• The magnetic leakage field distribution above linear defects of a tube sample under the geomagnetic field was modeled according to magnetic dipole theory.

    利用偶极子理论,建立稳恒微弱地磁场作用管类试件线状缺陷段产生磁场模型

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  • Under different longitudinal magnetization, the shape and characteristic of the zero value line of the normal component for the magnetic leakage field which was an important criteria...

    分析了不同纵向磁化强度作为记忆检测方法重要判据磁场法向线形状分布特点

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  • The magnetic memory method, through examining the leakage magnetic field on the surface of the parts, can effectively find out the defects in fillet joints, which can diminish the leakage.

    记忆通过部件表面磁场检测可以有效检测管座角焊缝存在缺陷,减少泄漏现象的发生。

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  • Mining can not cause leakage of reservoir water body or affect infiltration flow field near the dam.

    煤层开采不会造成库区水体渗漏,不会对大坝附近渗流产生影响

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  • On the basis of investigating groundwater dynamic feature and groundwater distribution feature, the distribution rule of seepage field is ascertained and leakage by-pass dam field is confirmed.

    通过坝址两岸地下水动态特征地下水分布特征研究,阐明地下渗流分布规律确定了产生渗漏原因和途径。

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  • Ever since 1998, corrosion of drill rod and minor corrosion leakage have occurred in Pinghu oil Field in East China Sea.

    1998年开始,东海平湖油气田钻井中接连出现了钻杆腐蚀漏现象

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  • According to the features of dam temperature field under seepage or leakage conditions and evaluate the influence factors of temperature distribution of drill hole are evaluated.

    渗流渗漏情况堤坝温度特征、温度场示踪基本原理,分析影响钻孔温度分布因素

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  • The causes for the serious leakage of the reinforced concrete face dam of Zhushuqiao Reservoir are analyzed based on the design, construction and field measured data.

    根据设计施工现场检测资料,分析了树桥水库钢筋混凝土面板堆石坝严重渗漏原因

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  • Based on changes in electric property of underground media and natural potential field caused by landfill leakage, an online electricity monitoring system is designed to detect the leakage.

    根据垃圾场渗滤液渗入地下引起地下介质变化自然电位的改变,设计了用于垃圾填埋场渗滤液渗漏在线电学监测系统

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  • In the case of small leakage or small size perforation of gathering pipeline, field patching approach is often adopted in doing rush repair.

    当集输管道泄漏穿孔尺寸比较小时,往往采用现场补焊方法进行抢修。

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  • Flow pattern and velocity field of air leakage in goaf.

    采空区风流速度

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  • The rotor bar resistance and slot leakage inductance considering frequency effect are gotten by mean of bar loss calculation and leakage magnetic field energy calculation.

    通过直接计算损耗磁场能量得出了频率影响转子导条电阻与转子漏感。

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  • The wake is mixing with the last rotor tip leakage vortex in the stator passage, leading to more substantial fluctuations in the flow field.

    转子尾迹通道内追赶从前一转子叶片通道内下来的叶尖泄漏,二者的相互作用导致静子尖区更为复杂二次流动。

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  • The technical terms air leakage rate and air leakage coefficient are always used in boiler field.

    推导并建立漏风率”“漏风系数”的关系公式,以便于换算。

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  • Furthermore, it has satisfactory computation precision due to the use of multi - section method for the calculation of leakage magnetic field and the circulating current losses.

    同时由于计算磁场环流损耗时采用截面具有较高计算精度

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  • In this paper, the influence of tip leakage flow on the 3-d viscous flow field is investigated for different blade tip gap shapes under the condition of rotating hub or stationary hub.

    本文针对几种不同形态顶部间隙,在环壁转动与静止不同情况研究间隙内的泄漏流动粘性影响

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  • Based on full current theory, derive formula of slot leakage reactance from magnetic field energy calculation.

    采用电流定理磁场能量计算推导出抗计算公式

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  • The paper introduces the principle, implementation method, data analysis and application field of E-field inductive technology including its application in leakage detection of tanks.

    介绍利用电场感应技术进行储罐泄漏检测原理实现方法、试验数据分析应用领域等问题。

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  • The utility model relates to the technical field of a gas leakage alarm for a fire extinguisher.

    实用新型涉及灭火器气体泄漏报警技术领域

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  • Research results show:(1)the original temperature field of cement layer surface were quickly destroyed in initial coil pipe leakage, while the changes of floor surface were weaker;

    研究结果表明:(1泄漏初期水泥表面原始温度迅速破坏整个地板表面变化弱;

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  • In moderate field region, traps can be filled by both FN current and direct tunneling of electron into the traps. It results in a quasi-saturation in the leakage current.

    中等电场区域注入电子通过FN电流直接隧穿到达能填充陷阱,从而使电流产生准态饱和。

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  • Finally, a series of field and laboratory tests have been carried out with this sample machine, which provides data support for further study on the rule of insulator leakage pulse current.

    最后利用样机完成一系列线路实测实验室试验进一步研究绝缘子泄漏脉冲电流规律提供数据支持

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  • The third part is about the environmental risk evaluation and the risk identification of the red mud residue field, as well as risk-influence analysis and leakage forecast of the residue field.

    第三部分环境风险评价场进行风险识别,风险影响分析渣场渗漏预测

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  • To hence calculation precision, the leakage should be considered, and the leakage coefficients of permanent field and excited one are calculated separately by 2-d FEM of the magnetic bearing.

    精确计算轴承性能,考虑影响,通过分析磁轴承磁场分别计算永磁磁场电励磁磁场的漏磁系数

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  • The field test results indicate that the proposed method reduces the error of leakage locating.

    实际检测结果表明方法减小泄漏定位误差

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  • However, when oxide thickness increased to a fixed value at a specific oxide field, the increase in gate leakage current caused by a single oxygen vacancy could be neglected.

    厚度特定及特定电场下时,单个空位引起电流增加可以忽略

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  • The magnetic seeding element has the advantages of lowering magnetic leakage and improving magnetic-field strength and magnetic energy utilization of magnetic end faces thereof.

    这种吸式元件降低了磁率,提高排种元件磁吸端面磁场强度磁能利用率

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  • So it is an urgent task to analyze the flow field and air leakage ratio of ring cooler.

    因此冷却分析漏风测试研究一个急待解决课题

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  • Area which was floor steady state temperature area had weak effect by leakage, the temperature was mainly controlled by the original floor temperature field.

    泄漏影响区域3地板稳态温度区,温度主要原始地板温度场控制

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  • With the triode working characteristic in saturation field we implemented the conversion from constant-current charge to tiny-current charge and decreased leakage.

    利用三极管饱和区的工作特性,方便实现流充电至涓流充电的转换,减不了充电过程中的水损耗。

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