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m.ntle contributions to granitoids associated with Sn m.neralization:Geochem.cal and isotopic evidence from.the giant Dachang deposit,South China

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Geoscience Frontiers 2024年第1期15卷 187-208页

作者： Tingyi Wang Qihai shu x.aoping x.a Chao Li Yanning Wang Jiahao Chen x.ang Sun m.Santosh Qingfei Wang State Key Laboratory of Geological Processes and m.neral Resources China University of GeosciencesBeijing 100083China Frontiers Science Center for Deep-tim. Digital Earth China University of Geosciences(Beijing)Beijing 100083China State Key Laboratory of Isotope Geochem.stry Guangzhou Institute of GeochemistryChinese Academy of SciencesGuangzhou 510640China National Research Center for Geoanalysis Chinese Academy of Geological SciencesBeijing 100037China Departm.nt of Earth Science University of AdelaideAdelaideSouth Australia 5005Australia State Key Laboratory of Nuclear Resources and Environm.nt East China University of TechnologyNanchang 330013China

m.jor Sn deposits are com.only linked to crust-derived and highly evolved granites,with m.gm. generation aided by m.ntle ***,whether and how the m.ntle com.onents contribute to Sn polym.tallic m.neralization rem.ins *** this study,in com.ination with a com.ilation of equivalent data in the region,we provide new constraints on this issue based on detailed investigations on the petrogenesis and m.tallogenic significance of granitoids including the causative batholith and later granodiorite porphyry dike in the giant Dachang Sn deposit from.South *** form.r has zircon U-Pb ages of 93-91 m. and belongs to highly evolved S-type biotite granite,which ex.erienced fractionation of m.ssive *** latter shows zircon U-Pb ages of 90 m. and displays I-type granite *** batholith was m.inly derived from.the dehydration m.lting of biotite in the m.tasedim.ntary sources,as revealed by the relatively low whole-rock Pb contents(m.and high Ba/Pb ratios(2.71-17.1)and initial T(ti-zr)of 790℃.Com.ared with the adjacent crust-derived S-type granites(-24.8--5.1)and I-type granites(-11.0 to-5.2),the Dachang S-type biotite granites present higher zirconεHf(t)values(-9.1 to-2.1).Furtherm.re,the low m.gm.tic zirconδ18O values(6.2‰)and higher apatite LREE(3277-4114 ppm.and Sr(1137-1357 ppm.contents than of arc-type basic rocks were *** characteristics jointly hint the contributions of m.ntle *** higher initial T(ti-zr)(>850℃),whole-rock m.#(52 to 58),apatiteεNd(t)(-9.2 to-6.5)and zirconεHf(t)(-7.6 to 2.5)values but lower zirconδ18O values(6.33 to 8.30‰)of the later granodiorite porphyry dike than those of the batholith also suggest that m.ntle m.terial was involved in the generation of the dikes,which is evident by the variational features of zircon and apatite trace *** addition,at the zircon Hfm.and Eu/Eu*>0.05,the higher zirconΔFm. values(m.stly from.1.8 to 2.0)and H2O contents(100-1100 ppm.of the Dachang

关键词： Highly evolved S-type biotite granite I-type granodiorite porphyry dike Crust-m.ntle m.x.ng m.ntle contributions Dachang Sn m.neralization

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Bioinspired polysaccharide-based nanocom.osite m.m.ranes with robust wet m.chanical properties for guided bone regeneration

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National Science Review 2024年第3期11卷 215-226页

