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基于复合相位超构表面的多功能电磁波调控(特邀)

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光学学报 2024年第10期44卷 139-150页

作者：王卓何琼孙树林周磊复旦大学物理学系应用表面物理国家重点实验室上海市超构表面光场调控重点实验室上海200433 复旦大学光科学与工程系上海超精密光学制造工程技术研究中心上海200433

从超构表面调控电磁波研究的发展历史出发,详细介绍了基于复合相位超构表面实现高效多功能调控圆偏振电磁波的原理、设计思路和实验模拟表征,对近期国内外在这一领域的研究进展进行简要的论述,着力以此引导相关研究性实验教学,并为相关... 详细信息

从超构表面调控电磁波研究的发展历史出发,详细介绍了基于复合相位超构表面实现高效多功能调控圆偏振电磁波的原理、设计思路和实验模拟表征,对近期国内外在这一领域的研究进展进行简要的论述,着力以此引导相关研究性实验教学,并为相关领域研究人员提供指引。

关键词：超构表面共振相位传输相位几何相位复合相位圆偏振光多功能

中国-东盟产业链合作与包容性增长——基于国家间溢出效应的研究

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国际经贸探索 2024年第8期40卷 36-54页

作者：汪琼蒋瑛杨骁西北民族大学经济学院四川大学经济学院昆明理工大学管理与经济学院

促进区域内经济包容性增长和互利共赢,是中国-东盟产业链合作的题中应有之义。文章基于1995~2018年中国-东盟区域经济体-行业的面板数据,实证检验中国-东盟产业链合作对区域内经济包容性增长的影响。研究发现:(1)中国-东盟产业链合作能... 详细信息

促进区域内经济包容性增长和互利共赢,是中国-东盟产业链合作的题中应有之义。文章基于1995~2018年中国-东盟区域经济体-行业的面板数据,实证检验中国-东盟产业链合作对区域内经济包容性增长的影响。研究发现:(1)中国-东盟产业链合作能够从效率层面和公平层面促进区域内经济包容性增长,这一效应因产业、标志性执行协议的不同而具有异质性。(2)机制检验表明,中国-东盟产业链合作主要通过提升生产率和就业需求进而促进效率层面包容性增长;通过收敛制度质量差距和技术差距进而实现公平层面包容性增长。(3)扩展研究表明,区域外产业链合作难以实现包容性增长;区域贸易协定的“数量”而非“质量”强化了中国-东盟产业链合作的包容性增长效应。

关键词：中国-东盟产业链合作成效包容性增长增加值溢出

Molar ratio induced crystal transformation from coordination complex to coordination polymers

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Chinese Chemical Letters 2024年第4期35卷 539-543页

作者： Peng Meng Qian-Cheng Luo Aidan Brock Xiaodong wang Mahboobeh Shahbazi Aaron Micallef john McMurtrie Dongchen Qi Yan-Zhen Zheng Jingsan Xu School of Chemistry and Physics&Centre for Materials Science Queensland University of TechnologyBrisbaneQLD 4000Australia Frontier Institute of Science and Technology Xi'an Jiaotong UniversityXi'an 710054China Central Analytical Research Facility Institute for Future EnvironmentsQueensland University of TechnologyBrisbaneQLD 4000Australia

Coordination complex of a copper cyanurate(Cu(Ⅱ)-CA) was transformed into coordination polymers upon the stimulus of extra Cu(Ⅱ) through “directed Ostwald ripening”. By increasing the molar ratio of Cu(Ⅱ) to CA, we obtained two coordination polymers with selective coordination sites: Cu(Ⅱ)-κ N(HCA)κ NCu(Ⅱ) and Cu(Ⅱ)-κ N(HCA)κ O-Cu(Ⅱ), which display disparate magnetic interactions.

