Therefore, cross-flow rotating bed with protruded ripple plate packing have many merits of higher mass transfer efficiency, lower pressure drop and better kinetic balance.

多孔波纹板错流旋转床填料具有传质效率高、压降低、动平衡性好等优点。

youdao

And make comparison between ripple web plate variable cross-section portal rigid frame and constant cross-section rigid frame.

并且把波纹腹板变截面门式刚架与等截面门式刚架进行对比。

youdao

The section of traditional portal rigid frame are constant cross-section and wedge shape variable cross-section, this paper brings up a component cross-section—ripple web plate variable cross-section.

传统的门式刚架的构件截面为等截面和楔形变截面，本论文提出了一种构件截面形式——波纹腹板变截面。

youdao

It hasn't been just new projects that are making headlines: In November, even the Empire State Building got a makeover, when the owners installed a new LED light system whose millions of colors can ripple, cross-fade, strobe and burst in time to the tunes of Alicia Keys or a special New Year's show.

WSJ: On the Rise With High Rises