this paper is about the combined enhancement heat transfer of transformer oil flowing in tubes.

本文以变压器油管内流动为研究对象，进行复合强化实验研究。

it can availably predict the concentrations of the dissolved gases in transformer oil and diagnose insulation condition of transformer in future.

该方法能够有效地预测未来时刻变压器油中溶解气体的浓度、诊断变压器在未来时刻的绝缘状况。

online detection technology of transformer oil dissolved gas can be used to analyze insulation status of transformer effectively, and the gas sensor in online detection is crucial to this technology.

在线监测变压器油中溶解气体可有效地分析变压器绝缘状况，在线监测用气体传感器是实施该技术的关键。

a deep dechlorination of polychlorinated biphenyls(pcb) in transformer oil by use of nano-nah synthesized under mild condition is reported.

开发了在温和条件下，利用自行合成的纳米氢化钠深度脱除变压器油中的多氯联苯（pcb）技术。

the abnormal reasons and its hazard of metal-polluted transformer oil caused by oil pump fault are analysed. the protective measure and an effective on-site treatment method are presented.

分析了由于油泵事故导致金属污染的变压器油油质异常的原因及其危害，提出了防止扩大污染影响的措施，并总结出了一套有效的变压器油现场再生处理的方法。

the domestic no. 25 transformer oil is adopted to replace the imported high tension resistant oil, we obtained some good results.

采用国产25号变压器油代替进口高压油，取得了较好效果。

obvious effect on degraded insulating oil treatment field transformer oil treatment when machine electrified.

处理劣化变质的绝缘油效果明显，可现场带电处理各种牌号的变压器油。

in order to realize fiber detecting, the fault gas dissolved in the transformer oil must be separated by the macromolecule membrane.

为了实现通过光纤的光信号进行观测，必须用分子膜把变压器油中溶解的故障气体隔离出来。

the revision history of iec 60296 transformer oil standard, the main revised contents of iec 60296-2003 and the developing tendency of transformer oil at home and abroad are introduced.

介绍了iec60296变压器油标準的修订历程，iec60296-2003变压器油的主要修改内容及国内外变压器油的发展趋势。

a new method of fast measuring t501 antioxygen content in transformer oil is introduced in this paper.

介绍了一种新的快速测定变压器油中抗氧化剂t501含量的新方法。

the factors to bring about unusual hydrogen content in transformer oil are analyzed. the measures to treat high hydrogen content in transformer oil are given.

对可能造成变压器油中氢气含量异常的诸多因素进行了分析，提出了处理变压器油中氢气含量异常增高的措施。

in this paper, main influential factors on dielectric surface discharge in transformer oil are discussed.

介绍了影响固体绝缘材料在变压器油中沿面放电特性的主要因素。

the light base oil can be used in roll oil for aluminium plate production, as the feedstock of transformer oil or as the blending component of low viscosity lubricant.

轻质基础油可作为生产铝板冷轧制用润滑油的基础油、变压器油的原料及作为低粘度润滑油调合组分。

test results indicate that the developed fiber optic acoustic sensors are capable of detecting the acoustic signals propagating in transformer oil with high sensitivity and wide bandwidth.

实验结果表明研制的这种光纤声波传感器测量变压器油中传播的声波信号具有比较高的灵敏度和较宽的带宽。

the ageing principle of transformer oil and the influence of transformer oil ageing to its dielectric properties are summarized. the methods to retreat the ageing oil are introduced.

概述了变压器油的老化机理及变压器油老化对其介电性能的影响，介绍了对老化油的再生处理方法。

at present available prediction models of gases dissolved in transformer oil are grey models, but there are certain limitations for them.

目前变压器油中气体浓度预测普遍采用灰色模型，但灰色模型的使用存在一定局限性。

in order to detect faults timely, decrease the testing period and reach the status maintenance, on-line monitoring of transformer oil chromatogram has been developed and spread gradually.

为更及时準确地发现变压器故障，缩短检测周期，逐步实现变压器的状态检修，变压器油色谱的在线监测应用而生，并逐步得到推广应用。

detection of furfurol content in transformer oil is an effective method to judge the aging degree of insulated paper in the transformer.

检测变压器油中糠醛含量是判断变压器绝缘纸老化程度的有效方法。

based on single column process of packed poromeric chromatographic column, the chromatographic analysis process of transformer oil with sp3430 gas chromatographic apparatus has been improved.

采用填充多孔高聚物色谱柱单柱流程对sp3430气相色谱仪的变压器油色谱分析流程进行了改进。

the transformer oil is an important liquid dielectric material in the transformer; it plays the roles of insulation, cooling and extinction of arc.

变压器油是变压器内部重要的液体绝缘介质，起绝缘、冷却和消弧的作用。