脉冲等离子弧焊工艺参数,实现了焊缝成形良好的MARKⅢ型LNG薄膜舱1.2mm厚304L不锈钢波纹板搭接的机器人焊接,焊缝成形达到了法国GTT公司标准文件中提供的成形尺寸标准。 展开更多
关键词 轨迹规划 markⅢ型LNG薄膜舱 304L不锈钢 波纹板 焊接
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运动对孤独症谱系障碍大鼠内侧前额叶皮层树突棘重塑的影响及MARK1/MAP1A/PSD-95通路的作用
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作者 凃耿红 封纪伟 廖八根 《中国病理生理杂志》 CAS CSCD 北大核心 2024年第6期1008-1016,共9页
目的:探讨游泳结合转轮跑步运动干预对丙戊酸(valproic acid,VPA)诱导的孤独症谱系障碍(autism spectrum disorder,ASD)大鼠内侧前额叶皮层树突棘结构重塑的影响,以及微管亲和力调节激酶1(microtubule affinity regulating kinase 1,MAR... 目的:探讨游泳结合转轮跑步运动干预对丙戊酸(valproic acid,VPA)诱导的孤独症谱系障碍(autism spectrum disorder,ASD)大鼠内侧前额叶皮层树突棘结构重塑的影响,以及微管亲和力调节激酶1(microtubule affinity regulating kinase 1,MARK1)、微管相关蛋白1A(microtubule-associated protein 1A,MAP1A)和突触后致密蛋白95(postsynaptic density protein-95,PSD-95)的作用。方法:通过妊娠期VPA或生理盐水暴露的方法收集雄性子代制备ASD模型大鼠及对照大鼠,随机分为运动组和静置组,每组9~11只。采用三箱社交实验评价运动对ASD大鼠社交行为的影响,荧光示踪病毒局部感染观察内侧前额叶皮层亚区边缘前皮层(prelimbic cortex,PrL)和边缘下皮层(infralimbic cortex,IL)树突棘密度和形态,Western blot检测PSD-95和突触小泡蛋白(synaptophysin,Syn)蛋白表达,RNA原位杂交检测MARK1、MAP1A和PSD-95阳性颗粒数及共定位情况。结果:与对照组相比,ASD模型组大鼠社交行为存在缺陷,表现为在陌生大鼠箱体的活动时间、嗅探陌生大鼠的时间和频率均显著减少(P<0.05);经过运动干预后ASD大鼠的社交行为显著改善。树突棘形态观察发现ASD大鼠PrL区而不是IL区总树突棘密度显著增加,主要表现为蘑菇型和短粗型树突棘密度增加(P<0.05);运动干预能有效改善树突棘异常重塑。Western blot发现运动干预能有效逆转ASD大鼠PrL区的PSD-95蛋白表达上升的趋势;而PrL区的Syn及IL区的PSD-95和Syn蛋白表达在各组均无统计学差异。RNA原位杂交发现运动干预能有效降低ASD大鼠PrL区异常增多的MARK1、MAP1A和PSD-95的RNA阳性颗粒数,降低MARK1+MAP1A、MARK1+PSD-95和MAP1A+PSD-95的共定位。结论:运动干预可能通过PrL区MARK1/MAP1A/PSD-95分子通路改善ASD大鼠树突棘结构重塑,从而改善社交相关行为障碍。 展开更多
关键词 孤独症谱系障碍 树突棘 结构重塑 mark1/MAP1A/PSD-95信号通路
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Methods to prevent side marks from rusting on heavy steel plates
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作者 HAN Jianhong LI Wenjie 《Baosteel Technical Research》 CAS 2024年第1期22-26,共5页
When a steel plate produced by a steel plant leaves the factory,its upper surface should be marked with the specification,variety,batch number,and other identifying information,and its side should be marked with a sid... When a steel plate produced by a steel plant leaves the factory,its upper surface should be marked with the specification,variety,batch number,and other identifying information,and its side should be marked with a side marking.The side marking contains the plate number,specification,batch number,and other information,which are convenient for customers to accurately identify relevant information after stacking.However,because of the influence of weather,environment,and other factors,the side marking becomes unidentifiable when the steel plate is corroded,affecting the customer’s loading,unloading,and other operations.The development and application of side anticorrosion devices and cleaning of finished heavy steel plates with antirust agents will solve the problem of unrecognizable side marking due to corrosion. 展开更多
关键词 identification side marking RUST ANTIRUST
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基于机器视觉的工件Mark点快速提取方法研究
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作者 鄢然 赵青 +1 位作者 夏磊 殷勤 《机电工程技术》 2024年第9期158-162,168,共6页
在现代化工业生产流程中,工件Mark点类型繁多且提取过程既复杂又低效。为解决这一问题,提出了一种基于机器视觉的工件Mark点快速提取的方法。首先,使用工业相机采集原始图像,然后对图像进行预处理以减少噪声和锯齿的影响。随后,针对目... 在现代化工业生产流程中,工件Mark点类型繁多且提取过程既复杂又低效。为解决这一问题,提出了一种基于机器视觉的工件Mark点快速提取的方法。首先,使用工业相机采集原始图像,然后对图像进行预处理以减少噪声和锯齿的影响。随后,针对目标边缘提取繁琐且不准确的问题,提出一种基于OpenCV的卡尺工具算法,该算法通过在检测边缘周围产生等大等距的测量矩形,利用亚像素图像及改进的Canny边缘检测算子获得测量矩形内的最佳边缘点,再利用基于梯度下降法的最小二乘法来进行直线或圆的拟合,通过该算法可以快速高效地获得工件的直线或圆边缘。最后,通过组合这些直线或圆边缘来获得所需的Mark点。实验证明,该方法可以快速而准确地拟合工件的直线边缘或圆边缘,并最终成功获取到相应的Mark点,定位精度可达到亚像素级,且具有较高的稳定性。 展开更多
