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Rare Metals 2022年第6期41卷 2118-2128页

作者： An-Qi Zhou jin-man yang Xing-Wang Zhu Xiang-Lin Zhu jin-Yuan Liu Kang Zhong Han-Xiang Chen jin-Yu Chu Yan-Sheng Du Yan-Hua Song Jun-Chao Qian Hua-Ming Li Hui Xu School of the Environment and Safety Engineering Institute for Energy ResearchJiangsu UniversityZhenjiang 212013China School of Environmental and Chemical Engineering Jiangsu University of Science and TechnologyZhenjiang 212003China School of Chemistry Biology and Materials EngineeringSuzhou University of Science and TechnologySuzhou 215009China

Graphite phase carbon nitride(g-C_(3)N_(4))is a promising catalyst for artificial photocatalytic carbon dioxide(CO_(2))***,the fast carrier recombination and the inadequacy of the CO_(2)reduction active site in g-C_(3)N_(4)block the escalation of the *** this work,NiCo layered double hydroxide(NiCo LDH)nanoflowers were self-assembled with ultrathin graphite phase carbon nitride(g-C_(3)N_(4))by an ultrasonic stirring strategy utilizing the Zeta potential *** formed NiCo LDH/ultrathin g-C_(3)N_(4)nanosheets(LDH-CN)photocatalysts own the merits of rich active sites and Z-scheme heterojunction,which lead to the enhanced CO_(2)reduction activity and *** highest yields of CO and CH_(4)were 114.24 and 26.48μmol·h^(-1)·g^(-1),which were much greater than those of g-C_(3)N_(4)and ***,the enhanced selectivity for CO confirmed the strong redox ability in the LDH-CN caused by the *** heterojunction-induced built-in electrical field can promote the separation and migration of photoinduced electrons and *** study provides a theoretical basis for designing high-performance photocatalysts.

关键词： g-C_(3)N_(4) Photocatalytic Layered double hydroxide CO_(2)photoreduction Z-scheme

Small cell lung cancer with peripheral neuropathy as the first symptom:Two case reports

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World Journal of Clinical Cases 2025年第9期13卷 30-40页

作者： man Luo Xiao-Xi Lu Dan-yang Meng jin Hu Department of Neurology Affiliated Hospital of Jiaxing UniversityJiaxing 314000Zhejiang ProvinceChina Department of Information Technology Affiliated Hospital of Jiaxing UniversityJiaxing 314000Zhejiang ProvinceChina

BACKGROUND Small cell lung cancer(SCLC)is the most malignant type of lung *** in the latent period and early stage of the tumor,SCLC is prone to produce distant metastases with complex and diverse clinical *** is most closely related to paraneoplastic syndrome,and some cases present as paraneoplastic peripheral neuropathy(PPN).PPN in SCLC appears early,lacks specificity,and often occurs before diagnosis of the primary *** is easy to be misdiagnosed as a primary disease of the nervous system,leading to missed diagnosis and delayed diagnosis and *** SUMMARY This paper reports two cases of SCLC with limb weakness as the first *** first symptoms of one patient were rash,limb weakness,and abnormal *** patient was repeatedly referred to the hospital for limb weakness and rash for>1 year,during which time,treatment with hormones and immunosuppressants did not lead to significant improvement,and the condition gradually *** patient was later diagnosed with SCLC,and the dyskinesia did not worsen as the dermatomyositis improved after antineoplastic and hormone *** second case presented with limb numbness and weakness as the first symptom,but the patient did not pay attention to ***,the patient was diagnosed with SCLC after facial edema caused by tumor thrombus invading the ***,he was diagnosed with extensive SCLC and died 1 year after *** The two cases had PPN and abnormal electromyography,highlighting its correlation with early clinical indicators of SCLC.

关键词： Paraneoplastic peripheral neuropathy Small cell lung cancer Peripheral neuropathy Electromyography Dermatomyositis Case report

Computational I(Ⅲ)-X BDEs for Benziodoxol(on)e-based Hypervalent Iodine Reagents:Implications for Their Functional Group Transfer Abilities

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Chinese Journal of Chemistry 2019年第4期37卷 359-363页

作者： jin-Dong yang man Li Xiao-Song Xue Center of Basic Molecular Science Department of ChemistryTsinghua UniversityBeijing 100084China State Key Laboratory of Elemento-Organic Chemistry College of ChemistryNankai UniversityTianjin 300071China

The first comprehensive I(Ⅲ)-X(X=F,Br,CN,N3,CF3,etc.)bond dissociation energy(BDE)scales for benziodoxol(on)e-based hypervalent iodine reagents have been developed by virtue of DFT *** correlation is observed between the I(Ⅲ)-X BDEs and the X-H BDEs,offering a powerful avenue to quickly estimate the group-transfer ability of a novel benziodoxol(on)e-based hypervalent reagent.

