用佛尔哈德法测定溶液中[tex=1.643x1.143]dMeuMPuROVSZPJbkt6/Mzw==[/tex]时,所选用的指示剂为([input=type:blank,size:4][/input])A.[tex=3.429x1.214]Mifbl5qhl9QVx8zZlPFtf+ktRhO/V55/pwqOtYRSyp0=[/tex]B.荧光黄C.曙红D.铁铵矾
用佛尔哈德法测定溶液中[tex=1.643x1.143]dMeuMPuROVSZPJbkt6/Mzw==[/tex]时,所选用的指示剂为([input=type:blank,size:4][/input])A.[tex=3.429x1.214]Mifbl5qhl9QVx8zZlPFtf+ktRhO/V55/pwqOtYRSyp0=[/tex]B.荧光黄C.曙红D.铁铵矾
已知原电池[tex=25.0x1.571]liat+nFxRf8A3VA39WYfGtfrCW4MuSPiMpe+61Z2SH47TxNIwgkzY8LUI4VBt05WKCEOZ6Pk9M9s3wRZMGRqyv7fKboBwZUyx02X4xsW4LjInC1XETdk3ca/Lwh4xDUvFFTb7hhSqnkH+3kGdRZV4ZBAyIgI7y01v89e0T88SJWWcHm8Q+0GdHxv5iIquzGSHuO4cPtyPz+IGHw047/cIr8r3y9Ud4J3ceo2zJbLjJrryt5mtevxMVN9jGBQIkBX[/tex],向负极加入[tex=3.429x1.214]Mifbl5qhl9QVx8zZlPFtf+ktRhO/V55/pwqOtYRSyp0=[/tex]使[tex=1.857x1.357]GBSafy4VAOGqw7HmVJkY1g==[/tex]生成[tex=3.857x1.286]er66EVc6ikwNFizEZxOY1/y7gaC8j2nYDtBvyBiIkrrn12w6q7H3HOQMs6OUFcTK[/tex]沉淀,并使[tex=11.357x1.571]F4wr4YMo9QNC8QuSQN3PKESFMUqqYmGQChCknLiIFfjqi6By1N4TLvTxC4aj8lR5oga2VmVHx3CIU7UfbNQFnDSGpXqs2sgln8agk4NNg4kwfTJ+DqskfqGHTxXhGBmh[/tex], [tex=2.357x1.0]m5fKCA0WGhfJpuVc0VWfdw==[/tex]时,[tex=4.643x1.0]vWMsZYTaKilGmrCkH9yYgA==[/tex]。计算[tex=6.357x1.357]SdegJ7n6cPiuI6g7tdJ+FSNGK2jrpi+NoS1CajDgj/eGGRQTbl1sgbjABu8UXSVvcETuVijWe2flIu58BfrrLw==[/tex]
已知原电池[tex=25.0x1.571]liat+nFxRf8A3VA39WYfGtfrCW4MuSPiMpe+61Z2SH47TxNIwgkzY8LUI4VBt05WKCEOZ6Pk9M9s3wRZMGRqyv7fKboBwZUyx02X4xsW4LjInC1XETdk3ca/Lwh4xDUvFFTb7hhSqnkH+3kGdRZV4ZBAyIgI7y01v89e0T88SJWWcHm8Q+0GdHxv5iIquzGSHuO4cPtyPz+IGHw047/cIr8r3y9Ud4J3ceo2zJbLjJrryt5mtevxMVN9jGBQIkBX[/tex],向负极加入[tex=3.429x1.214]Mifbl5qhl9QVx8zZlPFtf+ktRhO/V55/pwqOtYRSyp0=[/tex]使[tex=1.857x1.357]GBSafy4VAOGqw7HmVJkY1g==[/tex]生成[tex=3.857x1.286]er66EVc6ikwNFizEZxOY1/y7gaC8j2nYDtBvyBiIkrrn12w6q7H3HOQMs6OUFcTK[/tex]沉淀,并使[tex=11.357x1.571]F4wr4YMo9QNC8QuSQN3PKESFMUqqYmGQChCknLiIFfjqi6By1N4TLvTxC4aj8lR5oga2VmVHx3CIU7UfbNQFnDSGpXqs2sgln8agk4NNg4kwfTJ+DqskfqGHTxXhGBmh[/tex], [tex=2.357x1.0]m5fKCA0WGhfJpuVc0VWfdw==[/tex]时,[tex=4.643x1.0]vWMsZYTaKilGmrCkH9yYgA==[/tex]。计算[tex=6.357x1.357]SdegJ7n6cPiuI6g7tdJ+FSNGK2jrpi+NoS1CajDgj/eGGRQTbl1sgbjABu8UXSVvcETuVijWe2flIu58BfrrLw==[/tex]
