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by
xiu929.std xiu929.std
8 years ago
440
空氣
空氣中包含多種氣體成分,其中氮氣、氧氣和惰性氣體是主要組成部分。氮氣在工業和食品包裝中被廣泛使用,並且是製造氨及肥料的重要原料。氧氣對於生命至關重要,還應用於醫療和工業領域。惰性氣體如氬氣、氦氣和氖氣因其化學性質穩定,被用於多種用途,例如氦氣常作為氣球的填充氣體,而氖氣則用於製造發出紅光的霓虹燈。二氧化碳在自然界和工業中也扮演重要角色,但其過量排放會導致溫室效應,對環境造成負面影響。
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