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Rapid mass loss and disappearance of summer-accumulation type hanging glacier

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Advances in Climate Change Research 2022年第1期13卷 73-81页

作者： Chun-Hai XU zhong-qin li Fei-Teng WANG Pu-Yu WANG Jian-Xin MU State Key Laboratory of Cryospheric Science Northwest Institute of Eco-Environment and ResourcesChinese Academy of Sciences.Lanzhou730000China National Cryosphere Desert Data Center Northwest Institute of Eco-Environment and ResourcesChinese Academy of SciencesLanzhou 730000China

Hanging glaciers hold the absolute dominant number in West China and their changes had important influences on local hydrology,sea-level rise and natural hazards(snow/ice avalanches).However,logistic and operational difficulties have resulted in the lack of in-situ-measured data,leaving us with poor knowledge of the changing behaviors of this type of ***,we presented the spatiotemporal pattern of seasonal and annual mass changes of a mid-latitude hanging glacier in the Tien Shan based on repeated terrestrial laser scanning(TLS)surveys during the period *** distributed glacier surface elevation changes exhibited highly spatiotemporal variability,and the winter elevation changes showed slight surface lowering at the upper elevations and weak thickening at the glacier terminus,which was contrary to altitudinal elevation changing patterns at the summer and annual *** balance processes of the hanging glacier mainly occurred during summer and the winter mass balance was nearly balanced(-0.10±0.15 m w.e.).The glacier exhibited more rapid mass loss than adjacent other morphological glacier and the estimated response time of the glacier to climate change was very short(6-9 years),indicating hanging glaciers will experience rapid wastage and disappearance in the future even with climate change mitigation.

关键词： Hanging glaciers Mass balance processes Glacier disappearance Tien Shan Climate change

Novel functional proteins interact with midkine in hepatic cancer cells

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Hepatobiliary & Pancreatic Diseases International 2012年第3期11卷 272-277页

作者： Qiang Yan, Hui-lian Huang, Xing Yao, Jing li, li-qin li, Jing zhong, li-Shan Min, li-Cheng Dai and Shu-Sen Zheng Department of Hepatobiliary and Pancreatic Surgery, Huzhou Central Hospital (Yan Q and Yao X) Huzhou Key Laboratory of Molecular Medicine, Affiliated Central Hospital of Huzhou Teachers College (Huang HL, li J, li LQ, zhong J, Min LS and Dai LC), Huzhou 313000, China Division of Hepatobiliary and Pancreatic Surgery, First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China (Yan Q and Zheng SS) [a] Department of Hepatobiliary and Pancreatic Surgery Huzhou Central Hospital Huzhou 313000 China [b] Huzhou Key Laboratory of Molecular Medicine Affiliated Central Hospital of Huzhou Teachers College Huzhou 313000 China [c] Division of Hepatobiliary and Pancreatic Surgery First Affiliated Hospital Zhejiang University School of Medicine Hangzhou 310003 China

BACKGROUND: Midkine is a heparin-binding growth factor that promotes the proliferation, survival, migration and differentiation of various target cells. Midkine plays an important role in tumorigenesis and tumor progression, and is overexpressed in many human malignant tumors. Patients with high tumor midkine expression frequently have a worse prognosis than those with low expression. The present study was designed to investigate the interaction network of midkine in hepatic cancer cells, and to elucidate its role in hepatocellular carcinoma. METHODS: DNA encoding full-length midkine was cloned into pDBLeu vector to serve as bait in yeast two-hybrid screening to identify interacting proteins. Candidate proteins were examined on SC-Leu-Trp-His+3-AT (20 mmol/L) plates and assayed for X-gal activity, then sequenced and classified according to the GenBank. Finally, identified proteins were expressed by the in vitro expression system pCMVTnT, and protein interactions were confirmed by co-immunoprecipitation. RESULTS: Using the yeast two-hybrid system, we found 6 proteins that interacted with midkine: NK-kappa-B inhibitor alpha (I-κ-B-α), Dvl-binding protein naked cuticle 2, granulin, latent active TGF-β binding protein 3, latent active TGF-β binding protein 4, and phospholipid scramblase 1. In vitro co-immunoprecipitation demonstrated that all identified proteins directly interacted with ***: The identification of midkine-interacting proteins in hepatic cancer cells indicates that midkine is a multifunctional factor that may participate in cell migration, differentiation, and proliferation, and is also associated with the multicellular response feedback during the development of hepatocellular carcinoma.

