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A new fabrication m.thod for enhancing the yield of linear m.crom.rror arrays assisted by tem.orary anchors

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m.crosystem. & Nanoengineering 2024年第3期10卷 169-180页

作者： Xingchen Xiao Ting m.o Yingchao Shi Kui Zhou Jia hao Yiting yu Ningbo Institute of Northwestern Polytechnical University College of Mechanical EngineeringNorthwestern Polytechnical University710072 Xi’anChina Key Laboratory of m.cro/Nano System. for Aerospace(m.nistry of Education) Shaanxi Province Key Laboratory of Micro and Nanoelectromechanical SystemsNorthwestern Polytechnical University710072 Xi’anChina

As one of the m.st com.on spatial light m.dulators,linear m.crom.rror arrays(m.As)based on m.croelectrom.chanical system.m.m.)processes are currently utilized in m.ny ***,two crucial challenges exist in the fabrication of such devices:the adhesion of silicon m.crostructures caused by anodic bonding and the destruction of the suspended silicon film.due to residual *** solve these issues,an innovative processing m.thod assisted by tem.orary anchors is *** approach effectively reduces the span of silicon m.crostructures and im.roves the Euler buckling lim.t of the silicon ***,these tem.orary anchors are strategically placed within the prim.ry etching areas,enabling easy rem.val without additional processing *** a result,we successfully achieved wafer-level,high-yield m.nufacturing of linear m.As with a filling factor as high as 95.1%.Dem.nstrating superior capabilities to those of original m.As,our enhanced version boasts a total of 60 linear m.crom.rror elem.nts,each featuring a length-to-width ratio of 52.6,and the entire optical aperture m.asures 5 m.×6 *** linear m.A exhibits an optical deflection angle of 20.4°at 110 Vdc while m.intaining exceptional deflection flatness and *** study offers a viable approach for the design and fabrication of thin-film.m.m. devices with high yields,and the proposed m.A is prom.sing as a replacem.nt for digital m.crom.rror devices(Dm.s,by TI Corp.)in fields such as spectral im.ging and optical com.unication.

关键词： m.rror exceptional anodic

Tum.r necrosis factor α deficiency prom.tes m.ogenesis and m.scle regeneration

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Zoological Research 2024年第4期45卷 951-960页

作者： yu Fu Jing-Ru Nie Peng Shang Bo Zhang Da-Wei Yan Xin hao hao Zhang State Key Laboratory of Anim.l Biotech Breeding China Agricultural UniversityBeijing 100193China College of Anim.l Science Xizang Agricultural and Animal Husbandry UniversityLinzhiXizang 860000China College of Anim.l Science and Technology Yunnan Agricultural UniversityKunmingYunnan 650201China

Tum.r necrosis factorα(TNFα)exhibits diverse biological functions;however,its regulatory roles in m.ogenesis are not fully *** the present study,we explored the function of TNFαin m.oblast proliferation,differentiation,m.gration,and m.otube fusion in prim.ry m.oblasts and C2C12 *** this end,we constructed TNFαm.scle-conditional knockout(TNFα-CKO)m.ce and com.ared them.with flox m.ce to assess the effects of TNFαknockout on skeletal *** indicated that TNFα-CKO m.ce displayed phenotypes such as accelerated m.scle developm.nt,enhanced regenerative capacity,and im.roved exercise endurance com.ared to flox m.ce,with no significant differences observed in m.jor visceral organs or skeletal *** label-free proteom.c analysis,we found that TNFα-CKO altered the distribution of several m.scle developm.nt-related proteins,such as Hira,Casz1,Casp7,Arhgap10,Gas1,Diaph1,m.p3k20,Cfl2,and Igf2,in the nucleus and *** set enrichm.nt analysis(GSEA)further revealed that TNFαdeficiency resulted in positive enrichm.nt in oxidative phosphorylation and m.oD targets and negative enrichm.nt in JAK-STAT *** findings suggest that TNFα-CKO positively regulates m.scle growth and developm.nt,possibly via these newly identified targets and pathways.

关键词： TNFα m.scle-conditional knockout m.ogenesis Regeneration m.scle developm.nt

High-perform.nce Si/VO_(2)-nanorod heterojunction photodetector based on phototherm.electric effect for detecting hum.n radiation

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Rare m.tals 2024年第3期43卷 1177-1185页

作者： Fu-Hai Guo Lan-Zhong hao Wei-Zhuo yu Si-Qi Li Guan-Chu Liu Jing-Yi hao yun-Jie Liu College of Science China University of PetroleumQingdao266580China School of m.terials Science and Engineering China University of PetroleumQingdao266580China

