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A three-dimensional variational ocean data assimilation system:Scheme and preliminary results

Science China Earth sciences 2006年第11期49卷 1212-1222页

作者： zhu jiang1,2. zhou guangqing1,{2., fu weiwei1 & you xiaobao1,3 1. international center for climate and environment sciences, institute of atmospheric physics, chinese academy of sciences, beijing 10002., China 2. jiangsu Key Laboratory of Meteorological Disaster, Nanjing University of Information Science and Technology, Nanjing 2.0044, China 3. beijing institute of Applied Meteorology, beijing 10002., China 1. international {1. for{2. and environment sciences Institute of Atmospheric Physics Chinese Academy of Sciences Beijing 100029 China 2. {1.su Key Laboratory of Meteorological Disaster Nanjing University of Information Science and Technology Nanjing 210044 China 3. beijing {1. of Applied Meteorology Beijing 100029 China

A new 3DVAR-based Ocean Variational Analysis System (OVALS) is developed. OVALS is capable of assimilating in situ sea water temperature and salinity observations and satellite altimetry data. As a component of OVALS, a new variational scheme is proposed to assimilate the sea surface height data. This scheme considers both the vertical correlation of background errors and the nonlinear temperature-salinity relationship which is derived from the generalization of the linear balance constraints to the nonlinear in the 3DVAR. By this scheme, the model temperature and salinity fields are directly adjusted from the altimetry data. Additionally, OVALS can assimilate the temperature and salinity profiles from the ARGO floats which have been implemented in recent years and some temperature and salinity data such as from expendable bathythermograph, moored ocean buoys, etc. A 2.-year assimilation experiment is carried out by using OVALS and the Tropical Pacific circulation model. The results show that the assimilation system may effectively improve the estimations of temperature and salinity by assimilating all kinds of observations. Moreover, the root mean square errors of temperature and salinity in the upper depth less than 42. m reach 0.63℃ and 0.34 psu.

关键词： data assimilation, 3DVAR, sea surface height, ARGO floats.

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Improved ENSO simulation in regional coupled GCM using regressive correction method

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Science China Earth sciences 2007年第8期50卷 1258-1265页

作者： fu weiwei1 & zhou {2.2.1 Nansen-zhu {2. Research center (NZC), institute of atmospheric physics, chinese academy of sciences (CAS), beijing 10002., China 2.State Key Laboratory of Numerical Modeling for atmospheric sciences and Geophysical Fluid Dynamics (LASG), institute of At-mospheric {12., CAS, beijing 10002., China 1. Nansen-zhu {1. Research {2. (NZC) Institute of Atmospheric Physics Chinese Academy of Sciences (CAS) Beijing 100029 China 2. State Key Laboratory of Numerical Modeling for {1. sciences and Geophysical Fluid Dynamics (LASG) Institute of Atmospheric Physics CAS Beijing 100029 China

A regressive correction method is presented with the primary goal of improving ENSO simulation in regional coupled GCM. It focuses on the correction of ocean-atmosphere exchanged fluxes. On the basis of numerical experiments and analysis, the method can be described as follows: first, driving the ocean model with heat and momentum flux computed from a long-term observation data set; the pro-duced SST is then applied to force the AGCM as its boundary condition; after that the AGCM’s simula-tion and the corresponding observation can be correlated by a linear regressive formula. Thus the re-gressive correction coefficients for the simulation with spatial and temporal variation could be obtained by linear fitting. Finally the coefficients are applied to redressing the variables used for the calculation of the exchanged air-sea flux in the coupled model when it starts integration. This method together with the anomaly coupling method is tested in a regional coupled model, which is composed of a global grid-point atmospheric general circulation model and a high-resolution tropical Pacific Ocean model. The comparison of the results shows that it is superior to the anomaly coupling both in reducing the coupled model ‘{1. drift’ and in improving the ENSO simulation in the tropical Pacific Ocean.