作者： Jian-Hong x.ao Zhen-Bang Zhang JiaHao Li Si-m.ng Chen Huai-Ling Gao Yinx.u Liao Lu Chen Zishuo Wang YiFan Lu YuanZhen Hou HengAn Wu DuoHong Zou shu-Hong Yu Departm.nt of Chem.stry New Cornerstone Science Laboratory Institute of Biomimetic Materials&Chemistry Anhui Engineering Laboratory of Biomimetic MaterialsDivision of Nanomaterials&Chemistry Hefei National Research Center for Physical Sciences at the Microscale University of Science and Technology of China Departm.nt of Dental Im.lant Center Stomatologic Hospital and College Key Laboratory of Oral Diseases Research of Anhui Province Anhui Medical University CAS Key Laboratory of m.chanical Behavior and Design of m.terials Department of Modern Mechanics CAS Center for Excellence in Complex System Mechanics University of Science and Technology of China Departm.nt of Oral Surgery College of Stomatology National Clinical Research Center for Oral DiseasesShanghai Key Laboratory of Stomatology Shanghai Research Institute of Stomatology Shanghai Ninth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine Institute of Innovative m.terials(I2m. Department of Chemistry Department of Materials Science and Engineering Southern University of Science and Technology

Polysaccharide-based m.m.ranes with ex.ellent m.chanical properties are highly desired. However, severe m.chanical deterioration under wet conditions lim.ts their biom.dical applications. Here, inspired by the structural heterogeneity of strong yet hydrated biological m.terials, we propose a strategy based on heterogeneous crosslink-and-hydration（HCH） of a m.lecule/nano dual-scale network to fabricate polysaccharide-based nanocom.osites with robust wet m.chanical properties. The heterogeneity lies in that the crosslink-and-hydration occurs in the m.lecule-network while the stress-bearing nanofiber-network rem.ins unaffected. As one dem.nstration, a m.m.rane assem.led by bacterial cellulose nanofiber-network and Ca2+-crosslinked and hydrated sodium.alginate m.lecule-network is designed. Studies show that the crosslinked-and-hydrated m.lecule-network restricts water invasion and boosts stress transfer of the nanofiber-network by serving as interfibrous bridge. Overall, the m.lecule-network m.kes the m.m.rane hydrated and flex.ble; the nanofiber-network as stress-bearing com.onent provides strength and *** HCH dual-scale network featuring a cooperative effect stim.lates the design of advanced biom.terials applied under wet conditions such as guided bone regeneration m.m.ranes.

关键词： bioinspiration heterogeneous crosslink-and-hydration dual-scale network nanocom.osite m.m.rane wet m.chanical properties guided bone regeneration

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Solid solution strategy m.dulated defects engineering of(Cr_(1-x.V_(x.)_(2)AlC m.x.phase toward superior electrom.gnetic wave absorption

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Rare m.tals 2024年第7期43卷 3205-3219页

作者： Ji-Lin Gou Yu-Kai Chang shu Liu Peng-Hui Li Ping-Hao Cui Qian-Ku Hu Li-Bo Wang x.n Zhang Jun-Kai Wang Qi-x.n x.a Ai-Guo Zhou School of m.terials Science and Engineering Henan Polytechnic UniversityJiaozuo 454003China Key Laboratory for m.crostructural m.terial Physics of Hebei Province School of ScienceYanshan UniversityQinhuangdao 066004China State Key Laboratory of m.tastable m.terials Science and Technology Yanshan UniversityQinhuangdao 066004China

Defects engineering is an effective strategy for m.nipulating electrom.gnetic param.ters and enhancing electrom.gnetic wave(Em.)absorption ***,the relationship between them.is not clear,especially in solid solution *** this work,a series of(Cr_(1-x.V_(x.)_(2)AlC m.x.phase solid solutions with layered structure were prepared via tuning the ratio of Cr and V to ex.lore their Em. absorption *** ex.erim.ntal results indicated that the doping of V atom. at the m.site could effectively regulate its im.edance m.tching and Em. absorption properties by introducing appropriate num.ers of defects in the crystal,such as twin boundaries,dislocations and lattice *** them.if Cr:V=3:1,Cr_(1.5)V_(0.5)AlC,as radar absorption m.terials,could reach a strong reflection loss of-51.8 dB at the frequency of 12.8 GHz under an ultra-thin thickness of 1.3 *** reflection loss value could attain-10 dB in a wide frequency range of 2.7-18 GHz and thickness range of 1-5 *** addition,after high tem.erature and acid-alkali im.ersion treatm.nt,this sam.le still had good Em. absorption capability,and the effective absorption bandwidth was enhanced from.2.3 to 2.6 GHz after concentrated acid im.ersion or 3.1 GHz after concentrated alkali *** work has great reference significance for the research and developm.nt of high-perform.nce m.x.based Em. absorption m.terials in harsh environm.nts.

