scale arc

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

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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。

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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。

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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。

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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。

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