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K, the parent element of 40Arr, has different abundance in coal and argillite, which can be used in analyzing the difference between 40Ar/36Ar values of natural gases produced from coal and argillite, and identifying the main gas source in coal source rocks. In this paper, the forming mechanism of 40Arr and its process of entering into gas pool are discussed, on the basis of which a method for identification of main gas source is developed.

本文系统地讨论了 40Ar的形成机理及其运移进入气藏的过程，利用 40Ar的母体元素 K在煤和煤系泥岩中的丰度差异，分析了以煤和煤系泥岩为母源的天然气 40Ar/36Ar同位素组成上的不同，并利用这种差异对煤系中煤岩或煤系泥岩为源岩的天然气藏的主力源岩进行了判识，继而建立了利用氩同位素组成判识煤系烃源岩主力源岩的方法。

A heat source overheat protector in medical instrument consists of one radiator which is connected with medical instrumental light source mounting rack, said medical instrument set with light source control main circuit, bimetallic strip temperature control unit set nearing the light source mounting rack and series connected in said main circuit through wire.

一种医用仪器中热源过热保护装置，由一个散热器构成，散热器与医用仪器的光源安装架连接，医用仪器中设置有控制光源的主电路，散热器靠近光源安装架的位置设置有一个双金属片温控器，双金属片温控器通过导线串联在所述的主电路中。

This paper tries to have some innovations in the following aspects:(1) the main cause of our tax revenue depending mainly on turnover tax is short of innovation in system;(2) its innovation in system to impel the rising of income tax in developed counties, which is a good example for us to learn from in the optimization of our tax structure ;(3) the main function of turnover and income tax should be separated according to their characters;(4) the reforms in turnover and income tax should be taken simultaneously, congenially and complementally, although the former will be more progressive while the later more abrupt;(5) the essential function of tax is to raise revenue, but its fair-promoting effect is much more obvious in disbursing than in collecting.

本文力求在以下几个方面有所创新：(1)认为我国税种收入过度依赖流转税的主要原因是制度创新力度不够；(2)认为制度创新是推动发达国家所得税从弱到强的主要原因，提出我国税种结构优化需要在制度上大胆创新；(3)提出根据各个税种的特性，流转税和所得税的主要功能应有所分工；(4)流转税和所得税的改革应双管齐下，以渐进的方式改革流转税，以突变的方式改革所得税，分工协作，优势互补；(5)提出税收的主要功能是筹集收入，税收在征收环节在促进结果公平方面效果甚微，税收在支出环节更能有效促进结果公平。

This paper tries to have some innovations in the following aspects:(1) the main cause of our tax revenue depending mainly on turnover tax is short of innovation in system;(2) it's innovation in system to impel the rising of income tax in developed counties, which is a good example for us to learn from in the optimization of our tax structure ;(3) the main function of turnover and income tax should be separated according to their characters;(4) the reforms in turnover and income tax should be taken simultaneously, congenially and complementally, although the former will be more progressive while the later more abrupt;(5) the essential function of tax is to raise revenue, but its fair-promoting effect is much more obvious in disbursing than in collecting.

本文力求在以下几个方面有所创新：(1)认为我国税种收入过度依赖流转税的主要原因是制度创新力度不够；(2)认为制度创新是推动发达国家所得税从弱到强的主要原因，提出我国税种结构优化需要在制度上大胆创新；(3)提出根据各个税种的特性，流转税和所得税的主要功能应有所分工；(4)流转税和所得税的改革应双管齐下，以渐进的方式改革流转税，以突变的方式改革所得税，分工协作，优势互补；(5)提出税收的主要功能是筹集收入，税收在征收环节在促进结果公平方面效果甚微，税收在支出环节更能有效促进结果公平。

