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Language. The result show that outburst coal structure can be divided according to features of geology, logging and physical mechanics; according to basic features and mechanism of gas outburst, with geology factors, mathematical geology model predicting gas content, emission and outburst can be established by quantification theory; the result of prediction for gas danger in Huainan Pansan mine by predicting model is relatively reliable, and the weaved map of gas geology can meet the need of production; the design of gas danger prediction software make prediction more convenient and fleeter.

结果表明，根据突出煤体的地质、测井和物理力学特征可以划分突出煤体结构；根据瓦斯突出的基本特征和机理，采用地质因素，利用数量化理论可以建立瓦斯含量、涌出量及突出预测的数学地质模型；利用预测模型对淮南潘三矿瓦斯危险性的预测结果较为可靠，编制的瓦斯地质图可以满足生产的要求；瓦斯危险性预测软件的开发使预测更为便捷和快速。

The paper studies fault diagnosis technology based on fruticose gas pipe network which is universal in small towns,and gives a particular description of domestic and foreign gas pipe network fault diagnosis technique based on hardware and software currently. The author uses graph theory to build up hydraulic analysis model of natural gas network and presents its solution methods. Besides, the author works out the relation between gas pipe pressure and flux in unsteady condition of fluid flow according to pressure boundary condition and differential equation group, and puts forward fault diagnosis methods and steps of the fruticose natural gas pipe network of middle pressure based on the simplification of this relation.

本文针对小城镇比较普遍的枝状天然气分配管网进行故障诊断技术研究，详细叙述了目前国内外基于硬件和软件的燃气管网故障诊断技术，利用图论理论建立了天然气管网水力分析模型并叙述了其求解方法，根据燃气管内流动的微分方程组和压力边界条件求解出非稳定流动时燃气管道压力和流量的关系，并在对此关系进行简化的基础上提出了基于中压枝状天然气管网的故障诊断方法和步骤。

According to the character of condensate gas and the injected dry gas inside the UGS based on condensate gas reservoirs, the paper puts forward a mathematical model of multicycle working inventory for constant volume and weak waterbearing condensate gas reservoir by the mixed fluid density calculation method with molar volume balance and the gas equation of state.

为此，针对凝析气藏型地下储气库库内凝析气与注入干气混气的特点，从库存量的定义入手，利用摩尔体积权衡混合流体密度计算方法和气体状态方程，提出了定容和弱边底水凝析气藏型地下储气库多周期运行系列盘库计算的数学模型。

Express as a result that the study area gets close to hydrocarbon generation center, have high-quality coal measures hydrocarbon source rock along with big hydrocarbon generation intensity, so it has abundant gas source and the material foundation to form large scale natural gas reservoir; Evaporitic tidal flat facies of the Ordovician Majiagou Formation in this area is situated in the austral expanded range of the karstification zone, and is the optimum natural gas prospecting targets of the lower-Paleozoic; In the south of study area, there are well-developed delta deposition system sand bodies of Shanxi Formation and Xiashijezi Formation, hence this area becoming the most beneficial Neopaleozoic natural gas enriched region; In this area, the Paleozoic develop various concealed non-structured traps, the natural gas migration and accumulation process is very beneficial and both the cover and the conservancy condition are also very good.

结果表明：研究区紧邻上古生界生烃中心，发育优质煤系烃源岩，生烃潜力大，气源充足，具备形成大型天然气藏的物质基础；区内奥陶系马家沟组发育有蒸发潮坪相沉积，位于北部古潜台的向南延伸带上，是下古生界天然气的有利勘探目标；南部山西组和下石盒子组发育三角洲沉积体系砂体，是有利的上古生界天然气富集区；研究区古生界发育各种隐蔽性非构造型圈闭，天然气运聚成藏过程非常有利，封盖和保存条件也很好。

Overmature gas in carbonate rock, biogenic gas, gas generated with coal evolution and gas evolved crude oil generation The geologic conditions for their occurences are analysed briefly, furthermore some problems related to the gas potential and its exploration are discussed in this paper.

本文初步划分了我国油田气，煤成气，碳酸盐岩过成熟气及浅层生物气四类主要气源，并简要分析了其赋存的地质条件，进而对天然气资源及勘探方向，进行了一些探讨。

In this paper ,the comparison and analysis of landfill gas migration simulation are presented in assumptions of with landfill gas control system and without landfill gas control system ,and the optimal pumpage of gas pumping well is calculated ,thus the ratio of landfill gas collection is given correspondingly.

