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1病例报告患者,女,68岁,因"体检发现甲状腺占位1周"入院。偶有胸闷;余无明显不适。查体:甲状腺左叶Ⅱ度肿大,可及4cm×3cm大小质中肿块,边界清,无压痛,随吞咽上下活动,... 翁永彩,曾冬前,顾东胜,... - 《临床耳鼻咽喉头颈外科杂志》 被引量: 0发表: 2016年 ...
摘要: In recent decades, problems with electromagnetic interference (EMI) radiation problems have arisen, that can seriously reduce the performance of precision devices nearby and threaten human health. In consequence, it is...DOI: 10.1039/D1TA00417D 年份: 2021 ...
PURPOSE:To damp the pulsation of outlet pressure of a supercharger ample enough with a samll-sized surge tank and reduce a suction noise to the lowest possible extent, by installing a pre-chamber being smaller in displacement than the surge tank jointly in a suction passage between the surge ...