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Openai/68ea6819-acc8-8007-8d75-89f3929c1494
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==== 🧭 一、氣體性質與影響原理總覽 ==== | 項目 | 一般空氣 | 一般氮氣 | 冷凝乾燥氮氣 | | ----- | -------------------- | ------------- | --------------------- | | 主要成分 | 約78%氮氣、21%氧氣、1%水氣與微塵 | 純氮氣濃度約95%–99% | 純氮氣濃度99.99%,幾乎無水氣、無油氣 | | 水氣含量 | 高(相對濕度可達40–70%) | 低 | 幾乎為0%,經冷凝+乾燥處理 | | 壓力穩定性 | 熱漲冷縮明顯 | 壓力變化小 | 壓力最穩定,溫度變化影響最小 | | 滲漏速率 | 快(分子小且含氧氣) | 較慢(分子大) | 最慢(乾燥無水氣,不會滲出或氧化膠圈) | | 氧化與腐蝕 | 高,會氧化鋁圈與鋼絲 | 低 | 幾乎無氧化風險 | | 充氣成本 | 幾乎免費 | 低至中 | 較高(設備成本高) | | 應用範圍 | 一般道路用車 | 賽車、長途行駛車輛 | 高性能車、賽事車隊、航空、科研級用氣 |
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