With its unique location as the main artery for traffic and trade in southwest China from time immemorial, the south " Silk Road " and the transfer station of " Ancient Tea Horse Route " from Tibet to, Lijiang plays an important role in transmitting flows of trades from central China to southeast Asia and communications between Chinese culture and foreign culture and keeps numerous historical cultural heritages here: Lijiang Ancient City with a reputation of " Plateau Gusu " and " Eastern Venice " firstly estabilished in Nansong Dynasty, protected completely and operated energetically now with national characteristics and local characteristics; Mu ' s Residence called the " Concretionary Ancient Naxi Music ", which was Mu ' s hereditary local office in Lijiang and rebuilt as the ancient town museum in 1998; and numerous ancient temples including Wenfeng Temple, Fuguo Temple, Puji Temple and Yufeng Temple etc. combined with central Chinese culture and local national culture and influenced by Tibetan cultural characteristics; the Baisha Mural with magic Dongba culture taking Naxi ancient religion as carrier and Dongba Classics as the main record manner and reflecting the unique national cultural history of Naxi minority with the only living Dongba hieroglyph in the world and the integration of Taoism, Han Buddhism, Tibetan Buddhism and Dongba culture, which becomes the state-level key protected cultural site; and those national culture and national traditional art with abundant cultural content, including Baisha residential buildings and Shuhe residential buildings with long history and unique characteristics and Moso folklore still with matriclan characteristics at Lugu Lake bank, which compiles a colorful article for civilizations.

由于区位独特，丽江自古以来就是我国西南交通贸易大动脉南方"丝绸之路"和由西藏入境的"茶马古道"的中转站，为中原至东南亚南来北往的贸易和沟通中原文化和外来文化影响的传送发挥了重要的作用，同时也在这里留下了众多的历史文化遗存：有始建于南宋，到现今也保护完好，运转鲜活，富有民族特点和地方特色，有"高原姑苏"、"东方威尼斯"美誉的丽江古城；有原为丽江世袭土司木氏衙署、1998年重建后改为古城博物院，被称为"凝固的纳西古乐"的木府，以及可见中原文化与地方民族文化结合，并受到藏族文化特征影响的文峰寺、福国寺、普济寺、玉峰寺等众多的古建寺观；神奇的东巴文化以纳西族古老的宗教为载体，以东巴经书为主要记录方式，反映了纳西族独特的民族文化历史，世界上唯一"活着的"东巴象形文字，融道教、汉佛教、藏传佛教以及东巴文化为一体，成为研究明代艺术奇珍的国家级重点保护文物白沙壁画；历史悠久、独具特色的白沙民居建筑群、束河民居建筑群，以及泸沽湖畔仍具有母系氏族特征的摩梭风情等具有丰富文化内涵的民族文化和民族传统艺术，为人类文明史留下了灿烂的篇章。

In the single crystal of C60 with a FCC structure,positron mainly appears outside the C60 molecule.The main annihilation space is the interspace between molecules.The calculated positron bulk lifetime in C60 is 352ps, which agrees with experiment value of 356ps in literature.In carbon nanotube bundles with different dimeters,as the diameter of carbon nanotubes increases,the main space where positron appears changes from the interspace of carbon tubes to the space inside carbon tubes,the radio between positron annihilation with valence eletrons and core eletrons becomes larger,the positron bulk lifetime in carbon nanotube increase rapidly first and come to be a constant at the end.The calculated positron lifetime of carbon nanotube with a dimeter of 0.8～1.6ns is 332～470ps,which agrees with the experiment value of 394ps.Positron annihilation has been studied in widly used compound semiconductors.

计算结果表明：在片层结构的石墨晶体中，正电子主要在石墨层间的空隙中湮没，计算出的石墨中的正电子寿命为208 pS，与文献中的实验结果215 ps符合很好；在金刚石单晶中，正电子主要在碳原子之间的空隙中存在并发生湮没，计算出的金刚石中的正电子寿命为115 ps，文献中的实验结果110 ps左右符合；在面心立方结构的C60晶体中，正电子主要在C60分子球壳内外侧及分子之间存在，C60球形分子中心正电子分布很少，正电子的湮没区域集中在C60分子之间的空隙区域，计算出的C60中的正电子寿命为352 ps与文献中的实验结果356ps相符合；对于不同管径碳米管束中的正电子分布，随着碳纳米管直径的增加，碳纳米管束中的正电子由主要在碳纳米管管间的区域出现转变为主要在碳纳米管管内中心的区域出现：碳纳米管束中的正电子与碳原子的价电子的湮没概率变得越来越大，与核心电子的湮没概率变得越来越小；碳纳米管束中正电子的湮没寿命先迅速增大，而后趋于一定值。

The main contents of this report include:(1) I nvestigation and analysis of the current status and characteristics of economic development, electric power consume and electric load in North China, Northeast China, Northwest China, East China, and Central China from 2000 to 2004;(2) Indexes and contrast analysis of major power networks load characteristic in China;(3) Analysis of Major effect factors for load characteristics, including development level and structure of economic, structure of electric power consumption, geographical and climatic environment, DSM, electrovalence, load shedding and so on;(4) Change trend analysis of major power networks load characteristic in China;(5) Target forecast of major power networks load characteristic in China in the tenth five-year plan;(6) Main conclusions and suggestions.

