长期以来,根据预防性试验和油中溶解气体的气相色谱分析结果判断变压器的绝缘状况,对防止事故的发生起到了很大作用。
The judgment of transformer insulation condition, which is based on preventive test and DGA, has played an important role of accident prevention for a long time.
用于气相的气体必须是干燥的,所以气体必须先经过一根干燥管。
The gas used in GC must be dry, so it have to pass a drying tube first.
管道中的液体在一定的条件下,部分液体气化成气体状态,产生气泡,形成气液两相流这就是闪蒸过程。
The liquid in the pipeline under certain conditions and partially vaporizes into gas state, bubble, formation of gas-liquid two-phase flow which is the process of flash.
与气-液系统不同的是,在流化床中气泡和连续相之间有气体交换。
As opposed to gas-liquid systems, there is an interchange of gas between bubble and continuous phase in fluidized beds.
本文通过采用实验和数值模拟的方法,研究了喷动流化床内气体混合特性以及床内气固两相的流动特性。
The dissertation studies the characteristics of gas mixing and the gas-solid two phases flow in spouted-fluidization bed with experiment and numerical simulation methods.
结果表明,爆炸喷涂气相爆轰系统爆轰特性主要取决于气相系统的选择和初始混合气体配比。
The results show that the detonation characteristic of gas detonation spray gun mainly depends on different gas detonation system and mixed gases matching.
在在线气相色谱没有完全实现的情况下,不可能随时获知油中气体浓度。
As on line measurements of gas chromatography are not completely implemented, it is difficult to acquire the gas in oil concentrations timely.
应用离子色谱法、GC-FTIR联用法、气相色谱法对相关气室的气体进行了分析。
The gas in the gas chambers concerned are analyzed by ion chromatography, GC-FTIR method, and gas chromatography.
用氢气、丙酮蒸汽为源气体,通过微波增强的化学气相沉积方法,实现了在金刚石表面气相外延生长单晶金刚石薄膜。
Vapour epitaxial grown single-crystal diamond film on diamond surface was obtained by microwave reinforced chemical vapour deposition method, using hydrogen, aceton vapour as source of gas.
用快速扫描傅立叶变换红外光谱,解析了分解过程中逸出的11种红外活性气体,给出了主要气相产物浓度随时间的变化曲线。
With the help of rapid scanning Fourier transform infrared FT-IR spectroscopy, 11 IR-active gas products were resolved during the flash pyrolysis process.
研究结果表明:气体包裹体含量以及气液两相包裹体的气液比,从南向北呈现出逐渐降低的规律。
The amount of gas inclusions and the ratios of liquid to gas in aqueous inclusions are decreasing from the south to the north in the basin.
用三种不同直径的浆态鼓泡塔研究气速、塔径、固相浓度、静止床层高度和气体分布器等对气含率的影响。
The variation of gas holdup with gas velocity, column diameter, solid concentration, static bed height and gas distributor was studied in slurry bubble columns with three different diameters.
水射流进入水垫塘可以将气体卷入塘内,形成水垫塘自掺气的水气两相流流场。
Air is entrained as water jetting into water cushion pool, the gas-liquid two phase flows field are formed.
文章分析了气相色谱检测煤气热值组分的准确度和精密度,并对气体组分多点校正标准曲线进行了研究。
This paper intends to research about the veracity and precision of the multidimensional analyzing system; multi-level calibration was also been studied in this paper.
本文给出了色谱专家系统中无机气体和轻烃采用气相色谱分析时固定相的推荐软件。
This paper gives a software on the recommendation of stationary phases used for GC analyses of inorganic gases and light hydrocarbons in our expert system on chromatography.
对GB/T 17623-1998气相色谱法测定绝缘油中溶解气体组分含量的测量不确定度进行了评定。
The uncertainty of measuring dissolved gas component content in insulating oil by using gas chromatograph method which was stipulated in GB/T 17623-1998 has been assessed.
以三氯乙烯(TCE)气体为模拟污染物,考察了粒子的气相光催化性能。
The photocatalysis activity of prepared particles was studied by the use of testing substance trichloroethylene(TCE).
实验采用气相色谱质谱联用仪(GCMS)对收集的堆肥尾气进行检测,测得21种气体,其中含量较大的气体为NH3和H2S等。
The test use the (GCMS) to check the odours, there are 21kinds of them, in them, the content of NH3 and H2S are very high.
基于气体侵入井眼后按气液两相流型分布的原理,利用声波可以早期检测到气侵。
Based on the theory of two-phase flow pattern of gas and liquid, gas cut change can be detected with acoustic wave after gas flowing into wellbore.
采用气相色谱方法对电池在化成阶段和储存阶段产生的气体进行了分析,初步讨论了聚合物锂离子蓄电池在化成阶段产生气体和储存阶段发生气胀的原因。
The gases generated in polymer Liion battery during formation process and storage process were analyzed by means of gas chromatography (GC), and the reason of the gas generation was discussed.
目前国内很多实验室采用气相色谱法对CO组分进行定值,本文就气相色谱法和气体滤光相关技术对CO的定值结果进行了比对。
At present many home laboratories use gas chromatography methods to measure co, this passage compared gas chromatography methods with gas filter correlation technique.
本文运用基于颗粒动理学理论的欧拉-欧拉气固多相流模型,考虑颗粒自旋转流动对颗粒碰撞能量交换和耗散的影响,数值模拟流化床内气体颗粒两相流动特性。
Numerical analyses of effect of particle rotation on gas and particles flow behavior were performed using two-fluid flow model combining with the kinetic theory of granular flow.
针对当前变压器故障诊断中的几个主要问题,利用气相色谱对变压器油中溶解气体成分进行了跟踪分析。
Being directed at the mail problems in the diagnosis, we analyzed the composition of gases dissolved in insulation oil.
结果得出,吸附称量法误差最小,其次是气体方程计算法,误差最大的是气相色谱法。
The results showed that using the weighting of adsorption column could achieve the least error, and in the next place was calculation by State equation of ideal gas, the gas chromatography was…
CVI( 化学气相浸渗)反应器内气体的输运对基体的沉积速度与沉积质量有重要的影响。
The effect of fluid flow in the CVI reactors on the deposition velocity and quality is of great importance.
以硅烷和氧化二氮作为反应气体,采用等离子体增强化学气相沉积(PECVD)技术,不使用掺杂,在单晶硅衬底上制备了用于平面光波导的二氧化硅薄膜。
Without doping, plasma enhanced chemical vapor deposition (PECVD) of silica films on si substrates with gas mixtures of SiH_4 and N_2O is considered.
以硅烷和氧化二氮作为反应气体,采用等离子体增强化学气相沉积(PECVD)技术,不使用掺杂,在单晶硅衬底上制备了用于平面光波导的二氧化硅薄膜。
Without doping, plasma enhanced chemical vapor deposition (PECVD) of silica films on si substrates with gas mixtures of SiH_4 and N_2O is considered.
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