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Nuclear Science and Techniques 2024年第1期35卷 18-33页

作者： Xi-Guang Cao Yan-Long Chang Kai chen Emilio Ciuffoli Li-Min Duan Dong-Liang Fang Chao-Song Gao Surja K.Ghorui Peng-Chong Hu Qiang Hu Si-yuan Huang Ze-yu Huang Lei Lang yu-Lan Li Zhi-Jie Li tian-yu Liang Jun liu chen-Gui Lu Fa-Tai Mai yuan Mei Hao Qiu Xiang-Ming Sun Xiao-Xing Tang Hu-Lin Wang Qian-Ming Wang Le Xiao Mu-yun Xiao Jian-yu Xin Nu Xu Peng Yang Yi-chen Yang Zhen Yang Zong-Yang yu Dong-Liang Zhang Jun-Wei Zhang cheng-Xin Zhao Dou Zhu NνDEx-100 collaboration Shanghai Advanced Research Institute Chinese Academy of SciencesShanghai 201210China Lanzhou University Lanzhou 730000China Central China Normal University Wuhan 430079China Institute of Modern Physics Chinese Academy of SciencesLanzhou 730000China Shanghai Institute of Applied Physics Chinese Academy of SciencesShanghai 201800China Lawrence Berkeley National Laboratory BerkeleyCA 94720USA North China University of Water Resources and Electric Power Zhengzhou 450045China 不详

Observing nuclear neutrinoless double beta (0vββ) decay would be a revolutionary result in particle *** such a decay would prove that the neutrinos are their own antiparticles,help to study the absolute mass of neutrinos,explore the origin of their mass,and may explain the matter-antimatter asymmetry in our universe by lepton number *** propose developing a time projection chamber (TPC) using high-pressure ^(82)SeF_(6) gas and Topmetal silicon sensors for readout in the China Jinping Underground Laboratory (CJPL) to search for neutrinoless double beta decay of82Se,called the NvDEx *** being located at CJPL with the world’s thickest rock shielding,NvDEx combines the advantages of the high Qββ(2.996 MeV) of82Se and the TPC’s ability to distinguish signal and background events using their different topological *** makes NvDEx unique,with great potential for low-background and high-sensitivity 0 vββ***-100,a NvDEx experiment phase with 100 kg of SeF_(6)gas,is being built,with plans to complete installation at CJPL by *** report introduces 0 vββ physics,the NvDEx concept and its advantages,and the schematic design of NvDEx-100,its subsystems,and background and sensitivity estimation.

关键词： Neutrinoless double beta decay time projection chamber ^(82)SeF_(6) China Jinping Underground Laboratory

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Expert consensus on the diagnosis, treatment, and prevention of respiratory syncytial virus infections in children

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World Journal of Pediatrics 2024年第1期20卷 11-25页

