发布求助
文献互助 智能选刊 最新文献

光子学报最新文献

筛选
英文 中文
星光成像的大气影响研究（I）：天空偏振 星光成像的大气影响研究（I）：天空偏振
IF 0.6 4区 物理与天体物理
光子学报 Pub Date : 2023-01-01 DOI: 10.3788/gzxb20235205.0552209
陶志炜 Tao Zhiwei, 戴聪明 Dai Congming, 武鹏飞 Wu Pengfei, 任益充 Ren Yichong, 梅海平 Mei Haiping, 徐文清 XU Wenqing, 徐刚 Xu Gang, 童杰 Tong jie, 冯云松 FENG Yunsong, 饶瑞中 Rao Ruizhong, 魏合理 Wei Heli
{"title":"星光成像的大气影响研究（I）：天空偏振","authors":"陶志炜 Tao Zhiwei, 戴聪明 Dai Congming, 武鹏飞 Wu Pengfei, 任益充 Ren Yichong, 梅海平 Mei Haiping, 徐文清 XU Wenqing, 徐刚 Xu Gang, 童杰 Tong jie, 冯云松 FENG Yunsong, 饶瑞中 Rao Ruizhong, 魏合理 Wei Heli","doi":"10.3788/gzxb20235205.0552209","DOIUrl":"https://doi.org/10.3788/gzxb20235205.0552209","url":null,"abstract":"","PeriodicalId":7111,"journal":{"name":"光子学报","volume":"1 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70528516","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
基于引导滤波和分块自适应阈值的单帧红外弱小目标检测 基于引导滤波和分块自适应阈值的单帧红外弱小目标检测
IF 0.6 4区 物理与天体物理
光子学报 Pub Date : 2023-01-01 DOI: 10.3788/gzxb20235204.0410005
杨德振 Yang Dezhen, 黄静颖 HUANG Jingying, 喻松林 Yu Songlin, 冯进军 Feng Jinjun, 李江勇 Li Jiangyong, 刘通 Liu Tong
{"title":"基于引导滤波和分块自适应阈值的单帧红外弱小目标检测","authors":"杨德振 Yang Dezhen, 黄静颖 HUANG Jingying, 喻松林 Yu Songlin, 冯进军 Feng Jinjun, 李江勇 Li Jiangyong, 刘通 Liu Tong","doi":"10.3788/gzxb20235204.0410005","DOIUrl":"https://doi.org/10.3788/gzxb20235204.0410005","url":null,"abstract":"","PeriodicalId":7111,"journal":{"name":"光子学报","volume":"1 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70527180","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
基于光纤布拉格光栅传感的锂电池内部状态原位监测 基于光纤布拉格光栅传感的锂电池内部状态原位监测
4区 物理与天体物理
光子学报 Pub Date : 2023-01-01 DOI: 10.3788/gzxb20235209.0906002
史雯慧 SHI Wenhui, 王浩 WANG Hao, 曹慧 CAO Hui, 刘熠鑫 LIU Yixin, 李建宇 LI Jianyu, 郑加金 ZHENG Jiajin, 韦玮 WEI Wei
{"title":"基于光纤布拉格光栅传感的锂电池内部状态原位监测","authors":"史雯慧 SHI Wenhui, 王浩 WANG Hao, 曹慧 CAO Hui, 刘熠鑫 LIU Yixin, 李建宇 LI Jianyu, 郑加金 ZHENG Jiajin, 韦玮 WEI Wei","doi":"10.3788/gzxb20235209.0906002","DOIUrl":"https://doi.org/10.3788/gzxb20235209.0906002","url":null,"abstract":"锂电池内部的应力和温度变化难以监测是影响电池安全运行的最大隐患，提出采用光纤布拉格光栅传感技术，在锂电池内部植入光栅对电池阳极的温度和应力变化信息进行实时采集，实现了对锂离子电池阳极的原位监测，建立了电信号与光学传感信号之间的联系。实验结果表明，锂电池工作循环中，锂离子的脱嵌和嵌入会引起温度变化，对应传感器波长偏移达100 pm，温度上升11.1 ℃；在排除温度因素的影响后，循环电流的跳变会引起阳极收缩，产生的应力使波长漂移达21.96 pm，约为18.3 με。此外，研究了不同充放电速率对电池的影响，10 mA电流比2.5 mA电流时温度提高了2.8倍，应力提高了4.4倍。所植入光栅监测系统既可以高精度地测量电化学反应引起的温度、应力变化，同时解调速度快，有利于实时、准确监测锂电池的热失控及形变鼓包故障，研究结果有望为锂电池的安全使用提供有效的实验依据。","PeriodicalId":7111,"journal":{"name":"光子学报","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135156320","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
