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Defect-induced magnetism in χ_(3) borophene

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Rare Metals 2022年第10期41卷 3486-3494页

作者： qiao-lu lin Hao Liang Can-Qin Zhou Zheng-Fang Qian Yi-ling Sun Xue-Yuan Wang Ren-Heng Wang Key Laboratory of Optoelectronic Devices and Systems of the Ministry of Education and Guangdong Province College of Physics and Optoelectronic EngineeringShenzhen UniversityShenzhen518060China Department of Materials Science and Engineering City University of Hong KongHong Kong999077China

Borophene is an emerging and promising twodimensional material for spintronics ***,the origin and controllability of its magnetism remain poorly understood,thereby hindering the further development of borophene-based *** this study,it is demonstrated that χ_(3) borophene with vacancy defects,which contains zigzag edges and dangling bonds,exhibits spin *** understand the origin and characteristics of its magnetism,a magnetic study of vacancy defects in χ_(3) borophene using first-principles calculations was *** is determined that the unpaired dangling bond electrons in the σ state contribute to its magnetism,and the zigzagged vacancy structure helps to maintain the localization and stability of unpaired *** coupling is completed by the s-p orbital interaction and mediated by p-orbital itinerant *** magnetic coupling energy difference oscillates with the distance of magnetic atoms because of the indirect magnetic exchange by itinerant electrons and electronic shielding,in accordance with the Ruderman-Kittel-Kasuya-Yosida(RKKY)***,the causality between the dangling bonds and magnetism is identified by saturating magnetic B atoms using H,C and N *** study provides a reference for the regulation of borophene in magnetic semiconductors.

关键词： Two-dimensional(2D)materials Borophene Vacancy Magnetic properties First-principles Nanostructure

Giant congenital cerebriform pigmented nevus of scalp:case report

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Chinese Medical Journal 2007年第10期120卷 943-944页

作者： ZHANG Zu-yong DU Qun DONG Xiao-qiao FU lin lu Yong-ming Department of Neurosurgery First People＇s Hospital Hangzhou 310006 China

Giant pigmented nevus is a kind of congenital malformation that derived from ectodermal neural crest cells. In this article, we report a case of giant gyms-like pigmented nevus of the scalp.

关键词： pigmented nevus scalp

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经济全球化条件下的国企改革与发展

天津行政学院学报 2002年第3期4卷 34-38页

作者：朱巧琳卢现祥中南财经政法大学经济学院武汉430064

中国加入WTO标志着中国经济融入了国际主流经济,这将加快我国国有企业市场化改革的进程。国有企业在现代市场经济条件下有着特殊的职能、任务和特殊的利益,具有不可替代的特殊作用。但加入WTO后,对国有企业原有的优势造成了巨大的冲击... 详细信息

中国加入WTO标志着中国经济融入了国际主流经济,这将加快我国国有企业市场化改革的进程。国有企业在现代市场经济条件下有着特殊的职能、任务和特殊的利益,具有不可替代的特殊作用。但加入WTO后,对国有企业原有的优势造成了巨大的冲击。我国国有企业在经济全球化条件下,要加快战略调整,加快建立现代企业制度,培养一批具有国际竞争力的跨国公司。

关键词：竞争国国民待遇比较优势公司治理企业集群化

High Fe‑Loading Single‑Atom Catalyst Boosts ROS Production by Density Effect for Efficient Antibacterial Therapy

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Nano-Micro Letters 2025年第2期17卷 187-203页

作者： Si Chen Fang Huang Lijie Mao Zhimin Zhang Han lin Qixin Yan Xiangyu lu Jianlin Shi Department of Cardiology Shanghai Tenth People’s HospitalSchool of MedicineTongji UniversityShanghai 200092People’s Republic of China Shanghai Institute of Ceramics Chinese Academy of SciencesShanghai 200050People’s Republic of China Shanghai Frontiers Science Center of Nanocatalytic Medicine School of MedicineTongji UniversityShanghai 200092People’s Republic of China