关键词： Molar ratio dependent crystal transformation Copper cyanurate Ostwald ripening Molecular magnetism One-dimensional chain

Metal-metal bonds in Zintl clusters:Synthesis,structure and bonding in[Fe_(2)Sn_(4)Bi_(8)]^(3-)and[Cr_(2)Sb_(12)]^(3-)

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Chinese Chemical Letters 2024年第8期35卷 558-566页

作者： Ya-Nan Yang Zi-Sheng Li Sourav Mondal Lei Qiao Cui-Cui wang Wen-Juan Tian Zhong-Ming Sun john E.McGrady State Key Laboratory of Element-Organic Chemistry Tianjin Key Lab for Rare Earth Materials and ApplicationsSchool of Materials Science and EngineeringNankai UniversityTianjin 300350China Department of Chemistry University of OxfordInorganic Chemistry LaboratoryOxfordOX13QRUnited Kingdom

We report here the synthesis and characterization of two new members of the M2 E 12 family of endohe-dral Zintl clusters,[Fe_(2)Sn_(4)Bi_(8)]^(3-)and[Cr_(2)Sb_(12)]^(3-),both of which contain open-shell metal dimers encap-sulated inside a triple-decker cluster of main-group *** 75-electron[Fe_(2)Sn_(4)Bi_(8)]^(3-)cluster has a D4h-symmetric structure,while[Cr_(2)Sb_(12)]^(3-),despite having the same 75-electron count,is strongly dis-torted to a geometry that resembles a CrSb_(8)crown capped by a CrSb_(4)*** structural differences between the two are driven by the increasing availability of 3d electron density in the earlier transi-tion metal,which leads,ultimately,to different electronic configurations in the two *** trends precisely mirror those observed in the ME_(10)and ME_(12)families containing a single transition metal ion.

关键词： Zintl anions Endohedral clusters Metal-metal bond Second-order Jahn-Teller effect DFT calculation

Two-photon polymerization lithography for imaging optics

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International Journal of Extreme Manufacturing 2024年第4期6卷 21-60页

作者： Hao wang Cheng-Feng Pan Chi Li Kishan S Menghrajani Markus A Schmidt Aoling Li Fu Fan Yu Zhou wang Zhang Hongtao wang Parvathi Nair Suseela Nair john You En Chan Tomohiro Mori Yueqiang Hu Guangwei Hu Stefan A Maier Haoran Ren Huigao Duan Joel K W Yang College of Mechanical and Vehicle Engineering Hunan UniversityChangsha 410082People's Republic of China Engineering Product Development Singapore University of Technology and DesignSingapore 487372Singapore Greater Bay Area Institute for Innovation Hunan UniversityGuangzhou 511300People's Republic of China Department of Electrical and Computer Engineering National University of Singapore4 Engineering Drive 3Singapore 117576Singapore School of Physics and Astronomy Faculty of ScienceMonash UniversityMelbourneVictoria 3800Australia Leibniz Institute of Photonic Technology 07745 JenaGermany Abbe Center of Photonics and Faculty of Physics FSU Jena07745 JenaGermany Otto Schott Institute of Material Research FSU Jena07745 JenaGermany Institute of Materials Research and Engineering A*STAR(Agency for Science Technology and Research)Singapore 138634Singapore Industrial Technology Center of Wakayama Prefecture Wakayama 6496261Japan School of Electrical and Electronic Engineering Nanyang Technological UniversitySingapore639798Singapore Department of Physics Imperial College LondonLondon SW72AZUnited Kingdom

Optical imaging systems have greatly extended human visual capabilities,enabling the observation and understanding of diverse *** technologies span a broad spectrum of wavelengths from x-ray to radio frequencies and impact research activities and our daily *** glass lenses are fabricated through a series of complex processes,while polymers offer versatility and ease of ***,modern applications often require complex lens assemblies,driving the need for miniaturization and advanced designs with micro-and nanoscale features to surpass the capabilities of traditional fabrication ***-dimensional(3D)printing,or additive manufacturing,presents a solution to these challenges with benefits of rapid prototyping,customized geometries,and efficient production,particularly suited for miniaturized optical imaging *** 3D printing methods have demonstrated advantages over traditional counterparts,yet challenges remain in achieving nanoscale ***-photon polymerization lithography(TPL),a nanoscale 3D printing technique,enables the fabrication of intricate structures beyond the optical diffraction limit via the nonlinear process of two-photon absorption within liquid *** offers unprecedented abilities,***-free fabrication,micro-and nanoscale capabilities,and rapid prototyping of almost arbitrary complex 3D *** this review,we emphasize the importance of the criteria for optical performance evaluation of imaging devices,discuss material properties relevant to TPL,fabrication techniques,and highlight the application of TPL in optical *** the first panoramic review on this topic,it will equip researchers with foundational knowledge and recent advancements of TPL for imaging optics,promoting a deeper understanding of the *** leveraging on its high-resolution capability,extensive material range,and true 3D processing,alongside advances in materials,fabrication,and design,we en

