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Optimization of water-urban-agricultural-ecological land use pattern:A case study of Guanzhong Basin in the southern Loess Plateau of Shaanxi Province,China

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China Geology 2024年第3期7卷 480-493页

作者： Sai Wang Bin Wu Hai-xue Li min-min zhao Lei Yuan Xi Wu Tao Ma Fu-cheng Li Shuang-bao Han Center for Hydrogeology and Environmental Geology Survey China Geological SurveyMinistry of Natural ResourcesTianjin 300304China Center for Groundwater Exploration and Development Engineering Research China Geological SurveyMinistry of Natural ResourcesTianjin 300304China School of Environmental Studies China University of GeosciencesWuhan430078China State Environmental Protection Key Laboratory of Source Apportionment and Control of Aquatic Pollution Hubei Key Laboratory of Yangtze Catchment Environmental Aquatic ScienceChina University of GeosciencesWuhan430078China

Extensive land use will cause many environmental *** is an urgent task to improve land use efficiency and optimize land use *** recent years,due to the flow decrease,the Guanzhong Basin in Shaanxi Province is confronted with the problem of insufficient water resources *** on the Coupled Ground-Water and Surface-Water Flow Model(GSFLOW),this paper evaluates the response of water resources in the basin to changes in land use patterns,optimizes the land use pattern,improves the ecological and economic benefits,and the efficiency of various spatial development,providing a reference for ecological protection and high-quality development of the Yellow River *** research shows that the land use pattern in the Guanzhong Basin should be further *** the condition of considering ecological and economic development,the percentage change of the optimum area of farmland,forest,grassland,water area,and urban area compared with the current land use area ratio is+2.3,+2.4,-6.1,+0.2,and+1.6,*** economic and ecological value of land increases by14.1%and 3.1%,respectively,and the number of water resources can increase by 2.5%.

关键词： Coupled Ground-Water and Surface-Water Flow Model(GSFLOW) Land use patterns Water resources optimization Ecological and economic benefits Coupling model Hydrological environmental engineering Guanzhong Basin Southern Loess Plateau Yellow River basin

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Relationship between Various Chinese Medicine Types and T-cell Subsets in Patients with Ulcerative Colitis

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Chinese Journal of Integrative Medicine 2009年第3期15卷 220-223页

作者：常廷民李秀敏赵习德 Department of Internal Digestive Medicine First Affiliated Hospital of Xinxiang Medical College Wuhan Union Hospital Tongji Medical College of Huazhong University of Science and Technology Department of Integrative Chinese and Western Medicine First Affiliated Hospital of Xinxiang Medical College

Objective:To investigate the relationship between various Chinese medicine(CM) types and T-cell subsets(CD4^+ and CD8^+) in the colonic mucous membranes of patients with ulcerative colitis(UC).Methods: Fifty UC patients were enrolled,after differentiation into four types by CM syndromes,i.e.,the internal heat-damp accumulation type(IHDA),the qi-stagnancy with blood stasis type(QSBS),the Pi(脾)-Shen(肾) yang-deficiency type(PSYD) and the yin-blood deficiency type(YBD).From every patient,3-5 pieces of intestina...

关键词： ulcerative colitis Chinese medicine typing T cell subset

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Longitudinal assessment of peripheral organ metabolism and the gut microbiota in an APP/PS1 transgenic mouse model of Alzheimer’s disease

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Neural Regeneration Research 2025年第10期20卷 2982-2997页

作者： Hongli Li Jianhua Huang Di zhao Lemei Zhu Zheyu Zhang min Yi Weijun Peng Department of Integrated Traditional Chinese&Western Medicine The Second Xiangya HospitalCentral South UniversityChangshaHunan ProvinceChina National Clinical Research Center for Metabolic Diseases ChangshaHunan ProvinceChina Hunan Academy of Chinese Medicine ChangshaHunan ProvinceChina Academician Workstation Changsha Medical UniversityChangshaHunan ProvinceChina

Alzheimer’s disease not only affects the brain,but also induces metabolic dysfunction in peripheral organs and alters the gut *** aim of this study was to investigate systemic changes that occur in Alzheimer’s disease,in particular the association between changes in peripheral organ metabolism,changes in gut microbial composition,and Alzheimer’s disease *** do this,we analyzed peripheral organ metabolism and the gut microbiota in amyloid precursor protein-presenilin 1(APP/PS1)transgenic and control mice at 3,6,9,and 12 months of ***-month-old APP/PS1 mice exhibited cognitive impairment,Alzheimer’s disease-related brain changes,distinctive metabolic disturbances in peripheral organs and fecal samples(as detected by untargeted metabolomics sequencing),and substantial changes in gut microbial composition compared with younger APP/PS1 ***,a strong correlation emerged between the gut microbiota and kidney metabolism in APP/PS1 *** findings suggest that alterations in peripheral organ metabolism and the gut microbiota are closely related to Alzheimer’s disease development,indicating potential new directions for therapeutic strategies.

