طبقة الاوزون

الكلوروفلوروكربون (Chlorofluorocarbon‏)

Keep going طبقة الاوزون 31 يناير 2013

هي عائلة من المركبات الكيماوية العضوية ظهرت في الثلاثينيات تتكون من الكلور و الهيدروجين و الفلور و الكربون ، كبديل غير قابل للاشتعال ، ...

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