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带孔单台法兰锻件胎模锻造制坯工步的确定
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作者 付文灿 《机械工人(热加工)》 1997年第11期12-13,共2页
对于工艺人员和操作者来说,如何确定带孔单台法兰锻件胎模制坯工步一直是个难题,因为制坯工步选用的正确与否不仅影响生产效率和产品成本,而且还影响锻件质量,甚至使产品报废。
关键词 法兰 锻件 膜模成形 锻造 锻造制坯
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A new pseudo rubrene analogue with excellent film forming ability
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作者 ZHANG XiaoTao MENG Qing +3 位作者 HE YuDong WANG ChengLiang DONG HuanLi HU WenPing 《Science China Chemistry》 SCIE EI CAS 2011年第4期631-635,共5页
A novel pseudo rubrene analogue,6,11-di(thiophen-2-yl)-tetracene-5,12-dione (DTTDO) was synthesized,in which two thienyl groups and two carbonyl groups replacing four phenyl groups in the rubrene molecule were connect... A novel pseudo rubrene analogue,6,11-di(thiophen-2-yl)-tetracene-5,12-dione (DTTDO) was synthesized,in which two thienyl groups and two carbonyl groups replacing four phenyl groups in the rubrene molecule were connected to the backbone of tetracene.This compound was characterized by single crystal X-ray structure analysis,thermogravimetric analysis,absorption spectra and electrochemical measurements.Unlike rubrene,DTTDO exhibited excellent film forming ability by normal vacuum deposition,indicating its promising applications in organic thin film transistors. 展开更多
关键词 DTTDO thin films organic field-effect transistors
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