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女性骨性Ⅱ类高角患者牙合平面与上下颌骨矢状向位置关系的相关性研究 被引量:2
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作者 陈向飒 肖丹娜 高辉 《口腔医学》 CAS 2015年第5期379-382,共4页
目的探讨女性骨性Ⅱ类高角患者牙合平面与上下颌骨矢状向位置关系之间的相互关系。方法选取48例成人女性骨性Ⅱ类高角患者正畸治疗前头颅侧位片,各测量27项指标。应用Pearson相关分析上下颌骨矢状向位置关系与牙合平面指标、牙合平面指... 目的探讨女性骨性Ⅱ类高角患者牙合平面与上下颌骨矢状向位置关系之间的相互关系。方法选取48例成人女性骨性Ⅱ类高角患者正畸治疗前头颅侧位片,各测量27项指标。应用Pearson相关分析上下颌骨矢状向位置关系与牙合平面指标、牙合平面指标与牙齿指标的相关性。结果 ANB角与后牙牙合平面倾斜度(OPP-FH)相关性显著。OPP-FH与上颌第二磨牙垂直高度及倾斜度相关性显著。结论女性骨性Ⅱ类高角患者上下颌骨矢状向位置关系与后牙牙合平面倾斜度关系密切。 展开更多
关键词 胎平面 骨性Ⅱ类高角 ANB角
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Surface Modification of Pyrolytic Carbon Black from Waste Tires and Its Use as Pigment for Offset Printing Ink 被引量:26
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作者 周洁 王靖岱 +2 位作者 任晓红 阳永荣 蒋斌波 《Chinese Journal of Chemical Engineering》 SCIE EI CAS CSCD 2006年第5期654-659,共6页
Pyrolysis has the potential of transforming waste into valuable products. Pyrolytic carbon black (PCB) is one of the most important products resulting from the pyrolysis of used tires. One of the most significant appl... Pyrolysis has the potential of transforming waste into valuable products. Pyrolytic carbon black (PCB) is one of the most important products resulting from the pyrolysis of used tires. One of the most significant applica-tions of modified pyrolytic carbon black is its use as pigment for offset printing ink to obtain high added values. Inverse gas chromatography (IGC) results show that a large quantity of inorganic matters and carbonaceous deposit are removed by treating the pyrolytic carbon black with nitric acid solution. Plenty of active sites originally occu-pied by inorganic ash and coke are recovered. The surface energy of pyrolytic carbon black (TWPC)modified by titanate-coupling agent-especially the specific interaction γ sspdetermined by the specific probe molecule, tolu-ene-shows the strong interaction between the TWPC and the synthetic resins. The offset printing ink performance confirms the IGC prediction. And TWPC has the great potential of applications in printing ink industry as pigment. 展开更多
关键词 environmental engineering waste tires INK
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