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102篇 您的检索式:作者名="LIN Haibo"
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1Equivalent boundedness of Marcinkiewicz integrals on non-homogeneous metric measure spaces显示文摘Let(X,d,μ)be a metric measure space satisfying the upper doubling condition and the geometrically doubling condition in the sense of Hyto¨nen.We prove that the L p(μ)-boundedness with p∈(1,∞)of the Marcinkiewicz integral is equivalent to either of its boundedness from L1(μ)into L1,∞(μ)or from the atomic Hardy space H1(μ)into L1(μ).Moreover,we show that,if the Marcinkiewicz integral is bounded from H1(μ)into L1(μ),then it is also bounded from L∞(μ)into the space RBLO(μ)(the regularized BLO),which is a proper subset of RBMO(μ)(the regularized BMO)and,conversely,if the Marcinkiewicz integral is bounded from L∞b(μ)(the set of all L∞(μ)functions with bounded support)into the space RBMO(μ),then it is also bounded from the finite atomic Hardy space H1,∞fin(μ)into L1(μ).These results essentially improve the known results even for non-doubling measures.LIN HaiBo YANG DaChun 2014Science China Mathematics2014,57,1:25
2An important role of the hepcidin-ferroportin signaling in affecting tumor growth and metastasis显示文摘Wenli Guo Shuping Zhang Yue Chen Daoqiang Zhang Lin Yuan Haibo Cong Sijin Liu 2015Acta Biochimica et Biophysica Sinica2015,47,9:14
3Biomimetic Corrugated Silicon Nanocone Arrays for Self-Cleaning Antireflection Coatings显示文摘Corrugated silicon nanocone(SiNC)arrays have been fabricated on a silicon wafer by two polystyrene-sphere-monolayer-masked etching steps in order to create high-performance antireflective coatings.The reflectance was reduced from above 35%to less than 0.7%in the range 400-1050 nm,and it remained below 0.5%at incidence angles up to 70°at 632.8 nm for both s-and p-polarized light.The fluorinated corrugated SiNC array surface exhibits superhydrophobic properties with a water contact angle of 164°.Yandong Wang Nan Lu Hongbo Xu Gang Shi Miaojun Xu Xiaowen Lin Haibo Li Wentao Wang Dianpeng Qi Yanqing Lu Lifeng Chi 2010Nano Research2010,3,7:8
4Feasibility and advantage of biofilm-electrode reactor for phenol degradation显示文摘The new biofilm-electrode method was used for the phenol degradation,because of its low current requirement.The biofilm-electrode reactor consisted of immobilized degrading bacteria on Ti electrode as cathode and Ti/PbO2 electrode as anode.With the biofilmelectrode reactor in a divided electrolytic cell,the phenol degradation rate could achieve 100%at 18 h which was higher than using traditional methods,such as biological or electrochemical methods.Chemical oxygen demand(COD)removal rate of the biofilmelectrode reactor was also greater than that using biological and electrochemical method,and could reach 80%at 16 h.The results suggested that the biofilm-electrode reactor system can be used to treat wastewater with phenol.ZHANG Xuena HUANG Weimin WANG Xuan GAO Yu LIN Haibo 2009Journal of Environmental Sciences2009,21,9:8
5On PID control for synchronization of complex dynamical network with delayed nodes显示文摘Over the past two decades, synchronization, as an interesting collective behavior of complex dynamical networks, has been attracting much attention. To reveal and analyze the inherent mechanism of synchronization in complex dynamical networks with time delays in nodes, this paper attempts to use PD and PI control protocols to achieve synchronization. Based on a classical network model, we investigate the PD and PI control for synchronization of complex dynamical networks with delayed nodes and obtain some sufficient conditions. By using Lyapunov functions and appropriate state transformations, we prove that global synchronization can be achieved via the above control protocols. Finally, some simulation examples are illustrated to validate the effectiveness of the proposed theoretical results.GU HaiBo Lv JinHu LIN ZongLi 2019Science China(Technological Sciences)2019,62,8:7