关键词： two-photon polymerization lithography 3D printing additive manufacturing imaging optics and nanophotonics

Intracoronary thrombolysis combined with drug balloon angioplasty in a young ST-segment elevation myocardial infarction patient:A case report

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World Journal of Cardiology 2024年第9期16卷 531-541页

作者： Li-qiong She De-Kui Gao Le Hong Yin Tian Hui-Zhen wang Sheng Huang Department of Critical Care Medicine Jiangyou Second People's HospitalJiangyou 621701Sichuan ProvinceChina Department of Cardiology Jiangyou Second People's HospitalJiangyou 621701Sichuan ProvinceChina Department of Interventional Medicine Jiangyou Second People's HospitalJiangyou 621701Sichuan ProvinceChina

BACKGROUND The combination of acute ST-segment elevation myocardial infarction(STEMI)and gastric ulcers poses a challenge to primary percutaneous coronary intervention(PPCI),particularly for young *** role of drug-coated balloons(DCBs)in the treatment of de novo coronary artery lesions in large vessels remains unclear,especially for patients with *** strategy is to implement drug balloon angioplasty following the intracoronary administration of low-dose prourokinase and adequate *** SUMMARY A 54-year-old male patient presented to the emergency department due to chest pain on June 24,*** the first 3 minutes of the initial assessment in the emergency room,the electrocardiogram(ECG)showed significant *** was atrial fibrillation with ST-segment ***,atrial fibrillation terminated spontaneously and reverted to sinus *** after,the patient experienced *** ECG revealed torsades de pointes ventricular tachycardia.A few seconds later,it returned to sinus ***-sensitivity tropon in I was *** diagnosis was acute *** coronary angiography revealed subtotal occlusion with thrombus formation in the proximal segment of the left anterior descending *** the patient's age and history of peptic ulcer disease,after the intracoronary injection of prourokinase,percutaneous transluminal coronary angioplasty and cutting balloon angioplasty were conducted for thorough preconditioning,and paclitaxel drug-eluting balloon angioplasty was performed without any stents,achieving favorable *** A PPCI without stents may be a viable treatment strategy for select patients with STEMI,and further research is warranted.

关键词： STsegment elevation myocardial infarction Recombinant human prourokinase De novo coronary lesion Large vessels Drug-eluting balloon angioplasty Case report

新质生产力赋能文化和旅游产业高质量发展的逻辑机理、现实挑战与实践路径

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南京社会科学 2024年第7期 152-160页

作者：王琼杨德才南京大学商学院南京210093

新质生产力作为生产力发展的质变跃迁,是推动文化和旅游产业高质量发展的动力之源。因此,在社会主义文化强国建设背景下,研究新质生产力如何赋能文化和旅游产业高质量发展问题具有重要现实意义。通过分析研究,本文认为新质生产力可以通... 详细信息

新质生产力作为生产力发展的质变跃迁,是推动文化和旅游产业高质量发展的动力之源。因此,在社会主义文化强国建设背景下,研究新质生产力如何赋能文化和旅游产业高质量发展问题具有重要现实意义。通过分析研究,本文认为新质生产力可以通过技术创新效应、产业融合效应、资源配置效应以及绿色低碳效应等四种机制赋能文化和旅游产业高质量发展。然而,对于文化和旅游产业而言,新质生产力的形成是一个复杂的系统工程,当前仍面临数字技术应用的业务生态落地滞缓、生产关系调节亟需优化、高质量人力资本存在明显短板等诸多现实挑战。为此,应在“技术—产业—资源—生态”的框架下,构建新质生产力赋能文化和旅游产业高质量发展的多维实践路径,包括加快科技创新,推动产业数字化转型;促进业态融合,拓展产业发展新空间;补齐要素短板,提升产业核心竞争力;坚持生态优先,塑造产业绿色生产力。

