| Change log entry 63675 | |
|---|---|
| Processed by: | richwarm (2017-05-30 11:03:39 GMT) |
| Comment: |
<< review queue entry 60154 - submitted by 'goldyn_chyld' >> Wp: 石灰華，又稱「鈣華」，是碳酸鈣含量較多的河流、湖泊或泉水所形成的碳酸鈣沉積物。 - 之所以人们常拿十六湖和九寨沟相比较，是因为两者都是由钙华钡围出的湖群 另一种使用的草酸，是在最后的抛光玛瑙，大理石，和钙华。 Another use of oxalic acid is in the final polishing of onyx, marble, and travertine . 这些浅灰色和象牙形的“钙华塔”，位于美国加州的莫诺湖，它们可能看起来像是令人毛骨悚然的艺术灌注物，然而它们是在自然界里由石灰岩所构成的。 These pale gray and ivory "tufa towers," located in California's Mono Lake, may look like eerie art instillations, but they occur naturally and are made of limestone. |
| Diff: |
+ 鈣華 钙华 [gai4 hua2] /(geology) tufa/travertine/ |