主要内容包括：(1) 2000 ～ 2004 年华北、东北、西北、华东、华中五大电网经营区域经济发展现状及特点、用电现状及特点、电力负荷特性现状调研分析；(2)我国主要电网负荷特性指标对比分析；(3)影响我国负荷特性的主要因素分析，包括经济发展水平及经济结构、用电结构、地理环境及气候因素、需求侧管理、电价拉闸限电等对电网负荷特性的影响分析；(4)我国主要电网负荷特性变化趋势分析；(5)"十一五"期间我国主要电网负荷特性指标预测；(6)主要结论及建议。

Based on the water environment spatial data mining and visualization method, the paper presents these main characteristics and innovations:①Measurement of contamination fluxes:A scene-based research strategy is proposed:measurement /water quality analysis→flow field simulation→contamination transformation rule→fluxes scene simulation→temporal-spatial rule analysis.②Serial numerical models of water environment in the Qiantang River:The controlled equations of the flow field model of the main river,united controlled equations of the main contamination fluxes and water quality prediction model at emergent time are set up.③GIS-based water quality and contamination fluxes decision-making assistance system:A water environment database has been set up;based on MapX and C#.net platform,a system has been developed to facilitate visual inquiry,decision-making and graphics export.

本文基于水环境空间数据挖掘与可视化的研究方法与体系，研究中的主要特色与创新点为：①河流污染物通量测算的技术与方法：提出了基于工况测量/水质分析→流场模拟→污染规律解析→通量情景模拟→时空规律分析的研究方案；②钱塘江水环境模拟系列数学模型：建立了钱塘江干流研究区域流场数学模型的控制方程、主要污染物通量模型的联合控制方程、突发污染事故水质预报模型的基本方程；③基于GIS的水质预报与污染物通量决策支持系统的研发：建立水环境时空数据库，基于MapX和C#。net平台进行系统的构建与开发，为研究的系列成果提供可视化的查询、决策与图形输出。

The results indicate the mutual effect exists between the single coals, which could increase the maximum of thermal weight loss obviously and has a small effect on the temperature extent of the weight loss. The main pyrolysis production of coal is coke, but the main production of waste plastics is tar; the yield of water became decrease and the gas became increase by adding the waste plastics. And the CRI and CSR decreased with the ratio of waste plastics in coal. The main ingredients of tar from blend coal are aromatic hydrocarbon and alkane, while those of waste plastics are alkane and alkene. The result of co-coking with coal and waste plastics make the light tar and the aromatic hydrocarbon increase obviously. The combustible ingredient(CO、H2、CH4) of gas from co-coking with coal increase at different ratio; Co-coking with coal and waste plastics could increase the combustible ingredient and thermal value of gas.

结果表明，废塑料与煤混合物在煤的塑性温度区间内存在明显的相互作用，使最大热解失重峰迁移，热解速率变大，且随着废塑料配比的增加呈现规律性的变化；煤热解产物固体焦炭为主，而废塑料的热解产物以焦油为主，废塑料的添加使得总体焦炭和水产率下降，焦炉煤气和焦油的产率增加，即共焦化呈现出明显的&增油减水&效应；随着塑料添加量的增加，焦炭热强度呈现劣化趋势；废塑料代替瘦煤配煤炼焦可使其比例提高到3%而不影响焦炭的质量；纯煤焦化所得焦油以芳香烃类和烷烃类为主，而废塑料热解焦油以烷烃和烯烃为主；废塑料配煤炼焦，可使得的焦油呈现&环构化&和&轻质化&趋势；废塑料的添加可使煤气中的可燃组分(CO、H2、CH4)的含量均有不同程度的增加；废塑料配煤炼焦可以优化焦炉煤气的组成，增加煤气中的可燃组分，提高焦炉煤气的热值。

The main bridge used cantilever casting Traveler advanced construction technology, the two main tower of the outer edge of the cross before closure, and finally between the two main towers in an inter-Hop Liuzhou.

主桥采用悬臂浇筑施工技术先进的旅行者，两个主塔边的外缘的跨前关闭，最后的两个主要塔跨合柳州。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。