The quantitative analysis of quinalphos by reversal phase high performance liquid chromatography was undertaken.

本文选用高效液相色谱法对喹硫磷原药进行定量分析。

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Contrast, spatial frequency, presentation time, moving velocity and phase reversal frequency of each grating are controlled independently.

每组光栅的对比度、空间频率、显示时间，移动速度和反相频率能单独控制。

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Direction reversal of HSN and VIN during follow-up suggests that lateralization of VNbased on the direction of these nystagmus should be considered in the context of disease phase.

在随访中hsn和VIN的方向颠倒表明，基于这些眼震方向VIN的偏侧性应该在疾病阶段引起注意。

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The generous bonus depreciation and small business deduction rules begin to drastically phase out in January 2012, which will likely cause a dramatic reversal in investment and other indicators.

FORBES: Depreciation Rules, Investment Swings And Rescheduled Economic Growth