关键词 机器视觉 mark点提取 OPENCV 卡尺算法 直线拟合 圆拟合
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Mark VIe控制系统在燃驱压缩机组控制系统升级改造中的应用
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作者 白敬 《燃气轮机技术》 2024年第2期69-72,共4页
针对当前集成了不同厂家几套子系统的一些燃驱压缩机组控制系统结构复杂、维护成本高等问题,应用基于Mark VIe控制平台来升级改造该系统。以某改造项目为例,应用双冗余Mark VIe控制系统架构,Mark VIe SIL3模件作为紧急停机和火气保护系... 针对当前集成了不同厂家几套子系统的一些燃驱压缩机组控制系统结构复杂、维护成本高等问题,应用基于Mark VIe控制平台来升级改造该系统。以某改造项目为例,应用双冗余Mark VIe控制系统架构,Mark VIe SIL3模件作为紧急停机和火气保护系统的硬件,同时采用Mark VIe ControlST统一软件平台。结果表明:新控制系统采用了一体化硬件、软件设计,提高了机组控制系统的安全可靠性,有利于日常运行维护,而且新系统具有在线监测功能,有助于系统故障排查。 展开更多
关键词 mark VIe控制系统 mark VIeS 双冗余系统架构 SIL3 Shared I/O技术
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立足创新发展,加速发力亚太市场——昂高集团首席执行官MarkGarrett先生和纺织染化事业部北亚区副总裁蔡晓松女士访谈
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作者 宋富佳 刘凯琳 《纺织导报》 CAS 2024年第3期19-20,共2页
作为全球性多元化的化学品供应商,Archroma(昂高)为品牌和高性能纺织品、包装和纸张、涂料、黏合剂和密封剂市场提供领先的创新性解决方案。4月17日,在第23届中国国际染料工业及有机颜料、纺织化学品展览会现场,昂高集团首席执行官Mark ... 作为全球性多元化的化学品供应商,Archroma(昂高)为品牌和高性能纺织品、包装和纸张、涂料、黏合剂和密封剂市场提供领先的创新性解决方案。4月17日,在第23届中国国际染料工业及有机颜料、纺织化学品展览会现场,昂高集团首席执行官Mark Garrett先生和纺织染化事业部北亚区副总裁蔡晓松女士接受了本刊采访,介绍了昂高的发展情况以及未来的战略布局。 展开更多
关键词 北亚区 副总裁 染料工业 首席执行官 纺织化学品 有机颜料 密封剂 mark
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基于Zernike矩的PCB上氧化圆形Mark点定位算法研究
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作者 方宇轩 曾寿金 +1 位作者 戚云涛 蔡晓洁 《机电技术》 2024年第3期32-37,90,共7页
文章针对在PCB的整个生产过程中,Mark点因环境和人为等因素被氧化,导致Mark点的定位精度降低的问题,采用灰度变换法对PCB的灰度图进行处理,选用迭代选择阈值法进行图像分割,然后运用圆的特性对Mark点边缘进行筛选,用Zernike矩对其进行... 文章针对在PCB的整个生产过程中,Mark点因环境和人为等因素被氧化,导致Mark点的定位精度降低的问题,采用灰度变换法对PCB的灰度图进行处理,选用迭代选择阈值法进行图像分割,然后运用圆的特性对Mark点边缘进行筛选,用Zernike矩对其进行亚像素边缘提取,最后用最小二乘法拟合出圆并求出圆心。实验表明:该定位算法的平均误差小于0.05像素,标准误差小于等于0.025像素。 展开更多
关键词 PCB mark ZERNIKE矩 定位算法
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佳能EOS C500 Mark II增加多个Cinema RAW Light记录格式
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《影视制作》 2024年第4期119-119,共1页
佳能Cinema EOS电影摄影机EOS C500 Mark II日前发布了新固件版本1.1.1.1。经过此次固件升级,EOS C500 Mark II可支持三种新增的Cinema RAW Light记录格式:具有高画质的RAW HQ模式、标准画质的RAW ST模式和精简记录可以延长记录时间的RA... 佳能Cinema EOS电影摄影机EOS C500 Mark II日前发布了新固件版本1.1.1.1。经过此次固件升级,EOS C500 Mark II可支持三种新增的Cinema RAW Light记录格式:具有高画质的RAW HQ模式、标准画质的RAW ST模式和精简记录可以延长记录时间的RAW LT模式。 展开更多
关键词 记录格式 mark 佳能EOS 记录时间 高画质
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LNG加注船MARKⅢ型货舱KCC油漆特涂重难点分析及施工改进
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作者 魏来 《中国水运》 2024年第5期63-65,共3页
LNG船的N96型货舱采用的是通过螺柱焊接货舱表面的方式固定绝缘模块,所以货舱表面的油漆仅起到临时性防腐蚀的作用;而MARKⅢ型货舱的绝缘模块是靠树脂黏结到货舱表面,对油漆与钢板表面的结合力要求极高,并且油漆表面不能有油、灰尘、漆... LNG船的N96型货舱采用的是通过螺柱焊接货舱表面的方式固定绝缘模块,所以货舱表面的油漆仅起到临时性防腐蚀的作用;而MARKⅢ型货舱的绝缘模块是靠树脂黏结到货舱表面,对油漆与钢板表面的结合力要求极高,并且油漆表面不能有油、灰尘、漆雾等任何杂质,即又要保证油漆与钢板之间有极好的附着力,同时又要保证油漆表面绝对的干净无杂质。故MARKⅢ型货舱采用了配套的韩国进口KCC涂料,但该涂料的施工难度大,不仅是对表面处理,油漆施工的要求高,对油漆的保护也尤为重要,稍有差池,拉力试验结果就会低于需求数值。 展开更多
关键词 markⅢ型货舱 KCC油漆 拉力试验
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佳能发布全画幅专微相机EOS R5 Mark Ⅱ,支持8KRAW视频拍摄
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《影视制作》 2024年第8期127-127,共1页
日前,佳能正式发布了EOSR系统新一代全画幅专微相机EOSR5 Mark Ⅱ。EOSR5 MarkⅡ不仅延续了EOSR5的强悍性能,还在画质、视频、对焦、连拍方面进行了全方位的升级,是一台既适合照片拍摄,又适合视频拍摄的高性能机型。
