cryptomelane 中文意思是什麼
cryptomelane
解釋
錳鉀礦-
Mineralogical characteristics study of natural cryptomelane in the xialei manganese deposit, guangxi
廣西下雷錳礦床中錳鉀礦的礦物學特徵 -
Natural cryptomelane ; manganese oxide octahedral molecular sieve ; occurence ; xialei manganese deposit in guangxi
天然錳鉀礦八面體分子篩產出特徵廣西下雷錳礦 -
The morphology of the natural cryptomelane crystals via sem showed short prismatic, needle - like and fibrous shapes with the diameters varying from few nanometers to hundreds nanometres
軸延伸,直徑幾nm至幾百nm集合體規則排列呈片狀板狀或放射狀晶體結構屬于單斜晶系,具有沿 -
In the supergene zones of xialei manganese deposit in guangxi, south china, there is abundant resource of natural cryptomelane, which is well known as a manganese oxide octahedral molecular sieve having a well - defined 2 2 tunnel structure oms - 2 with k
錳鉀礦是一種有孔道結構的錳氧化物八面體分子篩oms - 2 ,具有良好的催化氧化性和離子交換性。 -
90. 95. the phase transformation temperature of the natural cryptomelane was about 635. 5 examined by tga and dta and the cryptomelane was changed to bixbyite at a higher temperature. these studies reveal the significant features of cryptomelane for the potential application in the environmental materials science
K 3 . 37 % 4 . 17 %差熱熱重分析表明天然錳鉀礦的結構熱穩定性較好, 635 . 5時相轉變為方鐵錳礦。 -
This study was focused on the occurrence characteristics of the cryptomelane - bearing ores and the mineralogical characteristics of natural cryptomelane. the morphology, chemical and structure features of natural cryptomelane were characterized by means of powder x - ray diffraction, scanning electron microscopy, electron probe microanalyzer, energy dispersive spectrometer and x - ray fluorescence
利用x -射線粉晶衍射掃描電鏡電子探針電子能譜和x熒光光譜對天然錳鉀礦的形貌特徵化學成分結構特徵進行研究,結果表明天然錳鉀礦晶體形態主要為針狀纖維狀,沿
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