willful destruction如何理解(关于设备铭牌)? The nameplate shall be attached to the vessel or to a pad,bracket,or structure which is welded,brazed,or soldered directly to the vessel. The nameplate shall be located withing 30 in. of the vessel. Removal shall require the willful destruction of the nameplate ,or its attachment system. (关于容器铭牌的固定)。 求标红句的理解? 查看更多11个回答 . 3人已关注
小女子不胜感激? 请问各位大神 遇到这样的问题怎样去解决 ERROR WHILE CHECKING INPUT SPECIFICATIONS BLOCK NAME: B1 MODEL NAME: CRYSTALLIZER ENERGY-BAL=NO FOR EITHER GLOBAL OR LOCAL IS NOT ALLOWED 小女子万分感激查看更多9个回答 . 2人已关注
“Reduced F Factor”是什么参数啊? 在用RadFrac模拟填料 精馏塔 时, 在“profile”的流体力学选项中有这么一个参数 “Reduced F Factor” 它表征的是什么啊?是填料的F因子吗? 下面是ASPEN help中的注解,兄弟不太明白 请大侠指教 十分谢谢 Reduced F Factor, defined as: [img=163,26]mk MSITStore:c:\program%20files\aspentech\aprsystem%20v7.1\gui\xeq\radfrac.chm::/image/help0043_wmf.gif[/img] Where: [img=20,18]mk MSITStore:c:\program%20files\aspentech\aprsystem%20v7.1\gui\xeq\radfrac.chm::/image/help0044_wmf.gif[/img]= Volumetric flow rate of vapor to the stage [img=20,18]mk MSITStore:c:\program%20files\aspentech\aprsystem%20v7.1\gui\xeq\radfrac.chm::/image/help0045_wmf.gif[/img] = Mass density of vapor to the stage 查看更多0个回答 . 4人已关注