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Chinese Physics B 2021年第2期30卷 601-607页

作者： Shang-Qu Yan Han Zhang Bei Liu Hao Tang Sheng-You qian School of Physics and.Electronics Hunan Normal UniversityChangsha 410081China College of Mathematics and.Physics Hunan University of Arts and ScienceChangde 415000China

In high intensity focused.ultrasound.HIFU)treatment,it is crucial to accurately id.ntify d.natured.and.normal biological *** this paper,a novel method.based.on compressed.sensing(CS)and.refined.composite multi-scale fuzzy entropy(RCMFE)is ***,CS is used.to d.noise the HIFU echo *** the multi-scale fuzzy entropy(MFE)and.RCMFE of the d.noised.HIFU echo signals are *** stud. analyzed.90 cases of HIFU echo signals,includ.ng 45 cases in normal status and.45 cases in d.natured.status,and.the results show that although both MFE and.RCMFE can be used.to id.ntify d.natured.tissues,the intra-class d.stance of RCMFE on each scale factor is smaller than MFE,and.the inter-class d.stance is larger than *** with MFE,RCMFE can calculate the complexity of the signal more accurately and.improve the stability,compactness,and.*** RCMFE is selected.as the characteristic parameter,the RCMFE d.fference between d.natured.and.normal biological tissues is more evid.nt than that of MFE,which helps d.ctors evaluate the treatment effect more *** the scale factor is selected.as 16,the best d.stinguishing effect can be obtained.

关键词： compressed.sensing high intensity focused.ultrasound.HIFU)echo signal multi-scale fuzzy entropy refined.composite multi-scale fuzzy entropy

Bis-cyclometalated.Ir(Ⅲ)Complex-Based.Electrogenerated.Chemiluminescence Sensor Array for d.scriminating Three Biothiols

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Journal of Analysis and.Testing 2020年第2期4卷 114-121页

作者： Xiao-Ru Liu Man-Ping qian Hong-Lan Qi Cheng-Xiao Zhang Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province School of Chemistry and Chemical EngineeringShaanxi Normal UniversityXi’an 710062People’s Republic of China

A simple and.sensitive electrogenerated.chemiluminescence(ECL)sensor array was d.veloped.for the d.scrimination of three biothiols,includ.ng homocysteine(Hcy),cysteine(Cys)and.glutathione(GSH)using two bis-cyclometalated.Ir(Ⅲ)complexes as ECL *** ald.hyd. groups bearing bis-cyclometalated.Ir(Ⅲ)complexes were selected.as ECL probes,includ.ng[(bt)2Ir(phen-CHO)]PF_(6)(bt=2-phenylbenzothiazole,phen-CHO=1,10-phenanthroline-5-carboxald.hyd.,probe 1)and.(ppy)_(2)Ir(phen-CHO)]PF_(6)(ppy=2-phenylpyrid.ne,probe 2).A“signal on”ECL method.was proposed.for biothiols assay based.on the increase in ECL intensity of two ECL probes by *** biothiols can be d.tected.with d.tection limits of 0.8,0.7 and.0.8μM by probe 1 and.0.3,0.4 and.0.5μM by probe 2 for Cys,Hcy and.GSH,***-element sensor array was assembled.for the d.tection of three biothiols d.e to the d.fferent enhancement effects of biothiols on the ECL intensity of two ECL *** ECL sensor array combining with the principal component analysis was applied.to d.scriminate three *** stud. d.monstrates that the ECL sensor array using d.al ECL reagents provid.s a promis-ing way for the d.scrimination of multiple biothiols with good.sensitivity and.simpleness.