关键词： anomaly coupling regressive correction method regional coupled model ENSO simulation

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Doping-driven dual heterogeneous interfacial structures boosting the durability of industry-compatible water splitting at high current density

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Science China Chemistry 2024年第10期67卷 3468-3481页

作者： Chunming yang Lihai {1. Zhijie Kong Xiang Li Wangchuan {2. guangqing Wang yanzhong Zhen Feng fu Yucang Liang Research institute of Comprehensive Energy Industry Technology College of Chemistry&Chemical EngineeringYan’an UniversityYan’an 716000China Henan Key Laboratory of Crystalline Molecular functional Materials Green Catalysis CenterCollege of ChemistryZhengzhou UniversityZhengzhou 450001China Institut für Anorganische Chemie Eberhard Karls UniversitätTübingen 72076Germany

Developing highly stable electrocatalysts under industry-compatible current densities(>500 mA cm^(-2.)in an anion-exchange membrane water electrolyzer(AEMWE)is an enormous challenge for water ***,based on the results of density {1.nction theory calculations,a dual heterogeneous interfacial structured NiSe/Fe-Ni(OH)_(2.catalyst was subtly designed and success{1.lly prepared by electrodepositing Fe-doped Ni(OH)_(2.on NiSe-loaded nickel foam(NF).Fe doping-driven heterogeneous structures in NiSe/Fe-Ni(OH)_(2.markedly boost catalytic activity and durability at industrially compatible current densities in single hydrogen and oxygen evolution reactions under alkaline *** particular,NiSe/Fe-Ni(OH)_(2.shows a negligible performance loss at 600 mA cm^(-2.at least 1.000 h for overall water splitting,a distinguished long-term durability acting as AEMWE electrodes at 600 mA cm^(-2.and 1.A cm^(-2.at 85℃for at least 95 *** to Fe doping-induced strong synergetic effect between Ni and Fe,dual heterostructure-promoted charge transfer and redistribution,abundant catalytic active sites,and improvement of stability and durability,a mechanism of Fe doping-driven heterogeneous interfacial structurepromoted catalytic performance was *** study provides a success{1.l example of theory-directed catalyst preparation and pioneers a creative strategy for industry-compatible water splitting at high current density.

关键词： doping-induced heterojunction structure NiSe/Fe-Ni(OH)_(2. large current density anion-exchange membrane industrycompatible water electrolysis

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Selective sintering of magnesia-calcia materials by utilizing hot spots during induction sintering process

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Journal of Iron and Steel Research international 2024年第8期31卷 1914-1922页

作者： Yun-jie Dong zhou-{1. Wang Hao Liu yan Ma Xi-tang Wang Nian Yi Zhong-feng Xia Yu-xuan {2. Cheng-ji Deng Ling Zhang The State Key Laboratory of Refractories and Metallurgy Wuhan University of Science and TechnologyWuhan 430081HubeiChina School of Materials and Metallurgy University of Science and Technology LiaoningAnshan 110325LiaoningChina

Magnesia-calcia refractories are widely used in the production process of clean steel due to their excellent high-tem-perature stability,slag resistance and ability to purify molten ***,there are still problems such as difficult sintering and easy ***-calcia materials with various calcium oxide contents were prepared by using induction sintering,and the sintering property combined with the hydration resistance of the materials was *** experimental results showed that the magnesia-calcia materials prepared under induction field had higher density,microhardness and hydration *** particular,the relative density of induction sintered magnesia-calcia materials with 50 mo1.CaO was greater than 98%,and the average grain size of CaO was 4.56μm,which was much larger than that of traditional sintered *** order to clarify the densification and microstructure evolution mechanism of the magnesia-calcia materials,the changes in temperature and magnetic field throughout the sintering process were analyzed by using finite element *** results showed that the larger heating rate and higher sintering temperature under the induction sintering mode were beneficial to the rapid *** addition,the hot spots generated within the material due to the difference in high-temperature electric conductivity between MgO and CaO were the critical factor to realize selective sintering in MgO-CaO system,which provides a novel pathway to solve the problem of difficult sintering and control the microstructure of high-temperature composite material used in the field of high-purity steel smelting.

