The optimum operating mode of kdp two - dimension aeo device is : the light promulgates along z axis , direct current electric field is loaded along z axis too , a pair of slow wave promulgates in xoy plane , which are vertical to each other 二维kdp声电光器件最优化工作模式为:光和电场方向沿z轴方向,声波采用xoy平面内两个相互垂直的慢波,其中正常器件为纵波、反常器件为切变波。
In fast axis the divergentce of each beam is 0 . 28o , in slow axis is 1 . 4o , the area of field from the end of ld stack 20cm is 42 25mm2 , average wave is 9 . 3 % . so , it can meet the requirement of pumping , and the effect is fairly good 具体数据为:各输出光束在快轴方向的发散角为0 . 28o ,在慢轴方向的发散角为1 . 4o ,输出光场在距ld面阵发射端面20cm处的面积为42 25mm2 ,平均波纹起伏为9 . 3 % ,可见整形效果较好
If the magnetic anisotropy of the magnetostrictive layer is much larger than that of the soft layer , the magnetic hysteresis and magnetostriction of the ecmm magnetized along the easy axis of the magnetostrictive layer are different from those of hard axis of the magnetostrictive layer 当磁致伸缩层磁各向异性与软磁层磁各向异性相差较大时,沿磁致伸缩层的易轴方向或难轴方向磁化,多层膜的磁学及力学性质差别较大。
In the scheme of the vccc , we calculate the relationships between the distributions of the magnetic field along z - axis or x - direction and various parameters of the vccc , and obtain several fitting equations that can be used to describe the relationships mentioned above 在v -型载流导体方案中，首先计算了磁场在导引中心处沿z轴方向和x方向上的分布，分析了磁场空间分布与载流导体参数之间的关系，给出了几个拟合公式。
6 experimental researches on two - directional shear behavior of l , t and + - shaped columns are undertaken . for l , t and + - shaped columns , the shear bearing capacity and ductility under two - directions is not worse than that under frame direction 6对斜向荷载作用的l 、 t 、十形柱受剪性能进行了低周反复荷载试验研究，得出如下结论：对等肢l 、 t和十形柱，斜向加载的延性基本等同或好于框架轴方向，斜向受剪承载力高于框架轴方向。
To measure the size of ba - ferrite fine magnetic particles , electromagnetic field was employed to drive the fine magnetic particles displace in order , then scanning electron microscope ( sem ) was used to observe and measure the size of ba - ferrite fine magnetic particles 为了迅速、准确地测定钡铁氧体磁粉颗粒的厚度、直径和厚径比的统计分布，采用对磁颗粒施加外加电磁场的方法，使各个磁颗粒的易磁化轴方向趋于一致，并用扫描电子显微镜观察钡铁氧体磁粉颗粒。
Then there are also two features to be extracted : the average distance of all points of every part and distance histogram distribution of all points in every part . the similarity calculation is same as that of second method , while the searching database is same as first method in third method 第三种检索技术将3d模型按z轴方向等分成16块，然后提取两个特征：分块平均距离和分块距离直方图分布，相似度计算使用l _ 1 ，距离，数据库检索同样采用了分步检索。
Zno thin film is compact and smooth , while the average size of the fine uniform grains , most of them are c - axis oriented , is about 30 - 50nm . the average oxygen content of zno thin film is over 40at % . fitful - sputtering helps to improve the orientation and compact extent crystal grains , and to decrease internal stress Sem 、 xrd和edx检测结果显示zno薄膜具有很好的工艺稳定性, zno薄膜平整致密,粒径分布均匀,晶粒平均尺寸为30 - 50nm ,主要沿c轴方向生长,平均氧含量超过40at % 。
The cyclo - hoop effect which steel tubular has exert to the concrete shows the character of heterogeneous in the arch rib section , the same to the axial direction . the paper verifies the change of the material poisson ration and the concrete grade will make the cyclo - hoop effect obvious alteration , the change of the cyclo - hoop effect and the stress redistribution of the section produced by the shrinking and creeping of the concrete and the expensive concrete on the section 在钢管混凝土拱肋断面上，钢管对内填混凝土的环箍效应具有非均匀性，在拱轴方向上环箍效应也呈现非均匀性。验证了材料的横向变形系数、混凝土标号等参数的变化将引起环箍效应的明显改变；混凝土的收缩、徐变和膨胀混凝土的应用导致钢管混凝土的环箍效应发生变化并使截面的应力发生重分布；并总结了其变化的基本规律。
The optimization design of the crank - connect rod mechanism was carried out . collocating the mass reasonably , adjusting the ratio ( ( 1 - f ) / f ) of the long axis to the short axis of the ellipse track , adjusting the direction of long axis to the direction where the internal - combustion engine was not sensitive to the stimulating force . all the above contribute to the max reduction of the vibration 对单缸内燃机的曲柄滑块机构进行优化设计,合理的布置加配质量的大小和方向,对轨迹椭圆的长短轴比率( 1 - f ) / f进行调整,将长轴方向调整到内燃机对激振力不敏感的方向,从而使不平衡力对内燃机所产生的振动最小,以某一具体的单缸内燃机为例进行了计算分析。
