查询词典 carbonate-apatite

The mineral trona, a compound of sodium carbonate and bicarbonate, is one naturally occurring alkali. It may be mined or recovered from dry lake bed s.

世界上有少数地方有矿物天然碱，这种矿石为二碳酸三钠，即碳酸钠石，通常蕴藏在干湖底。

The mineral trona, a compound of sodium carbonate and bicarbonate, is one naturally occurring alkali. It may be mined or recovered from dry lake beds.

世界上有少数地方有矿物天然碱，这种矿石为二碳酸三钠，即碳酸钠石，通常蕴藏在干湖底。

The mineral trona, a compound of sodium carbonate and bicarbonate, is one naturally occurring alkali. It may be mined or recover ed from dry lake beds.

世界上有少数地方有矿物天然碱，这种矿石为二碳酸三钠，即碳酸钠石，通常蕴藏在干湖底。

The mine ral trona, a compound of sodium carbonate and bicarbonate, is one naturally occurring alkali. It may be mine d or recovered from dry lake beds.

世界上有少数地方有矿物天然碱，这种矿石为二碳酸三钠，即碳酸钠石，通常蕴藏在干湖底。

Tufa, a porous or spongy deposit of calcium carbonate found in ''.

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，出现在石灰性矿物泉中

Before this alkaline lake went dry, tufa formed when a freshwater spring percolated from below and formed calcium carbonate deposits.

在此之前，碱性湖泊变为干燥，钙华形成时，淡水喷泉过滤从下面，并形成碳酸钙的沉淀。

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''。

Tufa form when underwater springs rich in calcium meet lake water rich in carbonates, forming calcium carbonate, or limestone.

当富含钙质的地下水接触到富含碳酸盐的湖水时，就形成了碳酸钙或者花岗岩，进而形成石笋。

The determination of chloride in industrial strontium carbonate by turbidimetry with spectrophotometer is described.

采用目视比浊法测定工业碳酸锶中的氯化物，若溶液有色，准确定量非常困难。

The effects of dimethyl carbonate as an oxygenate additive in diesel f uel on fuel characteristics,engine performances and emissions are studied.

研究了用碳酸二甲酯作为含氧燃料添加剂对燃料性质及柴油机性能和排放的影响。

Finally it offers the analysis of the fault-tolerance system as well as its test verification.

这样，运行于空间环境中的系统的设计目标就是在保证系统实时性

However, it is still difficult to find out the real reason of the increase of the keratinized gingiva during the orthodontic extrusion whether it is due to the proliferation of the gingival tissue or to its elastic nature, that is because the proliferation of the fibroblasts as well as the connective tissue changes in volume and the intra-fibers spaces were all immeasurable in most of the studies.

然而，仍然难以找到真正的原因增加的角化牙龈在正畸挤压它是否是由于扩散的牙龈组织或其弹性性质，这是因为增殖的成纤维细胞以及作为结缔组织的变化量和内部纤维空格都是不可估量的，大多数的研究。