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Characterization of compact quantum group

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Frontiers of Mathematics in China 2014年第2期9卷 321-328页

作者： Ming liu Xia ZHANG School of Science Tianjin Polytechnic University Tianjin 300387 China

Given a C^＊-algebra A and a comultiplication Ф on A, we show that the pair （A, Ф） is a compact quantum group if and only if the associated multiplier Hopf ^＊-algebra （A, ФA） is a compact Hopf ^＊-algebra.

关键词： Compact quantum group associated multiplier Hopf^ *-algebra compact Hopf ^*-algebra

Zeolite-based Electrolyte Accelerating the Realization of Solid-state Li-Air Battery

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Chemical Research in Chinese Universities 2021年第3期37卷 801-802页

作者： liu Fang CUI Yi Department of Materials Science and Engineering Stanford UniversityStanfordCA94305USA Stanford Institute for Materials and Energy Sciences SLAC National Accelerator LaboratoryMenlo ParkCA94025USA

Solid-state lithium-air battery represents one of the most promising energy storage systems to simultaneously achieve high energy density,safety,and *** inorganic solid electrolytes are not suitable for the lithium-air systems due to their spontaneous reactions with lithium and/or ***,the large-scale production of inorganic solid electrolytes at a low cost remains highly challenging to date.

关键词： Battery battery lithium

Mechanocaloric materials for solid-state cooling

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Science Bulletin 2015年第19期60卷 1638-1643页

作者： Binfeng Lu Jian liu Key Laboratory of Magnetic Materials and Devices Ningbo Institute of Materials Technology and Engineering Chinese Academy of Sciences Zhejiang Province Key Laboratory of Magnetic Materials and Application Technology Ningbo Institute of Materials Technology and Engineering Chinese Academy of Sciences

This article reviews the up-to-date progress in mechanocaloric effect and materials near ambient temperature. For elastocaloric materials, we focus on directly measured temperature change and its entropy origin in nonmagnetic and magnetic shape memory alloys. In terms of barocaloric materials, change in magnetic state, volume and shift of transition temperature due to hydrostatic pressure are systematically compared. We propose advantages and challenges of elastocaloric materials for solidstate cooling. Strategies to enhance elastocaloric and mechanical stability under long-term mechanical cycles are presented. Finally, we conclude with an outlook on the prospect of elastocaloric cooling application.

关键词： Elastocaloric effect Barocaloric effect Shape memory alloy Entropy

Genetic Approaches for Neural Circuits Dissection in Non-human Primates

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Neuroscience Bulletin 2023年第10期39卷 1561-1576页

作者： Ling Li Zhen liu Institute of Neuroscience CAS Center for Excellence in Brain Science and Intelligence TechnologyCAS Key Laboratory of Primate NeurobiologyState Key Laboratory of NeuroscienceChinese Academy of SciencesShanghai 200031China Shanghai Center for Brain Science and Brain-Inspired Intelligence Technology Shanghai 200031China University of Chinese Academy of Sciences Beijing 100049China

Genetic tools,which can be used for the morphology study of specific neurons,pathway-selective connectome mapping,neuronal activity monitoring,and manipulation with a spatiotemporal resolution,have been widely applied to the understanding of complex neural circuit formation,interactions,and functions in ***,similar genetic approaches have been tried in non-human primates(NHPs)in neuroscience studies for dissecting the neural circuits involved in sophisticated behaviors and clinical brain disorders,although they are still very *** this review,we introduce the progress made in the development and application of genetic tools for brain studies on *** also discuss the advantages and limitations of each approach and provide a perspective for using genetic tools to study the neural circuits of NHPs.

关键词： Genetic tool Neural circuit Non-human primate

On Hardy's Theorem on SU(1,1)

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Chinese Annals of Mathematics,Series B 2007年第4期28卷 429-440页

作者： Takeshi KAWAZOE Jianming liu Denartment of Mathematics Keio University at Fujisawa Endo FujisawaKanagawa 252-8520Japan Laboratory of Mathematics and Applied Mathematics School of Mathematical Sciences Peking UniversityBeiJing 100871China

The classical Hardy theorem asserts that f and its Fourier transform f can not both be very rapidly decreasing. This theorem was generalized on Lie groups and also for the Fourier-Jacobi transform. However, on SU（1, 1） there are infinitely many “good” functions in the sense that f and its spherical Fourier transform y both have good decay. In this paper, we shall characterize such functions on SU（1, 1）.

