查询词典 sedimentary rocks

In the American Midwest, for instance, there are several sedimentary stones, but metamorphic and igneous rocks are less common.

在美国中西部，例如，有几个沉积石块，但变质和岩浆岩较不常见。

Hydrocarbons commonly occur in sedimentary basins and are absent from intervening areas of igneous and metamorphic rocks.

在沉积盆地中，碳氢化合物很常见，而在间杂的火成岩与变质岩中则找不到。

The corundum is widespread, and is found as barrel shaped crystals, large blocks or rounded grains in igneous, sedimentary and metamorphic rocks.

刚玉是普遍的，并发现为每桶形晶体，大块或圆形颗粒在火成岩，沉积岩和变质岩。

The corundum is widespread, and is found as barrel shaped crystals, large blocks or rounded grains in igneous, sedimentary and metamorphic rocks.

刚玉是普遍的，并作为每桶发现形晶体，大块或圆形颗粒火成岩，沉积岩和。变质岩

The hydrogen isotopic composition of heavy hydrocarbon of natural gas is closely related with the sedimentary environments of source rocks.

即随着烃类碳数的增加而富集重同位素。同时天然气重烃的氢同位素组成也主要与源岩的沉积环境有关。

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。