The initial discharge capacities of samples at room temperature and elevated temperature (55℃) are 128.2 and 125.0mAh/g respectively. After 50 cycles, the retentions of capacity are 90% and 68%. The spherical spinel LiMn2O4 both have high specific capacity and excellent cycleability.

室溫和高溫條件下首次放電比客量分別為128.2和125.0mAh/g91另类视频在线观看，50次循環(huán)后容量保持率分別為90%和68%，球形LiMn2O4在室溫和高溫下均具有較高的比容量和優(yōu)良的循環(huán)性能。

Together with similar data for pyroxenes, garnet and spinel, we interpret this to imply that most carbon must be present as a separate phase in the deeper parts of the upper mantle, probably as a carbonate phase.

可能發(fā)生的情況是：在地幔深層一個(gè)富含碳的部分所出現(xiàn)的一次大型溶解事件，會(huì)迅速將大量CO2從這里的碳庫(kù)中輸送到大氣層中电影一级毛片，這與認(rèn)為一些全球性物種滅絕事件可能是由大型火山活動(dòng)后CO2的突然釋放引起的觀點(diǎn)是一致的。

Our main product include cubic zirconia, synthetic ruby, synthetic sapphire, synthetic spinel, glass diamond, glass, jewel bearings, etc. At the same time, we produce and process natural gems like peridot, garnet, white topaz, rock crystal, amethyst, citrine, coral, tourmaline, etc.

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Our main product include cubic zirconia, synthetic ruby, synthetic sapphire, synthetic spinel, glass diamond, glass, jewel bearings, etc. At the same time, we produce and process natural gems like peridot, garnet, white topaz, rock crystal, amethyst, citrine, coral, tourmaline, etc.

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It is called the cobalt spinel which was found in Sri Lanka.

這就是所謂的鈷尖晶石被發(fā)現(xiàn)在斯里蘭卡网址性av。

There are common spinel group minerals with chemical substitution between the end members ; MgAl2O4, FeAl2O4, ZnAl2O4, MnAl2O4 and FeCr2O4.

這些尖晶石族礦物中日韩专区视频，鎂尖晶石可以形成寶石級(jí)的透明的晶體。如果含有鋅日本高清视频在线观看Aⅴ，會(huì)變成深色亚州+日韩+国产+无码，不過(guò)還叫做鎂尖晶石。

In this article, the spinel with both four groups of six-pointed star and three groups of four-pointed star have been studied by means of conventional gemmological techniques, Raman spectroscopy and electron probe.

利用常規(guī)寶石學(xué)技術(shù)怕怕网站免费观看、拉曼光譜技術(shù)和電子探針對(duì)具有多組六射星光和四射星光效應(yīng)的尖晶石進(jìn)行了研究免费A片视频小草，發(fā)現(xiàn)由于存在多組定向排列的針狀包裹體，使尖晶石產(chǎn)生多組星光效應(yīng)国产高清在线视频一区二区。

Case in point: the Black Prince's Ruby on the British Imperial State Crown is a magnificent 170-carat red spinel.

例證：黑色太子紅寶石英帝國(guó)的皇冠是一個(gè)宏偉的國(guó)家170克拉紅色尖晶石久操依人。

Pale yellowish green spinel from Umba Valley, Tanzania on the right photo is unique and was never reported before.

看海的博客：elf630.blog.sohu.com右邊的照片中的黃綠色更是稀有的綠色。

From end of 1990's, Ilalakaka alluvial deposit of Madagascar has been known as the major spinel of fantastic shades.

1990年末男人的天堂综合网，在馬達(dá)加斯加的依拉卡卡地區(qū)發(fā)現(xiàn)大量的顏色豐富的尖晶石农村一级无码，這里逐漸成為優(yōu)質(zhì)尖晶石的主要產(chǎn)地。