The current single-atom catalysts(SACs)for medicine still suffer from the limited active site ***,we develop a synthetic method capable of increasing both the metal loading and mass-specific activity of SACs by exchanging zinc with *** constructed iron SACs(h^(3)-FNC)with a high metal loading of 6.27 wt%and an optimized adjacent Fe distance of~4 A exhibit excellent oxidase-like catalytic performance without significant activity decay after being stored for six months and promising antibacterial ***,a“density effect”has been found at a high-enough metal doping amount,at which individual active sites become close enough to interact with each other and alter the electronic structure,resulting in significantly boosted intrinsic activity of single-atomic iron sites in h^(3)-FNCs by 2.3 times compared to low-and medium-loading ***,the overall catalytic activity of h^(3)-FNC is highly improved,with mass activity and metal mass-specific activity that are,respectively,66 and 315 times higher than those of commercial Pt/*** addition,h^(3)-FNCs demonstrate efficiently enhanced capability in catalyzing oxygen reduction into superoxide anion(O_(2)·^(−))and glutathione(GSH)*** in vitro and in vivo assays demonstrate the superior antibacterial efficacy of h^(3)-FNCs in promoting wound *** work presents an intriguing activity-enhancement effect in catalysts and exhibits impressive therapeutic efficacy in combating bacterial infections.

关键词： Nanocatalytic medicine Single-atom catalysts Reactive oxygen species(ROS) High metal loading Oxidase catalysis

Clinical value of combining epirubicin with mindfulness intervention in patients with urinary system tumors and depression

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World Journal of Psychiatry 2025年第1期15卷 54-62页

作者： Juan Liu Yan-Ping Guo Yan-Mei lu Bei-lin Wang Department of Urology Surgery Zhumadian Central HospitalZhumadian 463000Henan ProvinceChina Department of Psychiatry Zhumadian Mental HospitalZhumadian 463000Henan ProvinceChina

BACKGROUND Urinary system tumors often cause negative psychological symptoms,such as depression and dysphoria which significantly impact immune function and indirectly affect cancer *** epirubicin(EPI)is recommended by the European Association of Urology and can improve prognosis,its long-term use can cause toxic side effects,reduce treatment compliance,and increase psycho-logical ***,an appropriate intervention mode is *** This was a retrospective study including 110 patients with urinary system tumors and depression admitted to Zhumadian Central Hospital between March 2021 and July *** were divided into conventional(n=55)and joint inter-vention(n=55)*** conventional group received mitomycin and routine nursing,while the joint intervention group received EPI and mindfulness *** groups underwent three cycles of *** function(CD4+cells,CD8+cells,CD4+/CD8+ratio),tumor marker levels[urinary bladder cancer antigen(UBC),bladder tumor antigen(BTA)and nuclear matrix protein 22(NMP22)],quality of life questionnaire-core 30(QLQ-C30),17-item Hamilton depression scale(HAMD-17),and cancer-related fatigue[cancer fatigue scale(CFS)]were *** reactions and nursing satisfaction were recorded and *** Post-intervention,CD4+,CD8+,and CD4+/CD8+levels increased in both groups,with the joint intervention group showing more significant improvement(PluSION EPI combined with mindfulness intervention significantly improved clinical outcomes in patients with urinar

关键词： Urinary system tumor Bladder cancer Prostate cancer Depression Epirubicin

Nanostructured ZnO/BiVO_(4)I-scheme heterojunctions for piezocatalytic degradation of organic dyes via harvesting ultrasonic vibration energy

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International Journal of Minerals,Metallurgy and Materials 2025年第2期32卷 488-497页

作者： Yiling Li Xiaoyao Yu Yingjie Zhou Yao lin Ying Wu Key Laboratory of the Ministry of Education for Advanced Catalysis Materials College of Chemistry and Materials ScienceZhejiang Normal UniversityJinhua 321004China

BiVO_(4)porous spheres modified by ZnO were designed and synthesized using a facile two-step *** resulting ZnO/BiVO_(4)composite catalysts have shown remarkable efficiency as piezoelectric catalysts for degrading Rhodamine B(RhB)unde mechanical vibrations,they exhibit superior activity compared to pure *** 40wt%ZnO/BiVO_(4)heterojunction composite displayed the highest activity,along with good stability and *** enhanced piezoelectric catalytic activity can be attributed to the form ation of an I-scheme heterojunction structure,which can effectively inhibit the electron-hole ***,hole(h+)and superoxide radical(·O_(2)^(-))are proved to be the primary active ***,ZnO/BiVO_(4)stands as an efficient and stable piezoelectric catalyst with broad potential application in the field of environmental water pollution treatment.