关键词： midkine yeast two-hybrid interaction hepatic cancer cell

贵州省植烟区土壤pH值和养分空间变异特征的研究

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土壤通报 2007年第6期38卷 1046-1051页

作者：秦钟立秦松刘洪斌西南大学资源环境学院重庆400716 贵州省农科院土肥所贵州贵阳550006

应用地统计学的方法结合GIS空间分析技术,对贵州省植烟区土壤pH值和速效养分区域采集了3309个耕层(0～20cm)土壤样本进行了数据处理,并对其pH值、有机质、速效氮、速效磷和速效钾含量的空间分异特征进行了研究和探讨。结果表明,贵州省... 详细信息

应用地统计学的方法结合GIS空间分析技术,对贵州省植烟区土壤pH值和速效养分区域采集了3309个耕层(0～20cm)土壤样本进行了数据处理,并对其pH值、有机质、速效氮、速效磷和速效钾含量的空间分异特征进行了研究和探讨。结果表明,贵州省土壤养分pH值、有机质、速效氮、速效磷和速效钾半方差函数曲线的理论模型中,pH值和速效磷为球形(Spherical),有机质、速效氮和速效钾为高斯(Gaussion)。pH值、速效氮和速效磷具有强烈的空间相关性,块金值/基台值小于25%,其变化主要受结构性因子的影响;有机质空间相关性也较强,速效钾具有中等的空间相关性,块金值/基台值在25%～75%之间,其变化主要受随机性因子的影响。利用地统计学分析的方法,对贵州省烟叶种植具有重要的意义。

关键词：土壤养分空间变异性地统计学 GIS

Multi boron-doping effects in hard carbon toward enhanced sodium ion storage

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Journal of Energy Chemistry 2025年第1期100卷 730-738页

作者： Peng Zheng Wang Zhou Ying Mo Biao Zheng Miaomiao Han qin zhong Wenwen Yang Peng Gao Lezhi Yang Jilei liu College of Materials Science and Engineering Hunan Joint International Laboratory of Advanced Materials and Technology for Clean Energy Hunan Province Key Laboratory for Advanced Carbon Materials and Applied Technology Hunan University Greater Bay Area Institute for Innovation Hunan University Changsha Research Institute of Mining & Metallurgy Co. LTD.

Hard carbon （HC） has been considered as promising anode material for sodium-ion batteries （SIBs）.The optimization of hard carbon’s microstructure and solid electrolyte interface （SEI） property are demonstrated effective in enhancing the Na+storage capability,however,a one-step regulation strategy to achieve simultaneous multi-scale structures optimization is highly ***,we have systematically investigated the effects of boron doping on hard carbon’s microstructure and interface chemistry.A variety of structure characterizations show that appropriate amount of boron doping can increase the size of closed pores via rearrangement of carbon layers with improved graphitization degree,which provides more Na+storage ***-situ Fourier transform infrared spectroscopy/electrochemical impedance spectroscopy （FTIR/EIS） and X-ray photoelectron spectroscopy （XPS） analysis demonstrate the presence of more BC3and less B–C–O structures that result in enhanced ion diffusion kinetics and the formation of inorganic rich and robust SEI,which leads to facilitated charge transfer and excellent rate *** a result,the hard carbon anode with optimized boron doping content exhibits enhanced rate and cycling *** general,this work unravels the critical role of boron doping in optimizing the pore structure,interface chemistry and diffusion kinetics of hard carbon,which enables rational design of sodium-ion battery anode with enhanced Na+storage performance.

关键词： X ray photoelectron spectroscopy

鲍曼不动杆菌的耐药监测及rapd基因分型意义研究

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中国病原生物学杂志 2017年第6期12卷 583-585,589页

作者：李成忠陆小琴李忠琴杨闯雅安职业技术学院四川雅安625000 雅安职业技术学院附属医院

目的分析鲍曼不动杆菌的耐药监测以及rapd基因分型的意义,为合理用药及防控鲍曼不动杆菌院内感染提供参考依据。方法选择2014年5月-2016年4月间本院分离自住院患者不同标本的鲍曼不动杆菌620株(均为不重复菌株),采用全自动微生物分析仪(... 详细信息

目的分析鲍曼不动杆菌的耐药监测以及rapd基因分型的意义,为合理用药及防控鲍曼不动杆菌院内感染提供参考依据。方法选择2014年5月-2016年4月间本院分离自住院患者不同标本的鲍曼不动杆菌620株(均为不重复菌株),采用全自动微生物分析仪(WalkAway-96SI)与纸片扩散法进行菌种鉴定及药敏试验,应用rapd技术对其中58株多重耐药鲍曼不动杆菌进行基因分型。结果 620株鲍曼不动杆菌耐药情况较重,其中对头孢哌酮/舒巴坦、左氧氟沙星耐药率分别为20.16%(125/620)和45.81%(284/620),对多粘菌素B均敏感;对其余13种抗菌药物耐药率均>56%。在620株菌株中多重耐药检出率为76.45%(474/620)。ICU与非ICU患者感染鲍曼不动杆菌对13种抗菌药物的耐药率(22.22%87.44和16.50%57.28%)比较差异统计学有意义(P<0.01);rapd技术分出8种类型基因:A-H,其中A型22株,B型12株,C型6株,D型8株,E型4株,F型3株,G型2株,H型1株。结论鲍曼不动杆菌的耐药情况较严重,呈逐年上升趋势,且存在多重耐药。rapd基因分型有助于细菌的同源性分析,可为防控院内感染提供依据。