已知原电池[tex=25.0x1.571]liat+nFxRf8A3VA39WYfGtfrCW4MuSPiMpe+61Z2SH47TxNIwgkzY8LUI4VBt05WKCEOZ6Pk9M9s3wRZMGRqyv7fKboBwZUyx02X4xsW4LjInC1XETdk3ca/Lwh4xDUvFFTb7hhSqnkH+3kGdRZV4ZBAyIgI7y01v89e0T88SJWWcHm8Q+0GdHxv5iIquzGSHuO4cPtyPz+IGHw047/cIr8r3y9Ud4J3ceo2zJbLjJrryt5mtevxMVN9jGBQIkBX[/tex],向负极加入[tex=3.429x1.214]Mifbl5qhl9QVx8zZlPFtf+ktRhO/V55/pwqOtYRSyp0=[/tex]使[tex=1.857x1.357]GBSafy4VAOGqw7HmVJkY1g==[/tex]生成[tex=3.857x1.286]er66EVc6ikwNFizEZxOY1/y7gaC8j2nYDtBvyBiIkrrn12w6q7H3HOQMs6OUFcTK[/tex]沉淀,并使[tex=11.357x1.571]F4wr4YMo9QNC8QuSQN3PKESFMUqqYmGQChCknLiIFfjqi6By1N4TLvTxC4aj8lR5oga2VmVHx3CIU7UfbNQFnDSGpXqs2sgln8agk4NNg4kwfTJ+DqskfqGHTxXhGBmh[/tex], [tex=2.357x1.0]m5fKCA0WGhfJpuVc0VWfdw==[/tex]时,[tex=4.643x1.0]vWMsZYTaKilGmrCkH9yYgA==[/tex]。计算[tex=6.357x1.357]SdegJ7n6cPiuI6g7tdJ+FSNGK2jrpi+NoS1CajDgj/eGGRQTbl1sgbjABu8UXSVvcETuVijWe2flIu58BfrrLw==[/tex]
已知原电池[tex=25.0x1.571]liat+nFxRf8A3VA39WYfGtfrCW4MuSPiMpe+61Z2SH47TxNIwgkzY8LUI4VBt05WKCEOZ6Pk9M9s3wRZMGRqyv7fKboBwZUyx02X4xsW4LjInC1XETdk3ca/Lwh4xDUvFFTb7hhSqnkH+3kGdRZV4ZBAyIgI7y01v89e0T88SJWWcHm8Q+0GdHxv5iIquzGSHuO4cPtyPz+IGHw047/cIr8r3y9Ud4J3ceo2zJbLjJrryt5mtevxMVN9jGBQIkBX[/tex],向负极加入[tex=3.429x1.214]Mifbl5qhl9QVx8zZlPFtf+ktRhO/V55/pwqOtYRSyp0=[/tex]使[tex=1.857x1.357]GBSafy4VAOGqw7HmVJkY1g==[/tex]生成[tex=3.857x1.286]er66EVc6ikwNFizEZxOY1/y7gaC8j2nYDtBvyBiIkrrn12w6q7H3HOQMs6OUFcTK[/tex]沉淀,并使[tex=11.357x1.571]F4wr4YMo9QNC8QuSQN3PKESFMUqqYmGQChCknLiIFfjqi6By1N4TLvTxC4aj8lR5oga2VmVHx3CIU7UfbNQFnDSGpXqs2sgln8agk4NNg4kwfTJ+DqskfqGHTxXhGBmh[/tex], [tex=2.357x1.0]m5fKCA0WGhfJpuVc0VWfdw==[/tex]时,[tex=4.643x1.0]vWMsZYTaKilGmrCkH9yYgA==[/tex]。计算[tex=6.357x1.357]SdegJ7n6cPiuI6g7tdJ+FSNGK2jrpi+NoS1CajDgj/eGGRQTbl1sgbjABu8UXSVvcETuVijWe2flIu58BfrrLw==[/tex]
