查询词典 pyrite

Having reviewed a large number of relevant literature in detail, combined with some research achievements at sandstone type uranium deposits in China and abroad, The authors try to make an overview of the role of sulphides, particularly the pyrite, in the reduction, precipitation and concentration of uranium at the redox front of sandstone type uranium deposits.

作者通过大量的相关文献的调研，结合国内外在砂岩型铀矿研究方面取得的成果，对硫化物，特别是黄铁矿在砂岩型铀矿氧化－还原前锋线附近铀还原、沉淀和富集过程中所起的作用提出了自己的认识。

The utilization of preparing iron oxide red by pyrite cinder, which can not only control the cinders pollution but also can supply the new technology and new material. It has preferable social, economic and environmental benefits.

利用硫铁矿烧渣生产氧化铁红，既解决了烧渣的污染问题，同时也为氧化铁红的生产提供了新原料和新工艺，具有较好的社会、经济及环境效益。

Tourmaline rock s widely occur within the pyrite deposits of the Proterozoic rift in the eastern part of Liaoning province, particularly in the pyritized sequences of the Gaojiayu formation of the Liaohe group.

电气石岩在辽东元古宙裂谷内的硫铁矿床中广泛发育，辽河群高家峪含矿建造中，富电气石岩主要与硫铁矿体成矿关系密切。

Pyrite type is imports, imports of iron ore from Thailand.

铁矿类则是进口，从泰国进口铁矿。

Generally, it is considered that P type of pyrite is usually formed in sulphur- rich hydrothermal fluids.

3一般认为，成矿溶液中富S有利于形成P型黄铁矿。

Dolomite rock occurrence, fabric, dolomite "bright margin" and "fog core" and the geochemical characteristic indicate that a number of Hongyan type pyrite deposits was correlated with the fluids formed by the compacting process of the sediments in basin.

白云岩产状和组构、白云石&亮边&和&雾心&特征及地球化学特征表明，红岩型诸矿床的成因与盆地沉积物压实过程形成的流体有关。

Shihu gold deposit in Hebei Province, belonging to pyrite sulfide type,is characterized by multistage mineralization,but the main stage of mineralization is almost coincident with the mass separation of sulfideThe sulfur in sulfide and mineralizing hydrothermal solution is derived from anatectic granitic magma.

河北省石湖金矿属于黄铁矿硫化物型金矿，具有多期次成矿的特点。但金的主要成矿阶段与硫化物的大量析出阶段在时间上基本一致。硫化物及成矿热液中的硫来自深熔花岗质岩浆。从微观结构和晶体学理论上对金的赋存机理进行了讨论。

Super large type sedimentary hydrothermal sulfide ore deposits, located in middle Qinling and west Yinshan mountains, has shown the multi metal and pyrite type deposit The deposits are shown sililay geo geochemistry characteristics to SEDEX sulfide deposits in middle Proterozoic and Paleeozoic Era in the world, i e , ore forming age were 1 4～1 2 Ga and 0 4～0 3 Ga ore bodies show more than 1 000 m long and multi layered distribution, the ore of sulfide rich show massive band...

地质地球化学特征与世界中元古界和古生界中的SEDEX 硫化物矿床基本相同：成矿时代为1－4 ～1－2 Ga 和0－4 ～0－3 Ga，均产于克拉通边缘盆地中；矿体延长达千米以上，具多层性特征；富硫化物矿石为块状条带状，矿物组合简单，有显著分带性；硫同位素组成为海相硫酸盐型，铅同位素为混合程度较高的均匀性铅等。

The territory of limestone, quartz rock, stone, such as pyrite have some reserves, the quality of river gravel to the county home first.

境内的石灰石、石英石、硫铁矿石等有一定的储量，河地沙砾质量居县第一位。

The traditional techniques of sulphuric acid production operate in steady state. The sulphur dioxide made from the sulphur or sulphur pyrite is converted into sulphur trioxide in one or more catalyst beds in a stationary converter.

传统的硫酸生产工艺是将硫磺或硫铁矿通过焙烧制得含SO〓的烟气，送入一段或多段定态转化器，将SO〓转化成SO〓，用浓硫酸吸收其中的SO〓制成硫酸。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