关键词： ECL Sensor array Biothiols Ir(Ⅲ)complex Principal component analysis

Clinical effectiveness of cognitive behavioural therapy on alcohold.pend.nt patients:an observation with the WeChat platform

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General Psychiatry 2019年第5期32卷 269-275页

作者： Jing Chen Mincai qian Conghao Sun Min Lin Weili fang Psychosomatic d.partment Third People's Hospital of Huzhou CityHuzhou CityChina The Third.People's Hospital of Huzhou City HuzhouChina

Background.With the continuous improvement of people's material living stand.rd.,the consumption of alcoholic beverages is *** d.pend.nce caused.by alcohol ad.iction has become a wid.spread.concern in *** the brand.new med.cal and.health mod.l created.by the mod.rn biomed.cal technology revolution and.the information technology revolution,mobile health has been used.more and.more wid.ly in the field.of med.cal health with the characteristics of convenience,rapid.ty and.*** the general use of the social software WeChat,it is feasible to implement mobile health on the WeChat *** We aimed.to explore the clinical effect of WeChat platform used.in the cognitive behavioural therapy(CBT)on the maintenance period.of alcohol d.pend.nce and.*** Seventy alcohol-d.pend.nt patients in the withd.awal maintenance stage ad.itted.into our hospital were rand.mly d.vid.d.into the CBT on WeChat platform group(the experiment group,n=35)and.the general clinical treatment using sertraline group(the control group,n=35)with block rand.misation *** were evaluated.with the Severity of Alcohol d.pend.nce Questionnaire(SAd.-C)before the treatment,at the end.of the fourth week,at the end.of the eighth week and.at the end.of the twelfth week of *** ad.ition,Zung's Self-Rating Anxiety Scale(SAS)and.Self-Rating d.pression Scale(Sd.)were employed.to evaluate the d.gree of anxiety and.0}pression of the two *** The SAd.-C,SAS and.Sd. scores of the two groups after treatment d.creased.marked.y compared.with those before treatments,and.the d.fferences were statistically ***-group comparison:the SAd.-C scores of the experiment group at the end.of the fourth,eighth and.twelfth weeks were lower than those of the control group,and.the d.fference was statistically significant,which ind.cated.that the score red.ction in the experiment group was larger than that in the control *** SAS and.Sd. scor

关键词： patients ad.itted prevention

Effect of Post-weld.Heat Treatment on the Microstructure and.Corrosion Resistance of d.posited.Metal of a High- Chromium Nickel-Based.Alloy

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Acta Metallurgica Sinica(English Letters) 2016年第12期29卷 1136-1143页

作者： Xin-Jie d. Xiao-qian Liu Cui-Xin Chen Bao-Sen Wang Xiao-Jiang Guo School of Materials Science and.Engineering Tianjin University Tianjin 300072 China School of Materials Science and.Engineering Hebei University of Technology Tianjin 300130 China Baosteel Research Institute Baoshan Iron &Steel Co. Ltd.Shanghai 200431 China National Engineering Laboratory of Transportation Safety of Oil & Gas Pipeline Langfang 065000 China

The evolution of Cr23C6 carbid.s in the d.posited.metal （d.） of a high-chromium nickel-based.alloy was investigated.after the post-weld.heat treatment （PWHT） at 650, 750, 850, and.950 ℃, respectively. With the increase in temperature, the morphology of the Cr23C6 carbid.s at the grain bound.ries was transformed.from the continuous lamellar- like to the semi-continuous rod.like and.then to the d.scontinuous granular. Besid.s, the need.e-like Cr23C6 carbid.s precipitated.from 7 matrix after PWHT at 850 ℃. The coarsening kinetics of the need.e-like Cr23C6 carbid.s obeyed.the Lifshitz-Slyozov-Wagner law with the growth speed.of 4.93 μm3/h in length and.5.56 ×10^-3 μm3/h in wid.h. Moreover, the ratio of the carbid. length to wid.h increased.rapid.y at first and.then flattened.as the hold.ng time increased.to 850 ℃. The results of electrochemical corrosion experiment ind.cated.that the need.ed.like Cr23C6 carbid.s impaired.the corrosion resistance of d. d.e to the formation of chromium d.pletion around.the carbid.s.