关键词： Alzheimer’s disease APP/PS1 mice brain-kidney axis gut microbiota heart-brain axis liver-brain axis lung-brain axis microbiota-gut-brain axis peripheral organ metabolism spleen-brain axis

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Distribution,characteristics and influencing factors of fresh groundwater resources in the Loess Plateau,China

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China Geology 2021年第3期4卷 509-526页

作者： Hai-xue Li Shuang-bao Han Xi Wu Sai Wang Wei-po Liu Tao Ma Meng-nan Zhang Yu-tao Wei Fu-qiang Yuan Lei Yuan Fu-cheng Li Bin Wu Yu-shan Wang min-min zhaoa Han-wen Yang Shi-bo Wei Center for Hydrogeology and Environmental Geology Survey China Geological SurveyBaoding 071051China Southern University of Science and Technology Shenzhen 518055China Geological Environment Monitoring Institute of Gansu Province Lanzhou 730050China China Institute for GeoEnvironmental Monitoring China Geological SurveyBeijing 100081China Xi'an Center China Geological SurveyXi'an 710100China

The fresh groundwater in the Loess Plateau serves as a major source of water required for the production and livelihood of local residents and is greatly significant for regional economic and social development and ecological *** paper analyzes the hydrogeological conditions and groundwater characteristics in the Loess Plateau,expatiates on the types and distribution characteristics of the fresh groundwater in the plateau,and analyzes the influencing factors and mechanisms in the formation of the fresh groundwater in the plateau as a *** on this,it summarizes the impacts of human activities and climatic change on the regional fresh *** groundwater in Loess Plateau features uneven temporal-spatial distribution,with the distribution space of the fresh groundwater closely relating to *** groundwater shows a distinct zoning pattern of hydrochemical *** is fresh water in shallow parts and is salt water in deep parts overall,while the fresh water of exploration value is distributed only in a small *** storage space and migration pathways of fresh groundwater in the loess area feature dual voids,vertical multilayers,variable structure,poor renewability,complex recharge processes,and distinct spatial *** general,the total dissolved solids(TDS)of the same type of groundwater tends to gradually increase from recharge areas to discharge *** favorable for the formation of fresh groundwater in loess tablelands include the low content of soluble salts in strata,weak evaporation,and special hydrodynamic *** to climate change and human activities,the resource quantity of regional fresh water tends to decrease overall,and the groundwater dynamic field and the recharge-discharge relationships between groundwater and surface water have changed in local *** activities have a small impact on the water quality but slightly affect the water quantity of the groundwater in loess.

关键词： Fresh groundwater Distribution pattern Climate change Human activities Hydrogeological survey engineering Loess Plateau China

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Highly mass activity electrocatalysts with ultralow Pt loading on carbon black for hydrogen evolution reaction

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International Journal of minerals,Metallurgy and Materials 2025年第1期32卷 182-190页

作者： Shaorou Ke Yajing zhao Xin min Yanghong Li Ruiyu Mi Yangai Liu Xiaowen Wu minghao Fang zhaohui Huang Engineering Research Center of ministry of Education for Geological Carbon Storage and Low Carbon Utilization of Resources Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid WastersNational Laboratory of Mineral MaterialsSchool of Materials Science and TechnologyChina University of Geosciences(Beijing)Beijing 100083China

Pt-based nanocatalysts offer excellent prospects for various ***,the low loading of Pt with excellent performance for efficient and stable nanocatalysts still presents a considerable *** this study,nanocatalysts with ultralow Pt content,excellent performance,and carbon black as support were prepared through in-situ ***~2-nm particles uniformly and stably dispersed on carbon black because of the strong s-p-d orbital hybridizations between carbon black and Pt,which suppressed the agglomeration of Pt *** unique structure is beneficial for the hydrogen evolution *** catalysts exhibited remarkable catalytic activity for hydrogen evolution reaction,exhibiting a potential of 100 mV at 100 mA·cm^(-2),which is comparable to those of commercial Pt/C *** activity(1.61 A/mg)was four times that of a commercial Pt/C catalyst(0.37 A/mg).The ultralow Pt loading(6.84wt%)paves the way for the development of next-generation electrocatalysts.

