The strength for hardening calcined kaolinite-Portlandite-gypsum system is derived from the quantity of forming ettringite.

煅烧高岭石-石灰-石膏硬化体的强度与钙矾石生成量的多少相关。

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This paper analyzes the effect of amplitude phase errors on sidelobe level and beam direction in digital beam forming system.

针对旁瓣电平、波束指向等指标分析了幅相误差对数字波束形成系统的影响。

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Image supply apparatus, image output apparatus, control apparatus therefor, and image forming system having these apparatuses.

图象提供装置，图象输出装置，控制装置及具有这些装置的图象形成系统。

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Asteroids and meteorites, along with comets, are regarded as left-overs from the raw ingredients of the early solar system, uncooked by any planet-forming processes.

ECONOMIST: Asteroids

For the 12, 000-seat basketball arena, architects at Wilkinson Eyre devised a rapidly erected steel-frame system shrink-wrapped with a white PVC skin, the curved steel stretchers forming a pattern of alternating diagonal projections on the outside.

WSJ: London Olympics 2012 | These Knock-Down, Shrinkable Games | By Hugh Pearman

If hydrates remain a problem, the smaller size will be easier for BP to circulate antifreeze-like methanol through the system, keeping the hydrates from forming.

FORBES: With 'Life On Line,' BP Plans Top Hat, Junk Shot To Stop Oil Leak