关键词： m.x.phases Solid solution Defects engineering Electrom.gnetic wave absorption Harsh environm.nts

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Tm.SF1 is im.licated in prom.ting the proliferation and invasion of bladder cancer cells

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World Journal of Clinical Oncology 2024年第2期15卷 175-177页

作者： shu-Qing Zhou Lian-x.ang Luo The First Clinical College Guangdong Medical UniversityZhanjiang 524023Guangdong ProvinceChina The m.rine Biom.dical Research Institute Guangdong Medical UniversityZhanjiang 524000Guangdong ProvinceChina

Zhuo et al looked into the part of transm.m.rane 9 superfam.ly m.m.er 1(Tm.SF1)in bladder cancer(BC),and evaluated if it can be used as a therapeutic *** created a perm.nent BC cell line and tested the effects of Tm.SF1 overex.ression and suppression on BC cell growth,m.vem.nt,invasion,and cell cycle *** results show that Tm.SF1 can boost the growth,m.vem.nt,and invasion of BC cells and their access into the G2/m.stage of the cell *** research gives a novel direction and concept for targeted therapy of BC.

关键词： Bladder cancer Tm.SF1 Cell proliferation m.gration Invasion Tm.SF1 overex.ression Tm.SF1 silencing inhibits

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Linux.拟文件系统层的路径检索加速

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国防科技大学学报 2024年第2期46卷 215-223页

作者：邹彦良殷树上海科技大学信息科学与技术学院上海201210 中国科学院上海微系统与信息技术研究所上海200050 中国科学院大学北京100049

为解决Linux.核传统路径检索日益凸显的开销问题,提出Staged Lookup以加速路径检索,通过动态缓存热目录来减少文件访问的时延。Staged Lookup的核心在于缓存频繁使用的目录项,从而避免从根节点重复遍历路径。不同于从根结点开始的检索... 详细信息

为解决Linux.核传统路径检索日益凸显的开销问题,提出Staged Lookup以加速路径检索,通过动态缓存热目录来减少文件访问的时延。Staged Lookup的核心在于缓存频繁使用的目录项,从而避免从根节点重复遍历路径。不同于从根结点开始的检索操作,Staged Lookup扩展了搜索策略,允许从最近缓存的目录项向后或向前进行路径检索。在Linux.核版本3.14和5.4上部署Staged Lookup的原型,并开展实际系统测试。实验数据显示,相比于传统的路径检索方式,Staged Lookup能实现高达46.9%的性能提升。

关键词：路径检索虚拟文件系统内核目录缓存性能

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Concurrence of high dust aerosol and stratosphere-intruded ozone pollution in super sandstorm.

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Science Bulletin 2024年第16期69卷 2509-2513页

作者： Zhix.ong Chen Jane Liu x.ushu Qie x.geng Cheng m.ngm.ao Yang Lei shu Jing m.Chen Key Laboratory for Hum.d Subtropical Eco-Geographical Processes of the m.nistry of Education School of Geographical SciencesFujian Normal UniversityFuzhou 350117China Key Laboratory of Atm.spheric Environm.nt and Ex.rem. m.teorology Chinese Academy of SciencesBeijing 100029China Departm.nt of Geography and Planning University of TorontoToronto M5S 3G3Canada Key Laboratory of m.ddle Atm.sphere and Global Environm.nt Observation(LAGEO) Institute of Atmospheric PhysicsChinese Academy of SciencesBeijing 100029China College of Earth and Planetary Science University of Chinese Academy of SciencesBeijing 100049China

The air quality in China has substantially im.roved in recent years,as indicated by the declining trends in SO_(2),NO_(2),Pm.(2.5)and Pm.(10)*** the reduced anthropogenic pollutant em.ssions;however,sustained increases in surface ozone(O_(3))that m.y im.air the effectiveness of clean air actions have been ***,com.lex.heavy pollution episodes can still occur,and som. of these episodes are closely linked with *** ex.m.le,two severe sandstorm. occurred successively in the early spring of 2021 in North China,despite the sandstorm.frequency in China having significantly decreased in recent years[1-3].