作者： Xian-Li Zhang Xi Zhang Wang Hua Zheng-De Xie Han-Min liu Hai-Lin Zhang Bi-Quan chen yuan chen Xin Sun Yi Xu Sai-Nan Shu Shun-Ying Zhao yun-Xiao Shang Ling Cao Yan-Hui Jia Luo-Na Lin Jiong Li Chuang-Li Hao Xiao-Yan Dong Dao-Jiong Lin Hong-Mei Xu De-yu Zhao Mei Zeng Zhi-Min chen Li-Su Huang Department of Infectious Disease Children's HospitalZhejiang University School of Medicine3333 Binsheng RoadBinjiang DistrictHangzhou 310052China Clinical Research Unit Xin Hua Hospital Affiliated to Shanghai Jiao Tong University School of MedicineShanghaiChina Beijing Pediatric Research Institute Beijing Children's HospitalCapital Medical UniversityBeijingChina Department of Pediatric Pulmonology West China Second University HospitalSichuan UniversityChengduChina Department of Pediatric Pulmonology the Second Affiliated Hospital&Yuying Children's HospitalWenzhou Medical UniversityWenzhouChina Department of Infectious Disease Anhui Provincial Children's HospitalHefeiChina Department of Pediatrics the Second Hospital of Hebei Medical UniversityShijiazhuangChina Department of Pediatrics Xijing Hospitalthe Fourth Military Medical UniversityXi'anChina Department of Infectious Disease Guangzhou Women and Children's Medicine CenterGuangzhou Medicine UniversityGuangzhouChina Department of Pediatrics Tongji HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhanChina Department of Respiratory Disease Beijing Children's HospitalCapital Medical UniversityBeijingChina Department of Pediatric Respiratory Shengjing Hospital of China Medical UniversityShenyangChina Respiratory Department Children's Hospital Affiliated to Capital Institute of PediatricsBeijingChina Department of Clinical Epidemiology Aarhus UniversityAarhusDenmark Department of Respirology Children's Hospital of Soochow UniversitySuzhouChina Department of Respiratory Children's Hospital of ShanghaiChildren's Hospital Affiliated to Shanghai Jiao Tong University School of MedicineShanghaiChina Department of Infectious Disease Hainan Women and Children's Medical CenterHaikouChina Department of Infectious Disease Children's Hospital of Chongqing Medical UniversityChongqingChina Department of Respiratory Children's Hospital of Nanjing Medical UniversityNanjingChina Department of Infectious Di

Background Respiratory syncytial virus(RSV)is the leading global cause of respiratory infections and is responsible for about 3 million hospitalizations and more than 100,000 deaths annually in children younger than 5 years,representing a major global healthcare *** is a great unmet need for new agents and universal strategies to prevent RSV infections in early life.A multidisciplinary consensus development group comprising experts in epidemiology,infectious diseases,respiratory medicine,and methodology aims to develop the current consensus to address clinical issues of RSV infections in *** sources The evidence searches and reviews were conducted using electronic databases,including PubMed,Embase,Web of Science,and the Cochrane Library,using variations in terms for"respiratory syncytial virus","RSV","lower respiratory tract infection","bronchiolitis","acute","viral pneumonia","neonatal","infant""children",and"pediatric".Results Evidence-based recommendations regarding diagnosis,treatment,and prevention were proposed with a high degree of *** supportive care remains the cornerstone for the management of RSV infections,new monoclonal antibodies,vaccines,drug therapies,and viral surveillance techniques are being rolled *** This consensus,based on international and national scientific evidence,reinforces the current recommendations and integrates the recent advances for optimal care and prevention of RSV *** improvements in the management of RSV infections will require generating the highest quality of evidence through rigorously designed studies that possess little bias and sufficient capacity to identify clinically meaningful end points.

关键词： Consensus prevention Respiratory syncytial virus Treatment

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Recent progress of radionuclides separation by porous materials

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Science China Chemistry 2024年

作者： Yinghui Xie Long yu Long chen cheng chen Li Wang Fenglei liu yun Liao Peng Zhang Tao chen Yihui yuan yuexiang Lu Boyang Huang Hui Yang Suhua Wang Shuao Wang Lijian Ma Feng Luo yunhai liu Baowei Hu Hongqing Wang Duoqiang Pan Wenkun Zhu Ning Wang Zhe Wang Liang Mao Shengqian Ma Xiangke Wang State Key Laboratory of Marine Resource Utilization in South China Sea Collaborative Innovation Center of Marine Science and Technology Hainan University Institute of Nuclear and New Energy Technology Tsinghua University State Key Laboratory of Pollution Control and Resource Reuse School of the Environment Nanjing University Department of Chemistry University of North TexasDenton Guangdong Provincial Key Laboratory for Green Agricultural Production and Intelligent Equipment School of Environmental Science and Engineering Guangdong University of Petrochemical Technology School of Life Science Shaoxing University College of Environmental Science and Engineering North China Electric Power University State Key Laboratory of Radiation Medicine and Protection School for Radiological and Interdisciplinary Sciences (RAD-X) and Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions Soochow University College of Chemistry Sichuan University School of Chemistry and Materials Science East China University of Technology School of Chemistry and Chemical Engineering University of South China Frontiers Science Center for Rare Isotopes Lanzhou University State Key Laboratory of Environment-friendly Energy Materials National Co-innovation Center for Nuclear Waste Disposal and Environmental Safety Sichuan Civil-military Integration Institute School of National Defence & Nuclear Science and TechnologySouthwest University of Science and Technology

