Absorbance ratio K-factor spectrophotometry is a new method to determine mixed components system.

吸光度比值k系数法是一种可以同时测定多元混合组分的新的分光光度法。

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The K-Factor correlated linearly with dust concentration, this is due to the variation of dust particle median diameter.

这种影响是由于粉尘颗粒中位径变化而引起的。发尘源非连续发尘时不但引起粉尘浓度变化，而且引起中位径改变。

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And we've used a relatively simplistic term called neutron Multiplication Factor which is the K that if the K equals one the neutron population is steady as is the fission rate.

我们已经使用了一个相对简单的词语，称为，中子的增殖系数，那就是K，如果K等于1，中子数，是稳定的，裂变速率也一样。

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Pre-Tax 401(k) calculator, which can factor in the effect of investing pre-tax savings in a taxable account (Option 2).

FORBES: Why the Pre-Tax v. Roth Decision is More Complex Than It Seems