238.已知二值医学图像IA=[0()0()0()0()0;()0()0()1()1()0;()0()0()1()1()0;()0()0()0()0()0;()0()0()0()0()0],结构元素IB=[0()1()0;()1()1()1;()0()1()0],()结构元素IB对应的坐标是[(-1,-1)(-1,0)(-1,1):(0,-1)(0,0)(0,1);(1,-1)(1,0)(1,1)],则用结构元素IB对图像IA腐蚀后的图像IC是()。A.()[0()0()0()0()0;()0()0()0()0()0;()0()0()0()0()0;()0()0()0()0()0;()0()0()0()0()0]B.()[0()0()0()0()0;()0()0()11()0;()0()0()0()1()0;()0()0()0()0()0;()0()0()0()0()0]C.()[0()0()0()0()0;()0()0()1()0()0;()0()0()1()1()0;()0()0()0()0()0;()0()0()0()0()0]D.()[0()0()0()0()0;()0()0()0()1()0;()0()0()0()1()0;()0()0()0()0()0;()0()0()0()0()0]
238.已知二值医学图像IA=[0()0()0()0()0;()0()0()1()1()0;()0()0()1()1()0;()0()0()0()0()0;()0()0()0()0()0],结构元素IB=[0()1()0;()1()1()1;()0()1()0],()结构元素IB对应的坐标是[(-1,-1)(-1,0)(-1,1):(0,-1)(0,0)(0,1);(1,-1)(1,0)(1,1)],则用结构元素IB对图像IA腐蚀后的图像IC是()。A.()[0()0()0()0()0;()0()0()0()0()0;()0()0()0()0()0;()0()0()0()0()0;()0()0()0()0()0]B.()[0()0()0()0()0;()0()0()11()0;()0()0()0()1()0;()0()0()0()0()0;()0()0()0()0()0]C.()[0()0()0()0()0;()0()0()1()0()0;()0()0()1()1()0;()0()0()0()0()0;()0()0()0()0()0]D.()[0()0()0()0()0;()0()0()0()1()0;()0()0()0()1()0;()0()0()0()0()0;()0()0()0()0()0]
对HDB3码-1000+100-1000-1+1000+1-1+1-100-1+1-1进行译码,结果是( )。 A: 1 0 0 0 1 0 0 1 0 0 0 0 1 0 0 0 0 1 1 0 0 0 0 1 1 B: 1 0 0 0 1 0 0 1 0 0 0 1 1 0 0 0 0 1 1 0 0 0 0 0 1 C: 1 0 1 0 1 0 0 1 0 0 0 0 1 1 0 0 0 1 1 0 0 0 0 1 1 D: 1 0 0 0 1 0 0 1 0 0 0 0 1 0 0 1 1 0 0 0 0 0 0 1 1
对HDB3码-1000+100-1000-1+1000+1-1+1-100-1+1-1进行译码,结果是( )。 A: 1 0 0 0 1 0 0 1 0 0 0 0 1 0 0 0 0 1 1 0 0 0 0 1 1 B: 1 0 0 0 1 0 0 1 0 0 0 1 1 0 0 0 0 1 1 0 0 0 0 0 1 C: 1 0 1 0 1 0 0 1 0 0 0 0 1 1 0 0 0 1 1 0 0 0 0 1 1 D: 1 0 0 0 1 0 0 1 0 0 0 0 1 0 0 1 1 0 0 0 0 0 0 1 1
执行eye(3,5)后,其结果是( ) A: ans = <br> 1 0 0 0 1 0 0 0 1 B: ans = <br> 1 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 1 C: ans = <br> 1 0 0 0 1 0 0 0 1 0 0 0 0 0 0 D: ans = <br> 1 0 0 0 0 0 1 0 0 0 0 0 1 0 0
执行eye(3,5)后,其结果是( ) A: ans = <br> 1 0 0 0 1 0 0 0 1 B: ans = <br> 1 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 1 C: ans = <br> 1 0 0 0 1 0 0 0 1 0 0 0 0 0 0 D: ans = <br> 1 0 0 0 0 0 1 0 0 0 0 0 1 0 0
