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碳氟磷灰石

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SEM studies of all the three types demonstrate that this colloidal mineral is made up primarily of supermicroscopic low-carbonate fluorapatite aggregates, phosphate microframboids, and radiated fibrous apatite.

对不同矿石类型中胶磷矿做扫描电镜研究,得知胶磷矿主要由超微晶低碳氟磷灰石集合体、磷酸盐显微莓群以及纤维放射状磷灰石等构成。

The upper layer, with homogeneous composition, is mainly composed of intact phosphatic foraminifer fossils and nannofossils as well as abiotic carbonate fluorapatites, representing the biologic and autogenic origin. However, the lower layer, with visible metasomatic texture and relatively high Si, Al, K and Fe, is notably different from the upper one, and seems to have been formed mainly by replacement of carbonates.

上层磷酸盐由大量形态结构清楚的磷酸质有孔虫和超微化石以及非生物碳氟磷灰石组成,成分均一,杂质少,表现出生物成因和原生白沉积特点;下层磷酸盐变化复杂,具有特征的交代结构,混杂较高的Si、Al、K、Fe成分,显示以磷酸盐交代碳酸盐成因为主。

Studies show that the average ratio of w/w(P2O5)(1.62) of phosphates in submarine guyots is the same as that of w/w(P2O5)(1.621)of carbonate-fluorapatite, but is obviously different from that of w/w(P2O5)(1.318)of fluorine_carbonate, suggesting that the phosphates from northwestern Pacific are species of carbonate_fluorapatite.Three types of microneedle-microcolumnar, microgranular and microcryptocrystalline carbonate_fluorapatite with different abundances have been found.

海山磷酸盐的平均化学成分w/w(P2O5)(1.62)与碳氟磷灰石的w/w(P2O5)(1.621)几乎一致,而与氟磷灰石的w/w(P2O5)(1.318)相差甚远,表明海山磷酸盐为碳氟磷灰石,其形态主要有针状_柱状微晶碳氟磷灰石、粒状微晶碳氟磷灰石及显微隐晶质碳氟磷灰石3种类型,它们在分布丰度上存在差异。

推荐网络例句

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发,分析对称连杆曲线上鲍尔点的产生条件,提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品,年生产总值3000万美元,产品价廉物美、选料上乘、质量保证,深受国内外客户的青睐

The eˉtiology of hemospermia is complicate,but almost of hemospermia are benign.

血精的原因很,以良性病变为主。