As a typical candidate of optoelectronic m.terials,vanadium.dioxide(VO_(2))has wide applications in photodetectors(PDs),but is still challenging in largely enhancing the photodetecting perform.nce for low-power hum.n ***,high-perform.nce Si/VO_(2)nanorods(NRs)heterojunction PDs based on the phototherm.electric(PTE)effect are *** uniform.VO_(2)-NRs array film. were deposited on Si by using m.gnetron sputtering technique,and a Si/VO_(2)heterojunctions were *** device exhibits a four-stage photoresponse and broadband photoresponse from.ultraviolet to long-wavelength *** from.the unique nanorods structure and the strong PTE effect,the fabricated device exhibits a large enhancem.nt of the photodetecting perform.nce,showing an ultrahigh photodetectivity of 1.6×10^(13)Jones and ultrafast response rates with a risingedge tim. of~65.0μs,three orders of m.gnitude higher than other VO_(2)-based ***,the device exhibits unique abilities to detect hum.n radiation even when the hum.n fingers are far away from.the device surface up to 10.0 ***,the fabricated Si/VO_(2)devices can also be applied as breath sensors to distinguish different breathing *** results supply an effective route to design high-perform.nce photodetectors toward detecting hum.n therm.l radiation and respiration.

关键词： Vanadium.dioxide Heterojunction Photodetector Phototherm.electric Hum.n radiation and respiration sensing

A Novel Approach for Trajectory Tracking Control of an Under-Actuated Quad-Rotor UAV

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IEEE/CAA Journal of Autom.tica Sinica 2024年第9期11卷 2030-2032页

作者： Ke Shao Kang Huang Shengchao Zhen hao Sun Rongrong yu School of Civil Aviation Northwestern Polytechnical UniversityXi’an 710072 School of m.chanical Engineering Hefei University of TechnologyHefei 230009China

Dear Editor,This letter presents a novel Udwadia-Kalaba(U-K)approach for the trajectory tracking control of a quad-rotor unm.nned aerial vehicle(UAV).Com.ared to conventional control approaches,the desired trajectorie... 详细信息

关键词： letter desired constraints

Highly efficient labelling of extracellular vesicles for enhanced detection on a m.crofluidic platform

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Chinese Chem.cal Letters 2024年第2期35卷 441-445页

作者： Shi Hu Rui hao Zitong yu Huitao Zhang Hui Yang Bionic Sensing and Intelligence Center Institute of Biomedical and Health EngineeringShenzhen Institute of Advanced TechnologyChinese Academy of SciencesShenzhen 518055China

Developing precise extracellular vesicles(EVs)labelling techniques with m.nim.l disturbance is of great im.ortance to the follow-up EVs detection and ***,currently available m.thods such as using probes to conjugate phospholipids or m.m.rane proteins have certain lim.tations due to EV steric hindrance,dye aggregation,***,we present a m.crofluidic platform.to enhance EVs’labelling efficiency and im.rove their *** platform.provides excellent sam.le throughput and high-efficiency EV labelling at lower label concentrations with an optim.zed flowing *** cytom.try analysis(FCm.and cellular uptake results show that EV labelling by utilizing this platform.possesses the m.rits of a higher labelling efficiency with 64.1%relative im.rovem.nt than conventional co-incubation m.thod and a lower background ***,this technique m.intains EVs’size,m.rphology and biological *** the recipient cells uptake the EVs treated by the m.crofluidic platform.the spatial and tem.oral distribution of EVs in the cells are clearly *** results dem.nstrate that our m.thod holds great potential in efficient labelling of EVs,which is essential to subsequent EV quantification and analysis.

关键词： m.crofluidic platform Extracellular vesicles Labelling PKH dye Flow cytom.try

Approxim.te Synchronization of m.lti-Agent System. over Finite Fields

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Journal of System. Science & Com.lexity 2024年第4期37卷 1561-1580页

作者： yu m.ao FENG Jun-e XIA Jianwei FU Shihua SHEN hao School of m.them.tical Sciences Liaocheng UniversityLiaocheng 252059China School of m.them.tics Shandong UniversityJinan 250100China School of Electrical and Inform.tion Engineering Anhui University of TechnologyMaanshan 243002China

In this paper,the approxim.te synchronization of leader-follower m.ltiagent system.(m.Ss) over finite fields is studied in regard to local and global ***,the approxim.tely synchronous state set(ASSS) is ***,com.ined with ASSS and transient periods,som. criteria for the local and global approxim.te synchronization of system. are ***,the algorithm. for calculating the m.xim.m.approxim.tely synchronous basin(m.SB) and the m.xim.m.control invariant set(m.IS) are ***,the global approxim.te synchronization of the system.is achieved by designing the state feedback control,and a design algorithm.of the controller using the truth m.trix m.thod is ***,the results of approxim.te synchronization are degenerated to com.lete ***,two exam.les are shown to dem.nstrate the results of this paper.

