1) calcareous soil
钙质土
1.
Application of flat dilatometer test to mechanical characteristics evaluation of calcareous soil in shallow water;
扁铲侧胀试验在浅海钙质土力学特性评价中的应用
2.
The present condition and development in studying static and cyclic properties ofcalcareous soils are explained based on Chinese and foreign data.
综述了国内外对钙质土静、动力学性质研究的现状与进展,得到有关结论并提出今后应加强研究的方向。
3.
The investigation on the calcareous soil s faunal diversity in 5 different habitats of Yongzhou,Hunan Province showed that a total of 2 024 soil animals were observed,which belonged to 4 phylums,10 classes,and 30 orders.
对湖南永州5种不同生境条件的钙质土土壤动物多样性进行了调查。
2) calcic-clay
钙质粘土
1.
Uniaxial compressive strength test and split test are carried out for frozen calcic-clay.
对冻结钙质粘土的单轴抗压强度及劈裂试验的结果是,对冻结钙质粘土地层,其埋深小于400 M,相邻冻结孔最大间距一般控制在2。
3) malm
[英][mɑ:m] [美][mɑm]
钙质沙土
4) terra cariosa
钙质细土
5) calcic xerosol
钙质旱土
6) calcareous sands
钙质砂土
补充资料:钙质海绵纲
钙质海绵纲 Calcarea 多孔动物门的一纲。以具碳酸钙构成的骨针为主要特征。钙质海绵全部海产,大多生活在沿岸浅海,体型一般很小,常呈暗灰色或灰色。骨针顶端常突出体外,致使海绵呈刺状;典型的钙质海绵为辐射对称的瓶状,顶端是出水口,常被竖立的长单轴骨针围绕,称出水口繸。骨针大小不一,但在分类学上都算作大骨针,有3种基本型:单轴骨针、三辐骨针和四辐骨针,形状多种多样。钙质海绵纲分成钙质海绵亚纲和石灰海绵亚纲。 钙质海绵在地层中的出现晚于寻常海绵(见寻常海绵纲)和六放海绵(见六放海绵纲)。 |
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条