关键词： hydrogen evolution reaction ultralow platinum in-situ synthesis ultrasound

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A mechanical reinforced and antifreezing polyacrylate hydrogel electrolyte for high-performance zinc-ion batteries

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Nano Research 2025年第1期18卷 341-350页

作者： Zili Zhang Ruolin Wang Hongfei Lu Di Zhang Yu zhao Jing Xu Bin Sun Zhi-min Dang Yang Jin School of Electrical and Information Engineering Zheng Zhou UniversityZhengzhou 450001China State Key Lab of New Ceramics and Fine Processing School of Materials Science and EngineeringTsinghua UniversityBeijing 100084China

The operation of aqueous zinc-ion batteries in flexible energy storage field is plagued by the uncontrollable growth of Zn-dendrite and inevitable freeze of water below 0 ℃.Therefore,it is necessary to design a hydrogel electrolyte with good mechanical property and freezing resistance to uniform the Zn-deposition and resist flexibility loss at low *** find that the mechanical property(strength and toughness)of hydrogel electrolyte has a significant impact on the suppression of dendrite growth and the uniform deposition of zinc ***,a polyacrylate hydrogel is prepared in one step by ultraviolet(UV)curing method with Zn(CF_(3)SO_(3))_(2)salt and polyvinyl alcohol(PVA)addition to increase the antifreezing ability and mechanical *** adsorption of water molecules by 2-hydroxyethyl acrylate(HEA)and PVA reduces the freezing point of the hydrogel,which is beneficial for enhancing the electrochemical stability at low *** this basis,the Zn-symmetrical battery with hydrogel electrolyte has a long lifespan of 4710 h at 0.5 mA·cm^(-2)and 0.5 mAh·cm^(-2)at room ***,the hydrogel electrolyte exhibits an outstanding stability at low temperature of^(-2)0 ℃,the lifespan of symmetrical battery reaches to 4000 h at 0.5 mA·cm^(-2)and 0.5 mAh·cm^(-2).The assembled full cell with NaV3O8·1.5H_(2)O(NVO)cathode and hydrogel electrolyte possesses a high capacity retention ratio of 77%after 10,000 cycles at^(-2)0 ℃.The flexible cell can power light-emitting diode(LED)lamp under bending,warping and cutting without liquid leakage and an electronic watch at the operating temperature of^(-2)0 ℃.

关键词： zinc ion battery hydrogel electrolyte mechanical enhancement freezing resistance

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药师参与会诊指导感染性疾病合理用药及其病例汇总分析

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实用医药杂志 2017年第3期34卷 240-243页

作者：唐毅敏赵敏南京医科大学附属无锡市人民医院江苏无锡214023

目的探讨临床药师参与临床抗感染治疗实践中发挥的具体作用。方法收集2011年1月—2013年4月临床药师参与临床感染性疾病会诊病例表242份,结合其临床病历进行回顾性调查分析。结果 242份临床病例会诊记录中,会诊科室以外科最多,会诊165人... 详细信息

目的探讨临床药师参与临床抗感染治疗实践中发挥的具体作用。方法收集2011年1月—2013年4月临床药师参与临床感染性疾病会诊病例表242份,结合其临床病历进行回顾性调查分析。结果 242份临床病例会诊记录中,会诊科室以外科最多,会诊165人次,占比68.18%;感染部位以肺部感染、血流感染、颅内感染居多,分别占比30.99%、25.62%、15.70%;检出病原菌种类以鲍曼不动杆菌、铜绿假单胞菌、肺炎克雷伯菌和金黄色葡萄球菌居多,分别占比16.00%、12.61%、10.92%、10.92%;211例会诊意见被临床医师采纳或部分采纳,占比87.19%;一般病例会诊78例,占比32.2%、院内疑难重症病例会诊164例,占比67.76%、死亡病例讨论3例,占比1.24%。结论临床药师参与感染性疾病会诊,协助临床医师制定抗感染治疗方案,提高感染性疾病治疗的有效率。临床药师对抗菌药物及相关病原学知识的掌握非常重要,可以帮助临床医师合理使用抗菌药物,科学有效地控制感染。