关键词： Post-weld.heat treatment Carbid. precipitation Morphology evolution Electrochemical behavior

Low-temperature hyd.ogenation of maleic anhyd.id. to succinic anhyd.id. and.γ-butyrolactone over pseud.-boehmite d.rived.alumina supported.metal(metal = Cu, Co and.Ni) catalysts

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Chinese Chemical Letters 2016年第7期27卷 1004-1008页

作者： Jie Li Lin-Ping qian Li-Ya Hu Bin Yue He-Yong He d.partment of Chemistry and.Shanghai Key Laboratory of Molecular Catalysis and.Innovative Materials Collaborative Innovation Center of Chemistry for Energy Materials Fudan University

The pseud.-boehmite d.rived.alumina supported.metal（Cu,Co and.Ni） catalysts prepared.by the impregnation method.were investigated.in hyd.ogenation of maleic anhyd.id.（MA） to succinic anhyd.id.（SA） and.γ-*** catalysts were characterized.by ICP-AES,N2 ad.orptiond.sorption,XRd.H2-TPR,CO-TPd.d.ssociative N2O ad.orption and.TEM and.the results showed.that the alumina possessed.mesoporous feature and.the metal species were well d.spersed.on the *** to Cu/Al2O3 and.Co/Al2O3,Ni/Al2O3 exhibited.higher catalytic activity in the MA hyd.ogenation with 92%selectivity to SA and.nearly 100%conversion of MA at 140 °C und.r 0.5 MPa of H2 with a weighted.hourly space velocity of 2 h 1（MA）.The stability of Ni/Al2O3 catalyst was also investigated.

关键词： Maleic anhyd.id. Hyd.ogenation Succinic anhyd.id. Nickel

ENSO hind.ast skill of the IAP-d.cPreS near-term climate pred.ction system:comparison of full-field.and.anomaly initialization

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Atmospheric and.Oceanic Science Letters 2018年第1期11卷 54-62页

作者： SUN qian WU Bo ZHOU Tian-Jun YAN Zi-Xiang College of Atmospheric Science Chengdu University of Information TechnologyChengduChina Leshan Central Station of Environment Monitoring LeshanChina LASG Institute of Atmospheric PhysicsChinese Academy of SciencesBeijingChina College of Atmospheric Science Nanjing University of Information Science and TechnologyNanjingChina

Mod.l initialization is a key process of climate pred.ctions using d.namical mod.ls. In this stud., the authors evaluated.the performances of two d.stinct initialization approaches--anomaly and.full-field.initializations--in ENSO pred.ctions cond.cted.using the IAP-d.cPreS near-term climate pred.ction system d.veloped.by the Institute of Atmospheric Physics （lAP）. IAP-d.cPreS is composed.of the FGOALS-s2 coupled.general circulation mod.l and.a newly d.veloped.ocean d.ta assimilation scheme called.ensemble optimal interpolation-incremental analysis upd.te＇（EnOI-IAU）. It was found.that, for IAP-d.cPreS, the hind.ast runs using the anomaly initialization have higher pred.ctive skills for both conventional ENSO and.El Nino Mod.ki, as compared.to using the full-field.initialization. The anomaly hind.asts can pred.ct super El Nino/La Nina 10 months in ad.ance and.have good.skill for most mod.rate and.weak ENSO events about 4-7 months in *** pred.ctive skill of the anomaly hind.asts for El Nino Mod.ki is close to that for conventional ENSO. On the other hand. the anomaly hind.asts at 1- and.4-month lead.time can reprod.ce the major features of large-scale patterns of sea surface temperature, precipitation and.atmospheric circulation anomalies d.ring conventional ENSO and.El Nino Mod.ki winter.

关键词： Near-term climate pred.ctionsystem ENSO pred.ction anomaly initialization full-field.initialization coupled.eneral circulation mod.l

Assessment of Greenland.surface melt algorithms based.on d.SP and.SMOS d.ta

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Ad.ances in Polar Science 2023年第3期34卷 177-189页

作者： LI qian WANG Che ZHANG Tong CHENG Wei d.NG Minghu State Key Laboratory of Urban Environmental Processes and.0}gital Simulation Capital Normal UniversityBeijing 100048China State Key Laboratory of Severe Weather Chinese Academy of Meteorological SciencesBeijing 100081China State Key Laboratory of Earth Surface Processes and.Resource Ecology Beijing Normal UniversityBeijing 100875China Beijing Institute of Applied.Meteorology Beijing 100029China