6An Arabidopsis Class II Formin,AtFH19,Nucleates Actin Assembly,Binds to the Barbed End of Actin Filaments,and Antagonizes the Effect of AtFH1 on Actin Dynamics显示文摘Formin is a major protein responsible for regulating the nucleation of actin filaments,and as such,it permits the cell to control where and when to assemble actin arrays.It is encoded by a multigene family comprising 21 members in Arabidopsis thaliana.The Arabidopsis formins can be separated into two phylogenetically-distinct classes:there are 11 class I formins and 10 class II formins.Significant questions remain unanswered regarding the molecular mechanism of actin nucleation and elongation stimulated by each formin isovariant,and how the different isovariants coordinate to regulate actin dynamics in cells.Here,we characterize a class II formin,AtFH19,biochemically.We found that AtFH19 retains all general properties of the formin family,including nucleation and barbed end capping activity.It can also generate actin filaments from a pool of actin monomers bound to profilin.However,both the nucleation and barbed end capping activities of AtFH19 are less efficient compared to those of another well-characterized formin,AtFH1.Interestingly,AtFH19 FH1FH2 competes with AtFH1 FH1FH2 in binding actin filament barbed ends,and inhibits the effect of AtFH1 FH1FH2 on actin.We thus propose a mechanism in which two quantitatively different formins coordinate to regulate actin dynamics by competing for actin filament barbed ends.Yiyan Zheng Haibo Xin Jinxing Lin Chun-Ming Liu Shanjin Huang 2012Journal of Integrative Plant Biology2012,54,10:7
7Thermal Transfer During the Activation Process in LiSi/FeS2 Thermal Batteries显示文摘KANG Bo ZHANG Wenli LIN Haibo XING Yonghui ZHAO Jinfeng WANG Yan 2016Chemical Research in Chinese Universities2016,32,4:6
8Highly reversible lead-carbon battery anode with lead grafting on thecarbon surface显示文摘A novel C/Pb composite has been successfully prepared by electroless plating to reduce the hydrogen evolution and achieve the high reversibility of the anode of lead-carbon battery(LCB). The deposited lead on the surface of C/Pb composite was found to be uniform and adherent to carbon surface. Because lead has been stuck on the surface of C/Pb composite, the embedded structure suppresses the hydrogen evolution of lead-carbon anode and strengthens the connection between carbon additive and sponge lead.Compared with the blank anode, the lead-carbon anode with C/Pb composite displays excellent charge—discharge reversibility, which is attributed to the good connection between carbon additives and lead that has been stuck on the surface of C/Pb composite during the preparation process. The addition of C/Pb composite maintains a solid anode structure with high specific surface area and power volume, and thereby, it plays a significant role in the highly reversible lead-carbon anode.Jian Yin Nan Lin Wenli Zhang Zheqi Lin Ziqing Zhang Yue Wang Jun Shi Jinpeng Bao Haibo Lin 2018Journal of Energy Chemistry2018,27,6:6
9Facile Self-templating Melting Route Preparation of Biomass-derived Hierarchical Porous Carbon for Advanced Supercapacitors显示文摘WANG Can WANG Dianyu ZHENG Shuang FANG Xueqing ZHANG Wenli TIAN Ye LIN Haibo LU Haiyan JIANG Lei 2018Chemical Research in Chinese Universities2018,34,6:5