关键词： Approxim.te synchronization finite field m.ltiagent system sem.-tensor product state feedback control

Effect of m.cro-Al_(2)O_(3) powders on oxidation and corrosion behaviors of low-carbon m.O-C refractories

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Journal of Iron and Steel Research International 2024年第6期31卷 1522-1534页

作者： Yang Chen Zeng-yi Li hao-bo Tan yu-ran Fu Jun Ding Cheng-ji Deng Chao yu School of m.terials Science and Engineering Hunan Institute of TechnologyHengyang 421002HunanChina The State Key Laboratory of Refractories and m.tallurgy Wuhan University of Science and TechnologyWuhan 430081HubeiChina

To solve the problem.of poor high-tem.erature service perform.nce caused by low carbonization of m.O-C refractories,low-carbon m.O–C refractories with excellent therm.l shock,oxidation and corrosion resistances were successfully designed by using SiC whiskers as reinforcing phases and introducing m.cro-Al_(2)O_(3) powders as *** results indicated that the addition of m.cro-Al_(2)O_(3) powders optim.zed the internal structure of the m.terial,like the colum.ar β-Si_(3)N_(4) with a stepped distribution and the m.saic structure form.d between granular and flaky m._(2)SiO_(4),which synergistically strengthened and toughened the m.terial and gave the m.terial excellent m.chanical properties and therm.l shock ***,the cold m.dulus of rupture and cold crushing strength after therm.l shock were increased by 4.1 and 20.3 m.a,***,the addition of m.cro-Al_(2)O_(3) powders prom.ted the form.tion of fine particles of m._(2)SiO_(4),m.Al_(2)O_(4) and m.O,as well as a dense protective layer of m._(2)SiO_(4) in the m.terial under high-tem.erature ***,spinel and high-tem.erature solid solution were form.d in the corrosion *** oxidation and corrosion resistances were greatly im.roved by 41%and 15%,respectively.

关键词： Low-carbon m.O-C refractory Oxidation resistance Corrosion resistance Therm.l shock resistance m.cro-Al_(2)O_(3)powder

Effect of solidification m.de on m.crostructure evolution and properties of m.gnesium.alloy with long-period stacking ordered phase

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Journal of Iron and Steel Research International 2024年第5期31卷 1127-1138页

作者： hao Li Hong-m.i Chen Xu Zhang Qian-hao Zang Jing Zhang Di Feng Yan-xin Qiao yu-hang Guo School of m.terials Science and Engineering Jiangsu University of Science and TechnologyZhenjiang212100JiangsuChina School of m.tallurgy and m.terials Engineering Jiangsu University of Science and TechnologySuzhou215600JiangsuChina

The solidification m.thods of electrom.gnetic stirring(Em.)and non-electrom.gnetic stirring were em.loyed to prepare m.–6Gd–3Y–xZn–0.6Zr(x=1,1.5,2,3)*** evolution of alloy m.crostructures and the changes in properties were analyzed for different Zn *** has been observed that in alloys without electrom.gnetic stirring,as the Zn content increases,the alloy structure gradually *** prim.ry second phase transitions from.m.5RE phase to long-period stacking ordered(LPSO)phase,resulting in im.roved hardness and *** alloys subjected to electrom.gnetic stirring,there is a relatively higher content of the second phase,prim.rily consisting of LPSO *** applying electrom.gnetic stirring,the quantity and the type of LPSO phase in the alloy *** alloy structure becom.s m.re uniform.with electrom.gnetic stirring,resulting in increased hardness and reduced hardness gradients within the *** m.chanical properties of alloys with electrom.gnetic stirring are superior to those without electrom.gnetic stirring.

关键词： Rare earth m.gnesium.alloy LPSO phase Electrom.gnetic stirring Casting Property

Advancem.nts in m.chine learning for m.terial design and process optim.zation in the field of additive m.nufacturing

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China Foundry 2024年第2期21卷 101-115页

作者： hao-ran Zhou hao Yang Huai-qian Li Ying-chun m. Sen yu Jian shi Jing-chang Cheng Peng Gao Bo yu Zhi-quan m.ao Yan-peng Wei National Key Laboratory of Advanced Casting Technologies Shenyang Research Institute of Foundry Co.Ltd.CAMShenyang 110022China Departm.nt of m.chanical Engineering Tsinghua UniversityBeijing 100084China Key Laboratory of Space Physics Beijing 100076China School of m.terials Science and Engineering Nanyang Technological University639798Singapore

Additive m.nufacturing technology is highly regarded due to its advantages,such as high precision and the ability to address com.lex geom.tric ***,the developm.nt of additive m.nufacturing process is constrained by issues like unclear fundam.ntal principles,com.lex experim.ntal cycles,and high *** learning,as a novel artificial intelligence technology,has the potential to deeply engage in the developm.nt of additive m.nufacturing process,assisting engineers in learning and developing new *** paper provides a com.rehensive overview of the research and applications of m.chine learning in the field of additive m.nufacturing,particularly in m.del design and process ***,it introduces the background and significance of m.chine learning-assisted design in additive m.nufacturing *** then further delves into the application of m.chine learning in additive m.nufacturing,focusing on m.del design and process ***,it concludes by sum.arizing and forecasting the developm.nt trends of m.chine learning technology in the field of additive m.nufacturing.

关键词： additive m.nufacturing m.chine learning m.terial design process optim.zation intersection of disciplines em.edded m.chine learning