作者shmilylim (shmily)
看板NTUBIME102HW
标题[工数] 考古题之两题应用
时间Mon Nov 29 21:35:37 2010
5.某生物反应器(Bio-reactor)制程最终产物C,乃由反应物A及B所合成,合成每1公克之C
须消耗0.2公克的A及0.8公克的B,且C的产量与当时反应器内所剩之A及B之量成正相关。
若刚开始,加入A及B各50及32公克,且实验指出於反应开始10分钟後产出30公克的C,请
问若要获得40公克的C,需要多少时间才能达成?
6.The tank contains 200 liter of water in which 40 kg of salt are dissolved 5
liter of brine, each containing 2 kg of dissolved salt run into the tank per
min. and the mixture kept the uniform by stirring runs out at the same rate.
Find the amount of salt y(t) in the tank at any time t.
7.请解释singular solution。
---------------------------------------------------------------
前四题印象中跟前面的计算题类似~
亦是 from 毛毛~XDDD
--
※ 发信站: 批踢踢实业坊(ptt.cc)
◆ From: 111.248.228.99
1F:推 bw80409:感谢学姊XD 11/29 22:42