10A novel lead-free Na_(0.5)Bi_(0.5)TiO_(3)-based ceramic with superior comprehensive energy storage and discharge properties for dielectric capacitor applications显示文摘Na_(0.5)Bi_(0.5)TiO_(3)(NBT)-based ceramics have been widely used as dielectric materials for energy storage capacitors because of their environmental friendliness and excellent ferroelectric properties.However,their energy storage performance still needs to be further improved to satisfy the increasing demand.Herein,we report a novel 0.90(Na_(0.5)Bi_(0.5))0.7Sr_(0.3)TiO_(3-0.10)Bi(Ni_(0.5)Sn_(0.5))O_(3)(0.90NBST-0.10BNS)ceramic with significantly improved energy density(5.0 J cm3),enhanced recoverable energy density(4.18 J cm^(3))and high energy efficiency(83.64%)through the incorporation of Bi(Ni0.5Sn0.5)O3(BNS),due to the increased breakdown strength and the relaxation ferroelectric(RFE)properties.The first-order reversal curve(FORC)measurements confirm that the addition of BNS improves RFE properties by breaking the order of long-range ferroelectricity.The 0.90NBST-0.10BNS ceramic also possesses an outstanding temperature and frequency stability of energy storage properties in the range of 20C e140C and 1 Hze100 Hz,respectively.More importantly,the discharge properties characterized by a preeminent power density(36.19 MW cm^(3)),transient energy release times(144.2 ns),and high discharge energy density(1.16 J cm3)also synchronously observed in 0.90NBST-0.10BNS ceramic.These results show that the 0.90NBST-0.10BNS ceramic with outstanding comprehensive performances is a promising energy storage ceramic candidate for capacitors in high power systems.Da Li Ying Lin Qibin Yuan Miao Zhang Liang Ma Haibo Yang 2020Journal of Materiomics2020,6,4:4
11KOH Direct Activation for Preparing Activated Carbon Fiber from Polyacrylonitrile-based Pre-oxidized Fiber显示文摘GAO Lili LU Haiyan LIN Haibo SUN Xiuyun XU Jianling LIU Dechen LI Yang 2014Chemical Research in Chinese Universities2014,30,3:4
12Adsorption equilibrium and kinetics studies of divalent manganese from phosphoric acid solution by using cationic exchange resin显示文摘There are numerous impurities in wet-process phosphoric acid,among which manganese is one of detrimental metallic impurities,and it causes striking negative effects on the industrial phosphoric acid production and downstream commodity.This article investigated the adsorption behavior of manganese from phosphoric acid employing Sinco-430 cationic ion-exchange resin.Resorting FT-IR and XPS characterizations,the adsorption mechanism was proved to be that manganese was combined with sulfonic acid group.Several crucial parameters such as temperature,phosphoric acid content and resin dose were studied to optimize adsorption efficiency.Through optimization,removal percentage and sorption capacity of manganese reached 53.12 wt%,28.34 mg·g^-1,respectively.Pseudo-2nd-order kinetic model simulated kinetics data best and the activation energy was evaluated as 6.34 kJ·mol^-1 for the sorption reaction of manganese.In addition,the global adsorption rate was first controlled by film diffusion process and second determined by pore diffusion process.It was found that the resin could adsorb up to 50.24 mg·g^-1 for manganese.Equilibrium studies showed that Toth adsorption isotherm model fitted best,followed by Temkin and Langmuir adsorption isotherm models.Thermodynamic analysis showed that manganese adsorption was an endothermic process with enhanced randomness and spontaneity.Haibo Zhuang Yanjun Zhong Lin Yang 2020Chinese Journal of Chemical Engineering2020,28,11:3
