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Study on ground temperature change and characteristic response of engineering geology of permafrost along Qinghai-Tibet Railway

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Science china(Technological Sciences) 2003年第z1期46卷 78-90页

作者： PAN Weidong, WANG Quancai, YU Shaoshui & ZHANG Xiaoyan Department of Mechanics, School of Physical Science and Technology, Lanzhou University, Lanzhou 73.000, china institute of Mountain Hazards and Environment, chinese {3. of Sciences and Ministry of Water Resources, Chengdu 610041, china State Key Laboratory of Frozen Soil Engineering, Cold and Arid Regions Environment and Engineering Research institute, chinese {3. of Sciences, Lanzhou 73.000, china Sichuan Provincial Communications Department, Chengdu 610041, china Lanzhou Univ Dept Mech Sch Phys Sci & Technol Lanzhou 730000 Peoples R China chinese Acad Sci Inst Mt Hazards & Environm Chengdu 610041 Peoples R China Minist Water Resources Chengdu 610041 Peoples R China chinese Acad Sci State Key Lab Frozen Soil Engn Cold & Arid Reg Environm & Engn Res Inst Lanzhou 730000 Peoples R China Sichuan Prov Commun Dept Chengdu 610041 Peoples R China

Along with the global warming in the recent scores of years, comparatively big changes have taken place in the weather and other environmental conditions of the permafrost area in the Qinghai-Tibet Plateau, and very big changes have also occurred in the engineering geological conditions of the permafrost area. Based on a large volume of field survey data, this paper discusses the regularities of horizontal and vertical distribution of permafrost, with its focus of analysis on the temperature change characteristics of the soil in different frozen-soil zones, as well as presents simulation analysis and research for the engineering geologic characteristic response changes that would occur in the future when the temperature of the frozen soil in different zones rises by 1 and 2.6℃ respectively, which will have a tremendous impact on the stability of constructional work.

关键词： Qinghai-Tibet Railway, permafrost, ground temperature, engineering geological characteristic.

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Boundary Nevanlinna-pick Interpolation for Meromorphic Functions

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Acta Mathematicae Applicatae Sinica 2002年第2期18卷 255-262页

作者： Gong-ning Chen, Li-xin JiaDepartment of Mathematics, beijing Normal University, beijing 100875, china Electronic and Technology {3., Zhengzhou 450004, china Department of Mathematics Beijing Normal University Beijing China Electronic and Technology institute Zhengzhou China

Versions of the multiple Nevanlinna-Pick interpolation problem in the class N involving both interior and boundary data are investigated. This leads to solvability criteria for the indicated problems and description o... 详细信息

关键词： Nevanlinna-pick interpolation generalized Pick matrix Hankel vector power moment problem minimally positive Hankel matrix

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40Ar/3.Ar Age and Geological Significance of Lamprophyres in Pishan on the SW Margin of the Tarim Terrane,NW china

40Ar/39Ar Age and Geological Significance of Lamprophyres in...

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中国科学院地质与地球物理研究所2003.术年会

作者： HE Huaiyu,GUO Zhengfu,WANG Songshan,HAO Jie,LIU Qiang institute of geology and geophysics,{3. academy of Sciences,P.O.Box 9825, beijing 100029,china and Ariel BOVEN Laboratory of Geochronology,Vrije Universiteit Brussel,Pleinlaan 2, 1050 Brussels,Belgium

The dike swarm of lamprophyres at Pishan on the SW margin of the Tarim terrane is composed of ultra-potassic lamprophyres mat have intruded into the Proterozoic hornblende ***/Ar dating data suggest that the isochron ages for phlogopite and whole rock separates of the lamprophyres are 23..7±0.3.Ma and 228.5±0.3.Ma, *** data indicate that the dikes were derived from a subduction-related or metasomatized mantle. During the Middle-Late Triassic the western Kunlun area entered the post-orogeny period,and thus the occurrence of the dike swarm in the study area may have been controlled by underplating.