The separation of radionuclides is critical for the sustainable development of nuclear energy. It is urgent to design and prepare functionalized materials for efficient radionuclides separation. Porous materials are considered excellent candidates for the separation of radionuclides under complex conditions due to their high specific surface areas, tunable pore structures and controllable functionalities. In this review, we summarized the design, preparation and functionalization of porous materials and their application for separation of radionuclides in the past five years, discussed the separation performance and analyzed the structure-activity relationship between various radionuclides and porous materials, and systematically clarified their characterization and mechanism of different type porous materials. We also introduced the detection, irradiation and chemical toxicity of different reflective radionuclides.

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Potentiation of the lateral habenula-ventral tegmental area pathway underlines the susceptibility to depression in mice with chronic pain

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Science China(Life Sciences) 2024年第1期67卷 67-82页

作者： Chun-Kui Zhang Pan Wang yuan-yuan Ji Jian-Shuai Zhao Jun-Xiang Gu Xian-Xia Yan Hong-Wei Fan Ming-Ming Zhang yu Qiao Xiao-Die liu Bao-Juan Li Ming-Hui Wang Hai-Long Dong Hao-Hong Li Peng-cheng Huang yun-Qing Li Wu-Gang Hou Jin-Lian Li Tao chen Department of Anatomy and K.K.Leung Brain Research Centre Fourth Military Medical UniversityXi’an 710032China Beijing Institute of Basic Medical Sciences Beijing 100850China Key Laboratory of Ministry of Public Health for Forensic Science Xi’an Jiaotong UniversityXi’an 710061China Department of Anesthesiology Xijing HospitalFourth Military Medical UniversityXi’an 710032China Department of Neurosurgery the Second Affiliated Hospital of Xian Jiaotong UniversityXi’an 710004China School of Biomedical Engineering Fourth Military Medical UniversityXi’an 710032China Affiliated Mental Health Centre and Hangzhou Seventh People’s Hospital Zhejiang University School of MedicineHangzhou 310013China The MOE Frontier Research Center of Brain&Brain-machine Integration Zhejiang University School of Brain Science and Brain MedicineHangzhou 310058China Department of Neurology The First Affiliated Hospital of Nanchang UniversityNanchang 330006China Department of Anatomy School of MedicineNorthwest UniversityXi’an 710069China

Chronic pain often develops severe mood changes such as ***,how chronic pain leads to depression remains elusive and the mechanisms determining individuals’responses to depression are largely *** we found that depression-like behaviors could only be observed in 67.9%of mice with chronic neuropathic pain,leaving 32.1%of mice with depression *** determined that the spike discharges of the ventral tegmental area(VTA)-projecting lateral habenula(LHb)glutamatergic(Glu)neurons were sequentially increased in sham,resilient and susceptible mice,which consequently inhibited VTA dopaminergic(DA)neurons through a LHbGlu-VTAGABA-VTADA ***,the LHbGlu-VTADA excitatory inputs were dampened via GABAB receptors in a pre-synaptic *** of LHb-VTA pathway largely affected the development of depressive symptoms caused by chronic *** study thus identifies a pivotal role of the LHb-VTA pathway in coupling chronic pain with depression and highlights the activity-dependent contribution of LHbGlu-to-VTADA inhibition in depressive behavioral regulation.