关键词： Heat kernel Jacobi transform Plancherel formula

OsRRMh, a Spen‐Like Gene, Plays an Important Role During the Vegetative to Reproductive Transition in Rice

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Journal of Integrative Plant Biology 2013年第9期55卷 876-887页

作者： Derui liu Xiuling Cai National Key Laboratory of Plant Molecular Genetics Institute of Plant Physiology and Ecology the Chinese Academy of Sciences University of Chinese Academy of Sciences the Chinese Academy of Sciences

OsRRMh, a homologue of OsRRM, encodes a Spen-like protein, and is composed of two N-terminal RNA recognition motifs （RRM） and one C-terminal Spen paralogue and an orthologue C-terminal domain （SPOC）. The gene has been found to be constitutively expressed in the root, stem, leaf, spikelet, and immature seed, and alternative splicing patterns were confirmed in different tissues, which may indicate diverse functions for OsRRMh. The OsRRMh dsRNAi lines exhibited late-flowering and a larger panicle phenotype. When full-length OsRRMh and/or its SPOC domain were overexpressed, the fertility rate and number of spikelets per panicle were both markedly reduced. Also, overexpression of OsRRMh in the Arabidopsis fpa mutant did not restore the normal flowering time, and it delayed flowering in Col plants. Therefore, we propose that OsRRMh may confer one of its functions in the vegetative-to-reproductive transition in rice （Oryza sativa L. subsp. japonica cv. Zhonghua No. 11 （ZH11））.

关键词： Alternative splicing fertility rate flowering time RNA recognition motifs Spen-like.

Coccolith Assemblages and Primary Productivity Variations in the Central Western Pacific Warm Pool Over the Last 380 kyr

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Journal of Ocean University of China 2018年第3期17卷 563-570页

作者： LIANG Dan liu Chuanlian State Key Laboratory of Marine Geology Tongji University Library Tongji University

Coccolith assemblages in two gravity cores(KX21-2 and KX12-1) from the central Western Pacific Warm Pool(WPWP) have been analyzed with SYRACO. The variations of nutricline and primary productivity(PP) have been reconstructed based on these assemblages. The results show that the coccolith assemblages were dominated by Florisphaera profunda, Gephyrocapsa and Emiliania huxleyi over the last 380 kyr. Variations of nutricline and primary productivity can be divided into three intervals. Interval I(about 380–300 kyr): PP was high and nutricline was shallow; Interval II(about 300–160 kyr): PP decreased dramatically for a short time after the acme of G. caribbeanica in Mid-Brunhes while nutricline became deeper; Interval III(about 160 kyr–present): PP fluctuated at low levels and nutricline was deep. Variations of each coccolith taxon and PP were highly correlated in the two cores, which means that the geological environment is similar in the two cores. Spectrum analysis is performed for all coccolith taxons and PP, and the 19-kyr cycle is the most prominent. It means that the production of coccolithophores in the WPWP is mainly controlled by precession.

关键词： coccolith assemblage Western Pacific Warm Pool primary productivity nutricline precession

A Characterization for a Complete Random Normed Module to Be Mean Ergodic

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Acta Mathematica Sinica,English Series 2017年第7期33卷 899-910页

作者： Xia ZHANG Ming liu Department of Mathematics School of ScienceTianjin Polytechnic UniversityTianjin 300387P.R.China

In this paper, we first study the mean ergodicity of random linear operators using some techniques of measure theory and L;-convex analysis. Then, based on this, we give a characterization for a complete random normed... 详细信息

关键词： Random normed module mean ergodic random linear operator the local property

Modular synthesis of a block copolymer with a cleavable linkage via “click” chemistry

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Science China Chemistry 2010年第5期53卷 1127-1132页

作者： Fu, Yu liu, GuoJun Research Centre for Molecular Science and Engineering Northeastern University Shenyang 110004 China Department of Chemistry Queen's University Ontario Canada

A diblock copolymer poly(ethylene glycol)-block-polystyrene or PEG-b-PS with an olefinic double bond at the PEG and PS junction has been prepared by modular synthesis via"click"*** involved the synthesis of PS by atom transfer radical polymerization and the nucleophilic substitution of the terminal bromide group with azide to yield azide-terminated PS. PEG with an alkynyl terminal group was prepared from reacting carboxyl-end-functionalized PEG with 4-hydroxybut-2-enyl prop-2-ynyl succinate,which contained an alkynyl group as well as an olefin *** PS and PEG polymers were linked via the 1,3-dipolar cycloaddition of the end azide and alkyne *** obtained copolymer was characterized by 1H NMR spectroscopy and size exclusion chromatography(SEC).SEC analysis indicated that the diblock copolymer produced could be readily cleaved by ozonolysis to regenerate the constituent homopolymers.

关键词： modular synthesis cleavable block copolymer click chemistry ATRP