13Down-regulation of heparanase leads to the inhibition of invasion and proliferation of A549 cells in vitro and in vivo显示文摘Heparanase 是降级的哺乳动物的 endoglycosidase 在房间表面并且在细胞外的矩阵的 heparan 硫酸盐。heparanase 的表示在许多人的恶意的肿瘤被检测并且仔细把侵略,转移,和 angiogenesis 与肿瘤联系了。然而, heparanase 的特定的角色和它调整非小的房间肺癌症(NSCLC ) 的恶意的潜力的机制房间仍然保持不清楚。在现在的学习, heparanase 的表示在由 antisense oligodeoxynucleotide 的 NSCLC 房间线是下面调整的。结果证明 heparanase 的下面规定导致了重要抑制侵略并且在 vitro 并且在 vivo 的 A549 房间的 proliferative 潜力。进一步的研究证明 heparanase 的下面规定显著地禁止了 A549 房间的 angiogenic 潜力,它可能是为在在 vivo 的 BALB/c 裸体老鼠的 A549 房间增长的抑制负责的机制。这些调查结果证明 heparanase 在调整 A549 房间的侵略,增长,和 angiogenesis 起必要作用。Zhitao Chen Liangming Zhu Xiaohua Li Hui Tian Yusong Fang Haibo Liu Shuhai Li Lin Li Weiming Yue Wenjun Li 2013Acta Biochimica et Biophysica Sinica2013,45,3:3
14Pt-Sn clusters anchored at Al_(penta)^(3+) sites as a sinter-resistant and regenerable catalyst for propane dehydrogenation显示文摘Pt-based catalysts are widely used in propane dehydrogenation reaction for the production of propylene.Suppressing irreversible deactivation caused by the sintering of Pt particles under harsh conditions and regeneration process is a significant challenge in this catalyst.Herein,a series of highly ordered mesoporous Al_(2)O_(3) supports with different levels of Al3+penta sites,are fabricated and used as the support to disperse Pt-Sn_(2) clusters.Characterizations of Pt-Sn_(2)/meso-Al_(2)O_(3) with XRD,NMR,CO-IR,STEM,TG,and Raman techniques along with propane dehydrogenation-regeneration cycles test reveal the structure-stability-re generability relationship.The coordinatively unsaturated pentacoordinate Al_(Al3+penta)^(3+)can strongly anchor Pt atoms via a formation of Al-O-Pt bond,and thus stabilize the Pt-based particles at the surface of Al_(2)O_(3).The stability and regenerability of Pt-Sn2/meso-Al_(2)O_(3) are strongly dependent on the content of Al3+penta sites in the Al_(2)O_(3) structure,and a high level of Al3+penta sites can effectively prevent the agglomeration of Pt-Sn2 clusters into large Pt nanoparticles in the consecutive dehydrogenation-regeneration cycles.The Pt-Sn2/meso-Al_(2)O_(3)-600 with the highest level of Al_(penta)^(3+) (50.8%)delivers the best performance in propane dehydrogenation,which exhibits propane conversion of 40%and propylene selectivity above 98%at 570℃ with 10 vol%C_(3)H_(8) and 10 vol% H_(2) feed.A slow deactivation in this catalyst is ascribed to the formation of coke,and the catalytic performance can be fully restored in the consecutive dehydrogenation-regeneration cycles via a simple calcination treatment.Xinyue Zhu Tinghai Wang Zhikang Xu Yuanyuan Yue Minggui Lin Haibo Zhu 2022Journal of Energy Chemistry2022,31,2:2
15Preparation of Au nanoparticles modified TiO_2 nanotube array sensor and its application as chemical oxygen demand sensor显示文摘Au nanoparticles(AuNPs) were electrodeposited at the highly ordered anatase TiO_2 nanotube array(TiO_2 NA) electrode under sonicating, and the AuNP-TiO_2 NA sensor was characterized by scanning electron microscope(SEM), X-ray photoelectron spectroscopy(XPS), X-ray diffraction(XRD). The photoelectrochemical experiments indicate the AuNP-TiO_2 NA sensor has lower photoelectro-resistance,higher photoelectrocatalytical activity and stability than that of pure TiO_2 NA sensor under the same conditions. The as-prepared sensor can be used for the determination of chemical oxygen demand(COD)in real samples, and the obtained results are comparable well with those of by standard K_2Cr_2O_7 method.The method proposed is simple, fast, cost effective, and environmentally friendly.Longqi Liang Jiao Yin Jinpeng Bao Linchuan Cong Weimin Huang Haibo Lin Zhan Shi 2019Chinese Chemical Letters2019,30,1:2
