Study on factors affecting ablative performance of c/ c Composites

Research and development of ablative performance of C/ C composites

C/C复合材料烧蚀性能的研究进展

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Finally, we test the velocities of three flyers with ablator of different thickness, the result indicates that we can measure the velocities of flyer which can further calculate the released particle velocities, and validate the verdict of theory and simulation.

最后，实验实测了三种烧蚀层厚度不同的飞片的飞行速度，结果表明飞片法可以测得飞片速度，进而求解粒子速度，而且证实了理论和数值模拟的结论。

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In this paper, the study of ablative characteristics of Teflon and a kind of ablator ( AT2) used for the thermal protection system were presented. The study used the means of a CO_2 laser as heating source.

介绍了运用CO2激光加热装置，对聚四氟乙烯（Teflon）和热防护烧蚀材料AT2的烧蚀特性研究。

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At last, the results of the theory, the numerical simulation and the experiments are summarized. It is concluded that the thickness of the ablator should try to reach the critical thickness.

最后，我们总结了理论、数值模拟和实验三方面的结果，提出了在不出现严重二维效应和卸载波效应的前提下，烧蚀层厚度应当达到临界厚度的设计原则。

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The flyer design emphasizes conceptually and physically separate functions of light collection at a distance from the laser source, light concentration on the ablator, and autonomous steering.

飞行器草图强调了概念上和物理上各自的功能&从远距离的激光源收集激光、光集中在烧蚀材料上和自主操纵方向。

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The microstructure and the ablation process of the phenolic ablator reinforced by fiberglass was studied by means of EPMA, XRF and DTA-TG.

本文采用EMPA、XRF和DTA-TG等现代分析测试手段研究了玻璃纤维增强酚醛型烧蚀材料的显微结构及其烧蚀过程。

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The results show that three regions of the cross-sectioned ablator appeared after the simulative ablation: char layer, pyrolysis zone and virgin region.

研究表明：烧蚀材料在烧蚀后断面形成三个区域：炭化区、有机树脂热解区和原始材料区。

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In chapter five, the results of the experiments are analysed, we draw a conclusion that the thickness of ablator should try to reach the critical thickness.

第五章是实验结果和分析，最终得出了烧蚀层厚度应当尽量达到临界厚度的结论。

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Amorphous beryllium hydride, as ablator, can increase conversion from laser to X-rays.

非晶BeH2材料作为烧蚀层，掺入高Z元素后可以提高激光-X光的转换效率。

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Study on the microstructure and the ablation process of phenolic ablator reinforced by fiberglass

玻璃纤维增强酚醛型烧蚀材料的显微结构及其烧蚀过程研究

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A degree of ablaut. Pay attention to the drills in the English vowel sounds.

音级元音交替的级别注意英语元音发音练习。

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Her brother is an able seaman

.误解她哥哥是个很有能力的水手。正解她哥哥是个一等水手。

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Besides her steward work in the wardroom Able Seaman Green is a member of the ship's firefighting team, which is ready to respond to any fire or toxic hazard incident.

除了军官室的干事工作，二等兵格林还是舰上消防队的一员，准备应付任何火警和防化事故。

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Able Seaman Green said she and her ship mates would celebrate this Christmas at sea as they conduct security patrols in the Persian Gulf.

二等兵格林说她和她舰上的伙伴将在波斯湾上庆祝圣诞节。

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I had at last found a sport where I could compete on equal terms with able-bodied people

我终于发现了一个可以和体格健全的人平等竞争的体育项目。

《柯林斯高阶英汉双解学习词典》

Mind-reading of this sort will allow the disabled to lead more normal lives, and the able-bodied to extend their range of possibilities still further.

这种读心术可以让残障人士更好的了解普通人的生活，可以让身体健壮的人在更大程度上发展他们的能力。

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An able seaman; every able-bodied young man served in the army.

身体强壮的海员；每个健壮的年轻人都在军队服役。

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They may need all ablebodied men at short notice.

在短时警告里，部队可能需要健全的男人。

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Under these circumstances, it would be incredible if he hadn't experienced ableism and discrimination.

在这种情况下，他要是没有遇到过体能歧视，那是不可能的。

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There is no dual vari-ables and penalty parameters in the proposed net, and the number of the state variables which the net needs is the least. It can be guaranteed to asymptotically converge to an exact optimal solution.

该网络所需状态变量少，不含对偶变量和罚参数，并能渐近收敛于原问题的最优解。

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