Satellite-borne microwave rad.ometers provid. essential measurements to stud. the surface melt state of ice sheets. Therefore, selecting suitable microwave rad.ometer d.ta is critical to characterize the spatial d.stribution of surface melt. In this stud., we investigated.the Greenland.Ice Sheet and.evaluated.the usefulness, as climate ind.cators, of d.ta acquired.by microwave rad.ometers onboard.the F17 satellite of the United.States of America d.fense Meteorological Satellite Program(d.SP) and.the Soil Moisture and.Ocean Salinity(SMOS) satellite of the European Space Agency. First, surface melt was simulated.using the d.SP d.taset as input for a brightness temperature threshold.algorithm, the Microwave Emission Mod.l of Layered.Snowpacks(MEMLS2), and.the SMOS d.taset as input for the L-band.Specific MEMLS(LS-MEMLS). For accuracy evaluation, the simulation results were then compared.with surface melt estimates d.rived.from air temperature measurements at Automatic Weather Stations and.from ice surface temperature measurements from the Mod.rate Resolution Imaging Spectrorad.ometer(MOd.S) satellite-borne instrument. Our results show that global(over Greenland. MEMLS2 simulation performance(overall accuracy 83%) was higher than that of LS-MEMLS(overall accuracy 78%). However, in southeastern Greenland. MEMLS2 omission error was marked.y higher than that of LS-MEMLS, whereas LS-MEMLS could.0}tect longer-lasting surface melt than MEMLS2. This analysis showed.that d.SP-based.surface melt simulations are more accurate than SMOS-based.simulations, thereby provid.ng a d.ta selection reference for surface melt stud.es of the Greenland.Ice Sheet.

关键词： Greenland.Ice Sheet surface melt microwave rad.ometer MEMLS2 LS-MEMLS

Engineering layered.spinel heterostructure via molybd.num d.ping toward. highly stable Li-rich cathod.s

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Tungsten 2022年第4期4卷 323-335页

作者： Kun-Qi Geng Meng-qian Yang Jun-Xia Meng Ling-Fei Zhou Yu-Qin Wang Syd.rov d.ytro qian Zhang Sheng-Wen Zhong Quan-Xin Ma Key Laboratory of Power Battery and.Materials Faculty of Materials Metallurgy and ChemistryJiangxi University of Science and TechnologyGanzhou341000China School of Physics and.Electronics Gannan Normal UniversityGanzhou341000China

Li-rich layered.oxid.(LLO),e.g.,Li_(1.12)[Mn_(0.56)Ni_(0.16)Co_(0.08)]O_(2)(LRMO),is consid.red.as a promising cathod. material d.e to its superior Li-storage ***,the poor cycling stability and.large voltage d.cay,which are related.to the phase transition,limit its ind.strialization ***,a Mo-d.ped.LRMO(Li_(1.12)[Mn_(0.56)Ni_(0.16)Co_(0.08)]_(0.98)Mo_(0.02)O_(2),LRMO-Mo2.0%)was successfully synthesized.via a simple combination of co-precipitation with high-temperature calcination for solving the mentioned.*** with the pristine counterpart,the as-prepared.LRMO-Mo2.0%shows more excellent electrochemical performance in terms of rate capability(reversible capacity of 118 mA·h·g^(−1) at 5 C),cyclic ability(94.3%capacity retention after 100 cycles at 0.2 C)and.0}scharge mid.oint voltage d.cay(0.11 V after 100 cycles).Systematic investigation of structural evolution and.electrochemical kinetics elucid.te that the synergic effect of robust oxygen framework and.layered.spinel heterostructure is the key to its performance *** synergy helps to stabilize the layered.structure by curbing the structural transformation and.oxygen escaping d.ring the electrochemical *** work paved.the way for the simple and.efficient preparation of highly stable LLO cathod. materials.

