This work was financially supported by the National Natural Science Foundation of China(No.51973010).
Star-shaped poly(lactic acid)s(PLAs)with two to five arms were synthesized by ring opening polymerization using tin(II)2-ethylhexanoate as catalyst and polyols as initiators.The effects of molecular weight together wi...
supported by the National Natural Science Foundation of China under Grant Nos.61973329,62133001 and 62227810;the National Key Technology R&D Program of China under Grant No.2021YFD2100605;Project of Beijing Municipal University Teacher Team Construction Support Plan under Grant No.BPHR20220104.
This paper investigates region tracking and perimeter surveillance of second-order multiagent systems,where all agents move within a star-shaped set.First,by coordination transformations,the region tracking problem is...
supported by the National Natural Science Foundation of China(Nos.12372019,12072222,12132010,12021002,and 11991032);the Open Projects of State Key Laboratory for Strength and Structural Integrity of China(No.ASSIKFJJ202303002);the State Key Laboratory of Mechanical Behavior and System Safety of Traffic Engineering Structures of China(No.SKLTESKF1901);the Aeronautical Science Foundation of China(No.ASFC-201915048001)。
A novel hollow star-shaped chiral metamaterial(SCM)is proposed by incorporating chiral structural properties into the standard hollow star-shaped metamaterial,exhibiting a wide band gap over 1500 Hz.To broaden the ban...
National Natural Science Foundation of China(Grant Nos.51821003,52175524,61704158);the Natural Science Foundation of Shanxi Province(Grant No.202103021224206);Shanxi"1331 Project"Key Subjects Construction to provide fund for conducting experiments。
In order to suppress the low-frequency ultrasound vibration in the broadband range of 20 k Hz—100 k Hz,this paper proposes and discusses an acoustic metamaterial with low-frequency ultrasound vibration attenuation pr...
supported by the National Natural Science Foundation of China(Grant Nos.11972287,12072266);the Fundamental Research Funds for the Central Universities.
Auxetic metamaterials,which exhibit the negative Poisson’s ratio(NPR)effect,have found wide applications in many engineering fields.However,their high porosity inevitably weakens their bearing capacity and impact res...
supported by the Postdoctoral Fund of Zhejiang Province,China (ZJ2022004).
In this paper,we study the asymptotic behavior of a class of inverse quotient curvature flow in the anti-de Sitter-Schwarzschild manifold.We prove that under suitable convex conditions for the initial hypersurface,one...
This work was partially supported by the NSFC Projects No.12025104,11871298,81930119.
In this paper,we generalize the direct method of lines for linear elasticity problems of composite materials in star-shaped domains and consider its application to inverse elasticity problems.We assume that the bounda...
support by a grant from the Dutch government to the Netherlands Institute for Regenerative Medicine(NIRM,Grant No.FES0908);support of the Netherlands Organisation for Scientific Research(NWO)P15-23(Project 1)“Activating resident stem cells”and EFRO OPOost 00867 Orthros TR.
A combination of the viscoelastic properties of hyaluronic acid(HA)and the elastic properties of star shaped 8-arm poly(ethylene glycol)(8-arm PEG)was used to design in-situ forming hydrogels.Hydrogels were prepared b...
the National Natural Science Foundation of China under Grant Nos.61773277 and 62073236。
The paper deals with the exponential stability problem of a variable coefficient star-shaped network,whose strings are coupled at a common end in a star-shaped configuration and the common connection of all strings ca...
This work was supported by National Research Foundation of Korea(NRF)grants funded by Ministry of Science and ICT(MSIT)(Nos.2021R1A2C3004420,2022M3J1A1085282,2020R1C1C1012256 and 2020R1C1C1003214);the NRF of Korea grant funded by the Korean Government(NRF-2019-Global Ph.D.Fellowship Program.
Perovskite quantum dots(PQDs)have been considered promising and effective photovoltaic absorber due to their superior optoelectronic properties and inherent material merits combining perovskites and QDs.However,they e...