关键词：药师感染性疾病会诊用药指导

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基于小波变换的数字水印嵌入技术研究

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淮阴工学院学报 2011年第3期20卷 8-11页

作者：武莎莎姚敏赵敏南京航空航天大学自动化学院南京210016

以静态数字图像为主要研究对象,提出一种采用载体和水印图像进行同步小波变换的水印嵌入算法。为了获得较好的嵌入效果,在同步分解的方法中采用重复嵌入方式。首先对载体和水印图像进行小波分解,然后将水印低频嵌入到载体图像第二层低频... 详细信息

以静态数字图像为主要研究对象,提出一种采用载体和水印图像进行同步小波变换的水印嵌入算法。为了获得较好的嵌入效果,在同步分解的方法中采用重复嵌入方式。首先对载体和水印图像进行小波分解,然后将水印低频嵌入到载体图像第二层低频,最后将水印中频和高频对应嵌入至载体图像的中频和高频。采用该算法嵌入时保持嵌入强度、噪声强度不变,与载体单一分解算法进行对比。实验结果表明:该算法对高斯噪声具有良好的隐藏性和鲁棒性。

关键词：数字水印小波变换同步重复嵌入

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沙漠化对土壤风蚀的影响--以青海共和盆地为例

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水土保持研究 2008年第6期15卷 10-13页

作者：封建民赵敏宁王涛咸阳师范学院资源环境与城市科学系陕西咸阳712000 中国科学院寒区旱区环境与工程研究所兰州730000

沙漠化程度对土壤风蚀强度具有重要的影响,一个区域的沙漠化程度在一定意义上可以预示该地区的土壤风蚀程度,探讨二者之间变化关系具有重要意义。以青海共和盆地为例,对该地土壤风蚀随土地沙漠化程度的变化进行探讨,得出共和盆地强烈发... 详细信息

沙漠化程度对土壤风蚀强度具有重要的影响,一个区域的沙漠化程度在一定意义上可以预示该地区的土壤风蚀程度,探讨二者之间变化关系具有重要意义。以青海共和盆地为例,对该地土壤风蚀随土地沙漠化程度的变化进行探讨,得出共和盆地强烈发展中沙漠化土地年增长率为2.7%,严重沙漠化土地增长率为1.2%。当严重沙漠化土地每增加1 km2,土壤风蚀就要随之增加0.43 t。盆地的土壤风蚀导致龙羊峡水库每年有20.82万t的沙尘落入库区,使3000万m3的流沙进入库区,造成5000多万元的经济损失。在此基础上,利用该地区自然、人文因子的变化资料,结合其沙漠化程度的变化资料分析了土壤风蚀加剧的原因,从而提出了防治对策与意见。

关键词：土壤风蚀沙漠化共和盆地

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Universal method for designing periodic orbits by homotopy classes in the elliptic restricted three-body problem

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Astrodynamics 2024年第1期8卷 175-188页

作者： Yue Zheng min zhao School of Electronic Engineering Xi’an Aeronautical InstituteXi’an710077China School of Aircraft Engineering Xi’an Aeronautical InstituteXi’an710077China School of Astronautics Northwestern Polytechnical UniversityXi’an710072China

The current methods for designing periodic orbits in the elliptic restricted three-body problem(ERTBP)have the disadvantages of targeting limited orbits and ergodic searches and considering only symmetric orbits.A universal method for designing periodic orbits is proposed in this ***,the homotopy classes of orbits are structured based on their topological ***,a dynamic model based on homotopy classes,ranging from the circular restricted three-body problem(CRTBP)to the ERTBP,can be built using the homotopy ***,a multi-and a single-period orbit were selected based on the resonance ***,the corresponding orbit in the ERTBP was computed by modifying the initial condition of the orbit in the *** method,without an ergodic search,can extend to any orbit,including an asymmetric orbit in the CRTBP,to the ERTBP model,and the two orbits are of the same homotopy *** of the Earth–Moon ERTBP are presented to verify the efficiency of this method.

关键词： periodic orbit elliptic restricted three-body problem(ERTBP) topology homotopy circular restricted three-body problem(CRTBP)

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