关键词： ozone sands aerosol

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m.dulating p-type doping of two-dim.nsional m.terial palladium.diselenide

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Nano Research 2024年第4期17卷 3232-3244页

作者： Jiali Yang Yu Liu En-Yang Wang Jinbo Pang Shirong Huang Thom.s Gem.ing Jinshun Bi Alicja Bachm.tiuk Hao Jia shu-x.an Hu Chongyun Jiang Hong Liu Gianaurelio Cuniberti Weijia Zhou m.rk H Rüm.eli Institute for Advanced Interdisciplinary Research(iAIR) University of JinanJinan 250022China Institute for m.terials Chem.stry Leibniz Institute for Solid State and Materials Research Dresden(IFW Dresden)20 Helmholtz StrasseDresden 01069Germany State Key Lab of Transducer Technology Shanghai Institute of Microsystem and Information TechnologyChinese Academy of SciencesShanghai 200050China College of Energy Soochow Institute for Energy and Materials Innovations Soochow UniversitySuzhou 215006China Key Laboratory of Advanced Carbon m.terials and Wearable Energy Technologies of Jiangsu Province Soochow UniversitySuzhou 215006China School of Integrated Circuits University of Chinese Academy of SciencesBeijing 101408China Institute of m.croelectronics of Tianjin Binhai New Area Tianjin 300451China Institute of m.croelectronics Chinese Academy of SciencesBeijing 100029China Lukasiewicz Research Network PORT Polish Center for Technology DevelopmentStablowicka 147Wroclaw 54-066Poland School of m.them.tics and Physics University of Science and Technology BeijingBeijing 100083China College of electronic inform.tion and optical engineering Nankai UniversityTianjin 300350China Centre of Polym.r and Carbon m.terials Polish Academy of SciencesM.Curie Sklodowskiej 34Zabrze 41-819Poland Center for Energy and Environm.ntal Technologies VŠB-Technical University of Ostrava17.Listopadu 15Ostrava 70833Czech Republic State Key Laboratory of Crystal m.terials Center of Bio&Micro/Nano Functional MaterialsShandong UniversityJinan 250100China Dresden Center for Com.utational m.terials Science Technische Universität DresdenDresden 01062Germany Dresden Center for Intelligent m.terials(GCL DCIm. Technische Universität DresdenDresden 01062Germany Institute for m.terials Science and m.x.Bergm.nn Center of Biom.terials Technische Universität DresdenDresden 01069Germany Center for Advancing Electronics Dresden Technische Universität DresdenDresden 01069Germany

The van der Waals heterostructures have evolved as novel m.terials for com.lem.nting the Si-based sem.conductor ***-10 noble m.tal dichalcogenides(e.g.,PtS_(2),PtSe_(2),PdS_(2),and PdSe_(2))have been listed into two-dim.nsional(2D)m.terials toolkit to assem.le van der Waals *** them.PdSe_(2) dem.nstrates advantages of high stability in air,high m.bility,and wide tunable ***,the regulation of p-type doping of PdSe_(2) rem.ins unsolved problem.prior to fabricating p–n junction as a fundam.ntal platform.of sem.conductor ***,a quantitative m.thod for the controllable doping of PdSe_(2) is yet to be *** this study,the doping level of PdSe_(2) was correlated with the concentration of Lewis acids,for ex.m.le,SnCl_(4),used for *** the transfer characteristics,the threshold voltage(the gate voltage corresponding to the m.nim.m.drain current)increased after SnCl_(4) soaking ***_(2) transistors were soaked in SnCl_(4) solutions with five different *** threshold voltages from.the as-obtained transfer curves were ex.racted for linear fitting to the threshold voltage versus doping concentration correlation *** study provides in-depth insights into the controllable p-type doping of PdSe_(2).It m.y also push forward the research of the regulation of conductivity behaviors of 2D m.terials.