关键词 视频拍摄 全画幅 照片拍摄 mark EOS 佳能 对焦 相机
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自然与工业的共鸣 上海Quotation Marks线下门店
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作者 《室内设计与装修》 2024年第5期96-100,共5页
Quotation Marks首家线下门店希望以体验生活的方式,将最初的内在精神感受作具象传达,通过自然与工业、材料与形态的结合,表现为现代社会中人能触摸、感受的空间环境或是贴身衣物。秉持对天然材料和原始细节的深度挖掘提炼,好典设计携... Quotation Marks首家线下门店希望以体验生活的方式,将最初的内在精神感受作具象传达,通过自然与工业、材料与形态的结合,表现为现代社会中人能触摸、感受的空间环境或是贴身衣物。秉持对天然材料和原始细节的深度挖掘提炼,好典设计携手品牌,展开材料与形态的深度对话,呈现一个混合日本工业风格和现代粗野主义的店铺。 展开更多
关键词 体验生活 天然材料 粗野主义 mark 深度对话 内在精神
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LNG船Mark Ⅲ型液货围护系统平面区域柔性次屏壁搭接黏合改进工艺
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作者 刘杭雪 汪东超 +5 位作者 张颖 赵文思 曲严冰 宫兴宇 于成郊 郭琨 《造船技术》 2024年第5期64-67,共4页
针对液化天然气(Liquefied Natural Gas, LNG)船MarkⅢ型液货围护系统平面区域柔性次屏壁搭接黏合的作业现状,分析搭接黏合传统工艺的认证流程、作业流程和搭接黏合质量检验,优化搭接黏合传统工艺的作业流程。提出一种有效提高平面区域... 针对液化天然气(Liquefied Natural Gas, LNG)船MarkⅢ型液货围护系统平面区域柔性次屏壁搭接黏合的作业现状,分析搭接黏合传统工艺的认证流程、作业流程和搭接黏合质量检验,优化搭接黏合传统工艺的作业流程。提出一种有效提高平面区域柔性次屏壁搭接黏合作业效率的搭接黏合改进工艺,并总结其优势,对LNG船建造具有一定的借鉴意义。 展开更多
关键词 LNG船 markⅢ型液货围护系统 平面区域 柔性次屏壁 搭接黏合 改进工艺
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A study on the feasibility of CET oral test based on automatic essay marking
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作者 刘健刚 郑玉琪 +2 位作者 陈美华 姜浩 赵力 《Journal of Southeast University(English Edition)》 EI CAS 2012年第4期410-414,共5页
This paper discusses the approach to the CET (college English test) oral test based on automatic essay marking (AEM). The reliability and validity arouses a dispute on Internet-based CET (iB-CET) oral test in Ch... This paper discusses the approach to the CET (college English test) oral test based on automatic essay marking (AEM). The reliability and validity arouses a dispute on Internet-based CET (iB-CET) oral test in China, leading to the penetration into oral test contents in dialogue, description or comment, and question answering. Then, a probe into transformation from a spoken document into a textual document is touched on a conversion ratio of 72% adopted at the present time, AEM to be carried forward being a necessary hypothesis for Afterwards, this paper focuses on the pipeline in AEM with the content features and the language itself, which is established in two different models in marking for extraction and detection. Through experiments, this paper reveals the fact that an iB-CET oral test can be performed perfectly in the pipeline of spoken documents transformed into textual documents which can be automatically marked. Hence the design of the iB-CET oral test reaches its reliability and validity. 展开更多
关键词 reliability and validity spoken document and textual document automatic essay marking
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应用Beach marking方法检测钢结构疲劳裂纹扩展 被引量:2
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作者 董亮 童乐为 +1 位作者 彭洋 赵晓林 《结构工程师》 2011年第B01期179-183,共5页
掌握裂纹扩展规律是钢结构疲劳性能研究的一个基本问题。本文介绍了一种检测钢结构疲劳裂纹扩展的新型方法,即Beach marking方法。论文首先简述了这种方法测试疲劳裂纹扩展的基本原理,然后通过一个试验案例,展示了这种方法的具体应用和... 掌握裂纹扩展规律是钢结构疲劳性能研究的一个基本问题。本文介绍了一种检测钢结构疲劳裂纹扩展的新型方法,即Beach marking方法。论文首先简述了这种方法测试疲劳裂纹扩展的基本原理,然后通过一个试验案例,展示了这种方法的具体应用和要点试验表明这种方法简单实用,通过运用合适的疲劳荷载序列,可在疲劳断口留下疲劳弧线,从而间接有效地记录了疲劳裂纹的扩展全过程。 展开更多
关键词 BEACH marking 疲劳断口 裂纹扩展行为 疲劳试验