关键词： piezoelectric catalytic heterojunction dye degradation ultrasonic vibration

NS2000计算机监控系统在500kv昆山变电站的应用情况分析

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岳阳职业技术学院学报 2007年第1期22卷 71-75页

作者：陈波罗春明鲁桥林刘勤岳阳电业局湖南岳阳414000

对应用在500kv昆山变电站的NS2000监控系统(UNIX平台)的结构、功能作了简要介绍,总结了该系统的技术特点,分析了在验收与运行中发现的一些值得探讨的问题,并提出了相应的改进建议。

关键词：昆山变电站 NS2000计算机监控系统应用情况分析

Transfer RNA-derived small RNA serves as potential non-invasive diagnostic marker and a novel therapeutic target for acute pancreatitis

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World Journal of Gastroenterology 2025年第1期31卷 152-156页

作者： Jing Zhang Chun-lin Ou Department of Immunology School of Basic MedicineCentral South UniversityChangsha 410000Hunan ProvinceChina Department of Pathology Xiangya HospitalCentral South UniversityChangsha 410008Hunan ProvinceChina

Transfer RNA(tRNA)-derived fragments,a new type of tRNA-derived small RNA(tsRNA),can be cleaved from tRNA by enzymes to regulate target gene expression at the transcriptional and translational *** are not only degradation fragments but also have biological functions,including those in immune inflammation,metabolic disorders,and cell *** dysregulation is closely associated with multiple diseases,including various cancers and acute pancreatitis(AP).AP is a common gastrointestinal disease,and its incidence increases *** development is associated with tsRNAs,which regulate cell injury and induce inflammation,especially pyroptosis and ***,serum tRF36 has the potential to serve as a non-invasive diagnostic biomarker and leads to pancreatic acinar cell ferroptosis causing inflammation to promote *** show the characteristics of tsRNAs and their diagnostic value and function in AP,and discuss the potential opportunities and challenges of using tsRNAs in clinical applications and research.

关键词： Transfer RNA derived small RNAs Acute pancreatitis Liquid biopsy Biomarker Cell pyroptosis Ferroptosis

Influences of open-central canopy on photosynthetic parameters and fruit quality of apples(Malus×domestica)in the Loess Plateau of China

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Horticultural Plant Journal 2022年第2期8卷 133-142页

作者： lu lin Zimian Niu Chuangdao Jiang lu Yu Hongning Wang Meiyu qiao College of Horticulture Shanxi Agricultural UniversityTaiyuanShanxi 030031China Key Laboratory of Plant Resources Institute of BotanyChinese Academy of SciencesBeijing 100093China Institute of Pomology Shanxi Agricultural UniversityTaiyuanShanxi 030031China

Although open-central canopy(OCC)is popular in apple(Malus×domestica)orchards in Loess Plateau of China,its relevant photosynthetic mechanisms have not been *** this study,changes in photosynthetically active radiation(PAR),gas exchange,chlorophyll fluorescence quenching and fruit quality in apple trees were measured in OCC and compared with those in the conventional condensed round and large canopy(RLC).Results showed that light intercepted at different orientations was 44%higher by OCC than that by *** improved light environment within OCC remarkably increased leaf maximum net photosynthetic rate(Pnmax)and significantly decreased stomatal *** high light,the ratio of photorespiratory rate to gross photosynthetic rate(Pr/Pg)in OCC was higher than that in ***,reversible component in non-photochemical quenching(r(qE))was increased,while irreversible component(r(qI))was decreased in OCC than in *** a result,the fruit quality in OCC was greatly boosted as evidenced by the significantly increased single fruit weight,fruit flesh firmness and fruit soluble solid contents and the sharply decreased fruit titratable acid *** intercepted by the canopy and the fruit soluble solid contents,leaf Pnmaxor single fruit weight were positively correlated,while PAR or Pnmaxwas negatively correlated with the fruit titratable acid ***,the improved crown light environment and the enhanced leaf photosynthetic performance and photoprotective capacity in OCC led to the boosted fruit quality.

关键词： Apple Open-central canopy Light environment Photosynthesis Thermal dissipation Photorespiration Fruit quality