关键词： Magnesia-calcia material Induction sintering Hot spot Selective sintering Density Microstructure control Hydration resistance

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Rare earth element-modified MOF materials:synthesis and photocatalytic applications in environmental remediation

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Rare Metals 2024年第4期43卷 1390-1406页

作者： Shu-Kun Le Qi-Jie Jin Jia-Ao Han Hua-Cong zhou Quan-Sheng Liu {1. yang Jie Miao Pei-Pei Liu Cheng-Zhang {2. Hai-Tao Xu Inner Mongolia Key Laboratory of High-Value functional Utilization of Low Rank Carbon Resources Chemical Engineering CollegeInner Mongolia University of TechnologyHohhot010050China School of environmental Science and Engineering Nanjing Tech UniversityNanjing210009China School of environmental and Chemical Engineering Jiangsu University of Science and TechnologyZhenjiang212100China Institut National de la Recherche Scientifique-Énergie Matériaux et Télécommunications MontrealQCJ3X 1P7Canada

Metal-organic framework-like materials(MOFs)have been developed in the fields of photocatalysis for their excellent optical properties and physicochemical properties,including environmental remediation,CO_({1.photoreduction,water splitting,and so *** their important roles in various fields,rare earth elements have received growing interests from *** MOFs with rare earth elements for modification allows broadening the absorption spectrum,while the active electrons on their empty 4f orbitals can act as traps to capture photoexcited carriers to inhibit the recombination of electron-hole pairs,thus promoting photocatalytic ***,rare earth elements modified MOFs provide an attractive way to achieve their high value *** this mini-review,the synthesis of rare earth element-modified MOFs photocatalysts and corresponding applications in the removal of antibiotics,CO_({1.reduction,and hydrogen production are constructively summarized and ***,the latest advancements and current difficulties of these materials as well as the application prospects are also provided.

关键词： Rare earth metals MOFs Photocatalytic CO_(2. reduction environmental remediation Water splitting

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Status of aquatic organisms resources and their environments in {1.gtze River system(2.1.-2.2.)⋆

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Aquaculture and Fisheries 2024年第5期9卷 833-850页

作者： Haile yang Li Shen Yongfeng He Huiwu Tian Lei Gao Jinming Wu Zhigang Mei Nian Wei Lin Wang Tingbing zhu Feifei Hu Jinling Gong Hongchun Du Xinbin Duan Huatang Deng Daoqun Wang Fengyue zhu Yunfeng Li Fan Wu Huijun Ru yan Zhang Junyi Li Junlin yang Yuntao zhou Dongdong Fang Yinping Wang Danqing Lin yanping yang Peijie Li Silei Liu Jian yang Ping zhuang Sikai Wang Tao Zhang Gang yang Wenbo yang Lilai Yuan Kun Cao Shuo Xu Huiyuan Liu Zhiqiang Liang Chongrui Wang Hong Li Xiping Yuan Xin yang Yilong fu yanping Zhang Haixin Zhang Zhiying Tao Sheng Wang Xiaoping Gao Binsong Jin Kemao Li Guojie Wang Shenglong Jian Yingqin Li Chenjiang Xue Chunyun Lei Shaowei Xue Yi Sun Bin zhu Ke Shao Xingkun Hu Meihua Xiong Jun Du Bin He Tao yan Yingying Huang Yuanchao Zou Biwen Xie Yongming Wang Bin Li Fei Liu Yaoyao Zhang Fei Fan Zhijian Wang Jing Huang Haoran Gu Hailong Ge yan Dan yan Li Shuqiao Wang Chuang Zhang Lu zhou Xue Wang Sheng Zeng yan Xiang Xugang He Jianhui Qin Chengxing Xia Jie Hou Yifu Shi Lifang Gao Zhiqiang zhu Hongbao Shen Yun Du Xuejun Duan Jiawu Xiong Deguo yang Shaoping Liu Zhaohui Ni Hui Zhang Kai Liu Feng Zhao Yingren Li Jianwei Wang Qiwei Wei yangtze River Fisheries Research {1. Chinese Academy of Fishery SciencesWuhan430223China institute of Hydrobiology Chinese Academy of SciencesWuhan430072China Fishery Resource and environment Research {1. Chinese Academy of Fishery SciencesBeijing100141China Key Laboratory of Freshwater Fisheries and Germplasm Resources Utilization Ministry of Agriculture and Rural AffairsFreshwater Fisheries Research CenterChinese Academy of Fishery SciencesWuxi214081China East China Sea Fisheries Research institute Chinese Academy of Fishery SciencesShanghai200090China institute of Fisheries Engineering Chinese Academy of Fishery SciencesBeijing100141China Hunan Fisheries Science institute Changsha410153China jiangxi Fisheries Research {1. Nanchang330039China Jiujiang {1. of Fishery{2. Jiujiang332000China School of Life sciences Nanchang UniversityNanchang330031China Qinghai Provincial Fishery Technology Extension center Xining810012China Yunnan academy of Fishery {1. Kunming650111China institute of Hydroecology Ministry of Water Resources and Chinese Academy of SciencesWuhan430079China Fisheries institute Sichuan Academy of Agricultural SciencesChengdu611731China School of Life sciences Neijiang Normal UniversityNeijiang641100China School of Life sciences Southwest UniversityChongqing400715China Chongqing Fishery sciences Research {1. Chongqing401120China Guizhou Fisheries Research {1. Guiyang550025China College of Fisheries Huazhong Agricultural UniversityWuhan430072China Hubei Fisheries Science Research institute Wuhan430070China Shaanxi Fisheries Research institute Xi’an710086China Innovation academy for Precision Measurement Science and Technology Chinese Academy of SciencesWuhan430077China Nanjing institute of Geography and Limnology Chinese Academy of SciencesNanjing210008China Central South Inventory and Planning institute of State Forestry and Grassland Administration Changsha410014China

