尘埃

The Centre will continue in the pioneering traditions of astrobiology on panspermia, interstellar and cometary dust, meteorites from Mars, the connection between comets and terrestrial life, and comet-Earth interactions so on.

中心将继续在太空生物学方面的研究，包括胚种学，星际和彗星尘埃，火星陨石，彗星和陆地生物间的联系，彗星与地球间的关系等。

Even though the nebular material was ejected from the star many thousands of years ago, the close-in dust could be generated by collisions in a reservoir of objects analogous to our own solar system's Kuiper Belt or cometary Oort cloud.

虽然星云的物质在几千年前被抛射出去，星球附近的尘埃可能是附近的尘埃盘的碰撞所导致，有点类似於太阳系统的科伊伯带或是奥特云。

A large cloud of gas and dust begins to congeal gravitationally,starts rotating,and eventually flattens into an object called aprotostellar disk.

由气体和尘埃构成的巨大云团在引力的作用下开始凝缩，并且开始旋转，最终变平成为平面状物体，这种物体被称为原恒星盘。

In the engine room dust requests to be lower than 0.5um; Regarding starting when in engine room noise, when central control desk survey should be smaller than 70dB.

机房内的尘埃要求低于0.5um；对于开机时机房内的噪音，在中央控制台处测量时应小于70dB。

In this sharp composite from the Hubble Space Telescope, Fomalhaut's surrounding ring of dusty debris is imaged in detail, with overwhelming glare from the star masked by an occulting disk in the camera's coronagraph.

在这幅来自哈勃空间望远镜的精细合成图像中，北落师门周围的尘埃环的碎片能够精细展现，并且在相机的日冕观测仪下，能够观测到被一神秘圆盘遮蔽的恒星发出十分耀眼的光线。

Unaffected by process conditions such as: density, viscosity, conductivity, corrosiveness, vapors, turbulence, dust and changing pressure and temperature.

不受工艺条件，如：密度，粘度，电导率，腐蚀性，蒸气，湍流，尘埃和不断变化的压力和温度。

Moreover, corundum and periclase have not been detected in space dust before.

而且，此前在太空尘埃中还未侦测到刚玉和方镁石。

We have examined several of these as well as we can through the microscope in the Cosmic Dust Laboratory.

一旦我们能使用彗星尘埃实验室的显微镜，便检查了其中的一些。

We could have flashed by one another like two pieces of cosmic dust.

我们本来也可能像一闪而过的两粒宇宙尘埃一样失之交臂。

A whole new cosmic dust hunt will be on!

一个全新的宇宙尘埃搜索即将展开！

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。