1)  of calcium substance
钙质
2)  calcareous sandstone
钙质砂岩
1.
Discussion on distribution characteristics of calcareous sandstone in Shihongtan uranium deposit and its genesis;
十红滩铀矿床钙质砂岩的分布特征及成因探讨
3)  calcareous interbeds
钙质夹层
1.
Origin of calcareous interbeds and its significance of sequence stratigraphy in Junggar Basin;
准噶尔盆地钙质夹层成因及层序地层学意义
2.
This paper considers the formation causes of calcareous interbeds, shale resistivity differences and the relation of reservoir resistivity to altitude, on the basis of log curve morphological characteristics, core observation, founding slice, X-diffraction a.
通过测井曲线形态特征、岩心观察、铸体薄片、X衍射、扫描电镜分析、FMI测井资料,对工区内钙质夹层成因、泥岩电阻率差异、储层电阻率和海拔深度关系进行了研究。
4)  calcareous incrustation
钙质结壳
1.
Formation mechanism of calcareous incrustation in lenticular sandbody of the Shahejie Formation of Paleogene and its influence on hydrocarbon accumulation in Dongying Sag;
东营凹陷古近系沙河街组砂岩透镜体钙质结壳形成机理及其对油气成藏的影响
5)  calc-flux
钙质熔剂
1.
For exploring optimum flux structure and achieving biggest profit, the industrial experiment has been done by means of replacing light-burned magnesian limestone by magnesian limestone as magnesian flux under the condition of using lime as calc-flux.
为探索最佳的熔剂结构,追求整体效益最大化,在钙质熔剂为生石灰的条件下,镁质熔剂以白云石取代轻烧白云石进行了工业试验。
6)  calcareous nanofossils
钙质超微
1.
Ten genera of calcareous nanofossils such as Coccolithus and Reticulofenestra have been discovered in terrestrial sediments of Cenozoic-present salinized lakes from fifteen places in northwest and northeast China.
在我国西北和东北15个地区新生代一现代陆相成化湖沉积物中,发现钙质超微化石Coccolithus、Retic-ulofenestra等10个属。
参考词条
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。