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1·The material resistance curve is unique and independent on crack initial lengths.

对弹塑性材料裂纹扩展阻力曲线是惟一的，与裂纹初始长度无关。

2·Fracture toughness of X70 pipeline steel was tested with the method of resistance curve of energy value J.

采用阻力曲线法测定了X70管线钢的断裂韧度。

3·The influence of liqUid viscosity upon a centrifugal pump's Performance curve and device resistance curve is ana-lynd.

分析了液体粘性对离心泵性能曲线与装置阻力曲线的影响。

4·Evaluation of fracture toughness of the alloy steel by the JR resistance curve shows the influence of heat treatment technology.

应用所得JR阻力曲线对合金钢的断裂韧度的评定表明了热处理工艺的影响。

5·In the design of the recoil system, the designer need the recoil resistance curve to evaluate the performance of the recoil system.

在火炮后坐系统设计中，设计人员需要后坐体的运动阻力曲线来分析评价后坐系统的性能。

6·The testing method of JR resistance curve is recommended, and the application of alloy steel with different heat treatment is given.

本文介绍JR阻力曲线的测定办法，并对不同热处理合金钢进行了实测。

7·In this method, the crack resistance curve can be determined by using only one material data, either the hardness or the tensile strength.

此方法仅需一个材料参数例如材料硬度或抗拉强度等即可确定材料的裂纹扩展阻力曲线。

8·The paper introduces the approximate formula for the head curve of pump, the pipe resistance curve of system and the efficiency of pump with relative value.

介绍了扬程特性、管阻特性和水泵效率的相对值近似表达式。

9·Special skill: fault analysis for various fans, DCS on line data analysis, fan system analysis, fan system resistance curve measurement, and fan system training.

擅长：种类风机故障分析、DCS在线数据分析、风机系统理发分析、风机系统阻力曲线的测定、风机发行方案制定和风机系统培训。

10·Besides there is also some alternatives such as an inductance conversion using differential transformer and space curve deformeter and variable resistance pressure transmitter.

除此之外还有利用差动变压器和扰曲线应变计的电感变换方式，以及变电阻式压力变送器。