本发明这种氨基的保护方法是使其生成一种稳定的结构，不能再还原为氨基。
The method can ensure that the amino end groups can form a stable structure, so that the amino end groups cannot be reduced as amino groups.
拼图魔方的六个面上印有图案，转动小立方体便可将图案打乱，然后再还原。
The six surfaces of the picture Mosaic magic square are printed with patterns. When the small cubes are rotated, the patterns are disturbed. Then the patterns are recovered.
本课题对双分级再还原低氧化氮技术进行了试验、数值模拟及反应机理简化的研究。
The study of double staged and deoxidized technology by means of experimental, numerical simulation and reaction mechanism methods has been performed in this paper.
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