关键词： avenue CF3 DFT

Optimizing mechanical properties of HIPS fabricated with low-cost desktop 3D printers:investigating the impact of process parameters

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Advances in manufacturing 2024年第2期12卷 379-395页

作者： jin-Ting Xu Guang-Wei Zhang man-man Chen School of Automotive Engineering Dalian University of TechnologyDalian116024People’s Republic of China

Recently,low-cost desktop three-dimensional(3D)printers,employing the fused deposition modeling(FDM)technique,have gained widespread ***,most users cannot test the strength of printed parts,and little information is available about the mechanical properties of printed high-impact polystyrene(HIPS)parts using desktop 3D *** this study,the user-adjustable parameters of desktop 3D printers,such as crisscross raster orientation,layer thickness,and infill density,were *** experimental plans were designed using the Box-Behnken method,and tensile,3-point bending,and compression tests were carried out to determine the mechanical responses of the printed *** prediction models of the process parameters were regressed to produce the optimal combination of process *** experimental results showcase that the crisscross raster orientation has significant effects on the flexural and compression strengths,but not on the tensile *** an increase in the layer thickness,the tensile,flexural,and compression strengths first decreased and then increased,reaching their minimum values at approximately 0.16 mm layer *** addition,they all increased with an increase of infill *** was demonstrated that when the raster orientation,layer thickness,and infill density were 13.08°/–76.92°,0.09 mm,and 80%,respectively,the comprehensive mechanical properties of the printed HIPS were *** results can help end-users of desktop 3D printers understand the effects of process parameters on the mechanical properties,and offer practical suggestions for setting proper printing parameters for fabricating HIPS parts.

关键词： Desktop three-dimensional(3D)printers Fused deposition modeling(FDM) High-impact polystyrene(HIPS) Process parameters

Modulation of voltage-gated potassium Kv2.1 via the cytoplasmic C terminal

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Neural Regeneration Research 2011年第7期6卷 553-557页

作者： man jin Peiyuan Lu Department of Neurology Hebei General Hospital Shijiazhuang 050051 Hebei Province China

Voltage-gated potassium channels comprise 12 subtypes （Kv1-Kv12）. Kv2.1, which is expressed in most mammalian central neurons, provides the majority of delayed-rectifier K＋ current in cortical and hippocampal pyramidal neurons, and plays an especially prominent role in repolarizing membrane potential, as well as in facilitation of exocytosis. Kv2.1-encoded K＋ efflux is essential for neuronal apoptosis programming. The human form of the Kv2.1 potassium channel contains large intracellular regions. The cytoplasmic C-terminal plays a key role in modulating Kv2.1 gating. The present manuscript summarized Kv2.1 structure and modulation in neurons and analyzed the roles of the cytoplasmic C-terminal.

关键词： Kv2.1 C-terminal N-terminal N/C interaction voltage-dependent gating

Coherent range-dependent map-drift algorithm for improving SAR motion compensation

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Journal of Systems Engineering and Electronics 2023年第1期34卷 47-55页

作者： ZHANG man WANG Guanyong WEI Feiming jin Xue School of Electronic and Communication Engineering Guangzhou UniversityGuangzhou 510006China Beijing Institute of Radio Measurement Beijing 100854China School of Electronic Information and Electrical Engineering Shanghai Jiao Tong UniversityShanghai 200030China No.802 Research Institute of Shanghai Academy of Spaceflight Technology Shanghai 200050China Beijing Institute of Tracking and Communication Technology Beijing 100094China

Synthetic aperture radar(SAR) is usually sensitive to trajectory deviations that cause serious motion error in the recorded data. In this paper, a coherent range-dependent mapdrift(CRDMD) algorithm is developed to accommodate the range-variant motion errors. By utilizing the algorithm as an estimate core, robust motion compensation strategy is proposed for unmanned aerial vehicle(UAV) SAR imagery. CRDMD outperforms the conventional map-drift algorithms in both accuracy and efficiency. Real data experiments show that the proposed approach is appropriate for precise motion compensation for UAV SAR.