关键词： two-dim.nsional(2D)m.terials Lewis acid treatm.nt p-type doping field-effect transistors transfer characteristic

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Heterophase junction engineering-induced Co spin-state m.dulation of CoSe_(2) for large-current hydrogen evolution reaction

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Rare m.tals 2024年第6期43卷 2660-2670页

作者： Bao-Chai x. Ya-Ping m.ao m.n-Qin m.o Dong-Lian Li Song x.e Wei-Hong Jin shu x.ao Jing Wen Zaenab Abd-Allah Zhi-Tian Liu x.ang Peng Paul K.Chu Hubei Key Laboratory of Plasm. Chem.stry and Advanced m.terials School of Materials Science and EngineeringWuhan Institute of TechnologyWuhan 430205China School of Tex.ile Science and Engineering Xi'an Polytechnic UniversityXi'an 710048China Institute of Advanced Wear and Corrosion Resistant and Functional m.terials Jinan UniversityGuangzhou 510632China Institute of Safety Science and Engineering South China University of TechnologyGuangzhou 510641China Departm.nt of Engineering Manchester Metropolitan UniversityManchester M156BHUK Departm.nt of Physics Department of Materials Science and Engineeringand Department of Biomedical EngineeringCity University of Hong KongHong Kong 999077China

Efficient electrocatalysts are vital to large-current hydrogen production in com.ercial water splitting for green energy ***,a novel heterophase engineering strategy is described to produce polym.rphic CoSe_(2)*** com.osition of the electrocatalysts consisting of both cubic CoSe_(2)(c-CoSe_(2))and orthorhom.ic CoSe_(2)(o-CoSe_(2))phases can be controlled *** results dem.nstrate that junction-induced spin-state m.dulation of Co atom. enhances the adsorption of interm.diates and accelerates charge transfer resulting in superior large-current hydrogen evolution reaction(HER)***,the CoSe_(2)based heterophase catalyst with the optim.l c-CoSe_(2)content requires an overpotential of m.rely 240 m. to achieve 1,000 m.·cm.(-2)as well as a Tafel slope of 50.4 m.·dec^(-1).Furtherm.re,the electrocatalyst can m.intain a large current density of 1,500 m.·cm.(-2)for over 320 h without *** results reveal the advantages and potential of heterophase junction engineering pertaining to design and fabrication of low-cost transition m.tal catalysts for large-current water splitting.

关键词： Heterophase junction Spin-state Hydrogen evolution reaction Large current electrochem.cal hydrogen production Water splitting

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Finite-tem.erature ductility-brittleness and electronic structures of Al_(n)Sc(n=1,2 and 3)

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Rare m.tals 2024年第8期43卷 3974-3989页

作者： x.e-Qian Wang Ying Zhao Hao-x.an Liu shu-Chen Sun Hong-Bo Yang Jia-m.n Zhong Gan-Feng Tu Song Li Yu-Dong Zhang Claude Esling Hai-Le Yan Liang Zuo Key Laboratory for Anisotropy and Tex.ure of m.terials(m.nistry of Education) School of Material Science and EngineeringNortheastern UniversityShenyang 110819China School of m.tallurgy Northeastern UniversityShenyang 110819China Rare Earth Functional m.terials(x.ong'an)Innovation Center Co. Ltd.Xiong'an 071700China Laboratoire d'étude des m.crostructures et de m.canique des m.tériaux.LEm.) Unikersitéde Lorraine57045MetzFrance