The yangtze River is the mother river of *** promote the aquatic ecosystem protection of the great river,the Project of yangtze Fisheries Resources and {2. Investigation(2.1.-2.2.)supported by the Ministry of ... 详细信息

The yangtze River is the mother river of *** promote the aquatic ecosystem protection of the great river,the Project of yangtze Fisheries Resources and {2. Investigation(2.17-2.2.)supported by the Ministry of Agriculture and Rural Affairs,*** carried out by 2. institutes and universities that located in the yangtze River basin surveys the status of(1)fish species composition and spatial distribution,(2.current fish abundance,(3)endangered fishes,(4)yangtze finless porpoise,(5)aquatic eco-{2.s,(6)water-level fluctuation areas,(7)capture fisheries and recreational fisheries of the yangtze River mainstream and 10 of its main tributaries,including Yalong River,Heng River,Min River(including Dadu River),Chishui River,Tuo River,Jialing River,Wu River,Han River,Dongting Lake and Poyang *** results showed that there were 443 fish species(belonging to 163 genus,37 families,and 18 orders)before 2.17,but only 32. fish species(including 15 new recorded exotic species)were recorded in the project of *** them,Cyprinus carpio,Carassius auratus,Hypophthalmichthys molitrix,Pelteobagrus fulvidraco,Coilia brachygnathus,Silurus asotus,Saurogobio dabryi,Ctenopharyngodon idellus,Pelteobagrus nitidus,Hemiculter leucisculus,Siniperca chuatsi,Coreius heterodon,Culter alburnus,Parabramis pekinensis,and Aristichthys nobilis were the dominant species across the whole yangtze River *** is estimated that there were 886 million individuals weighing 12..8 million kg,merely equivalent to 2..3%of the resources in 1950s,30.9%of the resources in 1960s,or 58.7%of the resources in *** the new list of protected fishes that recorded in the yangtze River system,only 15 of 2. were collected in this project of *** gladius has been affirmed to be Extinct by international Union for Conservation of Nature(IUCN).The wild individuals of Tenualosa reevesii and Luciobrama macrocephalus have disappeared for many years and maybe have been extinct

