Then adopt GC/MS to analysis each fraction qualitatively and quantitatively , investigate the distribution situation that the main material in different temperature range.

然后采用GC/MS对各个馏份进行定性、定量分析，考察了主要物质在不同温度区间的分布情况。

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In a statement, the commission said it was aware the awards were only a small fraction of what each side had demanded of the other.

VOA: standard.2009.08.20

The amount produced each year is a fraction of the outstanding supply.

FORBES: Fact and Comment

Even under optimistic projections, heavily subsidized wind and solar would each amount to a tiny fraction of global energy by 2030 and thus cannot be the main answer to energy-security or environmental problems.

WSJ: Michael Boskin: Washington's Knack for Picking Losers

Each year, the fund distributes a fraction of its profits, averaged over five years, to every resident.

ECONOMIST: Gulf economies