Here's what a naturally-occuring noctilucent cloud looks like, for comparison
以下可以对比自然形成的夜光云看起来来是怎样的
Rare earth noctilucent fibers are a kind of new materials, provided with special function.
稀土夜光纤维是一种具有特殊功能的新型材料。
The clouds are also called noctilucent, or "night-shining," clouds because they are usually seen at twilight.
这些云也被称为“noctilucent”，也就是“夜光云”，因为他们一般出现在黄昏时分。
The preparation technique and application of noctilucent powder and noctilucent glaze were introduced in this paper.
介绍了夜光粉和夜光釉的制作方法及其应用。
Although noctilucent clouds are thought to be composed of small ice-coated particles, much remains unknown about them.
尽管我们认为夜光云由裹着冰的小微粒组成，但仍有许多未知有待研究。
Recent evidence indicates that at least some noctilucent clouds result from freezing water exhaust from Space Shuttles.
最近有线索表明，至少部分夜光云是由航天飞机上排出的水蒸气结冰所导致的。
Captured by flickr user, breff 3. A rendering of the noctilucent clouds created from data obtained by Russel’s NASA project, AIM.
利用拉塞尔NASA项目获得的数据绘制的夜光云效果图。
THE comings and goings of noctilucent or "night shining" clouds in the extreme upper atmosphere may be linked to the sun's rotation.
高层大气中时隐时现的发光的云团可能跟太阳的自转有关。
The recent observations of noctilucent clouds at all kinds of latitudes provide an extra impetus to understand what is going on up there.
最近在各种纬度进行的夜光云观察，提供了了解天上发生着什么的特别动力。
"To get the noctilucent clouds you need temperatures that are about 20 degrees Kelvin colder than what we see on average up there," Wickwar said.
要获得夜光云，你需要的气温要比我们在那里看到的平均温度冷约20度绝对温度。
Polar mesospheric clouds are also known as noctilucent or “night-shining” clouds—a property that is clearly visible in this astronaut photograph.
极地中层云也被称为夜光云层（noctilucent）（就是在夜晚还闪光的云）。这一特点在这张太空照片上显露无疑。
This invention discloses a noctilucent leather ball. Its leather facing is photic, power supply and electric control luminous element are set in the ball.
本发明公开了一种夜光皮球，其皮面是透光的，球内设有电源和电控发光元件。
Pictured above earlier this month, a network of noctilucent clouds cast an eerie white glow after dusk, above the the city of Edmonton, in Alberta, Canada.
下图拍摄于本月上旬，图中是夜幕降临后，网状的夜光云给加拿大阿尔伯达省埃德蒙顿的夜空织出的奇异景色。
It is the season for viewing Polar Mesospheric Clouds, and with our high beta-angle we were able to capture this thin layer of noctilucent clouds at sunset (6-25-2010).
到了观看极地中气层云的时候，在太空中使用高β角度，我们能捕捉到日落时刻这层薄薄的夜光云。
In this paper, the illuminant principle and functional characters of rare earth noctilucent fibers were summarized, and then analyze its wearability and application area.
简述了稀土夜光纤维的发光原理及其功能特性，分析了该纤维的服用性能及应用领域。
Polar mesospheric, or noctilucent ("night shining"), clouds usually are seen at twilight, following the setting of the sun below the horizon and darkening of Earth's surface.
极地气层云，或者说晚霞，通常是那些在黎明前看到的云朵，伴随着地平线以下落幕的太阳和黑暗的地球表面。
Photographers and other sky watchers in Omaha, Paris, Seattle, and other locations have run outside to capture images of what scientists call noctilucent (”night shining”) clouds.
奥哈马、巴黎、西雅图和其它地区的摄影师及天空观察家们跑到野外去捕捉夜晚发光的云，科学家们称其为“夜光云”（noctilucent cloud)。
The sky over Omaha on July 14th, snapped by Mike Hollingshead at Extreme Instability 2. A rendering of the noctilucent clouds created from data obtained by Russel’s NASA project, AIM.
利用拉塞尔NASA项目获得的数据绘制的夜光云效果图。
The sky over Omaha on July 14th, snapped by Mike Hollingshead at Extreme Instability 2. A rendering of the noctilucent clouds created from data obtained by Russel’s NASA project, AIM.
利用拉塞尔NASA项目获得的数据绘制的夜光云效果图。
应用推荐