Pipe series: Elbow, tee, cross, movable joint, Bu core, reducer, pipe cap, choke plug, inside the wire, outside the wire, turned-over edge, increaser etc. 管件类:弯头、三通、四通、活接头、卜芯、大小头、管帽、堵头、内丝、外丝、翻边、异径管。
It was found that the initial fatigue crack nucleated at the cross edge of the hole and surfaces of the specimen by sliding. 试验结果表明,疲劳裂纹以滑移方式在孔壁与试样表面相交的棱上萌生;
Based on constructing convex polygon by extremity vertices and computing cross products of polygon's edge vectors, an algorithm for automatic identifying the orientation, convexity concavity of a simply polygon is proposed. 提出一种基于极值顶点构造凸多边形和矢量叉乘的自动识别简单多边形方向性、凸凹性的算法。
Combination of a cross movement, early edge set and pressure in the fall-line with early release are used to produce acceleration in Slalom and GS turns. 穿越动作、提早用刃以及在滚落线处提早释放压力相结合,可以在大小回转中提高速度。
A Novel Method of Zero Cross for 3D Biomedical Image Edge Detection 用于3D生物医学图象边缘检出的一种新零交叉算法
Using ROC evaluation in multi_fold cross validation, experiments shows that the classification accuracy can be significantly improved when the color histogram is combined with the color edge histograms. 采用多重交叉检验的ROC评估,实验表明结合颜色直方图和颜色边缘直方图能明显提高分类精度;
A class of non uniform dielectric waveguides with arbitrarily transverse cross sections was analyzed by a method, which combines the staircase approximation with the edge element and mode matching procedure. 用阶梯近似与边缘元和模匹配相结合的方法分析了一大类任意横截面形状非均匀介质波导的传输特性。
Entropy, cross entropy, difference index and edge index are employed to estimate the quality of the result image generated by fusing ETM+ ( Enhanced Thematic Mapper) multi-spectrum image and panchromatic image. 采用熵、联合熵、偏差指数和边缘指数等作为定量指标,对这种流程的融合结果进行了质量评价。
The cross section is simulated through the mathematics description result, the flank is simulated by choosing the appropriate edge spot in the picture, realizes simulation of the plate texture, and took Manchurian ash as an example, analyzed simulated grain. 对板材纹理横断面通过数学描述结果进行模拟,切面通过在图像上选择合适的边缘点进行模拟,以实现板材纹理的模拟再现,并以水曲柳为例分析模拟纹理。
Edge Extracting For B-Ultrasonic Cross Sectional Images Based on the Combination of Wavelet Transformation and Edge Mould 基于小波变换和边缘模板相结合的序列B超图像边缘提取
While computing radar cross section ( RCS), surfaces of objects were primarily triangulated, which was called prepositive disposal. The length of the edge of the triangle was generally 0.1 wavelength ( in general one wavelength is 3? cm). 在雷达散射截面(RCS)计算中,首先需要将物体的表面进行三角剖分,称为前置处理,三角片单元的边长通常为0.1个波长(一般1个波长取3cm)。
Using the method of mutual energy cross for edge features in variety of scale and accuracy, this method can restrain noise and recognize edge. 该方法利用小波变换天生的多尺度特性,对小波变换各尺度下的细节图像用互能量交叉的方法进行噪声抑制和边缘识别。
A charge conservation statistics enhancement method used in semiconductor divice Monte Carlo simulation is approached, which smoothes the charge fluctuation caused by the statistics enhancement, and keeps the continuation of cross edge charge flow. 介绍了一种在半导体器件蒙特卡罗模拟中保持电荷守恒的统计增强方法,该方法消除了由统计增强引入的电荷统计涨落,保持了不同增强区界面处过界粒子流的连续性。
High frequency scattering theory, including physical optics, physical theory of diffraction and equivalent electric current theory, were used to calculate the radar cross section of various scattering resources of missiles, such as flat plate, circular cylinder, quadric surface, edge and so on. 综合应用高频RCS分析方法,包括物理光学法、几何绕射理论、物理绕射理论和等效电磁流法等计算了导弹各种散射源如平板、圆柱、二次曲面、边缘等的RCS。
