Comparing the characteristics of tray column with packed column, and combining the structured packing with dual flow plate, a new type compound tray was developed.

对比板式塔和填料塔的特点，将规整填料与穿流板有机组合，开发出新型的复合塔板。

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A dual-flow continuous culture system provides a relatively ideal model for simulating rumen fermentation, including physiology, biochemistry and microbiology.

双外流连续培养系统是目前研究反刍动物瘤胃生理学、发酵生物化学和微生物学的较为理想的模型。

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In this thesis, the dual-flow tray was combined with packed tower to be a new type compound packed tower.

本文提出了一种新型的复合填料塔设备，将穿流筛板引入到填料塔中。

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Such techniques include fluorescence, paramagnetic resonance, microcalometry, circular dicroism, dual wavelength spectrophotometry, stop-flow spectrometry among others.

UNESCO: Science Policy and Capacity-Building

The Conservative's Lord Patten said civilian goods did flow to Gaza "in parallel with the real blockade against arms, against munitions and against some dual-use materials that can be misused".

BBC: Gaza strip an 'open air prison', claims Labour peer