运行时出现的问题？ 我用不带 冷凝器 和 换热器 的 精馏塔 代替饱和热水塔，但是在运行中，除了IDEAL方法可以运行一半，用其他的方法都运行不了，其中SRK 等方法出现的问题提示是Unit 1, 't1' - a product water decant stream is required but missing on tray 1. Please verify that the selected thermodynamics support vlle or vlwe.请问我要如何解决这问题呀？查看更多3个回答 . 1人已关注
A Forever Friend-永远的朋友？ "A friend walk in when the rest of the world walks out." "别人都走开的时候，朋友仍与你在一起。” Sometimes in life, 有时候在生活中， You find a special friend; 你会找到一个特别的朋友; Someone who changes your life just by being part of it. 他只是你生活中的一部分内容，却能改变你整个的生活。 Someone who makes you laugh until you can't stop; 他会把你逗得开怀大笑； Someone who makes you believe that there really is good in the world. 他会让你相信人间有真情。 Someone who convinces you that there really is an unlocked door just waiting for you to open it. 他会让你确信，真的有一扇不加锁的门，在等待着你去开启。 This is Forever Friendship. 这就是永远的友谊。 when you're down, 当你失意， and the world seems dark and empty, 当世界变得黯淡与空虚， Your forever friend lifts you up in spirits and makes that dark and empty world suddenly seem bright and full. 你真正的朋友会让你振作起来，原本黯淡、空虚的世界顿时变得明亮和充实。 Your forever friend gets you through the hard times, the sad times, and the confused times. 你真正的朋友会与你一同度过困难、伤心和烦恼的时刻。 If you turn and walk away, 你转身走开时， Your forever friend follows, 真正的朋友会紧紧相随， If you lose you way, 你迷失方向时， Your forever friend guides you and cheers you on. 真正的朋友会引导你，鼓励你。 Your forever friend holds your hand and tells you that everything is going to be okay. 真正的朋友会握着你的手，告诉你一切都会好起来的。 And if you find such a friend, 如果你找到了这样的朋友， You feel happy and complete, 你会快乐，觉得人生完整， Because you need not worry, 因为你无需再忧虑。 Your have a forever friend for life, 你拥有了一个真正的朋友， And forever has no end. 永永远远，永无止境。查看更多0个回答 . 5人已关注
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