The mechanical properties of ultrahigh molecular weight polypropylene films with various draw ratios have been studied by WAXD and dynamic mechanical measurements.

用x -射线衍射、动态力学测定等手段研究了不同拉伸倍数的超高分子量聚丙烯薄膜的力学性能的变化。

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To analyzed the single-layer reticulated domes of difference ratios of height to span and discover that the increment of the ratios of height to span, dynamic stability critical load decreases.

对不同矢跨比的单层球面网壳结构进行了分析，发现随着矢跨比的增大，动力稳定临界荷载减小。

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The effects of the consolidation ratios on the maximum dynamic shear modulus and the dynamic shear modulus versus the shear strain of sands are presented by using the resonant column method.

采用共振柱试验方法，研究了固结比对砂土最大动剪切模量以及对动剪切模量比与剪应变非线性关系的影响。

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The HP LV1911 and LV2011 respectively measure 18.5 and 20 inches diagonally and offer VGA inputs, 3, 000, 000:1 dynamic contrast ratios and 5 millisecond response times.

ENGADGET: HP redesigns its Magic Canvas software, plans to install it on all desktops (even non-touch ones)

All AOC Gamer Certified displays offer high contrast ratios and industry leading 2ms response times with DCR (dynamic contrast ratio) control, HDMI inputs and gaming modes for adjusting them to meet gamer needs on any HD game, whether it be on a console or PC.

ENGADGET: AOC takes wraps off of 22-inch LED-backlit V22 Verfino display