关键词： Fishes yangtze finless porpoise Resources Aquatic ecosystem Fisheries Background investigation yangtze river system

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Altered intrinsic functional connectivity of the primary visual cortex in {1.th patients with comitant exotropia: a resting state fMRI study

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international Journal of Ophthalmology(English edition) 2018年第4期11卷 668-673页

作者： Pei-Wen zhu Xin Huang Lei Ye Nan {1. Yu-Lin Zhong Qing Yuan fu-Qing {2. Yi Shao Department of Ophthalmology the First Affiliated Hospital of Nanchang University Eye center Renmin Hospital of Wuhan University Wuhan University Department of Radiology the First Affiliated Hospital of Nanchang University

AIM： To evaluate the differences in the functional connectivity（FC） of the primary visual cortex（V1. between the {1.th comitant exotropia（CE） patients and health subjects using resting functional magnetic resonance imaging（f MRI） ***： Totally, 32.CEs（2. males and 7 females） and 32.healthy control subjects（HCs）（2. males and 7 females） were enrolled in the study and underwent the MRI scanning. Two-sample t-test was used to examine differences in FC maps between the CE patients and HCs. RESULTS： The CE patients showed significantly less FC between the left brodmann area（BA1.） and left lingual gyrus/cerebellum posterior lobe, right middle occipital gyrus, left precentral gyrus/postcentral gyrus and right inferior parietal lobule/postcentral gyrus. Meanwhile, CE patients showed significantly less FC between right BA1. and right middle occipital gyrus（BA1., 37）.CONCLUSION： Our findings show that CE involves abnormal FC in primary visual cortex in many regions, which may underlie the pathologic mechanism of impaired fusion and stereoscopic vision in CEs.

关键词： comitant exotropia functional connectivity primary visual cortex spontaneous activity

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Trifunctional Cu-Mesh/Cu_({1.O@FeO Nanoarrays for Highly Efficient Degradation of Antibiotic, Inactivation of Antibiotic-Resistant Bacteria, and Damage of Antibiotics Resistance Genes

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Energy & environmental Materials 2023年第1期6卷 349-359页

作者： Long Zhao Wei zhou Ming Wen Qingsheng Wu Weiying Li Yongqing {1. Quanjing zhu Sheng Chen and Jiaqi Ran Shanghai Key Laboratory of Chemical Assessment and Sustainability State Key Laboratory of Pollution Control and Resource ReuseSchool of Chemical Science and EngineeringCollege of Environmental Science and EngineeringTongji UniversityShanghai 200092China Faculty of Engineering and environment Northumbria UniversityNewcastle upon Tyne NE99UK

Trifunctional Cu-mesh/Cu_({1.O@FeO nanoarrays heterostructure is designed and fabricated by integrating CuCu_({1.O@FeO nanoarrays onto Cu-mesh(CM)via an in situ growth and phase transformation *** is successfully applied to efficiently mitigate the antibiotic pollution,including degradation of antibiotics,inactivation of antibiotic-resistant bacteria(ARB),and damage of antibiotics resistance genes(ARGs).Under visible-light irradiation,CM/CuCu_({1.O@FeO nanoarrays exhibit a superior degradation efficiency on antibiotics(e.g.,up to 99%in {1. min for tetracycline hydrochloride,TC),due to the generated reactive oxygen species(ROS),especially the dominant·O^({1.).It can fully inactivate ***(HB1.1.with initial number of~1.8 Cfu mL^(−1. in 1. min,which is mainly attributed to the synergistic effects of 1. nanostructure,dissolved metal ions,and generated ***,it is able to damage ARGs after 1.0 min of photodegradation,including tetA(vs TC)of 3.3 log 1.,aphA(vs kanamycin sulfate,KAN)of 3.4 log 1.,and tnpA(vs ampicillin,AMP)of 4.4 log 1.,*** work explores a green way for treating antibiotic pollution under visible light.

