查询词典 meteorites

The large number of meteorites from Antarctica and the desert areas of Australia,Africa and North America changed the previous chondrite classification in recent years.

近年来在南极及澳大利亚、非洲和北美的沙漠地区发现和回收了大量的陨石，改变了以前的球粒陨石分类。

The average composition for our sample is different in some ways from the CI chondrite meteorites: namely we found more zinc, gallium, and copper, and less sulfur.

我们样品的平均成分水平在某些方面与 CI 球粒陨石不同：即我们发现有较多的锌、镓和铜及较少的硫。

By optical microscope and electron probe analysis,results of 100 meteorites show that two samples belong to special types,and the others are classified as ordinary chondrite s.

通过光学显微镜观察和电子探针测试，确定其中98块为普通球粒陨石。

If you look over the element ratios we measured, you might conclude that our comet particles look more like chondritic porous IDPs than CI chondrite meteorites.

如果你查看我们测定的元素比率，你将得出结论——我们的彗星颗粒看上去更接近多孔球粒陨石 IDPs 而不是 CI 球粒陨石。

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。

When the reporter stopped feeling countless mini-meteorites falling on his head and, instead, saw many pairs of legs flocking around his desk, he quickly yanked off a cuff button and clambered out from underneath the desk. He held up the button to show his colleagues. They were not convinced, but didn't want to pry into his privacy, so they all dispersed.

当好奇记者不再感觉有无数的『无形的小陨石』落在头上时，也看到了很多双男男女女的脚围绕在桌子旁边，好奇记者立刻扯下袖扣拿在手心从办公桌下爬出来，向同事展示手中的袖扣，同事们虽有疑惑但也不方便多问甚麼，大夥儿一哄而散。

Diopside is an important rock forming mineral in several metamorphic and basic to ultra basic igneous rocks, also found in meteorites.

透辉岩是形成矿物的一种重要的岩石，主要存在于变质岩与火成岩的基类与超基类中，也可在陨石中发现。

Observations by laser confocal microscope and determinations by electron probe revealed that neither carbonaceous chondrite nor enstatite chondrite were found among these meteorites.

经激光共聚焦显微镜观察，未查出碳质球粒陨石。经电子探针鉴定，也未发现顽火辉石球粒陨石。

The Grove Mountains expedition is one of the highlights of this expedition, after surveying and mapping personnel have conducted four times the Grove Mountains mapping, geology and glaciology comprehensive survey, field mapping of the Grove Mountains, the surface of the core area of 110 square kilometers topographic maps and maps of protected areas; emplaced 10 geodetic control points, seven ice-flow monitoring stations; the use of different resolution optical images, SAR images, carried out the distribution of the ice fissure information extraction research, production of the Grove Mountains region Flat satellite image maps, digital elevation models and a wide range of blue ice distribution maps, for my recovery to the 9834 Antarctic meteorites have made contributions.

格罗夫山考察是本次考察的亮点之一，此前，测绘人员已进行过4次格罗夫山测绘、地质与冰川学综合考察，实地测绘了格罗夫山核心区110平方千米表面地形图和保护区地图；布设了10个大地测量控制点、7个冰流速监测站；利用不同分辨率光学影像、SAR影像等，进行了冰裂隙分布信息提取研究，制作了格罗夫山地区平面卫星影像图、大范围数字高程模型及蓝冰分布图，为我国回收到9834块南极陨石作出了贡献。

The concentration of iridium in this way can be found in meteorites, the scientists put it linked to the extinction of dinosaurs.

这样浓度的铱在陨石中可以找到，因此，科学家们就把它与恐龙灭绝联系起来了。

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。