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8 Adjustable Display Modes: This 2x2 HDMI video image processor can connect up to 4 LCD TVs or other displays, which can support multiple display modes, such as 2x2, 1x1, 1x2, 1x3, 1x4, 4x1, 3x1, 2x1. All this modes provides variety splicing options, can easily switch the modes ...
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X-RAY PHOTOELECTRON DIFFRACTION STUDY OF THE STRUCTURES OF W(001)C(2X2)-AU AND W(001)C(2X2)-AG SURFACESTakahashi, HSasaki, MSuzuki, SSato, SAbukawa, TKono, SOsterwalder, J
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Hydrogen-halogen exchange reactions of FvW2(CO)4(PPh2Me)2H2 (1) with CCl4 and CHI3 gave FvW2(CO)4(PPh2Me)2Cl2 (2) and FvW2(CO)4(PPh2Me)2I2 (3), respectively, in nearly quantitative isolated yield (Fv=η5:η5-C10H8, fulvalene). Both reactions were shown by 1H- and 3...
⎝2⎠⎝2⎠(4)x12y21x2y22xx1,于是u1,是w平面上一___
解答 解:三个离子反应方程式:2W-+X2=2X-+W2;2Y-+W2=2W-+Y2;2X-+Z2=2Z-+X2,根据化合价升降判断出氧化剂氧化产物,①氧化剂X2的氧化性大于氧化产物W2;②氧化剂W2的氧化性大于氧化产物Y2;③氧化剂Z2的氧化性大于氧化产物X2;所以氧化性强弱顺序为Z2>X2>W2>Y2;...
已知正数x, y满足x + 2 2xyw入(x+ y)恒成立,则实数 入的最小值为 .解析:依题意得x + 2 2xy w x '-w 2(当x -+ y且仅