scale arc

Formerly the arc length error for the insulation resistance instrument is defined by scale arc length. At present national standard determines that the percentage of indicated value expresses it.

绝缘电阻表以前是按标度尺弧长定义的弧长误差，现行国家标准规定以指示值的百分数表示。

In this paper, the system structrure, main fuction and warking principle of the computer control system for large-scale electric arc furnace. The system software AMX and control algorithm are also discussed deeply.

介绍了大型电弧炉计算机控制系统的结构、主要功能及工作原理，并就系统软件AMX及控制算法进行了讨论。

Study on Submerge Arc Welding of Large-scale Storage Tank Bottom Plate

大型储罐罐底板埋弧自动焊施工工艺研究

Based on differential evolution ( DE) algorithm, a method of fast implementation of the arc tangent function with high accuracy using assembly in fixed-point DSP is proposed. The validity and real-time behavior of this method is tested in a large scale.

基于差分进化算法，提出一种在定点DSP汇编层快速实现高精度反正切函数的方法，并对该方法在确定精度范围内的正确性和实时性进行了测试。

Mechanical properties and microstructures of black hard films of Ti/ TiN/ Ti ( N, C)/ TiC, grown on industrial scale by cylindrical arc ion plating on substrates with different hardness using our home made apparatus, were tentatively preliminarily characterized.

利用自制的柱弧离子镀膜机，在不同硬度基体上制备了Ti/TiN/Ti（N，C）/TiC多层复合膜。