关键词： synthetic aperture radar(SAR) motion compensation(MOCO) coherent map-drift(CMD) range-variant

Strong convergence of LAD estimates in a censored regression model

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Science China Mathematics 2005年第2期48卷 155-168页

作者： FANG Yixin jin man ZHAO Lincheng Department of Statistics and Finance University of Science and Technology of ChinaHefei 230026China Department of Statistics and FinanceUniversity of Science and Technology of ChinaHefei 230026China Department of Statistics and FinanceUniversity of Science and Technology of ChinaHefei 230026China

A regression model with a nonnegativity constraint on the dependent variable,known as censored median regression model, is considered. Under some mild conditions, the LAD estimate of the regression coefficient is show... 详细信息

关键词： censored regression, LAD estimator, strong consistency, convergence rate, Bahadur representation.

A Note on Weighted Korn Inequality

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Acta Mathematica Sinica,English Series 2018年第4期34卷 691-698页

作者： man Ru JIANG Ren jin JIANG School of Mathematical Sciences Beijing Normal UniversityLaboratory of Mathematics and Complex Systems Beijing 100875 P. R. China Center for Applied Mathematics Tianjin University Tianjin 300072 P. R. China

In this note, we show that, for domains satisfying the separation property, certain weighted Korn inequality is equivalent to the John condition. Our result generalizes previous result from Jiang Kauranen [Calc. Vat. ... 详细信息

关键词： Korn inequality John domain weight separation property

Application of phosphate-containing materials affects bioavailability of rare earth elements and bacterial community in soils

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Science China(Technological Sciences) 2019年第9期62卷 1616-1627页

作者： jin ShuLan HU ZhongJun man BaiYing PAN HuaHua KONG Xiao jin DeCai College of History Geography and TourismShangrao Normal UniversityShangrao 334000China Research Center for Eco-Environmental Sciences Chinese Academy of SciencesBeijing 100085China

The exploitation and smelting of rare earths can cause serious pollution to the farmland around the mining area. The rare earth elements(REEs) are absorbed by crops and enter the human body through the food chain, which threatens people’s health. The effects of four phosphorus-containing materials-calcium superphosphate(SSP), phosphate rock(PR), calcium magnesium phosphate(CMP) and bone charcoal(BC) on rice growth and bacterial community structure in REE mining area of Xinfeng County were studied by pot experiment. The soil solution was collected during rice transplanting and harvest periods respectively, the rice and soil samples were collected and sequenced. The concentrations of water-soluble REEs were measured by inductively coupled plasma mass spectrometry(ICP-MS), and bacteria in soil was deeply sequenced by the Illumina Miseq sequencing platform. PR, CMP and BC promoted the growth of rice, improved the biomass of rice roots, shoots and grains, and significantly reduced absorption and accumulation of REEs in rice roots, shoots and grains. SSP treatment reduced the pH value of soil, significantly improved the concentration of REE solution in soil and improved biomass of rice roots, shoots and grains,and significantly improved the concentration of REEs in grain. The effects of phosphorus-containing materials on the absorption and accumulation of 15 REEs in rice roots, shoots and grains were very different, and significantly influenced the soil bacterial community. SSP reduced richness and diversity of bacteria. CMP improved the diversity of soil bacteria, but reduced their richness. PR and BC treatment improved the richness and diversity of soil bacteria, and significantly increased the abundance of Bacillus. The results showed that adding PR, CMP and BC to soil in the REE mining area of Xinfeng can improve food security and eco-environmental quality, and hence, are potential restorative materials;SSP is not recommended for use in acidic soils.

关键词： calcium superphosphate phosphate rock calcium magnesium phosphorus bone charcoal rare earth elements rice bacterial community

Atomic Tunnelling Dynamics of Two Squeezed Bose-Einstein COndensates

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Communications in Theoretical Physics 2003年第1期39卷 44-48页

作者： Li jin-Hui Kuang Le-man Department of Physics Hunan Normal University Changsha 410081 China Department of Physics Chenzhou Teacher's Collega Chenzhou 423000 China

In this paper, tunnelling dynamics of squeezed Bose-Einstein condensates (BEC's) in the presence of the nonlinear self-interaction of each species, the interspecies nonlinear interaction, and the Josephson-like tunnelling interaction is investigated by using the second quantization approach. The influence of BEC squeezing on macroscopic quantum self-trapping (MQST) and quantum coherent atomic tunnelling is analyzed in detail. It is shown that the MQST and coherent atomic tunnelling between two squeezed BEC's can be manipulated through changing squeezing amplitude and squeezing phase of BEC squeezed states.

关键词：玻色-爱因斯坦凝聚态量子隧道动力学挤压态