• 2022-06-01
    某逆流吸收塔塔底排出液中含溶质[tex=4.571x1.357]hnsjkp7yQB1hY+4HBL6Hm8KTS9ZzzzccyfsRoUNvrow=[/tex](摩尔分数),进口气体中含溶质[tex=2.143x1.143]FdjvtVP9Bd7surJtDFnpVQ==[/tex](体积分数),操作压强为[tex=3.214x1.0]TPcWTip/1JrYZGLWLy21ZQ==[/tex]。气液相平衡关系为[tex=3.429x1.214]YZcaPlt3JgO/VxYe+ahT7A==[/tex]。现将操作压力由[tex=3.214x1.0]TPcWTip/1JrYZGLWLy21ZQ==[/tex]增至[tex=3.214x1.0]Mn8mxNUm9SBXbW7W2TlCXQ==[/tex],问塔底推动力[tex=2.929x1.357]PwuY9CjlB3854iAVMWxW9n7oSO2kN8a4yqz4/nHnwuo=[/tex]及[tex=3.071x1.357]1U4Sw8AAEc6dFz+GiCurwMJl5Hod1F7zeM2HQDaqZeE=[/tex]各增加至原有的多少倍。
  • 解:由题意[tex=14.643x1.429]2b3dK6doDPrR7ApBn1zQ3gq1AjOmTW8ZbwK2aXD1Fp+24EVwedEzNaAfwRPbU+oCOMrO77sVSB5QL0roR6CEKA==[/tex][tex=11.5x2.5]oePjBTb6rdpuYVMYUwXnLpYVhceUz680NwF2QCRouQXLQcSQllGCpacmfP+FzH+HTNzgZo5ewPBmNnNi10qpCA==[/tex][tex=13.0x1.357]PwuY9CjlB3854iAVMWxW9m2A4+g5w9MO0J3gMB6p/ap8YiqLV/vI4TxDlVOkemq8[/tex][tex=18.714x1.5]1U4Sw8AAEc6dFz+GiCurwE+/Qiv49NPcVfGsYwdJudtQL7hfCdYDT5VM0aAPlIAlVKRe7E3mkqYdpKpkVwWdfdOdv3zjtr6aM5jbBlMQBs0=[/tex][tex=13.714x1.357]ejkCBtAi5HIXG3JypxQ2nOro6/jsWXYAhpv/xzRNi9Kb0fdf8sEaYHSww19QV40L[/tex][tex=12.571x1.429]NAoEI8PREXm70C8HFngQCl9dyHQ7UVBiRi1VJeI7Ly4ajx74D0y3UM1ZIYdNoSlSY9PhGArXBYL3HSZXHU+PHA==[/tex][tex=11.857x1.357]VAq9bVkTsnfvR2bIE/AWdHxlS/DmwsJ7VcsZse9h9pTPH44q0A9TvUZtzcQFwUaX[/tex][tex=13.929x1.357]PwuY9CjlB3854iAVMWxW9uhSSRgOCEc9ygUtAE+vk5I+K8zROy+vgP7a3BTeqp2F[/tex][tex=15.5x1.5]1U4Sw8AAEc6dFz+GiCurwCJwA2wIiELamuuCAXp+jMHkzjXg0HsO/C0iXCEvotoxfqD7GqPu7C3KSiuRW5Al/YKAg2tz09Mbkrp8O4sNCR4=[/tex]故[tex=10.286x2.714]mDR9ZwK/isVvZ9RiPpsO0qtHFustA5qKugICvJKivSEvrojPnVkH+Dk67jfOuPIBpXeY43bFObFqhqLvl0/pOYbp0P/foZE5TEen6kXSz2OfstnZeOOZ9WF51t+vG+jN[/tex](倍)[tex=11.357x2.786]qqj3+Ma3+aeaSVNaH8+8mtb9zJaUxMzBe7/8AFR6ZOPLsH5IxBkeKvf4bCAH4oyvArx0LWV2a3KCHZb4RcXbxD6yr15f7JSQZywQGvZteSip+6K52yQYeUt6cvDdDY0XhR63tX6WGIBoHJpT9QMrzw==[/tex](倍)