关键词： antibiotic antibiotic resistance genes antibiotic-resistant bacteria Cu-Mesh/Cu_(2.O@FeO nanoarrays photocatalytic degradation

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ZmMS1.ZmLBD30-orchestrated transcriptional regulatory networks precisely control pollen exine development

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Molecular Plant 2023年第8期16卷 1321-1338页

作者： Quancan Hou Xueli An Biao Ma Suowei Wu Xun Wei Tingwei yan yan {2. Taotao zhu Ke Xie Danfeng Zhang Ziwen Li Lina Zhao Canfang Niu yan Long Chang Liu WeiZhao FeiNi Jinping Li Daolin fu Zhong-Nanyang Xiangyuan Wan Research institute of Biology and Agriculture University of Science and Technology BeijingBeijing 100083China beijing Engineering Laboratory of Main Crop Bio-Tech Breeding Zhongzhi International Institute of Agricultural BiosciencesBeijing 100192China State Key Laboratory of Crop Biology College of AgronomyShandong Agricultural UniversityTaianShandong 271018China Shanghai Key Laboratory of Plant Molecular sciences College of Life SciencesShanghai Normal UniversityShanghai 200234China

Because of its significance for plant male fertility and,hence,direct impact on crop yield,pollen exine development has inspired decades of scientific ***,the molecularmechanismunderlying exine formation and thickness remains *** this study,we identified that a previously unrecognized repressor,ZmMS1.ZmLBD30,controls proper pollen exine development in *** an ms1.mutant with aberrantly thickened exine,we cloned a male-sterility gene,ZmMs1.which encodes a tapetum-specific lateral organ boundary domain transcription factor,*** thatZmMs1.ZmLBD30 is initially turned on by a transcriptional activation cascade of ZmbHLH51.ZmMYB84-ZmMS7,and then it serves as a repressor to shut down this cascade via feedback repression to ensure timely tapetal degeneration and proper level of *** activation-feedback repression loop regulating male fertility is conserved in maize and sorghum,and similar regulatory mechanism may also exist in other flowering plants such as rice and ***,these findings reveal a novel regulatory mechanism of pollen exine development by which a long-sought master repressor of upstream activators prevents excessive exine formation.

关键词： ZmMs1.ZmLBD30 LBD transcription factor feedback repression exine male sterility maize

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Causes of the Intraseasonal SST Variability in the Tropical Indian Ocean

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atmospheric and Oceanic Science Letters 2008年第1期1卷 18-23页

作者： Tim Li Francis Tam Xiouhua fu {1. Tian-Jun zhu Wei-Jun IPRC and Department of Meteorology University of Hawaii at Manoa Honolulu Hawaii USA institute of {1.{2. Chinese Academy of Sciences Beijing 100029 China Joint climate {1. of CMA ＆ NUIST Nanjing University of Information Science ＆ Technology Nanjing 210044 China

Satellite observations reveal a much stronger intraseasonal sea surface temperature （SST） variability in the southern Indian Ocean along 5-1.°S in boreal winter than in boreal summer. The cause of this seasonal dependence is studied using a 2.1.2.layer ocean model forced by ERA-40 reanalysis products during 1.87-2.01. The simulated winter-summer asymmetry of the SST variability is consistent with the observed. A mixed-layer heat budget is analyzed. Mean surface westerlies along the ITCZ （5-1.°S） in December-January-February （DJF） leads to an increased （decreased） evaporation in the westerly （easterly） phase of the intraseasonal oscillation （ISO）, during which convection is also enhanced （suppressed）. Thus the anomalous shortwave radiation, latent heat flux and entrainment effects are all in phase and produce strong SST signals. During June-July-August （JJA）, mean easterlies prevail south of the equator. Anomalies of the shortwave radiation tend to be out of phase to those of the latent heat flux and ocean entrainment. This mutual cancellation leads to a weak SST response in boreal summer. The resultant SST tendency is further diminished by a deeper mixed layer in JJA compared to that in DJF. The strong intraseasonal SST response in boreal winter may exert a delayed feedback to the subsequent opposite phase of ISO, implying a two-way air-sea interaction scenario on the intraseasonal timescale.

关键词： SST ISO shortwave radiation latent heatflux ocean entrainment

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