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等压点（equal pressure point)
等压点(equal pressure point)
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等压点(equal pressure point)
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更多“等压点（equal pressure point)”相关的问题
第1题
Evaporation rates of hydrocarbon liquid from horizontal surfaces are approximately given by
Where p is vapor pressure of the liquid and P is the atmospheric pressure. We have spilled a layer of lubricating oil on a metal drip pan in our garage. It forms a layer 1 mm thick. Its density is 1g/cm3and its molecular weight is 400 g/mol. Its vapor pressure is approximately 10-7torr at 20℃. Estimate how long it will take all of this motor oil to evaporate at 20℃.
第4题
A.正确
B.错误
第6题
设X是有单位元e的Banach代数，x∈X，p是复系数多项式且p(x)=θ．证明x的谱点都是p的根．