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The Marking Technology in Motion Capture for the Complex Locomotor Behavior of Flexible Small Animals(Gekko gecko) 被引量:1
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作者 Zhouyi WANG Weijia ZONG +3 位作者 Bingcheng WANG Junjie ZHU Kai QIN Zhendong DAI 《Asian Herpetological Research》 SCIE CSCD 2019年第3期197-210,共14页
Animals have evolved a variety of behavior patterns to adapt to the environment. Motion-capture technology is utilized to quantify and characterize locomotor behaviors to reveal the mechanisms of animal motion. In the... Animals have evolved a variety of behavior patterns to adapt to the environment. Motion-capture technology is utilized to quantify and characterize locomotor behaviors to reveal the mechanisms of animal motion. In the capture of flexible, small animals with complex locomotor behaviors, the markers interfere with each other easily, and the motion forms(bending, twisting) of the moving parts are obviously different;thus, it is a great challenge to realize accurate quantitative characterization of complex locomotor behaviors. The correlation between the marker properties, including the size and space length, and the precision of the system are revealed in this paper, and the effects of diverse marker shapes on the capturing accuracy of the captured objects in different motion forms were tested. Results showed that the precision of system is significantly improved when the ratio of the space length to the diameter of the markers is larger than four;for the capture of the spatial twisting motion of the flexible object, the hexagon markers had the lowest spatial lost-marker rate relative to the circle, triangle, and square. Customized markers were used to capture the locomotor behavior of the gecko-inspired robot(rigid connection) and the gecko(flexible connection). The results showed that this marking technology can achieve high accuracy of motion capture for geckos(the average deviation was approximately 0.32 mm, and the average deviation’s variation rate was approximately 0.96%). In this paper, the marking technology for the motion capture of flexible, small animals with complex motion is proposed;it can effectively improve the system precision as well as the capture accuracy, and realize the quantitative characterization of the complex motion of flexible, small objects. It provides a reliable technical means to deeply study the evolution of the motion function of small animals and advance systematic research of motion-capture technology. 展开更多
关键词 small FLEXIBLE animals marking TECHNOLOGY motion capture quantification of LOCOMOTOR behavior GECKO
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A Novel Packet Marking Algorithm in Context-aware Autonomic QoS Framework 被引量:2
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作者 Gong Xiangyang Wang Wendong Li Yan 《China Communications》 SCIE CSCD 2009年第4期98-107,共10页