16Bimetallic PtSn nanoparticles confined in hierarchical ZSM-5 for propane dehydrogenation显示文摘A series of PtSn/hierarchical ZSM-5 catalysts were developed for propane dehydrogenation,in which the PtSn bimetallic particles are confined in the mesopores of hierarchical ZSM-5 zeolite.The synthesis of PtSn/hierarchical ZSM-5 catalysts was achieved via the loading of Pt and Sn species onto the hierarchical ZSM-5 catalysts that are obtained through a desilication of conventional ZSM-5.The PtSn/hierarchical ZSM-5 catalysts were fully characterized by XRD,N_(2) adsorption,STEM,XPS,and CO-IR techniques,which reveals that highly dispersed PtSn bimetallic nanoparticles are enclosed into mesopores of hierarchical ZSM-5.The catalytic performance of PtSn/hierarchical ZSM-5 is greatly affected by the concentrations of alkali solution in the desilication process and Sn/Pt ratios in PtSn bimetallic particles.The PtSn1.00/ZSM-5(0.8)catalyst shows the highest efficiency in propane dehydrogenation,which gives an initial conversion of 46%and selectivity of 98%at 570℃.The high efficiency in these PtSn/hierarchical ZSM-5 catalysts for propane dehydrogenation is mainly ascribed to the confinement of PtSn particles in the mesopores of hierarchical ZSM-5 zeolite.Tianlei Wang Zhikang Xu Yuanyuan Yue Tinghai Wang Minggui Lin Haibo Zhu 2022Chinese Journal of Chemical Engineering2022,35,1:2
17The South Pacific Subtropical Mode Water in the Tasman Sea显示文摘From the synopical CTD sections in the WOCE PR11 repeated cruises, the South Pacific Subtropical Mode Water (SPSTMW) has been identified in the region of the Tasman Front Extension (TFE) around 29?S to the east of Australia. In the depth range of 150-250 m, the SPSTMW appears as a thermostad with vertical temperature gradient lower than 1.6℃(100 m)-1 and a tem- perature range of 16.5-19.5℃ and as a pycnostad with PV lower than 2×10-10 m-1 s-1 and a potential density range of 25.4-26.0 kg m-3. Like the subtropical mode waters in the North Atlantic and North Pacific, the formation of the SPSTMW is associated with the convective mixing during the austral wintertime as manifested from the time series of the Argo floats. And cold water entrains into the mixed layer with the deepening mixed layer from September to the middle of October. During the wintertime formation process, mesoscale eddies prevailing in the TFE region play an important role in the SPSTMW formation, and have a great effect on the SPSTMW distribution in the next year. The deeper (shallower) mixed layer in wintertime, consistent with the depressed (uplifted) permanent thermocline, is formed by the anticyclonic (cyclonic) eddies, and the substantial mode water thicker than 50 m is mainly found in the region of the anticyclonic eddies where the permanent thermocline is deeper than 450 m.HU Haibo LILT Qinyu LIN Xiaopei LIU Wei 2007Journal of Ocean University of China2007,6,2:2
18Preparation and characterization of dense lanthanum-doped bismuth titanate ceramics显示文摘In this work, we present an effective way to increase the density of lanthanum-doped bismuth titanate ceramics (Bi4?xLaxTi3O12; BLT). Dense BLT ceramics with formula Bi4?xLaxTi3O12 (when x = 0.25, 0.5, 0.75, 1.0) are prepared by using nanocrystalline powders fabricated by the sol-gel method and high-pressure technique. The thermal decomposition and phase transformation process of the gel precursors are studied by using DTA, infrared spectroscopy (IRS) and X-ray diffraction (XRD). The microstructures of BLT ceramics are investigated by using transmission electron microscopy (TEM) and scanning electron microscopy (SEM). The experimental results indicate that the phase compositions of all samples with various La substitutes at 900°C possess the layer-structure of Bi4Ti3O12 (BTO). The green pellets are pressed under 2.5, 3.0, 3.5 and 4.0 GPa, separately. It is found that the density of BLT ceramics is significantly increased due to the decreasing of porosity in the green compacts by the high-pressure process. The samples are sintered at temperatures between 900 and 1100°C and it is found that the optimum sintering temperature is 1100°C. Dense BLT ceramics with 90% of their theoretic density have been achieved from the sample prepared at a sintering temperature of 1100°C for 1.5 h.LIN Xue GUAN QingFeng LI HaiBo LIU Yang ZOU GuangTian 2012Science China(Physics,Mechanics & Astronomy)2012,55,1:2
