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Research on the Impact of China’s Foreign Trade Technology spillover on Green Total Factor Productivity of Countries Along the“Belt and Road”:Based on the Institutional Quality Threshold Effect

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Proceedings of Business and Economic studies 2024年第2期7卷 120-125页

作者： Li chai Longnan Ma Lingwei Meng Xinjiang University of Finance and Economics Urumqi 830012China Capital University of Economics and Business Beijing 100070China

China’s growing trade with countries along the“Belt and Road”Initiative is accompanied by a focus on green *** on the panel data from 2007 to 2018,this paper establishes a threshold regression model to empirically analyze the institutional quality threshold effect of China’s foreign trade technology spillover on the GTFP of countries along the“Belt and Road.”The results show that China’s foreign trade technology spillover has a significant institutional quality double threshold effect on the green total factor productivity of the countries along the“Belt and Road.”As the institutional quality of the countries along the“Belt and Road”crosses a specific threshold value,the impact of China’s foreign trade technology spillover on the green total factor productivity of the countries along the“Belt and Road”has a significant positive promoting effect,and corresponding suggestions are put forward.

关键词： Technology spillover Green total factor productivity Institutional quality Threshold effect

Cath-KP,a novel peptide derived from frog skin,prevents oxidative stress damage in a Parkinson’s disease model

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Zoological Research 2024年第1期45卷 108-124页

作者： Huanpeng Lu Jinwei chai Zijian Xu Jiena Wu songzhe He Hang Liao Peng Huang Xiaowen Huang Xi Chen Haishan Jiang shaogang Qu Xueqing Xu Department of Neurology Nanfang HospitalSouthern Medical UniversityGuangzhouGuangdong 510515China Guangdong Provincial Key Laboratory of New Drug screening School of Pharmaceutical SciencesSouthern Medical UniversityGuangzhouGuangdong 510515China Guangdong-Hong Kong-Macao Greater Bay Area Center for Brain science and Brain-Inspired Intelligence GuangzhouGuangdong 510515China Key Laboratory of Mental Health of the Ministry of Education Southern Medical UniversityGuangzhouGuangdong 510515China Department of Dermatology Nanfang HospitalSouthern Medical UniversityGuangzhouGuangdong 510515China Department of Neurology Ganzhou Hospital-Nanfang HospitalSouthern Medical UniversityGanzhouJiangxi 341001China

Parkinson’s disease(PD)is a neurodegenerative condition that results in dyskinesia,with oxidative stress playing a pivotal role in its *** peptides may thus present therapeutic potential for *** this study,a novel cathelicidin peptide(Cath-KP;GCsGRFCNLF NNRRPGRLTLIHRPGGDKRTsTGLIYV)was identified from the skin of the Asiatic painted frog(Kaloula pulchra).structural analysis using circular dichroism and homology modeling revealed a uniqueαββconformation for *** vitro experiments,including free radical scavenging and ferric-reducing antioxidant analyses,confirmed its antioxidant *** the 1-methyl-4-phenylpyridinium ion(MPP^(+))-induced dopamine cell line and 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine(MPTP)-induced PD mice,Cath-KP was found to penetrate cells and reach deep brain tissues,resulting in improved MPP^(+)-induced cell viability and reduced oxidative stress-induced damage by promoting antioxidant enzyme expression and alleviating mitochondrial and intracellular reactive oxygen species accumulation through sirtuin-1(sirt1)/Nuclear factor erythroid 2-related factor 2(Nrf2)pathway *** focal adhesion kinase(FAK)and p38 were also identified as regulatory *** the MPTP-induced PD mice,Cath-KP administration increased the number of tyrosine hydroxylase(TH)-positive neurons,restored TH content,and ameliorated *** the best of our knowledge,this study is the first to report on a cathelicidin peptide demonstrating potent antioxidant and neuroprotective properties in a PD model by targeting oxidative *** findings expand the known functions of cathelicidins,and hold promise for the development of therapeutic agents for PD.

