用红外光谱法鉴别盐酸普鲁卡因,下列吸收峰的归属是:[tex=4.214x1.214]uAzSrIBIuhhGx9zY5sb410tp7td8cynw9Q8MGbwTV5g=[/tex]
未知类型:{'options': ['胺基的[tex=1.929x1.071]qu7L7doH5bxmHKbxGPbzuQ==[/tex]', '苯环的[tex=2.071x1.0]ZrZL5r0quTlkf98utw5MVQ==[/tex]', '羟基的[tex=2.143x1.0]udyn/KBmfZojxGGa0wg2u7EtBbZ9RpKXi+hkzeBHhGg=[/tex]', '酯基的[tex=2.143x1.0]XkmME5IsRVQJUPkJ2F/mSNBkUCdhYhKdlEhel0JnPLc=[/tex]', '胺基的[tex=2.929x1.0]K6lWyfn5nzK1kSUFj0ttOP+hi5FO69ji9zsE44eyJwpT+c0a3bMoRuINH+1dbXCU[/tex]'], 'type': 102}
未知类型:{'options': ['胺基的[tex=1.929x1.071]qu7L7doH5bxmHKbxGPbzuQ==[/tex]', '苯环的[tex=2.071x1.0]ZrZL5r0quTlkf98utw5MVQ==[/tex]', '羟基的[tex=2.143x1.0]udyn/KBmfZojxGGa0wg2u7EtBbZ9RpKXi+hkzeBHhGg=[/tex]', '酯基的[tex=2.143x1.0]XkmME5IsRVQJUPkJ2F/mSNBkUCdhYhKdlEhel0JnPLc=[/tex]', '胺基的[tex=2.929x1.0]K6lWyfn5nzK1kSUFj0ttOP+hi5FO69ji9zsE44eyJwpT+c0a3bMoRuINH+1dbXCU[/tex]'], 'type': 102}
举一反三
- 用红外光谱法鉴别盐酸普鲁卡因,下列吸收峰的归属是:[tex=4.214x1.214]leBhjIowBu5zUY+rw9jmA4sRYsNAKxeQPnvaHb/PnHU=[/tex] 未知类型:{'options': ['胺基的[tex=1.929x1.071]qu7L7doH5bxmHKbxGPbzuQ==[/tex]', '苯环的[tex=2.071x1.0]ZrZL5r0quTlkf98utw5MVQ==[/tex]', '羟基的[tex=2.143x1.0]udyn/KBmfZojxGGa0wg2u7EtBbZ9RpKXi+hkzeBHhGg=[/tex]', '酯基的[tex=2.143x1.0]XkmME5IsRVQJUPkJ2F/mSNBkUCdhYhKdlEhel0JnPLc=[/tex]', '胺基的[tex=2.929x1.0]K6lWyfn5nzK1kSUFj0ttOP+hi5FO69ji9zsE44eyJwpT+c0a3bMoRuINH+1dbXCU[/tex]'], 'type': 102}
- 用红外光谱法鉴别盐酸普鲁卡因,下列吸收峰的归属是:[tex=8.929x1.429]tPMaVtD0fSrkeJq/NQTlVIFFfR9htrB/Ao5/KG0bNKbDw5j5MIqBO8jknGIqZEBqZv5a+8y4zMTjDA6DTWQLQw==[/tex] 未知类型:{'options': ['胺基的[tex=1.929x1.071]qu7L7doH5bxmHKbxGPbzuQ==[/tex]', '苯环的[tex=2.071x1.0]ZrZL5r0quTlkf98utw5MVQ==[/tex]', '羟基的[tex=2.143x1.0]udyn/KBmfZojxGGa0wg2u7EtBbZ9RpKXi+hkzeBHhGg=[/tex]', '酯基的[tex=2.143x1.0]XkmME5IsRVQJUPkJ2F/mSNBkUCdhYhKdlEhel0JnPLc=[/tex]', '胺基的[tex=2.929x1.0]K6lWyfn5nzK1kSUFj0ttOP+hi5FO69ji9zsE44eyJwpT+c0a3bMoRuINH+1dbXCU[/tex]'], 'type': 102}
- set1 = {x for x in range(10)} print(set1) 以上代码的运行结果为? A: {0, 1, 2, 3, 4, 5, 6, 7, 8, 9} B: {0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10} C: {1, 2, 3, 4, 5, 6, 7, 8, 9} D: {1, 2, 3, 4, 5, 6, 7, 8, 9,10}
- >>>x= [10, 6, 0, 1, 7, 4, 3, 2, 8, 5, 9]>>>print(x.sort()) 语句运行结果正确的是( )。 A: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10] B: [10, 6, 0, 1, 7, 4, 3, 2, 8, 5, 9] C: [10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0] D: ['2', '4', '0', '6', '10', '7', '8', '3', '9', '1', '5']
- set1 = {x for x in range(10) if x%2!=0} print(set1) 以上代码的运行结果为? A: {1, 3, 5, 7, 9} B: {1, 3, 5, 7} C: {3, 5, 7, 9} D: {3, 5, 7}