关键词： chronic pain depression lateral habenula ventral tegmental area dopamine susceptibility

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基于多重信息融合与轨迹关联修正的多目标跟踪方法

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控制与决策 2024年第6期39卷 1888-1896页

作者：田嘉意李辉李赛宇陈双敏刘云青岛科技大学信息科学技术学院山东青岛266061

一阶段多目标跟踪框架由于可以有效提升算法跟踪效率而备受关注,然而该框架在提升效率的同时忽略了检测与关联任务间信息的交互,且目标遮挡的频发会导致轨迹碎片的增加,从而影响跟踪效果.针对这些问题,提出基于多重信息融合与轨迹关联... 详细信息

一阶段多目标跟踪框架由于可以有效提升算法跟踪效率而备受关注,然而该框架在提升效率的同时忽略了检测与关联任务间信息的交互,且目标遮挡的频发会导致轨迹碎片的增加,从而影响跟踪效果.针对这些问题,提出基于多重信息融合与轨迹关联修正的多目标跟踪方法.通过无锚一阶段主干网络,在检测器上另外建立跟踪分支预测跟踪偏移量和嵌入特征信息;设计中和匹配关联模块优化跨帧特征匹配方式,协调检测与关联任务,提升两任务间信息交互能力;采用多重信息融合模块,对时空多层次特征进行融合以获得更加丰富的特征信息;提出轨迹关联修正网络处理因遮挡造成的轨迹碎片,通过改进数据关联方式评估碎片与检测低分目标关系,尝试找回遮挡目标轨迹;将提出的算法在MOT16和MOT17数据集上进行评估,并与其他优异的算法定量比较.通过分析实验结果可以发现,所提出的方法能有效缓解关键性问题,提升算法整体性能.

关键词：多目标跟踪轨迹碎片嵌入特征中和匹配多重信息融合轨迹关联修正

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鼠妇内生真菌Talaromyces malicola的次生代谢产物研究

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中国中药杂志 2024年第16期49卷 4470-4476页

作者：杨晨宇陈科良刘洋易诚贾兴宝刘云宝中国医学科学院北京协和医学院药物研究所天然药物活性物质与功能国家重点实验室北京100050

对节肢动物鼠妇内生真菌Talaromyces malicola的次生代谢产物进行研究,采用硅胶柱色谱、凝胶柱色谱、半制备液相色谱等进行分离纯化,共从鼠妇内生真菌***发酵物的乙酸乙酯部位中分离鉴定出11个化合物。结合核磁共振波谱、高分辨质谱、... 详细信息

对节肢动物鼠妇内生真菌Talaromyces malicola的次生代谢产物进行研究,采用硅胶柱色谱、凝胶柱色谱、半制备液相色谱等进行分离纯化,共从鼠妇内生真菌***发酵物的乙酸乙酯部位中分离鉴定出11个化合物。结合核磁共振波谱、高分辨质谱、紫外、红外以及圆二色谱等分析方法确定了化合物的结构,分别为talarosesquiterpene A(1)、(3β,5α,6α,15α,22E)-5,6-epoxyergosta-8(14),22-diene-3,7,15-triol(2)、vermistatin(3)、hydroxyvermistatin(4)、bercheminol A(5)、penicillide(6)、lunatinin(7)、penipurdin A(8)、emodin(9)、BE-25327(10)、(-)-regiolone(11)。化合物1为新的diaporol型倍半萜类化合物,化合物2、4~5、7~11为首次从篮状菌属真菌中分离得到。

关键词：鼠妇内生真菌 Talaromyces malicola 次生代谢产物

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海藻酸钠复合水凝胶的制备及在中药挥发油缓释领域的应用进展

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高分子材料科学与工程 2024年第4期40卷 175-181页

作者：俞树琴王芸周强陈晖刘雪枫刘雄施小宁高建德甘肃中医药大学药学院甘肃兰州730000 省部共建教育部西北中藏药协同创新中心甘肃兰州730000

海藻酸钠由于来源广泛、价格低廉,分子中含有大量的羧基、羟基,在较为温和的环境中,能够迅速地构成三维网状结构的水凝胶而受到了人们的广泛关注,但单一的海藻酸钠水凝胶力学性能和力学强度较差。当与其他物质形成复合水凝胶后则因其优... 详细信息