关键词： Cath-KP Peptide Parkinson’s disease Oxidative stress Neuroprotection

Identification of a natural PLA2 inhibitor from the marine fungus Aspergillus sp.c1 for MAFLD treatment that suppressed lipotoxicity by inhibiting the IRE-1a/XBP-1s axis and JNK signaling

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Acta Pharmaceutica sinica B 2024年第1期14卷 304-318页

作者： Yong Rao Rui su Chenyan Wu Xingxing chai Jinjian Li Guanyu Yang Junjie Wu Tingting Fu Zhongping Jiang Zhikai Guo Congjun Xu Ling Huang Key Laboratory of Tropical Biological Resources of Ministry of Education School of Pharmaceutical SciencesHainan UniversityHaikou 570200China Hainan Key Laboratory of Tropical Microbe Resources Institute of Tropical Bioscience and BiotechnologyChinese Academy of Tropical Agricultural Sciences&Key Laboratory for Biology and Genetic Resources of Tropical Crops of Hainan ProvinceHainan Institute for Tropical Agricultural ResourcesHaikou 571101China school of Pharmaceutical sciences Guangdong Provincial Key Laboratory of New Drug Design and EvaluationSun Yat-sen UniversityGuangzhou 510275China Laboratory Animal Center of Guangdong Medical University Dongguan 523808China

Lipotoxicity is a pivotal factor that initiates and exacerbates liver injury and is involved in the development of metabolic-associated fatty liver disease(MAFLD).However,there are few reported lipotoxicity ***,we identified a natural anti-lipotoxicity candidate,HN-001,from the marine fungus Aspergillus ***-001 dose-and time-dependently reversed palmitic acid(PA)-induced hepatocyte *** protection was associated with IRE-1a-mediated XBP-1 splicing inhibition,which resulted in suppression of XBP-1s nuclear translocation and transcriptional *** of XBP-1s attenuated lipotoxicity,but no additional ameliorative effect of HN-001 on lipotoxicity was observed in XBP-1s knockdown ***,the ER stress and lipotoxicity amelioration was associated with *** HN-001 and the PLA2 inhibitor MAFP inhibited PLA2 activity,reduced lysophosphatidylcholine(LPC)level,subsequently ameliorated *** contrast,overexpression of PLA2 caused exacerbation of lipotoxicity and weakened the anti-lipotoxic effects of ***,HN-001 treatment suppressed the downstream pro-apoptotic JNK *** vivo,chronic administration of HN-001(i.p.)in mice alleviated all manifestations of MAFLD,including hepatic steatosis,liver injury,inflammation,and *** effects were correlated with PLA2/IRE-1a/XBP-1s axis and JNK signaling *** data indicate that HN-001 has therapeutic potential for MAFLD because it suppresses lipotoxicity,and provide a natural structural basis for developing anti-MAFLD candidates.

关键词： Lipotoxicity MAFLD ER stress IRE-1a XBP-1s JNK PLA2

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用于航天器耦合微振动分析的修正动质量法

振动与冲击 2024年第5期43卷 283-291页

作者：柴江帅罗青国防科技大学空天科学学院长沙410073

针对航天器的微振动耦合问题,分别通过动力学平衡方程、动质量法和机械阻抗理论推导建立了微振动源与支撑结构的耦合传递模型,并对比分析了传统动质量法的适用范围。研究表明传统动质量法会对低频范围内耦合特性分析带来较大误差,且适... 详细信息

针对航天器的微振动耦合问题,分别通过动力学平衡方程、动质量法和机械阻抗理论推导建立了微振动源与支撑结构的耦合传递模型,并对比分析了传统动质量法的适用范围。研究表明传统动质量法会对低频范围内耦合特性分析带来较大误差,且适用于微振动源质量远小于支撑结构的情况。在此基础上,提出了基于机械阻抗理论的修正动质量理论方法,并据此建立了反作用飞轮与航天器平台结构的耦合动力学模型,重点给出了采用修正动质量法对陀螺效应的处理方式。利用所建模型,仿真分析了反作用飞轮微振动对航天器平台结构动态影响,以及陀螺效应对系统动态特性的影响规律。所提出的修正动质量法可为航天器耦合微振动分析及地面微振动测试的开展提供理论参考。

关键词：航天器微振动动力学耦合修正动质量法机械阻抗陀螺效应

宋代土地诉讼中的恤孤幼寡老思想--以《名公书判清明集》判词为中心

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政法论坛 2024年第1期42卷 134-144页

作者：柴荣北京师范大学法学院

恤孤幼寡老的德治仁爱思想是中国古代优秀法文化的重要内容之一。土地作为基本的生产生活资料,对孤幼寡老的生活保障和精神抚慰都具有重要意义。宋代在涉及孤幼寡老的土地诉讼中,对这些弱势群体土地权益的保护,在立法和司法中均有体现:... 详细信息