The results of small area XPS multipoint analyses for the cross section of composite show that the relative content of elemental Si decreases with increasing distance from the cross section edge while the relative content of SiC increases with increasing the distance. 块材横截面的多点小面积XPS分析结果表明,元素硅的相对浓度随深度增加而减少,SiC的相对浓度则随深度增加而增加。
The manufacture of artificial valve is on the cross-edge of many disciplines. 人工心瓣的生产涉及多个学科的交叉。
The characteristics of plant communities on abandoned land in different years were surveyed in agricultural cross bedding in the south edge of Otindag sandy land. 以浑善达克沙地南缘农牧交错带不同年限弃耕地为对象,研究了不同年限弃耕地植物群落特征。
In the reconstruction experiment of micro channel's cross section, two methods were used: mixed characters and edge marks, and the reconstruction error of depth reaches 2.8% and 1.2% respectively. 使用特征与灰度混合匹配和边缘标记两种匹配方法对微沟道硅模板截面进行了三维重构和测量,其深度误差分别达到了2.8%和1.3%,取得了令人满意的重构结果。
Cross section area of experimental goup diminished, morphous was fairly regular, myocyte nucleus still located in the edge of muscle fiber, connective tissue hyperplasia was not obvious. 用药组肌纤维截面积减小,形态较规则,肌细胞核仍位于肌纤维的周边,可见结缔组织增生。
A fast mapping method of magnetic field structure for a non-circle cross section tokamak plasma edge 非圆截面托卡马克等离子体边缘磁场结构的快速Mapping方法
Secondly, Xiao to Frank, natural language, autobiographical prose narrative methods, structure and poetic style, creating a cross between novels, essays and poems between edge style. 其次,萧红以率真自然的语言、自传式叙事方法、散文化的结构及诗化风格,创造出一种介于小说、散文和诗之间的边缘文体。
From the balanced cross section, it can be revealed that the tectonic style of front and foreland edge was mainly imbricate overthrust fault and related fold, with large reduction of fault and front expansion structure development. 平衡剖面恢复揭示了前山带及前缘地区的构造构造样式主要是叠瓦推覆断层及相关的褶皱,构造缩短量很大;构造发展主要呈前展式。
And the approximately error is also studied. Dynamic envelope algorithm is advanced to the calculate cross section curve of the workpiece according to different parameters of the tool edge shape in the event that its shape is arc. 针对圆弧刃形刀具所加工零件的截面型线进行了研究,提出了工件截面曲线的动态包络算法。
Optical inspection, cross section SEM inspection and wafer edge defect scan need to be repeated when test wafer is etched. With the procedure upon, process setup is completed. 在试验片刻蚀后在对其边缘进行光学检测和截面SEM检测,扫描边缘缺陷,完成工艺建立。
A coaxial cavity band-pass filter has been studied in this paper. We use new cross coupling structure on the edge to achieve the design of high isolation. 本文以腔体带通滤波器为研究对象,设计了一款新型同轴腔体带通滤波器,通过运用交叉耦合结构实现了对边带高抑制的性能。
Because cross operation costs most of the time in the algorithm, a new approach of improving the efficiency of the cross function is described, using a new minimum crossover polygon algorithm based on edge. 因为交叉操作在该算法中占用了大部分执行时间,故本文为提高交叉操作效率,提出一种基于边的最小交叉多边形算法,实验表明该新交叉算法可以极大的提高算法的交叉效率。
Design management as the design and management of the cross edge discipline, as a new field, has become increasingly subject to business, the design sector, the general study of the economics profession and attention. 设计管理作为设计学与管理学交叉的边缘学科,作为一个新的领域,已经越来越受到企业、设计界、经济学界的普遍研究和重视。
The advantages of the continuous rigid frame is can cross is linked together, can also will edge across loosen, the bearings form a continuous beam system in the impend construct way; Can also pier beam consolidation, not for direct support to form a continuous structure. 连续刚构的优点是可以多跨相连,也可以将边跨松开,采用支座形成刚构一连续梁体系;也可以墩梁固结,不设支座直接形成连续结构。
GIS belongs to multidisciplinary and the cross edge discipline, which has already been 40 years of history. GIS属于多学科和技术交叉的边缘学科,产生至今已经有40多年的历史。