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Twelve -substituted--dialkylaminomethyl benzimidazoles (Ⅱ_(a-)) have been synthesized by "reductive cyclization" of the corresponding -bromo-, chloro-and methoxy--nitro-dialkylaminoacetanilides (Ⅰ_(a-)) with sodium hyposulphite in dilute acetic acid.
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十二种-取代的-硝基-(二烴胺基乙酰)苯胺(Ⅰ_(a-))在稀醋酸中以次硫酸鈉处理,一步“还原环化”成相应的-取代的-二煙胺甲基苯并咪唑(Ⅱ_(a-))。 |
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Twelve Kinds of Gridding Methods of Surfer 8.0 in Isoline Drawing
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Surfer 8.0等值线绘制中的十二种插值方法 |
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Twelve Measures to Prevent Д-- 0КУ-- Engine's In-flight Shutdown
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预防Д— 0ку—发动机空中停车的几项措施 |
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Twelve Suggestions on Constructing Harmonious Shanghai
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关于建设"和谐上海"的十二条建议 |
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Twelve ectatic patients( 9%)were positive for H.pylori IgA,as were 7 controls(8%)(P = 0.0 ).
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冠状动脉扩张组例幽门螺杆菌IgA阳性,占 9%; 对照组7例阳性,占8%(P=0.0 )。 |
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Twelve patients of hypospadias aging from 7 to years were repa- ired with vascular pedicled flaps from septum scroti.
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报告应用阴囊纵隔血管蒂皮瓣修复尿道下裂例。 年龄最小7岁,最大岁。 |
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Twenty-four patients could urinate by themselves, the average Qmax was (.±0.7)ml/s.
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例支架置放后都能自解小便 ,平均尿流率达( .± 0 .7)ml/s。 |
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Twisted Blades for Industrial Steam Turbines
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工业汽轮机扭叶片系列 |
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Two Dimension Diffraction of Atomic de Broglie Waves by a Standing Laser Field
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激光驻波场中原子deBroglie波的二维衍射 |
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Two Foolish Men
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Two Foolish Men(初二适用) |
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Two Kinds of Deletions in The Killers
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《杀手》中的两种省略 |