基于仿生曲面复眼相机的目标定位技术 基于仿生曲面复眼相机的目标定位技术
4区 物理与天体物理
光子学报 Pub Date : 2023-01-01 DOI: 10.3788/gzxb20235209.0911003
朱帅民 ZHU Shuaimin, 郭文阁 GUO Wenge, 刘韬 LIU Tao, 张远杰 ZHANG Yuanjie, 许黄蓉 XU Huangrong, 武登山 WU Dengshan, 周晓军 ZHOU Xiaojun, 鱼卫星 YU Weixing
{"title":"基于仿生曲面复眼相机的目标定位技术","authors":"朱帅民 ZHU Shuaimin, 郭文阁 GUO Wenge, 刘韬 LIU Tao, 张远杰 ZHANG Yuanjie, 许黄蓉 XU Huangrong, 武登山 WU Dengshan, 周晓军 ZHOU Xiaojun, 鱼卫星 YU Weixing","doi":"10.3788/gzxb20235209.0911003","DOIUrl":"https://doi.org/10.3788/gzxb20235209.0911003","url":null,"abstract":"开展了基于仿生曲面复眼相机的空间目标定位实验研究。采用CALibration Tag标定板结合MATLAB标定工具箱对自研仿生复眼相机进行内外参数的标定。针对目标的三维定位，从曲面复眼相机成像原理出发并利用相机定标参数，确定目标点在复眼相机中各子眼坐标系下坐标的线性关系并建立线性方程组，通过最小二乘法进行求解以获得目标点的准确空间定位。设计了光斑定位实验，实验结果表明，在至少4 m的工作距离内，仿生曲面复眼相机的定位误差可以控制在2%以内，该目标定位方法应用于仿生曲面复眼相机能实现较高精度的目标定位。在此基础上，采用尺度不变特征转变算法实现了两个子眼所拍摄子图像的特征点粗匹配，结合随机抽取一致算法去除错误匹配点，进而由特征点在子眼像素坐标系中的二维坐标反演出其在空间坐标系中的三维坐标，最后通过对所有点进行点云拼接获得完整的重构点云。实验结果表明，对距离相机约0.6 m处的边长为5.5 cm的正方体可以实现较好的三维立体重构。","PeriodicalId":7111,"journal":{"name":"光子学报","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135157274","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
反常色散增益光纤构建无源自相似脉冲光纤激光器 反常色散增益光纤构建无源自相似脉冲光纤激光器
4区 物理与天体物理
光子学报 Pub Date : 2023-01-01 DOI: 10.3788/gzxb20235208.0814001
龚睿 GONG Rui, 耿亚林 GENG Yalin, 裴丽 PEI Li, 魏淮 WEI Huai
{"title":"反常色散增益光纤构建无源自相似脉冲光纤激光器","authors":"龚睿 GONG Rui, 耿亚林 GENG Yalin, 裴丽 PEI Li, 魏淮 WEI Huai","doi":"10.3788/gzxb20235208.0814001","DOIUrl":"https://doi.org/10.3788/gzxb20235208.0814001","url":null,"abstract":"通常自相似脉冲光纤激光器的增益光纤都为正常色散，而利用色散补偿在反常色散增益光纤的激光器中能否取得相同的效果，目前还缺乏相关研究。这类激光器输出和演化特性有何特点以及应如何优化等都成为有待解决的问题。对色散管理型含反常色散增益光纤的锁模激光器进行研究，通过和传统自相似激光系统的分析和对比，指出其完全符合无源自相似激光器特征，并可达到传统正常色散增益光纤构建的无源自相似脉冲激光器的效果。在理论上拓展了自相似脉冲激光器的可实现范围，弥补了传统自相似脉冲激光器在该方面的欠缺。此外，针对该类型激光器系统的色散图、净色散量和色散补偿部分的非线性等方面对输出脉冲的影响进行了详细讨论，为中红外波段使用反常色散增益光纤的激光器产生更高质量的超短脉冲提供了新思路。","PeriodicalId":7111,"journal":{"name":"光子学报","volume":"115 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135157903","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
重频可调高功率绿光皮秒激光器 重频可调高功率绿光皮秒激光器
4区 物理与天体物理
光子学报 Pub Date : 2023-01-01 DOI: 10.3788/gzxb20235209.0914002
徐思志 XU Sizhi, 夏瀛 XIA Ying, 高瑜博 GAO Yubo, 刘星 LIU Xing, 欧阳德钦 OUYANG Deqin, 陈业旺 CHEN Yewang, 吴旭 WU Xu, 徐方华 XU Fanghua, 郭丽 GUO Li, 赵俊清 ZHAO Junqing, 郭春雨 GUO Chunyu, 吕启涛 LV Qitao, 阮双琛 RUAN Shuangchen