编写程序,创建下列10*10的数组,数组边界全为1,里面全为0。 [[1 1 1 1 1 1 1 1 1 1] [1 0 0 0 0 0 0 0 0 1] [1 0 0 0 0 0 0 0 0 1] [1 0 0 0 0 0 0 0 0 1] [1 0 0 0 0 0 0 0 0 1] [1 0 0 0 0 0 0 0 0 1] [1 0 0 0 0 0 0 0 0 1] [1 0 0 0 0 0 0 0 0 1] [1 0 0 0 0 0 0 0 0 1] [1 1 1 1 1 1 1 1 1 1]]
编写程序,创建下列10*10的数组,数组边界全为1,里面全为0。 [[1 1 1 1 1 1 1 1 1 1] [1 0 0 0 0 0 0 0 0 1] [1 0 0 0 0 0 0 0 0 1] [1 0 0 0 0 0 0 0 0 1] [1 0 0 0 0 0 0 0 0 1] [1 0 0 0 0 0 0 0 0 1] [1 0 0 0 0 0 0 0 0 1] [1 0 0 0 0 0 0 0 0 1] [1 0 0 0 0 0 0 0 0 1] [1 1 1 1 1 1 1 1 1 1]]
根据下列真值表,采用case语句描述一个8-3编码器,输入信号:x[7..0]时,输出y[2..0]。 输入X 输出Y X0 X1 X2 X3 X4 X5 X6 X7 Y2 Y1 Y0 1 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 0 0 1 1 0 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 1 0 0 1 0 1 0 0 0 0 0 0 1 0 1 1 0 0 0 0 0 0 0 0 1 1 1 1
根据下列真值表,采用case语句描述一个8-3编码器,输入信号:x[7..0]时,输出y[2..0]。 输入X 输出Y X0 X1 X2 X3 X4 X5 X6 X7 Y2 Y1 Y0 1 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 0 0 1 1 0 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 1 0 0 1 0 1 0 0 0 0 0 0 1 0 1 1 0 0 0 0 0 0 0 0 1 1 1 1
编写程序,创建下列10*10的数组,数组边界全为1,里面全为0。 [[1 1 1 1 1 1 1 1 1 1] [1 0 0 0 0 0 0 0 0 1] [1 0 0 0 0 0 0 0 0 1] [1 0 0 0 0 0 0 0 0 1] [1 0 0 0 0 0 0 0 0 1] [1 0 0 0 0 0 0 0 0 1] [1 0 0 0 0 0 0 0 0 1] [1 0 0 0 0 0 0 0 0 1] [1 0 0 0 0 0 0 0 0 1] [1 1 1 1 1 1 1 1 1 1]] 提示:可以先创建全为0或者全为1的数组,再通过索引和切片机制进行修改
编写程序,创建下列10*10的数组,数组边界全为1,里面全为0。 [[1 1 1 1 1 1 1 1 1 1] [1 0 0 0 0 0 0 0 0 1] [1 0 0 0 0 0 0 0 0 1] [1 0 0 0 0 0 0 0 0 1] [1 0 0 0 0 0 0 0 0 1] [1 0 0 0 0 0 0 0 0 1] [1 0 0 0 0 0 0 0 0 1] [1 0 0 0 0 0 0 0 0 1] [1 0 0 0 0 0 0 0 0 1] [1 1 1 1 1 1 1 1 1 1]] 提示:可以先创建全为0或者全为1的数组,再通过索引和切片机制进行修改
以下HDB3码中,哪些可以确定其中有误码 A: +1 0 0 0 -1 0 +1 -1 +1 0 0 +1 0 -1 +1 -1 0 0 -1 +1…… B: +1 0 0 -1 +1 0 0 0 +1 -1 0 0 -1 0 0 0 +1 0 0 +1 -1…… C: -1 0 0 0 -1 0 +1 0 0 0 +1 -1 +1 0 0 +1 0 0 -1 +1…… D: -1 0 +1 0 0 0 -1 +1 0 0 0 +1 -1 +1 -1 0 0 -1 +1 0 -1……
以下HDB3码中,哪些可以确定其中有误码 A: +1 0 0 0 -1 0 +1 -1 +1 0 0 +1 0 -1 +1 -1 0 0 -1 +1…… B: +1 0 0 -1 +1 0 0 0 +1 -1 0 0 -1 0 0 0 +1 0 0 +1 -1…… C: -1 0 0 0 -1 0 +1 0 0 0 +1 -1 +1 0 0 +1 0 0 -1 +1…… D: -1 0 +1 0 0 0 -1 +1 0 0 0 +1 -1 +1 -1 0 0 -1 +1 0 -1……