我们研制的螺旋阴极单丝正比室是作为快定时、二维位置灵敏重离子探测系统中的终端计数器。
A helical cathode proportional chamber for the end counter of two dimensional drift Chambers is described.
并推导出了单丝长度与螺旋参数相关的数学计算式，其计算结果与实际相一致。
Onthe other hand, the mathematic formulae are derived for single-wire length as a funclion of the helical parameters, and the results of calculation and the actual data are consistent with each other.
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