{"title":"重频可调高功率绿光皮秒激光器","authors":"徐思志 XU Sizhi, 夏瀛 XIA Ying, 高瑜博 GAO Yubo, 刘星 LIU Xing, 欧阳德钦 OUYANG Deqin, 陈业旺 CHEN Yewang, 吴旭 WU Xu, 徐方华 XU Fanghua, 郭丽 GUO Li, 赵俊清 ZHAO Junqing, 郭春雨 GUO Chunyu, 吕启涛 LV Qitao, 阮双琛 RUAN Shuangchen","doi":"10.3788/gzxb20235209.0914002","DOIUrl":"https://doi.org/10.3788/gzxb20235209.0914002","url":null,"abstract":"采用多级串联的主振荡放大技术，将SESAM锁模的种子光通过多级串联端泵Nd∶YVO4晶体放大，产生平均功率为148.7 W、重复频率500 kHz~4 MHz、脉冲宽度8 ps的1 064 nm基频光，同时开展了LBO晶体高效率二倍频的研究。通过优化相位匹配，实现了平均功率为95 W的532 nm皮秒激光输出，光-光转换效率达65%，光束质量因子MX2=1.27/MY2=1.42，6 h功率抖动均方根低于0.8%。该绿光皮秒激光系统具有平均功率高、转换效率高、光束质量好、稳定性高、重频可调等优点，可以被作为皮秒激光加工系统的光源，被应用于科学研究和工业加工领域。","PeriodicalId":7111,"journal":{"name":"光子学报","volume":"57 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135158122","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Kevlar-29材料的飞秒激光制孔形貌及性能研究 Kevlar-29材料的飞秒激光制孔形貌及性能研究
4区 物理与天体物理
光子学报 Pub Date : 2023-01-01 DOI: 10.3788/gzxb20235207.0752309
成健 CHENG Jian, 李嘉乐 LI Jiale, 张志伟 ZHANG Zhiwei, 姜晟 JIANG Sheng, 章鹏 ZHANG Peng, 翟中生 ZHAI Zhongsheng, 刘顿 LIU Dun
{"title":"Kevlar-29材料的飞秒激光制孔形貌及性能研究","authors":"成健 CHENG Jian, 李嘉乐 LI Jiale, 张志伟 ZHANG Zhiwei, 姜晟 JIANG Sheng, 章鹏 ZHANG Peng, 翟中生 ZHAI Zhongsheng, 刘顿 LIU Dun","doi":"10.3788/gzxb20235207.0752309","DOIUrl":"https://doi.org/10.3788/gzxb20235207.0752309","url":null,"abstract":"为提升飞秒激光加工芳纶纤维复合材料制孔质量，优化制孔加工参数，进行了制孔试验。用共聚焦显微镜与超景深显微镜观察圆孔边沿形貌，并测量了热影响区大小。分析了激光功率、扫描速度和重复频率对圆孔的形貌、热影响区大小以及几何精度的影响，对比了激光制孔与机械制孔后材料的拉伸强度。研究发现，一定参数范围内，激光功率增加、重复频率降低或扫描速度减小使热影响区尺寸整体上逐渐变大。但激光功率不足导致的烧蚀不充分也会产生较大的热影响区与表面损伤。热影响区最优状态对应的激光参数为激光功率5 W，扫描速度1 050 mm/s，重复频率200 kHz。对比传统机械加工，飞秒激光加工后材料的拉伸强度波动性更小。结果表明，芳纶纤维复合材料的飞秒激光制孔加工不是完全的“冷”加工，由于芳纶纤维导热性差，热量累积造成纤维及纤维周边基材的热损伤，仍会导致较小的热影响区产生。采用合适激光参数的飞秒激光对芳纶纤维复合材料进行制孔加工，能有效提升制孔质量，满足相关领域精度和强度的要求。","PeriodicalId":7111,"journal":{"name":"光子学报","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135159334","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
圆偏振涡旋激光脉冲驱动等离子体产生飞秒磁脉冲的研究 圆偏振涡旋激光脉冲驱动等离子体产生飞秒磁脉冲的研究
4区 物理与天体物理
光子学报 Pub Date : 2023-01-01 DOI: 10.3788/gzxb20235209.0932001
温寒 WEN Han, 徐鹏 XU Peng, 皮良文 PI Liangwen, 付玉喜 FU Yuxi
{"title":"圆偏振涡旋激光脉冲驱动等离子体产生飞秒磁脉冲的研究","authors":"温寒 WEN Han, 徐鹏 XU Peng, 皮良文 PI Liangwen, 付玉喜 FU Yuxi","doi":"10.3788/gzxb20235209.0932001","DOIUrl":"https://doi.org/10.3788/gzxb20235209.0932001","url":null,"abstract":"飞秒磁场脉冲对研究超快磁化、超快退磁、超快磁存储和自旋超快动力学等过程具有重要意义。传统的脉冲磁场受限于脉冲电源性能无法获得毫秒量级以下的超短脉冲磁场，无法研究飞秒尺度的磁动力学过程。利用超短脉冲激光驱动等离子体产生旋转电流是目前产生飞秒磁场脉冲的有效方法。本文利用质点网格法模拟圆偏振拉盖尔高斯光束驱动等离子体中的电子运动从而产生光电流以及飞秒磁脉冲的过程，模拟产生了特斯拉量级的飞秒超短磁脉冲，并系统讨论了驱动激光强度与等离子体密度对磁脉冲的影响。结果表明，脉冲磁场的脉宽与驱动光一致，其强度随着激光场强度、等离子体密度增加而增加。通过本文研究寻找产生飞秒磁脉冲的优化实验参数，有望将超快磁动力学研究推进到飞秒时间尺度。","PeriodicalId":7111,"journal":{"name":"光子学报","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135159556","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