恤孤幼寡老的德治仁爱思想是中国古代优秀法文化的重要内容之一。土地作为基本的生产生活资料,对孤幼寡老的生活保障和精神抚慰都具有重要意义。宋代在涉及孤幼寡老的土地诉讼中,对这些弱势群体土地权益的保护,在立法和司法中均有体现:其一,以律典敕令等法律形式,形成了“检校”等特别保护法律规范;其二,以仁爱为指导,通过“国法”与“情理”融合的方式,在司法实践中,对法律进行目的扩张性解释。从历史语境分析,中国古代对孤幼寡老的特别法律保护缘起于周代,宋代相对完备的恤孤幼寡老社会保障思想制度是自古传统人道法文化的延续丰富。从社会效果分析,宋代土地诉讼中对孤幼寡老的特别保护,是地方官府通过个案实践追求德治,以实现法律的仁政教化社会功能的重要路径。

关键词：宋代土地诉讼恤孤幼恤寡老《名公书判清明集》

Acoustofluidic separation of prolate and spherical micro-objects

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Microsystems & Nanoengineering 2024年第1期10卷 217-230页

作者： Muhammad soban Khan Mushtaq Ali song Ha Lee Keun young Jang seong Jae Lee Jinsoo Park Department of Mechanical Engineering Chonnam National University77 Yongbong-roBuk-guGwangju 61186Republic of Korea Department of Polymer Engineering The University of Suwon17 Wauan-gilBongdam-eupHwaseongGyeonggi 18323Republic of Korea

Most microfluidic separation techniques rely largely on object size as a separation *** ability to separate micro-objects based on their shape is crucial in various biomedical and chemical ***,we develop an ondemand,label-free acoustofluidic method to separate prolate ellipsoids from spherical microparticles based on traveling surface acoustic wave-induced acoustic radiation force and *** freely rotating non-spherical microobjects were aligned under the progressive acoustic field by the counterrotating radiation torque,and the major axis of the prolate ellipsoids was parallel to the progressive wave *** specific alignment of the ellipsoidal particles resulted in a reduction in the cross-sectional area perpendicular to the wave *** a consequence,the acoustic backscattering decreased,resulting in a decreased magnitude of the radiation *** the variation in radiation force,which depended on the micro-object morphology enabled the acoustofluidic shape-based *** conducted numerical simulations for the wave scattering of spherical and prolate objects to elucidate the working mechanism underlying the proposed method.A series of experiments with polystyrene microspheres,prolate ellipsoids,and peanut-shaped microparticles were performed for *** quantitative analysis of the separation efficiency,we confirmed the high purity and high recovery rate of the proposed acoustofluidic shapebased separation of *** a bioparticle,we utilize Thalassiosira eccentrica to perform shape-based separation,as the species has a variety of potential applications in drug delivery,biosensing,nanofabrication,bioencapsulation and immunoisolation.

关键词： separation spherical rotating

Primary Ewing sarcoma of the kidney mimicking cystic papillary renal cell carcinoma in an older patient:A case repor

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World Journal of Clinical Cases 2024年第15期12卷 2606-2613页

作者： suhong Kim Jongsoo Park young Hwii Ko Hee Jung Kwon Department of Radiology Yeungnam UniversityDaegu 42415South Korea Department of Urology Yeungnam UniversityDaegu 42415South Korea Department of Pathology Yeungnam UniversityDaegu 42415South Korea

BACKGROUND Ewing’s sarcoma(Es)is a neuroectodermal tumor that typically occurs in the bones and soft tissues of children and young *** renal Es is rare;only a few cases and a small case series have been documented,and only four cases involved primary renal Es in older people(>65 years old).CAsE sUMMARY Herein,we describe the radiological and pathological features of primary renal Es in an older person.A 76-year-old man complained of poor oral intake and was found to have a large cystic renal mass with indistinct margins on computed ***-guided biopsy revealed that the tumor contained small round blue *** patient underwent a right radical *** tumor cells showed diffuse membranous CD99,and nuclear friend leukemia integration 1 transcription factor and NK2 Homeobox *** in situ hybridization revealed EWsR1 ***,18F-fluorodeoxyglucose positron emission tomography revealed no evidence of *** patient was diagnosed with primary renal *** months following the surgery,local recurrence and distant metastasis were *** renal Es is rare and often lethal in older *** specific imaging findings are unknown,and treatment protocols have not been *** This case report describes the radiological and pathological features of primary renal Es in an older person.

