... lead acetate (sugar of lead) : 醋酸铅(铅糖) lead lead method : 铅 铅法年龄测定 lead oxide (lead monoxide) : 一氧化铅 ...
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isotopic lead-lead method 同位素铅铅法
As lead and arsenic pollution element are skew distribution, statistics of a natural background value and a content of lead and arsenic are worked out using median method of skew distribution.
由手铅、砷污染元素呈偏态分布,故采用偏态分布中的中位数法作了铅、砷自然背景值及含量的统计。
In this paper calculating method of lead angle of helical gear by measuring span length of length bar and base tangent length is put forward and lead angle calculating formula is deducel.
分析齿轮主要参数,提出用测量跨棒()和公法线长度计算斜齿圆柱齿轮螺旋角的测绘方法,并推导出螺旋角的计算公式。
To lead anode plate thickness uniformity, we proposed the dynamic lost heavy method realization lead anode plate casting method. It increased the precision of casting the lead anode plate.
为使铅阳极板厚薄均匀,提出了动态失重法实现铅阳极板定量浇铸的方法,提高了铅阳极板的浇铸精度。
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