The flames burned brightly like a comet's tail.

Results The performances of spiral CT in 26 adult patients with intussusceptions were target sign 11 cases, comet tail sign or kidney shape sign 9 cases, the shape of mass 6 cases.

结果26例肠套叠患者的CT表现为：靶征11例、彗星尾征或肾形征9例、肿块样改变6例。

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Objective To discuss the characteristic of color comet tail sign ( CCTS) of metal exotic body, and enchance the rate of ultrasonic diagnosis.

目的探讨体内金属异物的彩色多普勒慧尾征（简称彩尾征）特点，提高超声诊断率。

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Results The differences of DNA-damage indexes ( comet tail length, comet shape and total comet length) between MW group and control group were not significant ( P> 0.05).

结果微波辐射组的DNA损伤指标（彗星形状和彗星全长）与对照组比较，差异无显著性（P>005）。

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Result: Lead acetate induces the breakage of DNA single strand in testis and resulted in comet cells with tail.

结果：醋酸铅染毒后小鼠睾丸细胞DNA单链断裂，出现彗星状拖尾。

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( 4) The detection percentage of comet tail sign is closely related to performance of the instrument.

慧星尾征的检出率与仪器性能有关。

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It's so hot that boiled iron and silicates are flowing into the stellar wind, much like a comet's tail.

该星球表面的热度足以融化铁和硅酸盐，被熔物质随后流入恒星风，宛若彗星尾巴。

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Value of the color comet tail sign in diagnosis of metal exotic body by color Doppler imaging

彩色多普勒慧尾征诊断体内金属异物的价值

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Results Fluorescent density of dichlorofluorescein ( DCF), comet tail and LPO in groups 2 × 10-3~ 16 × 10-3 cig/ ml were all higher than the control significantly, and there were dose effect relationships.

结果2×10-3支ml以上剂量组二氯荧光素（DCF）荧光强度、彗星尾长以及LPO水平均显著高于对照组，且随剂量增加而增加。

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Conclusion The characteristic color comet tail sign can be used to make Up the inadequacy of B-mode sonography and improve the accuracy rate in the Diagnosis and differential Diagnosis between the Calculus of urethroprostatic part and other high echo lesions in the prostate such as Prostatic calculus or calcification.

结论尿道前列腺部结石周边或后方的五彩镶嵌彩色多普勒信号的特异性征象，有确诊价值，弥补了B超诊断的不足，与前列腺强回声病灶具有鉴别诊断意义。

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Discussion of plasma instability between solar wind and type-I comet tail

太阳风与彗尾等离子体相互作用引起不稳定的一种讨论

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The hydrogen protons combine with the oxygen in the solar wind to produce water in the comet's tail; which is comprised of visible photons ( coma) generated by the comet's electric circuit.

氢质子与太阳风（solar wind）中的氧结合产生了彗星尾巴中的水，而这些水又与彗星的自身电回路产生的可见光子（visible photon）组合。

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Statistics of comet length, tail length and tail DNA%, all the above indicators showed obvious growth along with the increasing concentration of Ni2+.

统计彗星长度，彗星尾长和尾部DNA%等指标，随着Ni2+浓度的增加均呈现出较明显的增长。

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To reveal the faint and trace the comet's fading tail, the remarkable picture is a blended composite of telescopic exposures aligned with the both the stars and the speedy comet.

为了要呈现黯淡遥远的背景星系和彗尾，影像组合了分别以背景恒星和快速移动彗星为导星所拍摄的影像。

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Laboratory Study of Ultrasonic Image of Gallbladder Comet Tail Sign

胆囊声象图出现慧星尾征的实验研究

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[ Results] On the day 5,10,15 after cadmium injection, comet tail length and the number of DNA damaged cells in treated groups were significantly higher than in the control group ( P < 0.05).

[结果]镉在染毒的第5、10、15天与对照组比较，彗尾长度与受损细胞数目均有显著差别，P<0.05；

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The long comet tail was presented on k562 cells which were treated with quercetin by comet assay;

彗星分析法显示经槲皮素作用的K562细胞出现长的彗尾条带；

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The gallbladder comet tail sign is formed due to following causes: 1. Multifold reflex inside a multi-layer crystal;

胆囊内慧星尾征的形成原因为：1.多层结晶体内部的多重反射；

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( 2) The comet tail sign attached to the gallbladder wall suggests existence of cholesterol polypus.

附壁慧星尾征系胆固醇息肉。

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Stardust opened a collector to capture material from the comet's tail.

星尘号飞船打开了一个采集彗星尾部尘埃的收集器。

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Objective To investigate the sono morphological characteristics, inducing factors and clinical value of the small comet tail artifact ( SCTA) of visceral pleura.

目的探讨超声所显示肺胸膜后方小彗星尾征伪像（SCTA）的声像图特征、形成原因及临床意义。

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