海藻酸钠由于来源广泛、价格低廉,分子中含有大量的羧基、羟基,在较为温和的环境中,能够迅速地构成三维网状结构的水凝胶而受到了人们的广泛关注,但单一的海藻酸钠水凝胶力学性能和力学强度较差。当与其他物质形成复合水凝胶后则因其优异的生物相容性、生物降解性和pH敏感性被广泛应用于敏感药物的缓控释领域。文中主要介绍了海藻酸钠复合水凝胶的相应制备方法和性能,以及在中药挥发油缓释领域的应用进展,同时指出了海藻酸钠复合水凝胶在中药挥发油缓释领域存在的问题及未来主要的研究方向。

关键词：海藻酸钠复合水凝胶中药挥发油缓释

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基于二维斑点追踪技术制定妊娠28~39周低风险胎儿心脏大小和形态的参考值范围

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复旦学报（医学版） 2024年第1期51卷 41-49页

作者：朱晨须成杰刘芮李嫚熊钰项金莲任芸芸复旦大学附属妇产科医院超声科上海200011 复旦大学附属妇产科医院信息科上海200011 复旦大学附属妇产科医院产科上海200011

目的采用二维斑点追踪技术制定妊娠28~39周的低风险胎儿心脏大小和形态的参考值范围。方法前瞻性收集复旦大学附属妇产科医院行超声心动图检查的低风险单胎妊娠453例,应用二维斑点追踪技术评估胎儿四腔心和心室的大小(长径、宽径和面积... 详细信息

目的采用二维斑点追踪技术制定妊娠28~39周的低风险胎儿心脏大小和形态的参考值范围。方法前瞻性收集复旦大学附属妇产科医院行超声心动图检查的低风险单胎妊娠453例,应用二维斑点追踪技术评估胎儿四腔心和心室的大小(长径、宽径和面积)及形态(球形指数,即长径与宽径的比值)。使用同类相关系数评估组间和组内测量的重复一致性。对心脏测量参数进行统计分析,建立低风险胎儿心脏大小和形态的参考值范围。结果胎儿心脏参数测量的重复一致性检验的组间和组内相关系数为0.691~0.980。胎儿四腔心和心室大小随孕周的增加而增加(均P<0.001),左室舒张末期长径大于右室,舒张末期宽径小于右室,差异均有统计学意义(均P<0.001),而两心室的舒张末期面积对比差异无统计学意义(P=0.050)。四腔心的球形指数与孕周不存在相关性(P=0.811)。左室的基底段和中间段的球形指数大于右室,心尖段的球形指数小于右室,差异均有统计学意义(均P<0.01)。结论采用二维斑点追踪技术评估胎儿心脏参数具有较好的可重复性。本研究制定的低风险胎儿心脏大小和形态参考值范围,将为产前评价心脏重塑提供帮助。

关键词：超声心动图斑点追踪 fetalHQ 心脏大小球形指数(SI) 胎儿

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Searching for^(76)Ge neutrinoless double beta decay with the CDEX-1B experiment

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Chinese Physics C 2024年第10期48卷 11-22页

