subangular ['sʌb'æŋgjulə]

subangular的基本解释

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次棱角形的

与subangular相关的网络例句 [注：此内容来源于网络，仅供参考]

It shows that the reservoir rock consists of fine arkose and litharenite lithic feldspar, whose elastic granule appears subangular, compositional maturity is low and textural maturity is medium; the clastic rocks had experienced a series of complex diagenesis as compaction, cementation, pressure solution and dissolution; and the sandstones are of low porosity and low permeability.

结果表明，该储集岩为细粒的长石砂岩和岩屑长石砂岩，颗粒呈次棱角状，成分成熟度普遍较低，结构成熟度中等－较好；经历了压实、胶结、压溶和溶解等一系列成岩作用；储集岩具有低孔、低渗的特点。

Both the a-axis and ab-plane dip towards the downstream , the dip angles of the a-axis are low and concentrated, being 7—8°,the ab-plane dips at 7～21°, and the a-axis has more preferred dip of fabrics than the ab-plane; the peak of the grain-size frequency distribution curve of deposits in the Lushan area is in the range of 4 and 5 φ;The quartz sand grains are subangular and have well-developed conchoidal fractures, parallel striatio ns, upturned cleavage flakes,"V"-shaped holes and siliceous deposits.

摘 要：庐山第四纪泥砾沉积物的砾石组构特征表明，砾石岩性与山体基岩基本一致，砾石的等体积球径较小，加权平均砾径较中值砾径大，分选系数大于1，分选性差，φ值相对较小，平均为0.66，F值相对较大，在2左右，F/φ比值介于2.75～4.75，ρ值集中且较小，为22.75%～37.75%，砾石以棱角、次棱角状为主，磨圆较差；a轴和ab面都倾向沟谷下游，a轴倾角集中且较小，为7～8°，ab面倾角为7～21°，a轴较ab面具有更为优势的组构倾向；沉积物粒度频率曲线在4～5Φ范围内表现为峰；石英砂颗粒为次棱角状，贝壳状断口发育，具平行擦痕、上翻解理片、V形坑和硅质沉淀。

They are characterize by irregular and subangular with sandy filling or no filling,and some of them are jointable.

经研究，金顶矿区存在两种成因的角砾岩：构造-膏溶角砾岩和底辟-侵位角砾岩。

The quartz grains are subangular shape, and there are dish-shape impact pits or polished surface under water environment in their surface.

石英砂表面特征为磨圆较差，有蝶形坑和水下磨光面，说明玛纳斯河湖积平原沉积环境在气候干燥时曾出现过为风力堆积。

Types of surface textures are: angular, subangular, subrounded, rounded, cracked, crushed and felted.

表面特征类型有：棱角状、次棱状、次园状、园状、破裂状、碎裂状和毡毛状等微表面特征。

与subangular相关的网络解释 [注：此内容来源于网络，仅供参考]

subangular：稍有棱角的

subacute 略尖的 | subangular 稍有棱角的 | subconical 略作圓錐形的

subangular：半稜角状

半老年期陸地 senesland | 半稜角狀 subangular | 半亮煤 semibright coal

subangular grain：次棱角状颗粒

subambient temperature 低温 | subangular grain 次棱角状颗粒 | subangular gravel 次棱角状砾石

subangular grain：次棱角状颗粒,略有棱角颗粒

次铝质岩 subaluminous rock | 半棱角状 subangular | 次棱角状颗粒,略有棱角颗粒 subangular grain

subangular gravel：次棱角状砾石

subangular grain 次棱角状颗粒 | subangular gravel 次棱角状砾石 | subangular-grained 次棱角状颗粒的