关键词：新质生产力文化和旅游高质量发展实践路径

产业结构差异对企业OFDI区位选择的影响研究

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软科学 2024年第5期38卷 39-47页

作者：蒋瑛杨骁汪琼四川大学经济学院成都610065 昆明理工大学管理与经济学院昆明650500 西北民族大学经济学院兰州1730030

基于企业对外投资微观数据研究发现:企业更倾向投资与母国产业结构相似的国家,从不同投资动机对该结果进行验证。结果表明:企业生产率与国内市场化水平提升会强化这一影响,外部市场冲击则效果相反。从企业OFDI绩效研究发现,与东道国产... 详细信息

基于企业对外投资微观数据研究发现:企业更倾向投资与母国产业结构相似的国家,从不同投资动机对该结果进行验证。结果表明:企业生产率与国内市场化水平提升会强化这一影响,外部市场冲击则效果相反。从企业OFDI绩效研究发现,与东道国产业结构差异降低会对企业OFDI带来生产率、资产收益与出口规模的提升。

关键词：对外直接投资区位选择产业结构差异

两种乔木落叶浸提液对高羊茅幼苗生长和根际土壤酶活性的影响

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草业科学 2024年第6期41卷 1288-1296页

作者：汪琼闻永慧辛培尧西南林业大学园林园艺学院云南昆明650224

为探讨林木落叶浸提液对高羊茅(Festucaarundinacea)幼苗生长和根际土壤性质的影响,通过室内模拟试验,设置不同浓度银杏(Ginkgo biloba)、鸡爪槭(Acer palmatum)落叶浸提液[10(T_(1))、40(T2)、80 g·L^(-1)(T_(3)),以清水为对照]分别... 详细信息

为探讨林木落叶浸提液对高羊茅(Festucaarundinacea)幼苗生长和根际土壤性质的影响,通过室内模拟试验,设置不同浓度银杏(Ginkgo biloba)、鸡爪槭(Acer palmatum)落叶浸提液[10(T_(1))、40(T2)、80 g·L^(-1)(T_(3)),以清水为对照]分别浇灌盆栽高羊茅幼苗,研究两种乔木落叶浸提液对高羊茅幼苗生长和根际土壤酶活性的影响。结果表明,在两种乔木落叶浸提液处理下,高羊茅过氧化氢酶(CAT)活性较对照变化不大。超氧化物歧化酶(SOD)、过氧化物酶(POD)活性随银杏落叶浸提液浓度的增加呈先升高后降低的变化趋势,而丙二醛(MDA)含量则呈先升高后降低再升高的趋势,T_(3)处理时,MDA含量较对照上升了60.33%;在鸡爪槭落叶浸提液处理下,高羊茅SOD活性逐渐降低,MDA含量呈先升高后降低趋势,POD活性随浸提液浓度增加呈先升高后降低再升高的趋势,T_(3)处理时,POD活性较对照上升了151.03%(P<0.05)。两种乔木落叶浸提液处理下高羊茅根际土壤木糖苷酶(XYL)、β-葡萄糖苷酶(BG)、α-葡萄糖苷酶(AG)和纤维二糖酶(CBH)、总酶活性较对照显著上升,而亮氨酸氨基肽酶(LAP)活性则先降低后升高,但各处理下LAP活性均低于对照,尤其在银杏、鸡爪槭落叶浸提液T_(1)处理时,LAP活性较对照分别降低了31.69%和70.40%,导致基质土壤氮素利用率低,显著降低高羊茅生长指标和生理指标。研究结果表明,两种乔木落叶浸提液对高羊茅幼苗株高、根长和叶绿素含量均有明显抑制作用,银杏落叶浸提液的化感抑制作用强于鸡爪槭。

关键词：抗氧化酶植物生长化感作用土壤性质植物配置