Autonomic networking is one of the hot research topics in the research area of future network architectures.In this paper, we introduce context-aware and autonomic attributes into DiffServ QoS framework, and propose a... Autonomic networking is one of the hot research topics in the research area of future network architectures.In this paper, we introduce context-aware and autonomic attributes into DiffServ QoS framework, and propose a novel autonomic packet marking(APM) algorithm.In the proposed autonomic QoS framework, APM is capable of collecting various QoS related contexts, and adaptively adjusting its behavior to provide better QoS guarantee according to users' requirements and network conditions.Simulation results show that APM provides better performance than traditional packet marker, and significantly improves user's quality of experience. 展开更多
关键词 autonomic QoS framework DIFFSERV CONTEXT-AWARE packet marking
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A Lane-Level Road Marking Map Using a Monocular Camera 被引量:1
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作者 Wonje Jang Junhyuk Hyun +2 位作者 Jhonghyun An Minho Cho Euntai Kim 《IEEE/CAA Journal of Automatica Sinica》 SCIE EI CSCD 2022年第1期187-204,共18页
The essential requirement for precise localization of a self-driving car is a lane-level map which includes road markings(RMs).Obviously,we can build the lane-level map by running a mobile mapping system(MMS)which is ... The essential requirement for precise localization of a self-driving car is a lane-level map which includes road markings(RMs).Obviously,we can build the lane-level map by running a mobile mapping system(MMS)which is equipped with a high-end 3D LiDAR and a number of high-cost sensors.This approach,however,is highly expensive and ineffective since a single high-end MMS must visit every place for mapping.In this paper,a lane-level RM mapping system using a monocular camera is developed.The developed system can be considered as an alternative to expensive high-end MMS.The developed RM map includes the information of road lanes(RLs)and symbolic road markings(SRMs).First,to build a lane-level RM map,the RMs are segmented at pixel level through the deep learning network.The network is named RMNet.The segmented RMs are then gathered to build a lane-level RM map.Second,the lane-level map is improved through loop-closure detection and graph optimization.To train the RMNet and build a lane-level RM map,a new dataset named SeRM set is developed.The set is a large dataset for lane-level RM mapping and it includes a total of 25157 pixel-wise annotated images and 21000 position labeled images.Finally,the proposed lane-level map building method is applied to SeRM set and its validity is demonstrated through experimentation. 展开更多
关键词 Autonomous driving lane-level map road lane road marking map symbolic road marking weighted loss
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Simple Fabrication of Hierarchical Micro/Nanostructure Superhydrophobic Surface with Stable and Superior Anticorrosion Silicon Steel via Laser Marking Treatment 被引量:3
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作者 FU Jing TANG Mingkai ZHANG Qiaoxin 《Journal of Wuhan University of Technology(Materials Science)》 SCIE EI CAS 2020年第2期411-417,共7页
