Methods On the standpoint of the peculiar anatomic structure and the pathological changes of complex airway stenosis, we designed the inverted Y-shaped self - expandable metal stent.
方法根据气道复合狭窄的特殊解剖结构与病变特点，设计气道倒y型一体化自膨胀式金属内支架。
When the metal wall is completely open, it turns a flat wall into a complex metal structure like a blooming metal flower, in memory of the punk and R&B culture.
当这个金属墙完全打开，它就从一面平整的墙变成一个像盛开的金属花朵一样复杂的金属结构，以此来纪念庞克和R&B文化。
Results prove that the degree of decoloring varies decreasingly with the dye structure in the(following) sequence: azo dyes, anthraquinone dyes, metal complex dyes, and cationic dyes.
结果表明，脱色的难易程度从染料结构看，依次为偶氮型、蒽醌型>金属络合型>半菁阳型。
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