19Construction of Highly Emissive Pt(Ⅱ) Metallacycles upon Irradiation显示文摘Photoswitchable or photoactivatable fluorescent species have been found wide applications within supramolecular chemistry and materials science.In this study,we successfully constructed two highly emissive Pt(Ⅱ)metallacycles from the diarylethene ligands via coordination-driven self-assembly.Different from the most known fluorescent metallacycles,the obtained metallacycles have displayed'turn-on'fluorescence switching.They are non-fluorescent in solution,but they emit highly yellow or orange fluorescence under ultraviolet irradiation.The metallacycles were well characterized by 1H NMR,31P NMR and ESI-TOF-MS.The photochromic properties of the resultant metallacycles were investigated by 1H NMR,31P NMR,UV/Vis spectrum and fluorescence spectrum.Notably,NMR studies revealed that these two metallacycles featured excellent cyclization efficiency(90% conversion efficiency).Moreover,the closed-ring isomers of the metallacycles displayed relatively high quantum yield(ФF=0.5).DFT simulations demonstrated that the antiparallel configuration of the diarylethene ligand had an angle closed to 120°,which was more stable in energy compared to the parallel configuration,thus allowing for the facile construction of highly emissive metallacycles.We believe that such highly emissive metallacycles which are in-situ prepared upon irradiation can be used as new fluorescence materials for sensing and bioimaging in the future.Yi Qin Ying Zhang Guangqiang Yin Yuxuan Wang Changwei Zhang Lijun Chen Hongwei Tan Xiaopeng Li Lin Xu Haibo Yang 2019Chinese Journal of Chemistry2019,37,4:2
20Influence of simulating deep-sea environmental factors on cathodic performance of seawater battery显示文摘A metal-dissolved oxygen seawater battery(SWB)uses metal and dissolved oxygen as the reactants,and it is ideal for use as a long-time low-power distributed power supply in deep sea,due to its advantages of open structure in service without electrolyte.However,several simulating deep-sea environmental factors,such as flow rate,dissolved oxygen concentration,and temperature of seawater may af fect the oxygen reduction reaction(ORR)rate and the stability of electrochemically modified polyacrylonitrile-based carbon fiber brush(MPAN-CFB)cathode,which was studied by steady-state polarization and galvanostatic discharge methods.In addition,the scales formed on MPAN-CFB surface were characterized by SEM and XRD.Results show that the ORR rate increased quickly with the increase of the seawater flow rate up to 3 cm/s,and then gradually stabilized.Moreover,the ORR rate was largely af fected by dissolved oxygen concentration,and the concentration of>3 mg/L was favorable.Compared with surface layer temperature of 15℃,the low temperature of deep sea(4℃)has a negligible ef fect on ORR rate.When the working current is too high,it will lead to the formation of CaCO_3 scales(aragonite)of at the cathodic surface,resulting in the decrease of ORR rate,and consequently the damage to the long-time stability of MPAN-CFB.LU Yonghong YANG Lulu ZHANG Yue ZHAO Qing SANG Lin DING Fei XU Haibo 2020Journal of Oceanology and Limnology2020,38,2:2
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