利用本数值模型对无控制系统和有控制系统时释放气体运移进行了对比模拟分析，给出了有水平气体控制系统时的优化排气量并得出相应的释放气体收集率，可为填埋场释放气体控制系统的设计及环境影响预测和评价提供理论依据。

By the types of oil or gas reservoirs, three kinds of oil or gas accumulation models fit to Wuerxun depression. They are the model of oil or gas migrating and accumulating in sandstone lens or fracture traps of source rock, the model of oil or gas accumulating in fault-block or fault-screened traps through vertical migration, the model of oil or gas accumulating in structural-lithological traps migrating laterally in short instance through sandrock.

在此基础上，根据油气藏类型总结出乌尔逊凹陷南二段油气成藏模式有①源内砂岩透镜体或裂缝圈闭油气运聚成藏模式②油气沿断裂垂向运移于断块或断层遮挡圈闭成藏模式③油气沿砂体短距离侧向运移于构造—岩性圈闭油气藏模式。

There are two different opinions on origin of gases in Ordovician reservoir of the central gas field of Ordos basin:(1) Gases are mainly sourced from Ordovician carbonate source-rock, it is a mixed gas in which sapropelic gas dominates;(2) Gases are mainly sourced from Carboniferous coal-bearing source-rock, it is a mixed gas in which humid gas dominates.

对鄂尔多斯盆地中部气田气源问题主要有两种不同看法：一种看法认为它是以奥陶系碳酸盐烃源岩来源为主、腐泥气为主的混合气；另一种看法认为它是上古生界煤系气或煤系气为主的混合气。

According to the researches, the natural gas in this area is mainly controlled by structures and sedimentation, faults play a very important role in the natural gas's movement, the high spot areas of paleostructures are the advantageous gathering places of natural gas today; the sedimentary facies of the area is mainly the delta front subfacies, and the thickness of sand bed is relatively thin, the fuzzy diagnosis of natural gas indicates that the gas of this oil layer is distributed dispersively.

研究认为，本地区的天然气分布主要受构造和沉积控制，断层对天然气的运移起到至关重要的作用，古构造的高点地区是现今天然气的有利聚集区；本区沉积相主要为三角洲前缘亚相，砂体厚度相对较小，模糊识别天然气预测显示该油层天然气呈分散状分布；但总体看，由于本区天然气埋藏很浅，容易开发，且天然气预测分布面积之总和具一定规模，因此有较好的发展前景。

In sparkle discharge ,following conclusions could be reached:(1) overall spectral intensity in nitrogen is lower than in oxygen . When water is added, integrality light intensity is lower compared with the pure gas condition.(2) No matter it is nitrogen or oxygen, when water is added, syllabify three spectral lines of atomic H: Hα(656.3nm), Hβ(486.1nm), Hγ(434.0nm) could be seen. What is more, when water is added into oxygen, the spectral line of H atom becomes stronger.(3) When discharge in pure nitrogen, the light intensity falls with the increasing gas flow rate. While if water is added, the light intensity will rises with the increasing gas flow rate.(4) When discharging in pure oxygen, the light intensity rises with increasing gas flow rate. While if water is added, with increasing gas flow rate the light intensity initially will change as this:first rise, then saturate at about 140l/h, finally falls.

在火花放电中：(1)氮气的整体光谱强度要弱于氧气的整体光谱强度，加水时的整体光谱强度比纯气体中放电小很多；(2)无论所通为氮气或氧气，加水时可以清晰的看到Hα(656.3nm)，Hβ(486.1nm)，Hγ(434.0nm)三条氢原子的谱线，而且在氧气加水的情况下产生的H原子的谱线要强些；(3)纯氮气中放电时随着气流量的增大放电光谱的强度随之降低，氮气加水放电时随着气流量的增大放电光谱的强度随之升高；(4)氧气放电时，随着气流量的增大，放电光谱的强度随之升高，氧气加水中放电时随着气流量的增大，放电光谱的强度开始随之升高，在140l/h时的值最高，接着就开始下降。

The circulation, consumption and reproduction of the trilogy have not only testified to its historical significance and literariness, but also invested it with new meanings.

该三部曲的流通、消费与再生产不仅验证了其历史意义及文学性，而切还赋予它以新的意义。

If he thought that he could buy me off, he would be wrong.

如果他认为他可以收买我，那他就大错特错了。