siderite 中文意思是什麼
siderite
解釋
n. 名詞 【礦物】菱鐵礦；隕鐵。-
Industrialization of research achievements on mineral processing of siderite and limonite : problems and countermeasures
某難選硫化銅礦浮選新工藝研究 -
Huangmei has a rich reserve of underground minerals, 15 sorts are proven to have exploitation value, of which, limonite and siderite have a reserve of 58 million tons, the tenor is around 45 %, being concentrated ; quartz is of 100 million tons ; gypsum mine is 270 million tons ; barite is 500, 000 tons and silex of 10 million tons ; porcelain clay, limestone, shale and granite are extensively distributed and of large reserve
黃梅地下礦產豐富，已探明有開采價值的礦產資源15種，其中褐鐵礦、菱鐵礦儲量5800萬噸，品位45 %左右，分佈集中；石英礦1億噸；石膏礦2 . 7億噸；重晶石50萬噸；硅石1000萬噸；瓷土、石灰石、頁巖石、花崗巖分佈廣、儲量大。 -
Study on thermal decomposition kinetics of siderite
菱鐵礦熱分解動力學研究 -
Guangxi nandan siderite
廣西南丹鐵隕石guangxi nandan siderite -
Study on the stratification and critical size in siderite heattreatment
菱鐵礦熱處理分層現象及臨界線度的研究 -
The results indicate that the jade mainly consists of illite and a small quantity of feldspar, quartz, hematite, siderite and rutile, which is argillaceous sedimentary rock
結果表明，其礦物成分以伊利石為主，含有少量的長石、石英、赤鐵礦、菱鐵礦和金紅石，為泥質沉積巖。 -
Including model th - 2 zinc silicate primer, th - 11 type epoxy zincrich paint, th - 12 type epoxy siderite intermediate coat, th - 17 type polyurethane coating of all kinds of varieties, th - 22 type modified epoxy pitch glass squama coating, etc. it has reliable quality and long antiseptic life, it is the ideal protection coating for large - scale steel construction
包括th - 2型硅酸鋅塗料、 th - 11型環氧富鋅塗料、 th - 12型環氧雲鐵中間漆、 th - 17型各色聚氨脂塗料、 th - 22型改性環氧瀝青玻璃鱗片塗料等。質量穩定可靠，防腐壽命長，是大型鋼結構理想的防護塗料。 -
4 ree geochemistry of fluorite, siderite, quartz, magnetite, calcite in ores mainly controlled by ore - forming fluids, in contrasting to those of the metamorphic minerals which controlled by crystal structure. the ore - forming fluids of initial stage show larger lree / hree fractionation than that of later stage. a narrow range of 6 ~ 4s valus for early stage chalcopyrite ( - 0. 3 to 2. 8 ) suggested that s originated from the mantle and the 6 13c and 8 18o valus of siderite range from - 11. 17 to - 15. 37 % and from 8 ~ 9. 1, respectively, it indicates that the c and o of ore - forming fluids were derived from the magma or organogenous sediment
6 、昆陽群因民組地層中出現的稀土富集、成礦與我國的白雲鄂博稀土ree一fe一nb超大型礦一床和澳大利亞的olympicdamcu一u一au一ag一ree超大型礦一床，在成礦時代、產出大地構造背景、成礦物質來源等方面具有較大的相似性，均體現成礦受控于中元古代1
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