Finite-tem.erature ductility-brittleness and electronic structures of Al_(3)Sc,Al_(2)Sc and AlSc are studied com.aratively by first-principles calculations and ab initio m.lecular *** show that Al_(3)Sc and Al_(2)Sc are brittle at both ground state and finite tem.eratures,while AlSc possesses a significantly superior *** ground state,AlSc is ductile from.Pugh's and Poisson's criteria,while it is brittle in Pettifor's *** ductility of all Al_(3)Sc,Al_(2)Sc and AISc im.roves greatly with the elevated ***,the Cauchy pressure of AlSc undergoes a transition from.negative to *** T>600 K,AlSc is unequivocally classified as ductile from.all criteria *** all com.ounds,the Al-Al bond originated from.s-p and p-p orbital hybridizations,and the Al-Sc bond dom.nated by p-d covalent hybridization,are the first and second strongest chem.cal bonds,*** ex.lain the difference in m.chanical properties,the m.an bond strength(m.S)is introduced in this *** weaker Al-Al bond in AlSc,leading to a sm.ller m.S,could be the origin of the softer elastic stiffness and superior intrinsic *** longer length of the Al-Al bond in AlSc is responsible for its weaker bond ***,the enhanced m.tallicity of the Al-Al bond in AlSc would also contribute to its ex.eptional *** longer length of the Al-Al bond in AISc is responsible for its weaker bond ***,the enhanced m.tallicity of the Al-Al bond in AlSc would also contribute to its ex.eptional ductility.

关键词： Al-Sc Target m.terials Intrinsic ductility Finite-tem.erature elastic constant First-principles calculation

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Designing Sym.etric Gradient Honeycom. Structures with Carbon‑Coated Iron‑Based Com.osites for High‑Efficiency m.crowave Absorption

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Nano-m.cro Letters 2024年第11期16卷 224-241页

作者： Yu Zhang shu‑Hao Yang Yue x.n Bo Cai Peng‑Fei Hu Hai‑Yang Dai Chen‑m.ng Liang Yun‑Tong m.ng Ji‑Hao Su x.ao‑Juan Zhang m.n Lu Guang‑Sheng Wang School of Chem.stry Beihang UniversityBeijing 100191People’s Republic of China School of Electronics and Inform.tion Zhengzhou University of Light IndustryZhengzhou 450002People’s Republic of China School of Chem.cal Engineering Northeast Electric Power UniversityJilin 132000People’s Republic of China College of Chem.stry and m.terials Engineering Beijing Technology and Business UniversityBeijing 100048People’s Republic of China

The im.edance m.tching of absorbers is a vital factor affecting their m.crowave absorption(m.)*** this work,we controllably synthesized m.terial of Institute Lavoisier 88C(m.L-88C)with varying aspect ratios(AR)as a precursor by regulating oil bath conditions,followed by one-step therm.l decom.osition to obtain carbon-coated iron-based *** the precursor m.L-88C(Fe)preparation conditions,such as the m.lar ratio between m.tal ions and organic ligands(m.O),oil bath tem.erature,and oil bath tim.,influenced the phases,graphitization degree,and AR of the derivatives,enabling low filler loading,achieving well-m.tched im.edance,and ensuring outstanding m. *** m.F-derivatives 2(m._(2))/polyvinylidene Difluoride(PVDF),m._(3)/PVDF,and m.4/PVDF absorbers all ex.ibited ex.ellent m. properties with optim.l filler loadings below 20 wt%and as low as 5 wt%.The m._(2)/PVDF(5 wt%)achieved a m.x.m.m.effective absorption bandwidth(EAB)of 5.52 GHz(1.90 m.).The m._(3)/PVDF(10 wt%)possessed a m.nim.m.reflection loss(RL_(m.n))value of−67.4 at 12.56 GHz(2.13 m.).A sym.etric gradient honeycom. structure(SGHS)was constructed utilizing the high-frequency structure sim.lator(HFSS)to further ex.end the EAB,achieving an EAB of 14.6 GHz and a RL_(m.n) of−59.0 *** research offers a viable inspiration to creating structures or m.terials with high-efficiency m. properties.

关键词： m.L-88C(Fe) Fe/Fe_(3)O_(4)/Fe_(3)C@C Controllable preparation Sym.etric gradient honeycom. structure m.crowave absorbing

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