关键词： Ewing sarcoma Elder Renal Kidney Neuroectodermal Case report

Evidence for distortion-induced local electric polarization in α-RuCl

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science China(Physics,Mechanics & Astronomy) 2024年

作者： Xinrun Mi De Hou Xiao Wang sabreen Hammouda Caixing Liu Zijian Xiong Han Li Yan Liu Guiwen Wang Aifeng Wang Yisheng chai Yang Qi Wei Li Xiaoyuan Zhou Yixi su D.I.Khomskii Mingquan He Zhigao sheng young sun College of Physics Center of Quantum Materials and Devices Chongqing University Anhui Key Laboratory of Condensed Matter Physics at Extreme Conditions High Magnetic Field Laboratory Hefei Institutes of Physical Science Anhui Chinese Academy of Sciences University of science and Technology of China Jülich Centre for Neutron scienceat Heinz Maier-Leibnitz Zentrum (JCNs-MLZ) Forschungszentrum Jülich GmbH school of Physics Beihang University Analytical and Testing Center Chongqing University state Key Laboratory of surface Physics Department of Physics Fudan University CAs Key Laboratory of Theoretical Physics Institute of Theoretical Physics Chinese Academy of Sciences II.Physikalisches Institut Universit?t zu K?ln

The spin-orbit assisted Mott insulator α-RuCl3is a prime candidate for material realization of the Kitaev quantum spin *** little attention has been paid to charge degrees of freedom, charge effects, such as electric polarization, may arise in this system. Here, we report distortion-induced local electric polarization in α-RuCl3as evidenced by single-crystal X-ray diffraction,second harmonic generation（sHG） and dielectric measurements. The sHG signal appears at room temperature and develops substantially in the Kitaev paramagnetic state when short-range spin correlations come into play. Despite sizable pyroelectric currents in the Kitaev paramagnetic state, the absence of hysteresis in the polarization-electric field（P-E） points to the shortrange nature of electric polarization. This localized electric polarization is likely the result of distortion-induced charge dimerization, achieved through virtual hopping-induced charge redistribution. In addition, the electric polarization is boosted by short-range spin correlations via spin-phonon coupling in the Kitaev paramagnetic state. Our results emphasize the importance of charge degrees of freedom in α-RuCl3, which establish a novel platform to investigate charge effects in Kitaev materials.

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融合场景深度估计和视觉传达的复杂光照图像虚拟重建

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激光杂志 2024年第2期45卷 129-134页

作者：柴萍柴金娣甘肃民族师范学院甘肃合作747000 甘肃省非物质文化遗产中心兰州730000

复杂光照图像虚拟中受到光照强度不均衡性影响导致重建效果不好,为了提高复杂光照图像虚拟重建效果,提出基于融合场景深度估计和视觉传达的复杂光照图像虚拟重建方法。针对不同场景深度混频光照的相互干扰采用相关匹配降噪方法实现图像... 详细信息

复杂光照图像虚拟中受到光照强度不均衡性影响导致重建效果不好,为了提高复杂光照图像虚拟重建效果,提出基于融合场景深度估计和视觉传达的复杂光照图像虚拟重建方法。针对不同场景深度混频光照的相互干扰采用相关匹配降噪方法实现图像降噪处理,以光照图像低亮度区域内亮度值中位数作为场景深度的参考值,采用全局特性和局部细节特征拟合的方法实现对复杂光照图像的场景深度检测和视觉跟踪拟合,采用HsV空间特征分解方法实现对不同场景中光照图片亮度通道融合处理,提取场景物体边缘、纹理等细节信息,根据场景深度检测和全局对比度融合下的视觉传达效果实现复杂光照图像虚拟重建。测试结果得知,采用该方法进行复杂光照图像虚拟重建的视觉表达能力较好,重建后的图像细节展示能力较强,能准确重建暗区域内隐藏的图像信息,两个数据集图像的峰值信噪比较高,均方根误差较低,分别为45.63 dB、53.21 dB和0.366、0.265,且重建时长短,仅为1.5 s,具有较强的重建性能。

关键词：融合场景深度视觉传达复杂光照图像虚拟重建细节特征