基于高灵敏激光吸收光谱技术的稳定气态同位素测量及其应用（特邀） 基于高灵敏激光吸收光谱技术的稳定气态同位素测量及其应用（特邀）
IF 0.6 4区 物理与天体物理
光子学报 Pub Date : 2023-01-01 DOI: 10.3788/gzxb20235203.0352108
张志荣 Zhang Zhirong, 夏滑 Xia Hua, 孙鹏帅 Sun Pengshuai, 余润磬 Yu Runqing, 杨熙 YANG Xi, 林雨晴 LIN Yuqing, 吴边 Wu Bian, 庞涛 Pang Tao, 郭强 Guo Qiang, 李. Li Zhe, 刘. Liu Xu, 蔡永军 CAI Yongjun, M. SIGRIST Markus W, Brain Calshaw CALSHAW Brain, 徐启铭 SHU Chimin
{"title":"基于高灵敏激光吸收光谱技术的稳定气态同位素测量及其应用（特邀）","authors":"张志荣 Zhang Zhirong, 夏滑 Xia Hua, 孙鹏帅 Sun Pengshuai, 余润磬 Yu Runqing, 杨熙 YANG Xi, 林雨晴 LIN Yuqing, 吴边 Wu Bian, 庞涛 Pang Tao, 郭强 Guo Qiang, 李. Li Zhe, 刘. Liu Xu, 蔡永军 CAI Yongjun, M. SIGRIST Markus W, Brain Calshaw CALSHAW Brain, 徐启铭 SHU Chimin","doi":"10.3788/gzxb20235203.0352108","DOIUrl":"https://doi.org/10.3788/gzxb20235203.0352108","url":null,"abstract":"","PeriodicalId":7111,"journal":{"name":"光子学报","volume":"1 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70525663","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
全天时星敏感器视场选通成像系统的微开关阵列设计 全天时星敏感器视场选通成像系统的微开关阵列设计
IF 0.6 4区 物理与天体物理
光子学报 Pub Date : 2023-01-01 DOI: 10.3788/gzxb20235204.0411001
方亮 FANG Liang, 汪为民 WANG Weimin, 王. W. Wang Qiang, 程鑫 Cheng Xin, 范真节 Fan Zhenjie, 张. Z. Zhang Hui, 赵汝进 ZHAO Rujin, 刘恩海 LIU Enhai
{"title":"全天时星敏感器视场选通成像系统的微开关阵列设计","authors":"方亮 FANG Liang, 汪为民 WANG Weimin, 王. W. Wang Qiang, 程鑫 Cheng Xin, 范真节 Fan Zhenjie, 张. Z. Zhang Hui, 赵汝进 ZHAO Rujin, 刘恩海 LIU Enhai","doi":"10.3788/gzxb20235204.0411001","DOIUrl":"https://doi.org/10.3788/gzxb20235204.0411001","url":null,"abstract":"","PeriodicalId":7111,"journal":{"name":"光子学报","volume":"1 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70527185","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
首页 上一页 下一页 尾页
0
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
提示
您的信息不完整，为了账户安全，请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
现在去查看 取消
×
提示
确定
请完成安全验证×
相关产品
×
本文献相关产品
联系我们：info@booksci.cn Book学术提供免费学术资源搜索服务，方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。 Copyright © 2023 布克学术 All rights reserved.
京ICP备2023020795号-1
ghs 京公网安备 11010802042870号
Book学术文献互助
Book学术文献互助群
群 号：481959085
Book学术官方微信