1·The more recent calcareous, or calcium carbonate, deposits that make up the tufa formations are closer to the bottom and lighter in color.
钙质或碳酸钙越近现代，所构成凝灰岩地层的沉积物越靠近底部，颜色也比较浅。
2·The calcareous white stones of the river Piave constitute this land.
皮亚韦河钙质的白色石头构成了这片土地。
3·Ten-armed oval-bodied cephalopod with narrow fins as long as the body and a large calcareous internal shell.
卵形身体的十肢头足类动物，窄的鳍和身体一样长，钙质内壳大。
4·All these indicate that calcareous algae can be an important source material for natural gases.
这表明钙质藻类可能是天然气的一种重要母质来源。
5·Basins in Jiangxi province mostly are red basins dominated by sandy conglomerate, and some conglomerate and sandstone with calcareous and ferruginous cementation.
省内盆地多为红盆，岩性以砂砾岩为主，其次为砾岩和砂岩，胶结物以钙质和铁质为主。
1·The typical and representative purple soils in Sichuan Basin are red purple soil (acidic), gray-brown purple soil (neutral), and red-brown purple soil (calcareous).
红紫泥、灰棕紫泥、红棕紫泥依次是四川盆地典型具有代表性的酸性、中性和石灰性紫色土。
2·Pot experiments and field trails were conducted to study the effect of soil lead levels on phytotoxicity, growth and tissue accumulation in soybean and rice grown on sludge treated calcareous soil.
采用盆栽和小区试验，研究在石灰性土壤上污泥施肥时铅污染对水稻和大豆生长发育的影响，两种作物对土壤中铅的吸收、迁移和累积规律。
3·Some 18 kinds of calcareous agricultural soils sampled were used to study phosphorus sorption characteristics.
选用18种性质不同的石灰性土壤，研究磷素吸附特性。
4·The agricultural and physiological efficiencies of grain yield were maximum in calcareous purple soil.
对小麦籽粒产量的农业和生理效率以石灰性紫色土为最高。
5·There were 1-3 or 10-20 calcareous corpuscles in a mature forming cell.
在一个成熟的成石灰小体细胞内有1 - 3或10 - 20个石灰小体。
1·The injuries and influences of injurious ingredients contained in carbide slags used as calcareous raw materials for the production of cement were indicated.
指出了利用电石渣作为石灰质原料生产水泥时电石渣中有害成分的危害和影响。
2·Colonization of a calcareous stripmine spoil by earthworms promoted incorporation of organic matter.
在石灰质露天矿引入蚯蚓，则促进有机物的结合。
3·Calcareous tufa, a porous or spongy deposit of calcium carbonate found in calcareous mineral springs.
多孔状凝灰岩石灰质的凝灰岩，碳酸钙多孔或有吸收性的沉淀物，出现在。
4·It is important to produce cement by using calcareous materials with high MgO content.
用含镁较高的石灰质原料生产水泥具有重要意义。
5·The walls of some algae differ, e. g. the silica boxes enclosing diatoms, and the calcareous layer on the cell walls of calcareous algae.
一些藻类的细胞壁的化学成分有所不同，例如硅藻属的细胞壁含有硅化物，石灰质藻类的细胞壁含有钙。