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石灰
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Wiki content for 石灰
石灰
- 石灰是生石灰的俗稱,主要成分是氧化鈣(CaO)。把生石灰和水混合產生化學反應,就會產生出熟石灰(消石灰,學名氫氧化鈣(Ca(OH)2)。熟石灰在一升水中溶解1.56克,它的饱和溶液称为石灰水,呈碱性,與二氧化碳產生化學反應後,就會產生碳酸鈣(石灰石,CaCO3),碳酸钙加热后进行热分解反应,又形成氧化钙(CaO)和二氧化碳(CO2)。
石灰岩
- 石灰岩(灰石)(CaCO3)简称灰岩,又叫石灰石,是以方解石(礦物)为主要成分的碳酸鈣岩。石灰岩主要是在浅海的环境下形成的。石灰岩按成因可划分为粒屑石灰岩(流水搬运、堆積形成);生物骨架石灰岩和化学、生物化学石灰岩。
石灰水
- 石灰水(英語:limewater,此處中的“lime”是指石灰而並非青柠)是氢氧化钙的饱和溶液的通俗名称。氢氧化钙,即Ca(OH)2,微溶于水(25°C时溶解度为1.5 g/L。)纯石灰水是无色澄清的溶液,有一种轻微的泥土气味和氢氧化钙的苦涩碱味。
石灰岩捕虫堇
- 石灰岩捕虫堇(學名:Pinguicula gypsicola),是捕蟲堇屬的一種多年生食蟲植物,原产于墨西哥圣路易斯波托西州。它生長在石膏礦的縫隙間或腐爛的石膏土中,没有茎部,只有狭长的叶片呈蓮座狀生長。
石灰花楸
- 石灰花楸(学名:Sorbus folgneri)为蔷薇科花楸属的植物,为中国的特有植物。分布于中国大陆的安徽、甘肃、广西、四川、陕西、广东、河南、云南、贵州、江西、湖北、湖南等地,生长于海拔800米至2,000米的地区,一般生长在山坡杂木林中,目前尚未由人工引种栽培。
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石灰 in chinese pronunciations with meanings, synonyms, antonyms, translations, sentences and more.