纵向磁场,longitudinal magnetic field
1)longitudinal magnetic field纵向磁场
1.Effect of longitudinal magnetic field on microstructure and properties of MIG weld joint of mild steel;纵向磁场对低碳钢MIG焊焊缝组织及性能的影响
2.Effect of applied longitudinal magnetic field on the properties of overlaying weld metal;外加纵向磁场对堆焊层金属性能的影响
3.Effect of longitudinal magnetic field on splatter in CO_2 short-circuit transfer arc welding;外加纵向磁场对CO_2焊短路过渡飞溅影响的研究
英文短句/例句

1.Experimental Study of Intermediate Frequency Vacuum Arc Under Axial Magnetic Field纵向磁场下中频真空电弧的实验研究
2.Research on MIG welding arc with additional longitudinal alternating magnetic field外加纵向磁场作用下的MIG焊电弧形态
3.Effect of Longitudinal Magnetic Field Annealing on the Magnetic Properties of Nanocrystalline Alloys纵向磁场退火对纳米晶合金磁性能的影响
4.PLASMA-FILLED DIELECTRIC CHERENKOV MASER WITH A LONGITUDINAL MAGNETIC FIELD考虑纵向磁场的等离子体介质切伦可夫脉塞
5.The GTAW of Magnesium Alloy in Longitudinal Magnetic Field;纵向磁场作用下镁合金的交流钨极氩弧焊
6.Research on the New Type Electrode Structure with Axial Magnetic Field of Vacuum Interrupters新型真空断路器纵向磁场触头结构的研究
7.The Correlation between Ribbon Separation and Magnetic Field in a Two-Ribbon Flare太阳双带耀斑的分离运动与纵向磁场的关系
8.Influence of External Longitudinal Magnetic Field on Frequency of Short-circuit Droplet Transfer in CO_2 Arc Welding外加纵向磁场对CO_2焊短路过渡频率的影响
9.Analyses of process of MIG droplet transfer with longitudinal magnetic纵向磁场作用下MIG焊熔滴过渡过程的分析
10.Study of Wear-resistant of Different Hardfacing Alloys with Direct Current Longitudinal Magnetic Field;外加直流纵向磁场作用下堆焊合金性能对比实验研究
11.Study on the Welding Test of Al Alloy and Simulation in MIG Arc Welding with Longitudinal Magnetic Field;纵向磁场作用下铝合金MIG焊接实验研究及数值模拟
12.A New Measurement System of Longitudinal Surface Magneto-Optic Kerr Effect in Large Magnetic Field一种新型大场纵向表面磁光克尔效应测量系统
13.INFLUENCE OF A LONGITUDINAL STRONG STATIC MAGNETIC FIELD ON THE DENDRITE MORPHOLOGY AND QUANTITIES FOR DIRECTIONALLY SOLIDIFIED DZ417G SUPERALLOY纵向强静磁场对定向凝固DZ417G合金枝晶形态和数目的影响
14.Design and electromagnetic analysis of ITER TF Magnet BusbarITER纵场磁体超导母线设计与电磁分析
15.For magnetic thin films, the magnetic axis is in the longitudinal direction, where Kerr effect is obvious.对于很多磁性薄膜,易磁轴方向为纵向,通常纵向克尔效应较明显。
16.In strong fields the magnetization usually changes by rotation of the direction of magnetization.在强磁场中,磁化往往由于磁化方向转向而改变。
