尘埃

This will be the very first time that we actually bring cometary samples back to Earth, said Mr.

这将是我们首次把彗星尘埃带回地球。

Good news! We just released the findings from our preliminary analysis on the cometary side.

好消息！我们刚刚发表了来自彗星尘埃初步分析的发现。

For more information on the Stardust mission itself, and what has been learned from the cometary dust collected by Stardust, please visit these websites

关于星尘任务本身更多的信息，以及从彗星尘埃收集器学到的更多内容请访问下面的网站

Stardust's cometary and interstellar dust samples will help provide answers to fundamental questions about the origins of the solar system.

星团的采样的彗星和星际尘埃样本将有助于回答关于太阳系起源的一些基本问题。

The structure of cometary dust tails is studied in the frame of mechanical theory with special regards to threedimensional treatment of the problem.

考虑粒子的三维运动及其运动范围，使过近日点后的尘埃彗尾出现一"颈线结构"。

We do have a flight spare that we could practice with, but we know from our experience with the cometary aerogel that it has changed somewhat in space; it has become more brittle .

我们确实有大量可供练习的备用品，但是我们从彗星尘埃的凝胶那里得到的经验是：凝胶在太空里发生了一些变化，变得更加易碎了。

And in some ways this looks consistent with the mineralogy/petrology studies that have been done on the cometary Stardust samples – I'll cover that paper too.

从某种意义上说这看起来与对彗星尘埃进行的矿物/岩石学研究相一致，我会报到那篇论文的。

In addition, Stardust carried an equally important payload on the opposite side of the cometary collector: the first samples of contemporary interstellar dust ever collected.

此外，星尘号彗星收集器的背面还携带着同样重要的载荷：第一次采集到的同一时期星际尘埃样品。

In January 2004, the Stardust spacecraft flew through the coma of comet Wild2 and captured thousands of cometary dust grains in special aerogel collectors.

在2004年1月，星尘号飞船从"怀尔特2"彗星的彗发中穿过并用专门的气凝胶收集器捕获了数千彗星尘埃颗粒。

Much of Cooke's work at NASA involves computer-modeling of cometary debris streams--long rivers of dust shed by comets as they orbit the sun.

库克在 NASA 的主要工作就是用电脑模拟彗星的尘埃流---彗星环绕太阳飞行时抛撒的尘粒形成的"长河"。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。