    举一反三

    内容

    • 0

      判断下列命题是否为真:(1)[tex=3.643x1.357]/5abqJjwKZ1qr+6hsVFF5EBvfq3ggOFNlHMClz0h9nk=[/tex](2)[tex=2.929x1.357]rGJpyjIjJpbcoBTWxP0Jiw==[/tex](3)[tex=4.5x1.357]2wycHMoqU83MyEp17iBils58bR7YLuCTI2G9NVAdlfY=[/tex](4)[tex=5.214x1.357]CTz2gu+IIm1GgNmYMGaduCRtA41wnW4WqwRWwEhq6aA=[/tex](5)[tex=4.857x1.357]1DcE2BMMOaZhTuxR/mjgsboXxfg5ET59Dp4I/jjEDuw=[/tex](6)[tex=4.643x1.357]BSryrsQYOvTP2hTWRu6t4nAuJwlSs4L9jaq70EpB+Us=[/tex](7)若[tex=6.0x1.357]y0IZLUnBO88nR8WBZYvd7QXv5S1OMINV5cQNzPyiyAc=[/tex],则[tex=3.429x1.357]1brfPwTkVVIX4GfoMIUskA==[/tex](8)若[tex=7.643x1.357]MhLfJXZnhbXiB0x3oNtFzThV4Y1mJxe1VYr7PkJE/T6hmTD3WWp+UxbNwvUQ6DHk[/tex],则[tex=4.143x1.357]LZUA94ISo1po5HWsOVeBCjo0rMvj7uw3bGw5HiZenrI=[/tex]

    • 1

      某填料吸收塔用含溶质[tex=4.5x1.214]L1ooisTkP5yf2rfxDJkztA==[/tex]的溶剂逆流吸收混合气中的可溶组分, 采用液气比是 3 , 气体入口 摩尔分数 $y_{1}=0.01$ 回收率可达[tex=3.071x1.214]tUdCv/18uR5fV0PLvh+WNg==[/tex]。已知物系的平衡关系为[tex=2.357x1.214]mUTOIrnWq6beimHtdmedBQ==[/tex]。今因解吸不良使吸收剂入口摩尔分数[tex=0.929x1.0]+LYkYkLWJ8vOgrrUQ4+iLg==[/tex]升至[tex=3.286x1.0]3iNkgxTVx4/iZhA8WdWE0Q==[/tex], 试求:(1)可溶组分的回收率下降至多少? (2) 液相出塔摩尔分数升高至多少?

    • 2

      含[tex=3.214x1.286]59twWWuuAyAuwVOADMZ+WBOi3yaJBuytr0nsTmy21uQ=[/tex] (体积分数)的 [tex=1.857x1.214]59twWWuuAyAuwVOADMZ+WAf4VqA8QYHWXpgPIclnhiQ=[/tex]-空气混合气, 在填料塔中用水进行逆流吸收, 操作压力(绝)为[tex=3.214x1.0]b2MDm8OhLxNeML6ktEd6amsGyWNgSI3dmxuSjWLZeMg=[/tex] 、温度为[tex=2.143x1.071]zt6AQy0PfYUwQvPHkX7UEseOE1BESdkAuAIivrvToWY=[/tex], 试求出塔的 [tex=2.0x1.214]s3SpHImkN89g3m0RxY2oZw9LC4sodaGKNri8PMH92ig=[/tex] 水中最多可溶解多少克[tex=1.857x1.214]59twWWuuAyAuwVOADMZ+WAf4VqA8QYHWXpgPIclnhiQ=[/tex] ? 其浓度又为多少?

    • 3

      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}

    • 4

       对 [tex=0.643x0.786]/he/ol8BkDuTTL9yMPtH4Q==[/tex]的不同值,分别求出循环群[tex=1.143x1.214]StMMJ6qThnpokZJIPGrdFyP3vrLnUdltYxmLxjw8za8=[/tex]的所有生成元和所有子群。(1) 7;           (2) 8;               (3)10 ;(4) 14 ;         (5) 15             (6) 18 。