dissolved gas

The synthetic diagnosing of transformer faults based on dissolved gas-in-oil analysis ( DGA ) is introduced.

介绍了基于油中溶解气体分析 ( DGA )的电力变压器故障综合诊断.

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in terms of dissolved gas analysis, the system diagnoses the trouble by using the improved three-ratio method and the no-ratio method when the gas content or the produce speed of the gas exceeds the notice value.

对于油中气体含量监测，当特征气体含量或产气速率超过注意值时，通过改良三比值法和无比值法来进行故障诊断；

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Diagnosis of power transformer fault type by dissolved gas in oil analysis

用油中溶解气体色谱分析法诊断变压器故障

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Dissolved Gas Analysis ( DGA ) is a very effective method to predict and diagnose transformer faults.

油中溶解气体分析技术是早期发现和预防变压器故障的有效方法之一.

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Dissolved Gas Supersaturation Downstream of Dam and Its Effects on Fish

高坝导致的河流气体过饱和及其对鱼类的影响

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the features showed during the development resemble that in dissolved gas drive.

油田开发表现的特征与溶解气驱开发类似。

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Acetylene is a flammable gas stored in cylinders as a dissolved gas.

乙炔是易燃的,作为溶解气体储存在钢瓶里.

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Neural network based on-line detection of dissolved gas in transformer oil

基于BP网络的变压器油中溶解气体在线监测

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Because of being short of studying how to carve up the patterns of insulation faults in the field of transformer fault diagnoses, fuzzy classification theory was applied to the problem of dissolved gas analysis ( DGA) in transformer oil.

基于当前对电力变压器故障识别中的模式空间划分缺乏研究的情况，将模糊聚类技术引入了电力变压器油中溶解气体分析DGA。

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The suggested method can be widely applied to the field of transformer oil dissolved gas measurement.

该法能广泛用于变压器油中溶解气体检测领域.

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when the angle between fracture azimuth and well array is 45 for both water-flooding and dissolved gas drive, the recovery percentage is enhanced and the development effect after fracturing is better than that before fracturing.

当裂缝方位与井位成45°角时，无论水驱还是溶解气驱，采出程度均提高，压裂后的开发效果好于压裂前；

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in operation design, the energy of dissolved gas drive could be increased through adding pure co 2 to the prepad fluid; and the co 2 might play the role of cooling so as to attain the goal of reducing reservoir temperature.

施工设计中预前置液中加入纯CO2，能增加溶解气驱的能量，CO2可以起到冷却作用，达到降低储层温度的目的；

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The traditional gas chromatography for testing dissolved gas in transformer oil has the disadvantage of multiple analytic links, frequent operation, long testing cycle and large errors.

传统气相色谱法检测油中溶解气体存在分析环节多、操作频繁、试验周期长、误差大等弊病。

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trends reservoir behavior of a dissolved gas drive oil reservoir

溶解气驱油藏动态特征

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Pressure-fed engines are particularly susceptible to dissolved gas in the propellants.

挤压 式 发动机对推进剂中溶解的气体特别敏感.

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The existing mine gas in coal bed occurs mostly in the free state, the adsorption state and the dissolved state.

瓦斯气体在煤储层中的赋存状态主要有游离态、吸附态和溶解态。

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The gas pool distribution is distributed in three ringlike zones from the certer to the margin of the basin. Namely dissolved gas zone, gas-cap gas zone, and gas reservoir respectively oil pools are in four ringlike zones.

气藏的分布从盆地内部到边缘分为3个环形带，即溶解气带、气顶气带和气层气带。

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Application and Operation of On-line Monitoring Equipment for Dissolved Gas in Oil

油中溶解气体在线监测装置的应用及运行

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Based on the analysis of its concept, the hazards of the supersaturation of the total dissolved gas ( TDG) were discussed.

从对总溶解气体（TDG）过饱和概念的分析入手，阐述TDG过饱和的危害。

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inflow performance relationship for non-isothermal dissolved gas drive reservoir

非等温溶解气驱流入动态研究

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using the united clearance ration definition and introducing the influence of dissolved gas on fill factor, the formula for calculating the fill factor is derived, taking the common influence on free gas, dissolved gas and clearance volume into account.

采用统一的余隙比定义，引入溶解气时充满系数的影响，导出了考虑自由气及溶解气，余隙体积共同影响时充满系数计算公式。

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In this paper, on-line monitoring and diagnosis system for traction transformer is designed based on DGA ( dissolved gas-in-oil analysis) technology to realize the online monitoring the traction transformer oil dissolved gas H2 、 CO 、 CH4 、 C2H6 、 C2H4 、 C2H2.

文章基于DGA技术的原理，设计了一套牵引变压器在线监测及故障诊断系统，实现了对牵引变压器油中溶解气体H2、CO、CH4、C2H6、C2H4、C2H2的在线监测。

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the more the dissolved gas content is, the better the stability of foaming oil is.

溶解气含量越高，泡沫油稳定性越好。

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by means of numerical simulative method, recovery percentage of water drive and dissolved gas drive is calculated in the low-permeability oil field before and after fracturing.

应用数值模拟方法，计算了低渗透油田压裂前后水驱和溶解气驱的采出程度；

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both free gas and dissolved gas play important roles in the reservoir-drive mechanism.

游离气或溶解气二者在储层驱动机理中都起着重要作用。

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investigation on data of dissolved gas analysis during heat run test of large power transformers

大型变压器温升试验油中溶气分析数据的调查和分析

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In this paper, we studied the technology of dissolved gas analysis ( DGA), and put the content of dissolved gas in reactor as attribute variables. Then, we use Bayesian networks to diagnose the reactor.

本文研究油中溶解气体分析技术（DGA），并把电抗器油中溶解气体的含量作为属性变量，利用朴素贝叶斯网络对电抗器进行故障诊断。

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A study on the effection of a rubber bladder of sampling bottle to the measurement of dissolved gas in ground water

取样瓶内球胆对水中溶解气测值影响的研究

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Progress of Model Studies on Total Dissolved Gas Supersaturation Downstream of Sluicing Dam

大坝下游水体溶解气体浓度超饱和模型研究进展

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Analysis and Compare of Photo-Acoustic Spectroscopy Technology and Gas Chromatography Technology in Checking dissolved Gas in Transformer Oil

采用光声光谱技术与气相色谱技术进行变压器油中溶解气体检测的分析比较

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