关键词： Tarim western Kunlun Triassic lamprophyre Ar-Ar age

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An improved model calculating CO2 solubility in pure water and aqueous NaCl solutions from 273.to 53. K and from 0 to 2000 bar

An improved model calculating CO2 solubility in pure water a...

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中国科学院地质与地球物理研究所2003.术年会

作者： Zhenhao Duan~(a,b,*),Rui Sun~c a chinese academy of Sciences,institute of {3. and geophysics,beijing 100029,china b Department of Chemistry,03.0,University of California-San Diego,La Jolla,CA 92129,USA c Faculty of Earth Resources.china University of Geosciences,Wuhan 43.074,china

A thermodynamic model for the solubility of carbon dioxide(CO)in pure water and in aqueous NaCl solutions for temperatures from 273.to 53. K,for pressures from 0 to 2000 bar,and for ionic strength from 0 to 4.3.m is *** model is based on a specific particle interaction theory for the liquid phase and a highly accurate equation of state for the vapor *** this specific interaction approach,this model is able to predict CO solubility in other systems,such as CO-HO-CaCl and CO-seawater,without fitting experimental data from these *** of the model predictions with experimental data indicates that the model is within or close to experimental uncertainty,which is about 7%in CO solubility.

关键词： CO2 solubility CO2 thermodynamics Specific interaction modeling Aqueous CO2 solution Solubility model Equation of state

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A Study on Policy Demands and Designing Principles of Strategy of Dominant Function Zoning

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china City Planning Review 2008年第3期17卷 18-23页

作者： SI Jinsong,institute of Geographical Sciences and Natural Resources Research,chinese academy of Sciences,{3.,P.R.china.

In china’s Outline of the 11th Five-year Plan for National Economic and Social Development , Dominant Function Zoning was put forward as a

关键词： formulated balanced match rational concerned local

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Current Status and Prospects of Biomass Energy Industry in china

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chinese Forestry Science and Technology 2009年第1期8卷 47-52页

作者： LIU Ning Research institute of Forestry Policy and Information,chinese academy of Forestry,{3. 100091,P.R.china

At present biomass energy industry is in its infancy in china and it has a bright future. Biomass energy production used grain as raw materials has entered industrialization *** key technologies of biomass energy industry are coming to *** has issued relevant industrial standards laws and regulations,and has provided support in finance,loan,tax,*** china's biomass energy industry is faced with many problems which need to be *** example,taking grain as raw materials is unsustain...

关键词： biomass energy industry status evaluation major problems prospects

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平原与山区土地利用/覆被变化对比——以双流县和米易县为例

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山地学报 2009年第5期27卷 585-592页

作者：杨钟贤苏春江中国科学院水利部成都山地灾害与环境研究所中国科学院研究生院漳州市环境科学研究所

利用1986、1995和2000年3.同期陆地卫星的TM影像作为主要数据源,经过人工解译生成土地分类数据,对研究区域的土地利用格局特征、单一土地利用的动态变化、景观格局变化进行对比分析。结果表明:(1)山区的土地利用类型明显多于平原。山区... 详细信息

利用1986、1995和2000年3.同期陆地卫星的TM影像作为主要数据源,经过人工解译生成土地分类数据,对研究区域的土地利用格局特征、单一土地利用的动态变化、景观格局变化进行对比分析。结果表明:(1)山区的土地利用类型明显多于平原。山区主要以林地和草地等自然景观为主,而地区则以耕地和建设用地为主,表现出很明显的人类活动特征。(2)两个地区的土地利用/覆被变化在空间与单一地类上都存在着一定的差异,但引起土地利用变化的主要驱动力都是人为因素。(3.两个地区的景观多样性指数相近,山区的景观优势度指数高于平原,平原的景观破碎度指数高于山区。据此,提出区域土地可持续利用政策的建议:适度保护农地资源尤其是耕地资源,合理协调农业用地与非农业用地之间的相互关系;要根据区域的自然环境与经济发展等实际特点对土地利用进行科学合理的发展规划,在土地利用的某些政策上要对山区与平原之间实施差别对待。

