查询词典 profile paper

The paper considers the Dugdale model in elasto-plastic fracture mechanics, and smoothness of the wedge profile, which suppress the stress singularities both at the edges of contact and at the sharp corners. The approach avoids the self-consistent numerical calculations for the real material potential.

研究中运用弹塑性断裂力学中的Dugdalc模型和对冲头尖角的连续化处理，消除了接触区边缘及尖角处的应力奇异性，并避开了自洽问题数值求解的困难，得到了完整的理论公式。

Equidistant profile surface discussed in this paper is one of the complex revolved workpiece.

本课题研究的等距型面联接件属于复杂回转体的一种。

The operating speed is able to reflect the real situation of the vehicle on the road more actually. So this paper evaluated the safety of the road through the estimative method of operating speed profile mode.

运行车速则更好地反映了车辆在道路上行驶的实际情况，本文拟通过运行车速轨迹线评估法来评价道路的安全性。

The precision of a new project for measuring the wheelset geometric parameters is studied once again in this paper. First, the wheelset is fixed and rotated by the device used in vehicle depot as usual. Second, the center line of wheelset axis is determined by a device called axis-center probe. Last, the acting device for sensor can draw a whole felloe profile, which is made up of parallel-pole device and rotating-probe.

本文研究一种新的非接触测量方法的精度，测量方法的核心是：采用车辆段普遍使用的转轮器实现被测轮对的粗定位；采用车轴基准探尺确定被测轮对的轴线；采用并联式伸缩机构和旋转测头座，带动电涡流位移传感器扫描车轮外形轮廓线，得到相关参数。

The CNC dressing system based 32-bit micro-computer, and the DNC dressing system developed in this paper plays an important role in the practical production, and it is helpful to study the gear cutter profile modification system deeply.

本文完成的基于32位工业控制机的砂轮修形CNC系统，以及分布式砂轮修形DNC系统，已获得推广应用，这对齿轮刀具修形系统的进一步深入研究具有促进作用。

Some applications of the Bezier curve to computer graphics are introduced in this paper. These include generating flowered patterns approximate drawing of profile of machine parts, designing the shape of industrial products with free curve, making three-dimensional picture of ratators with the Bezier curve as the generating line and plotting charts by smoothing out the graphs of discrete data of scientific experiments.

本文介绍Bézier曲线在计算机绘图中的某些应用，例如生成花纹图案，近似绘制机件的圆弧轮廓图，工业产品自由曲线轮廓的构形设计，生成以Bézier曲线为母线的旋转体三维图象，利用Bézier曲线的凸包性对离散的科学实验数据进行平滑处理绘出数据图表等。

Based on the difference between actural gulley and standar rotation wheel line,this paper establishes an assessment system that compose of two types of index, the interrelated degree and shape parameter of gulleys profile,to calculate the down erosion trend of gulley.

以实际沟谷与标准摆线间的差异为依据，初步建立了由摆线相关度和沟谷纵剖面几何形态参数两类指标构成的沟谷下蚀趋势评价指标体系，并以鸭儿沟为例进行了实际验证，结果较符合实际。

In this paper,a method of optimum profile design of cylindrical grinding gear hob is given.

本文提出了圆磨齿轮滚刀的优化造形法。

In this paper the key points discussed were that, under the condition of a sharp hypsography of desert areas of Ordos basin, we used some new geophysical methods in the investigation of surface structure to obtain high accurate surface structure data and provide reliable scientific foundation for data acquisition and process; we dealt with the optimum coupling of surface geophones and the digital realization technique in desert areas, dug into a method of high frequency compensation according to attenuations by absorption near surface, adopted data processing and correction technique, solved high frequency attenuation and geophone coupling, eliminated the influences of sharply transverse fluctuation of hypsography in desert area on the seismic data, enhanced the fidelity and SNR of seismic section, and finally picked up more geologic information on the seismic profile and improved the precision of the lateral prediction for the reservoir beds.

本文旨在研究鄂尔多斯盆地沙漠区地表变化比较大的情况下，在表层结构调查中通过应用一些地球物理新方法，以获取高精度的表层结构数据，为资料采集和数据处理提供更科学的依据；研究在沙漠区地表检波器最佳耦合的方式与数字实现技术，研究通过近地表的吸收衰减规律进行高频补偿的方法，采用数据处理校正技术，解决高频吸收及检波器耦合，消除沙漠区表层横向剧烈变化对地震资料的影响，提高地震剖面的保真度和信噪比，从而使更多的地质信息能够从地震剖面中反映出来，提高储层横向预测的精度。

This paper systematically summarized and analyzed general development characteristics of soil profile CaCO3 in Loess hill gully area including source, content, forming-condition, distribution and illuviation- depth of CaCO3, which will have the most important significance for the further studies on global soil and climate change.Soil CaCO3 eluviation-illuviation is a relatively complicate process, soil CO2 is one of the important effect factors, which influences soil CaCO3 through controlling soil pH value and CaCO3 solution capability.

碳酸钙在土壤剖面中淀积的深度和类型是黄土高原土壤发育的重要标志，钙积层是黄土高原土壤发育环境的历史信息库，同时土壤碳酸钙作为土壤无机碳库重要组成，它通过溶蚀后再结晶与大气CO_2之间进行物质交流来影响全球气候变化。

Methods: Five patients with parkinsonism or dystonia were assigned to general anesthesia using an modified endotracheal tube.

本实验依照人体实验之相关规定进行，五位患有帕金森氏症或肌张力异常的病人接受神经立体定位手术。

If you can benefit from this book, it is our honour.

如果您能从本书获益，这将是我们的荣幸。