To improve the weak corrosion resistance of silicon steel to acid solution and alkaline solution with high temperature,a stable hierarchical micro/nanostructure superhydrophobic surface with myriad irregular micro-sca... To improve the weak corrosion resistance of silicon steel to acid solution and alkaline solution with high temperature,a stable hierarchical micro/nanostructure superhydrophobic surface with myriad irregular micro-scale hump and sheet-like nanostructure was successfully prepared on silicon steel by a simple,efficient and facile operation in large-area laser marking treatment.The morphology,composition,wettability of the as-prepared surface were studied.The superhydrophobic performance of the surface was investigated as well.Additionally,the corrosion resistance of the superhydrophobic surface to acidic solutions at room temperature and alkaline solutions at high temperature (80 ℃) was carefully explored.The corrosion resistance mechanism was clarified.Moreover,considering the practical application of the surface in the future,the hardness of the hierarchical micro/nanostructure superhydrophobic surface was studied.The experimental results indicate that the hierarchical micro/nanostructure surface with texture spacing of 100 μm treated at laser scanning speed of 100 mms/ presents superior superhydrophobicity after decreasing surface energy.The contact angle can be as high as 156.6°.Additionally,the superhydrophobic surface provide superior and stable anticorrosive protection for silicon steel in various corrosive environments.More importantly,the prepared structure of the surface shows high hardness,which ensures that the surface of the superhydrophobic surface cannot be destroyed easily.The surface is able to maintain great superhydrophobic performance when it suffers from slight impacting and abrasion. 展开更多
关键词 silicon steel laser marking hierarchical micro/nanostructure superhydrophobic surface corrosion resistance
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Evidence of return of chum salmon released from Tangwang River by strontium marking method 被引量:1
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作者 Jilong Wang Wei Liu +4 位作者 Peilun Li Fujiang Tang Wanqiao Lu Jian Yang Tao Jiang 《Acta Oceanologica Sinica》 SCIE CAS CSCD 2021年第8期182-186,共5页
In order to assess the effect of enhancement release of chum salmon(Oncorhynchus keta),otolith strontium(Sr)marking method was used to tag chum salmon released in Tangwang River in 2016.The homing chum salmon were det... In order to assess the effect of enhancement release of chum salmon(Oncorhynchus keta),otolith strontium(Sr)marking method was used to tag chum salmon released in Tangwang River in 2016.The homing chum salmon were detected and the samples were collected in Tangwang River,Ussuri River and Suifen River in the autumn of2018.The samples were analyzed by examining Sr and calcium(Ca)fingerprints in the otolith using electron probe microanalysis.The results suggested that two samples collected in Tangwang River had the marking ring near the core of otolith where the Sr concentration and Sr/Ca ratio were significantly higher than comparative samples.Proving that the two fish belonged to the released population in Tangwang River in 2016.This article indicated the success of the enhancement release of chum salmon from the Tangwang River for the first time and also confirmed the validity of Sr marking in enhancement release of fishes. 展开更多
关键词 chum salmon(Oncorhynchus keta) OTOLITH strontium(Sr)marking enhancement release
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