17.The iron flings align themselves in the direction of the magnetic field铁屑按磁场的方向排列。
18.Two preliminary alternative designs for the gravity support of ITER toridal field magnetITER纵场磁体重力支撑的两种初步更改设计方案
相关短句/例句

axial magnetic field纵向磁场
1.Effects of axial magnetic field on density and voltage noise of vacuum arc charged particle;纵向磁场对电弧带电粒子密度和电压噪声的影响
2.Comparison of axial magnetic field characteristics of 5 axial magnetic field vacuum interrupter contacts;五种纵向磁场真空灭弧室触头磁场特性分析比较
3.Seven contact parameters of cup-type axial magnetic field(AMF),such as coil thickness,quantities of slots,etc.采用正交设计方法对杯状纵磁触头的杯厚、杯指数等7个触头设计参数进行实验设计,用三维有限元方法对实验方案进行磁场特性分析,其中磁场特性包括纵向磁感应强度、纵向磁场滞后时间以及导体电阻值。
3)longitudinal magnetic纵向磁场
1.Analyses of process of MIG droplet transfer with longitudinal magnetic纵向磁场作用下MIG焊熔滴过渡过程的分析
2.On the basis of measuring gas tungsten arc welding (GTAW) the arc electrical current density distribution with a probe method, the new expression of body force and model of LD10CS aluminum alloy weld pool were put forward in GTAW with additional longitudinal magnetic field controlling.在惰性气体保护钨极电弧焊接 (GTAW)过程中 ,引入纵向磁场焊接 。
3.A non-singular single integral mathematical model is adopted to calculate the external intermittent and alternative longitudinal magnetic field acquired by single axisymmetrical and cylindrical hollow coil t which is coaxial to electrode and excitated by a revisable pulsed current of square wave t in austenitic stainless steel GTA welding.针对奥氏体不锈钢外加纵向磁场的气体保护钨极电弧焊接(GTAW)时,与电极同轴的单个轴对称空心圆柱线圈在双向脉冲矩形励磁电流作用下产生的间歇交变纵向磁场,采用无暇点单积分磁场的数学模型,对*TAW焊接外加间歇交变纵向磁场进行了数值计算,该方法具有模型简单、计算速度快和精度高等优点并讨论了该间隙交变纵向磁场的分布、磁场的均匀性及其纵向分量与径向分量的比率等规律及其对焊接行为的影响,认为横磁分量将削弱GTAW外加纵向磁场的有利作用,影响磁控电弧的焊接质量。
4)axial magnetic field (AMF)纵向磁场
1.Influence of design parameters on axial magnetic flux density distribution, distribution of eddy current on contact plate, phase difference and conductor resistance for 1/2, 1/3 and 1/4 turns axial magnetic field (AMF) electrode of vacuum interrupters has been investigated and analyzed.分析了1/2、1/3和1/4匝纵向磁场真空灭弧室触头设计参数对纵向磁感应强度分布、触头片上涡流分布、纵向磁场滞后时间以及导体电阻值的影响。
2.Axial magnetic field (AMF) contacts can prevent the vacuum electric arc from shrinking in the vacuum interrupters.在大电流水平下真空电弧的收缩特性取决于触头的材料和工作原理,在真空灭弧室中纵向磁场(AMF)触头能够阻止真空电弧收缩。
