By S-allying and selected faint acidic slag technology during reduction period, the recovery yield of S is up to 93%.

通过在还原期S 合金化和二次造亚酸性炉渣工艺，把S的收得率提高到93％。

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The current five-year plan, which contains few other numerical targets, envisages a 10% reduction in concentrations of the worst air pollutants and a 20% increase in energy efficiency over the period.

现行的五年计划，其包括的数字目标没有几个，设想这期间最差的空气污染物的浓度减少10％，能源效率增长20％。

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The cut proposed by 2020 is just 17%, which means that most of the reduction will take place towards the end of the period.

2020年的目标削减量仅为17%，这意味着大多数的削减将会是在目标期限的末期完成。

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The impacts described above assume that the force structure in place today will be adequate throughout the greenhouse gas reduction period.

CENTERFORSECURITYPOLICY: Center For Security Policy

The major reason for such a small reduction of that period, according to the IEA, was the resurgence of coal.

BBC: Green energy on the back foot after carbon trading blow

"The government will respond to its recommendations in due course but agrees that there should be a substantial reduction in the period after which official papers should generally be released to the public, " he said.

BBC: Secret papers face faster release