tóng-àn:Gallium crystals.jpg

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     由於本圖像的長寬比為4:3或5:4，因而適合作為一幅電腦桌布（參見畫廊）。
 該圖片曾為德文維基百科的特色圖片(Exzellente Bilder)。它曾被認定為最佳圖像之一。

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Khài-iàu

Soat-bêng
English: Crystals of 99.999% gallium.
Slovenščina: Kristaliziran galij.
Ji̍t-kî 2004年11-goe̍h11日
Chhut-chhù Ka-tī chò--ê
Chok-chiá en:user:foobar

Crystals of 99.999% gallium, grown and photographed by myself in February 2003. These particular crystals took about 45 minutes to grow, sitting in a plastic dish near a cool window.

The lumpiness on the surface of these crystals is caused mainly by me shifting the dish around to monitor the progression of the crystal growth. Crystals (of any material) need to be totally undisturbed in order to grow perfect, large, smooth facets. Each time I moved the liquid around, it interrupted the crystal growth. The "lumps" are actually tiny crystals that started growing on the larger facets, but got smoothed over due to the liquid motion.

If I had placed this in a vibration-damped sandbox (similar to a holography table) and not disturbed it, the crystals would have been even larger, more coherent, and more stunning ;)

1024x768 PNG (makes a nice desktop wallpaper) from: en:user:foobar

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說明

添加單行說明來描述出檔案所代表的內容
Crystals of 99.999% gallium.

在此檔案描寫的項目

描繪內容 繁體中文

Gallium

著作權狀態 繁體中文

有著作權 繁體中文

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2004-nî 11-goe̍h 11-ji̍t (pài-sì) 20:102004-nî 11-goe̍h 11-ji̍t (pài-sì) 20:10 bēng-buōng gì sáuk-liŏk-dù640 × 480（51 KB）Greatpatton

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