5)magnetic longitudinal deviation纵向磁场航向差
6)AC longitudinal magnetic field纵向交流磁场
1.During the welding of AZ31 magnesium alloy plate(5mm),AC longitudinal magnetic field was used,and the effects of magnetic field on the mechanical properties and microstructure of welded joint were studied,and the function mechanism of magnetic field was explored.在对5mm厚的AZ31镁合金板进行GTAW焊接的过程中,外加纵向交流磁场,研究了磁场对焊接接头的力学性能和显微组织的影响,并探讨了磁场的作用机理。
延伸阅读

纵向磁场中的单层空心超导圆柱体纵向磁场中的单层空心超导圆柱体(singlehollowsuperconductingcylinder(SSC)inalongitudinalmagneticfield)平行于柱轴(纵向)磁场H0中的单层空心超导长圆柱体(SSC)是复连通超导体。设柱体内外半径分别为r1,r2(r1<r<r2),厚度d=r2-r1,ζ=r/δ,Δ=d/δ,δ=δ0/ψ,δ0,ψ分别为大样品弱场穿透深度和有序参量。由GL理论,徐龙道和Zharkov研究了一系列物性,其中对厚壁样品,磁场难于透入中空部分而只存在原有的量子化冻结磁通。对`\zeta_1\gt\gt1`和$\Delta\lt\lt1$的薄壁样品,腔内磁场H1和样品磁矩M分别为:$H_1=\frac{H_0 (n\phi_0//\pir_1^2)\zeta_1\Delta//2}{1 (\zeta_1\Delta//2)}$$M=-\frac{r_2^2\zeta_1\Delta(H_0-n\phi_0//\pir_1^2)}{8[1 (\zeta_1\Delta//2)]}$这里n为磁通量子数,φ0=h/2e=2.07×10-15Wb。是磁通量子,h和e分别为普朗克常数和电子电荷量。若原先空腔中无冻结磁通(n=0),则腔中磁场是外场H0穿透进入。若$\zeta_1\Delta\lt\lt1$,则H1≈H0,磁场可几乎全穿透到空腔。薄壁不起屏蔽磁场的作用。但若$\zeta_1\Delta\gt\gt1$,则H1≈1,所以虽然$d\lt\lt\delta$,但外场仍难于进入空腔而被壁所屏蔽,称ζ1Δ/2为纵向外场中单层空心长圆柱体的屏蔽因子。对M也可作同样分析。与实心超导小样品类似(见“超导薄膜”),可用与ψ(对坐标的平均),H0,n,温度T和样品尺寸l有关的超导-正常两相吉布斯自由能密度之差$fr{F}(\psi,p)$用GL理论来进行研究分析相变行为及其他一系列物性,如各种临界磁场,临界尺寸等等。这里H0,n,T和l在$fr{F}$宗量中统一记写为p来表示。SSC系统的一、二级相变见图1。随着H0或T的增加,图线由1逐渐上升到4和5。图1(a)的1,2,3三曲线在ψ>0上存在$fr{F}<0$的极小值,超导态是稳态,在3与4曲线之间可有$fr{F}>0$和ψ>0的极小值(图中未画出),则超导态是亚稳的过热(sh)态。曲线4上有$fr{F}>0$,ψ>0的拐点,是超导态的过热边界。稍上,样品即跳跃到ψ=0的正常态或量子跃迁到不同n值的ψ>0的超导态。再往上,如图线5,$fr{F}$的最小值在ψ=0,样品完全处于正常态。相反过程,减小H0或T,图线由5的处于ψ=0的稳定正常态,并维持ψ=0到图线4,在图线3上,极大值在$fr{F}>0$和极小值在$fr{F}<0$与ψ>0处,此时ψ=0的正常态是亚稳的过冷(SC)态。继续减小H0或T,在极大值开始消失只存在极小值时,ψ=0的正常态是过冷边界。再往下,样品处于完全的超导态。由于有过热和过冷滞后现象,相变属一级相变。图1(b)则无滞后现象,相变属二级相变。Arutunian和Zharkov在此基础上又细致地作了进深的一系列研究,例如所给出的图2(a),这里取T=0K的相干长度ξ0=1×10-7m,GL参量K=0.2,r1=6×10-7m,r2=8×10-7m,图中t=T/Tc,φa1=πr12H0/φ0,φtc表示在图1(a)上拐点所对应的量,用箭头所指表示,实线是过冷边界φsc,虚线是过热边界φsh,平方规律的包络线类同于图2(b)的块样品的热力学临界磁场Hc(T)的相图曲线,但图2(a)体现了外场穿透薄壁而形成磁通量子的跃入空腔的过程和滞后现象。又例如对二级相变的比热随外场和量子数n跃迁振荡情形见图3。图中$bar{c}=\Deltac//c_0$,Δc=cs-cn,c0=μ0Hcn2(0)/Tc,μ0为真空磁导率,Hcn(0)是T=0K时对应于n的热力学临界场,cs和cn分别是超导态和正常态的比热。图3(a)(实线)和(b)(虚线)分别是对应清洁和脏超导体薄壁样品的。在n超导态磁通跃迁进入n±1超导态过程中经历有正常态时,则进入n±1超导态称超导态的重入,或一般地进入正常态后又进入超导态也称超导态的重入。