作者： Bing-Tao Zhang Jun-Zheng Wang Li-Tao Yang Qian yue Ke-Jun Kang yuan-Jing Li Hai-Peng An C.Greeshma Jian-Ping Chang yun-Huan chen Jian-Ping cheng Wen-Han Dai Zhi Deng Chang-Hao Fang Xin-Ping Geng Hui Gong Qiu-Ju Guo Xu-yuan Guo Li He Sheng-Ming He Jin-Wei Hu Han-Xiong Huang Tu-chen Huang Hai-Tao Jia Xi Jiang S.Karmakar Hao-Bin Li Jian-Min Li Jin Li Qian-yun Li Ren-Ming-Jie Li Xue-Qian Li yu-Lan Li Yi-Fan Liang Bin Liao Fong-Kay Lin Shin-Ted Lin Jia-Xuan liu Shu-Kui liu Yan-Dong liu yu liu yuan-yuan liu Zhong-Zhi liu Hao Ma yu-Cai Mao Qi-yuan Nie Jin-Hua Ning Hui Pan Ning-Chun Qi Jie Ren Xi-Chao Ruan Ze She Manoj Kumar Singh tian-Xi Sun Chang-Jian Tang Wei-You Tang Yang tian Guang-Fu Wang Li Wang Qing Wang yu-Feng Wang yun-Xiang Wang Henry-Tsz-King Wong Shi-Yong Wu yu-cheng Wu Hao-Yang Xing Rui Xu Yin Xu Tao Xue yu-Lu Yan Nan Yi Chun-Xu yu Hai-Jun yu Jian-Feng yue Ming Zeng Zhi Zeng Feng-Shou Zhang Lei Zhang Zhen-Hua Zhang Zhen-yu Zhang Kang-Kang Zhao Ming-Gang Zhao Ji-Fang Zhou Zu-Ying Zhou Jing-Jun Zhou Key Laboratory of Particle and Radiation Imaging(Ministry of Education)and Department of Engineering Physics Tsinghua UniversityBeijing 100084 Department of Physics Tsinghua UniversityBeijing 100084 Institute of Physics Academia SinicaTaipei 11529 NUCTECH Company Beijing 100084 YaLong River Hydropower Development Company Chengdu 610051 College of Nuclear Science and Technology Beijing Normal UniversityBeijing 100875 College of Physics Sichuan UniversityChengdu 610065 School of Physics Peking UniversityBeijing 100871 Department of Nuclear Physics China Institute of Atomic EnergyBeijing 102413 Sino-French Institute of Nuclear and Technology Sun Yat-sen UniversityZhuhai 519082 School of Physics Nankai UniversityTianjin 300071 Department of Physics Banaras Hindu UniversityVaranasi 221005 Department of Physics Beijing Normal UniversityBeijing 100875

We operated a p-type point contact high purity germanium(PPCGe)detector(CDEX-1B,1.008 kg)in the China Jinping Underground Laboratory(CJPL)for 500.3 days to search for neutrinoless double beta(0νββ)decay of^(76)Ge.A total of 504.3 kg⋅day effective exposure data was *** anti-coincidence and the multi/single-site event(MSE/SSE)discrimination methods were used to suppress the background in the energy region of interest(ROI,1989–2089 keV for this work)with a factor of 23.A background level of 0.33 counts/(keV⋅kg⋅yr)was *** lower limit on the half life of^(76)Ge 0νββdecay was constrained as T_(1/2)^(0ν)>1.0×10^(23)yr(90%C.L.),corresponding to the upper limits on the effective Majorana neutrino mass:<3.2–7.5 eV.

关键词： neutrinoless double beta decay CDEX point-contact germanium detector ^(76)Ge

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国内大循环背景下国家级承接产业转移示范区低碳发展效应研究

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软科学 2024年第7期38卷 86-94页

作者：任亚运胡宇晨刘俊霞贵州财经大学经济学院贵阳550025 西南大学经济管理学院重庆400715

基于2003-2020年地级市数据,采用多期双重差分模型检验国家级承接产业转移示范区政策对承接地低碳发展的影响。研究表明:国家级承接产业转移示范区的设立显著促进了承接地的低碳发展;国家级承接产业转移示范区政策的低碳发展效应在资源... 详细信息

基于2003-2020年地级市数据,采用多期双重差分模型检验国家级承接产业转移示范区政策对承接地低碳发展的影响。研究表明:国家级承接产业转移示范区的设立显著促进了承接地的低碳发展;国家级承接产业转移示范区政策的低碳发展效应在资源型城市和非资源型城市、老工业基地城市和非老工业基地城市间存在异质性;从作用渠道上看,国家级承接产业转移示范区政策主要通过刺激绿色技术创新和提升政府环境关注程度来促进承接地低碳发展。

关键词：国内大循环国家级承接产业转移示范区低碳发展双重差分法

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