关键词：平原地区山区土地利用/覆被对比研究

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The distribution characteristics of short period geomagnetic variations in Shaanxi region

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Acta Seismologica Sinica(English Edition) 1998年第6期11卷 64-72页

作者： GUO HUA FAN TONG QI YAO KE LI HAN KE JIA ZHU ZUO WEN GU institute of geophysics, china Seismological Bureau, {3. 100081, china 1. institute of geophysics China Seismological Bureau 100081 Beijing China

In order to investigate the characteristics of short period geomagnetic variations in Shaanxi region, a temporary measurement profile from Shiquan in the southern part of Shaanxi to Ningxian in Gansu was set up in September of 1996 to carry out simultaneous observation of three component geomagnetic variations along the profile. The vertical transfer functions, the horizontal transfer functions and the spectral component′s relationship of each period segment at each site in the period range from 3.min to 2 h were statistically calculated. Random data theory was applied to the data processing for reference, which led to a relatively good result. Analysis of the data point out that short period geomagnetic variations are affected by the regional influence of underground anomalous inductive current concentration between Wugong and Qianling in the nearly E W direction and by the influence of local inductive current in nearby area of measurement site. The main distribution feature is that vertical transfer functions reverse between Wugong and Qianling and frequency responses of the transfer functions have maximum at period about 20 min.

关键词： geomagnetic vertical transfer function geomagnetic horizontal transfer function anomalous inductive current concentration

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A quantified study method and its application to sustainable management of water resources in arid basins

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Science china Earth Sciences 2007年第S1期 9-15页

作者： ZUO QiTing1,2, ZHOU KeFa1, XIA Jun3. CHEN Xi1 & WANG YongQin4 1 Xinjiang institute of Ecology and Geography, chinese academy of Sciences, ürümqi 83.011,{3. 2 College of Environment and Water Conservancy, Zhengzhou University, Zhengzhou 450002,{3. 3.institute of Geographical Science and Natural Resources, chinese academy of Sciences, beijing 100101,{3. 4 Xinjiang Tarim River Basin Management Bureau, Korla 841000,{3.

According to the features of the basins in arid areas, in this paper a quantified study framework of sustainable management of water resources is developed, and the contents include mainly the quanti-fication rules, index system, basic models and quantification method. A quantified study method (M-D method) about sustainable management of water resources is put forward based on the simulation and integrative development degree. In the method, the fuzzy subordinatness description and the multi-rule integration are used to calculate the integrative development degree so as to quantitatively describe the sustainable development degree of economic society; the mathematical simulation is used to quantitatively describe the interactions between water resources, economic society and ecosystems so as to lay a foundation for quantitatively giving expression to the development situation of economic society related to the management of water resources; based on the organic combination of these two, quantification rules and other constraint conditions, a quantified model of water resources manage-ment is developed. The M-D method is applied to developing a scientific scheme of water resources management in the Bosten Lake Basin, Xinjiang, china.

关键词： sustainable management of water resources arid area drainage basin quantified study method integrative development degree (DD)

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Renovated water reuse for rapid infiltration system

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Journal of Environmental Sciences 1993年第1期5卷 63-67页

作者： Li Ruqi, Duan Zhenbo Gao Erjingbeijing Municipal Research institute of Environmental Protection, beijing 10003.,{3.Wu Xueqingbeijing Agronomy institute, beijing 102208,{3.

The renovated water in the rapid infiltration system (RI) as area for fish and duck farming is feasible. The flesh of fish and duck is edible. The farming of fish for 5 months and duck for 120 - 13. days can be accepted. It is beneficial to environment and economy, especially in developing countries. The production of fish and duck can make up for the cost of wastewater treatment.

关键词： wastewater treatment rapid infiltration water reuse.

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