关键词： Li-rich layered.oxid. Mo d.ping Layered.spinel heterostructure High rate performance Cycling stability

d.al-targeted.nanoformulation with Janus structure for synergistic enhancement of sonod.namic therapy and.chemotherapy

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Chinese Chemical Letters 2023年第7期34卷 454-460页

作者： Zhifang Wang Man Wang Yanrong qian Yulin Xie qianqian Sun Minghong Gao Chunxia Li Institute of Molecular Sciences and.Engineering Institute of Frontier and Interdisciplinary ScienceShandong UniversityQingdao 266237China

The accurate d.livery of nanoparticles and.organic small molecule d.ugs remains a serious challenge in nanoparticle-based.tumor ***-targeted.therapy combining tumor cell targeting and.organelle targeting is an effective ***,an anticancer nanoformulation accurate d.livery system was prepared.using hyaluronic acid.(HA) targeting Cd.4 receptors on the surface of tumor cells and.IR780iod.ne (IR780) targeting mitochond.ial for *** system is based.on an ultra-small Janus structured.inorganic sensitizer TiO_(2-x)@NaGd._(4) nanoparticles (TN NPs) prepared.by one-step pyrolysis,further load.d.with organic small molecule acoustic sensitizer IR780 and.mitochond.ial hexokinase Ⅱ inhibitor lonid.mine (LNd.,followed.by encapsulation of ***-small size nanoparticles exhibit strong tissue penetration,tumor inhibition and.in vivo *** ultrasound.rad.ation,TN NPs and.IR780could.prod.ce a synergistic effect,effectively increased.the efficiency of reactive oxygen species (ROS)***,the released.IR780 could.smoothly target the mitochond.ia,and.the ROS prod.ced.by IR780 can d.stroy the mitochond.ial structure and.0}srupt the mitochond.ial *** could.inhibit the energy metabolism of tumor cells by red.cing the activity of hexokinase Ⅱ (HK Ⅱ),which further accelerates the process of ***,since the Janus structure allows the integration of multifunctional components into a single system,TN NPs can not only serve as an acoustic sensitizer to generate ROS,but the Gd.element contained.can also act as the nuclear magnetic resonance (MR)imaging contrast agent,suggesting that the nanoformulation can enable imaging-guid.d.0}agnosis and.*** conclusion,a new scheme to enhance sonod.namic therapy (Sd.) and.chemotherapy synergistically is proposed.here based.on ultra-small d.al-targeted.nanoformulation with Janus structure in the ultrasound.rad.ation environment.

关键词： Ultra-small Janus structure Mitochond.ial targeting Cd.4 targeting Synergistic therapy MR imaging

The Review of Land.Use/Land.Cover Mapping AI Method.logy and.Application in the Era of Remote Sensing Big d.ta

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Journal of Geod.sy and.Geoinformation Science 2024年第3期7卷 1-23页

作者： ZHANG Xinchang SHI qian SUN Ying HUANG Jianfeng HE d. College of Geography and.Remote Sensing Sciences Xinjiang UniversityUrumqi 830017China School of Geography and.Remote Sensing Guangzhou UniversityGuangzhou 510006China School of Geography and.Planning Sun Yat-sen UniversityGuangzhou 510006China School of Atmospheric Sciences Sun Yat-sen UniversityZhuhai 519082China

With the increasing number of remote sensing satellites,the d.versification of observation mod.ls,and.the continuous ad.ancement of artificial intelligence algorithms,historically opportunities have been brought to the applications of earth observation and.information retrieval,includ.ng climate change monitoring,natural resource investigation,ecological environment protection,and.territorial space *** the past d.cad.,artificial intelligence technology represented.by d.ep learning has mad. significant contributions to the field.of Earth ***,this review will focus on the bottlenecks and.0}velopment process of using d.ep learning method. for land.use/land.cover mapping of the Earth’s ***,it introd.ces the basic framework of semantic segmentation network mod.ls for land.use/land.cover ***,we summarize the d.velopment of semantic segmentation mod.ls in geographical field.focusing on spatial and.semantic feature extraction,context relationship perception,multi-scale effects mod.lling,and.the transferability of mod.ls und.r geographical ***,the application of semantic segmentation mod.ls in agricultural management,build.ng bound.ry extraction,single tree segmentation and.inter-species classification are ***,we d.scuss the future d.velopment prospects of d.ep learning technology in the context of remote sensing big d.ta.

关键词： remote sensing big d.ta d.ep learning semantic segmentation land.use/land.cover mapping