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The neutron flux monitor (NFM), as a significant diagnostic system in the International Thermonuclear Experimental Reactor (ITER), will play an important role in the readings of a series of key parameters in the fusion reaction process. As the core of the main electronic system of the NFM, the neutron-gamma pulse shape discrimination (n-γ PSD) can distinguish the neutron pulse from the gamma pulse and other disturbing pulses according to the thresholds of the rising time and the amplitude pre-installed on the board, the double timing point CFD method is used to get the rising time of the pulse. The n-γ PSD can provide an accurate neutron count. 相似文献
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N-甲酰吗啉-烷烃-芳烃间汽液平衡的研究 总被引:12,自引:0,他引:12
近年,采用N-甲酰吗啉溶剂回收芳烃在焦化行业中受到极大重视,但可资利用的基础数据却极为贫乏。今用改进的Junghan's流动式鼓泡平衡釜测定了常压、三个温度(65.2,72.5,79.5℃)下苯-NFM二元体系的苯-环已烷-NFM、苯-正庚烷-NFM及苯-甲基环已烷-NFM三个三元体系共12组汽液平衡数据;对所有三元体系,分别以实测数据及苯-NFM的固定能量参数对,用NRTL和UNIQUAC模型进行了关联,结果均较为满意。研究结果填补了该项数据空白,完全能满足芳烃回收工程设计的需要。 相似文献
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主要利用噪声调频信号的连续性,进行功率谱积累的方法检测噪声调频信号,并结合相似性原理对噪声调频信号进行自动识别.文中分析了处理噪声调频信号利用功率谱检测的理论原理和相似性原理.给出了噪声调频信号的产生方法,并通过仿真得到了噪声调频信号的功率谱和频谱,验证了方法的有效性.最后利用蒙特卡洛的方法对噪声调频信号做了识别概率分析.在证明了相似性原理可以正确检测出噪声调频信号的同时得出识别概率与累积的关系. 相似文献
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