in 1997, scholars discovered a manuscript copy was in italy, considered one of modernity's great feats of literary forensics.

to our surprise and delight, the nanotubes also seep into the porous wood and make it stiffer.

令我们惊奇的是，它甚至渗入多孔的木质并使之更加坚韧。

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the study on local vacuum electron beam welding for aluminum alloy

铝合金局部真空电子束焊接工艺研究

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vacuum electron beam welding for stery rear-axle casing

采用真空电子束焊焊接斯太尔汽车后桥壳

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vacuum electron beam welding for rear-axle housing semiaxle of coach

大型客车后桥壳半轴的真空电子束焊接

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study on local vacuum electron beam welding of flange rim

法兰环缝局部真空电子束焊接技术研究

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development of high vacuum electron beam welding machine with the precise double position

精密双工位高真空电子束焊机的研制

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effect of vacuum electron beam welding on corrosion resistance of zirconium alloys

真空电子束焊接对锆合金耐腐蚀性能的影响

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vacuum electron beam welding of the hydraulic cylinder

液压作动筒真空电子束焊

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vacuum electron beam welding of sic particle reinforced aluminum matrix composites

SiC颗粒增强铝基复合材料的真空电子束焊接

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applied study of the teaching-playback method for the vacuum electron beam welding

示教再现方法在真空电子束焊接时的应用

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no display of dim light tube after power of console is on;

操纵台电源打开后微光管无显示；

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the pressure drop in the whorl tube (hot side) is the largest, then the ripple tube and the third the light tube;

螺纹管的管内（热侧）压降最大，其次是波纹管，最小是光管；

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adapter transformer starter commutator sensor dimmer termianl mercury lamps others linear fluorescent light tube

适配器变压器启辉器整流器感应器调光器端子台汞灯其他词汇荧光灯管

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investigation of carbon nanotubes field emitting light tube of novel cylinder-shaped structure

新型圆柱结构的场发射碳纳米管发光管

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with high quality tri-phosphor in linear fluorescent light tube, nice lighting effect, high index for color display;

采用优质三基色水涂荧光灯管，光效好，显色指数高。

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it uses high efficiency white light diode as light tube and high efficiency steady flow unit with 220v, 50hz.

其照明采用高效能白光发光二极管，并配有高性能电子稳流器，电压为220V、50HZ；

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the inner tube is a light tube, a screw tube, an inner rib tube or a tube with a spoiler.

所述内管是光管、螺纹管、内肋管或带有扰流片的管子。

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light tube is conducive to saving energy, reducing pollution and it has great application prospect.

导光管有利于节约能源、减少污染，具有极大的应用前景。

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my city countryside road in still fell behind as a whole, the existence constructs the tendency which again the light tube raises.

我市农村公路在总体上仍十分落后，存在重建设轻管养的倾向。

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group ring of compact group

紧群的群环

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