关键词：鲍曼不动杆菌 rapd技术基因分型多重耐药

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交叉路网交通灯的协调模糊控制方法

系统仿真学报 2001年第5期13卷 551-553页

作者：洪伟牟轩沁王勇秦中元张利浩西安交通大学西安710049

交通灯的控制是城市交通系统中一个重要的问题。本文探讨了一种新的交叉路口网交通灯的协调模糊控制方法。首先在交叉点和车道上设置流量检测器得到路口的交通数据；然后根据路网多个节点的交通动态特征，提出了一种模糊规则来控制交通... 详细信息

交通灯的控制是城市交通系统中一个重要的问题。本文探讨了一种新的交叉路口网交通灯的协调模糊控制方法。首先在交叉点和车道上设置流量检测器得到路口的交通数据；然后根据路网多个节点的交通动态特征，提出了一种模糊规则来控制交通信号灯的延长时间和相位变化，使得整个路网车辆的平均时延得到优化。这个方法与一种典型方法作了比较，并且给出了仿真实例，其结果相当令人满意。

关键词：交叉路网交通灯协调模糊控制城市交通系统计算机仿真

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淡水鱼生物活性肽及其生物活性研究进展

天然产物研究与开发 2017年第7期29卷 1256-1263页

作者：柯勤勤钟海霞李美良四川农业大学食品学院雅安625014

淡水鱼生物活性肽是以淡水鱼为原料,采用酶解等方法从淡水鱼蛋白质中得到的具有独特理化特性和生物学活性的小肽物质。目前,从淡水鱼中已分离出多种具有生物活性的肽段,但关于淡水鱼源肽的结构和活性之间关系的报道尚不多。本文综述了... 详细信息

淡水鱼生物活性肽是以淡水鱼为原料,采用酶解等方法从淡水鱼蛋白质中得到的具有独特理化特性和生物学活性的小肽物质。目前,从淡水鱼中已分离出多种具有生物活性的肽段,但关于淡水鱼源肽的结构和活性之间关系的报道尚不多。本文综述了淡水鱼生物活性肽的种类、制备与纯化和应用前景,并对未来进行了展望,以期为淡水鱼活性肽的进一步研究和开发利用提供参考。

关键词：淡水鱼生物活性肽制备纯化应用

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贵州植烟土壤微量元素特征研究

西南大学学报（自然科学版） 2007年第1期29卷 56-64页

作者：秦钟立秦松武伟刘洪斌西南大学资源环境学院贵阳市贵州省农科院土肥所贵阳550006 西南大学计算机与信息科学学院

对贵州省植烟土壤的微量元素和阳离子交换量进行了研究．结果表明:贵州省植烟土壤的微量元素中有效铁、锰、钼含量丰富;有效铜、锌含量处于中等水平;有效硼含量比较缺乏．因此,贵州省植烟在微肥施用和管理上应因地制宜,注重微量元素的... 详细信息

对贵州省植烟土壤的微量元素和阳离子交换量进行了研究．结果表明:贵州省植烟土壤的微量元素中有效铁、锰、钼含量丰富;有效铜、锌含量处于中等水平;有效硼含量比较缺乏．因此,贵州省植烟在微肥施用和管理上应因地制宜,注重微量元素的控制和补给．

关键词：烟草土壤微量元素

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激光表面改性有机高分子材料的研究进展

表面技术 2020年第5期49卷 103-111页

作者：项徽清秦中立张奇刘建国华中科技大学武汉光电国家研究中心激光与太赫兹技术功能实验室武汉430074

有机高分子材料具有质轻、易成型、成本低等优点,在汽车、电子等领域有广泛的应用,但有机高分子材料的原始表面多数呈现化学惰性、表面能低,导致其应用受限。激光表面改性技术具有柔性化程度高、区域选择性好、可三维加工等诸多优势。... 详细信息

有机高分子材料具有质轻、易成型、成本低等优点,在汽车、电子等领域有广泛的应用,但有机高分子材料的原始表面多数呈现化学惰性、表面能低,导致其应用受限。激光表面改性技术具有柔性化程度高、区域选择性好、可三维加工等诸多优势。简要综述了激光表面改性有机高分子材料的性能变化、机理和应用的国内外研究进展,表明通过激光改性可以在有机高分子材料表面形成诸如凸起、凹坑、沟槽、多孔和周期性结构等微观形貌,并使表面化学成分发生显著变化,进而影响其表面润湿性、表面能、吸附性、颜色和/或减阻等性能,这主要与有机高分子材料的自身特性、激光改性参数以及改性环境等因素密切相关,而且通过控制激光改性参数,还有可能实现对上述表面性能变化的精密调控。激光表面改性有机高分子材料在理论研究和实际应用中都具有巨大的价值,但目前对于激光表面改性有机高分子材料的理论研究落后于应用研究,还应进一步加强对改性技术和机理的探索与研究。

关键词：有机高分子材料激光表面改性表面性能改性机理