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Date: 15-2-2019
1982
Date: 8-2-2019
1529
Date: 8-2-2019
1525
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A natural source of nitrogen oxides occurs from a lightning stroke. The very high temperature in the vicinity of a lightning bolt causes the gases oxygen and nitrogen in the air to react to form nitric oxide.
The nitric oxide very quickly reacts with more oxygen to form nitrogen dioxide.
Both of the nitrogen compounds are known collectively as nitrogen oxides or NOx
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علامات بسيطة في جسدك قد تنذر بمرض "قاتل"
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أول صور ثلاثية الأبعاد للغدة الزعترية البشرية
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العتبة الحسينية تطلق فعاليات المخيم القرآني الثالث في جامعة البصرة
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