事实上已经有先例摆在我们的面前了，在1909年，一位名叫Fritz Haber的德国化学家发现了一种生产氨的方法：将氮(从空气中分离得到)和氢结合在一起。
Indeed, there is a telling historical precedent. In 1909 Fritz Haber, a German chemist, discovered a new way to combine nitrogen from the air with hydrogen to produce ammonia.
另外，热处理气氛、化学组成以及氮的来源都对氧氨玻璃的析晶产生影响。
In addition, the atmosphere in heat treatment, chemical composition and different sources of nitrides can influence the crystallization of oxynitride glasses.
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