變堇青石 的英文怎麼說
中文拼音 [biànqīngdàn]
變堇青石
英文
aspasiolite-
Mas precursor powders are prepared using aluminium sulfate, colloidal silica, and magnesium nitrate as raw materials via sol - gel methods, dsc - tg and xrd show that the mas precursor powders transform to cordierite completely at 1300
以硫酸鋁、硝酸鎂和硅溶膠為原料，採用溶膠-凝膠法，制得mas先驅體粉末， xrd表明，該粉末經1300的熱處理后，完全轉變為堇青石。Iolite was the world s first polarizing filter, used to determine the exact position of the sun and navigate safely to the new world and back. the name iolite comes from the greek ios, which means violet. when cut properly, iolite is a stunning purplish blue color with a beautiful and attractive softness
堇青石的顏色很像緬甸所產出的藍寶石且又因為它常含有水，所以又稱之為水藍寶石，更因為它具有藍寶石的顏色及光澤且價格又比藍寶石便宜很多，因此更被戲稱為窮人家的藍寶石，堇青石的能量是相當穩定的且不能以加熱的方式來改變它的顏色是一種貨真價實的寶石。The results of mas nmr analysis indicate that the crystalline structure of cordierite was considerably changed by the incorporation of the zn2 ions or ti " " ions, leading to the partial transition from a - cordierite with a hexagonal crystalline structure to p - cordierite with a orthorhombic crystalline structure
2al2o3 ? 4 . 6sio2堇青石固溶體樣品的結構。 masnmr研究結果表明， zn2 + 、 ti4 -的固溶對樣品中的堇青石結構具有重要的影響，使得樣品中的堇青石由六方結構-堇青石向四方結構-堇青石轉變。
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