查询词典 igneous rock

A form of igneous rock consisting of extremely coarse granite resulting from the crystallization of magma rich in rare elements.

一种火成岩，由富含稀有元素的岩浆结晶而成的极粗的花岗岩构成。

According to the reservoir characteristics of igneous rock at Luo-151 well, appropriate methods are applied to evaluate the information of this region.

根据沾化凹陷南部罗151井区的火成岩储层特点，提出了适合该区的信息评价方法。

Except for HIMU-type OIB with negativeΔ7/4 ratios in the Wandashan massif, all other rocks have positiveΔ7/4 andΔ8/4 values, a feature of the Laurasia continent in the Northern Hemisphere.2 In the southern Hinggan Mountains distributes a Cretaceous felsic igneous rock belt characterized by highly positive-ε_ T_(DM = 0.42～0.64Ga,ε_ =+4.0～+5.9 and radiogenic Pb ~(206Pb/~(204)Pb = 18.36 ~ 18.56 isotope compositions.

除完达山外来拼贴地体的HIMU型OIB具有负的△7/4值，东北地区中生代火成岩都为正的△7/4和△8/4值，显示出亲北方劳亚大陆的岩石圈属性。2在大兴安岭南区林西-霍林河地区存在一条近似平行索伦-贺根山-小兴安岭古缝合带的高ε_早白垩世中酸性火山岩组合。

As a foundation of reservoir and the geologic condition of forming hydrocarbon reservoir research and in the light of control degree of trap well drilling , sub-control reserves and predicting content, hydrocarbon resources is evaluated, what provides theory foundation and technique method for igneous rock reservoir valid development.

在储层及油气成藏地质条件分析研究基础上，依据圈闭钻井控制程度，分控制储量和预测含量对油气资源量进行了评价，为火成岩油气藏的有效开发提供了理论依据和技术方法。

On the traditional electrical property parameter apparent resistivity curves, besides compact fine sandstone, igneous rock and limestone have obvious high-ohmic anomaly, there are no obvious electrical property difference between coal and wall rocks, the curve almost show itself a straight line; self-potential log also can hardly to reflect regularities.

常规的电性参数视电阻率曲线除致密的细砂岩、火成岩及灰岩有明显的高阻异常反映外，煤与围岩无明显的电性差异，曲线几乎呈一条直线；自然电位参数曲线反映规律性也较差。

An igneous rock consisting chiefly of pyroxene and nepheline.

火成的由熔化的岩石形成的固体岩石的，或与其有关的；火成的

Cooled pahoehoe Hawaiian lava solidifies into igneous rock with a ropelike pattern.

水冷式pahoehoe夏威夷火山熔岩凝固成火成岩与ropelike格局。

Pegmatite is a kind of giant grain or coarse-grained structure of the igneous rock, Changcheng vein of output, and the distribution of clusters.

伟晶岩是一种具有巨粒或粗粒结构的火成岩，常呈脉状产出，并成群分布。

Plutonic igneous rock having visibly crystalline texture.

深成火成岩石，有明显的晶体纹理。

Plutonic igneous rock having visibly crystalline texture; generally composed of feldspar and mica and quartz

n。 花岗石纹的法琅铁器，花岗石花纹的陶器

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。