脱丙烷塔进料后发现塔底带水,操作调整正确的是()。A、原料缓冲罐加强脱水 B、增加塔 发布时间:2017-07-14 05:02 │ 来源:www.tikuol.com 题型:多项选择题 问题: 脱丙烷塔进料后发现塔底带水,操作调整正确的是()。A、原料缓冲罐加强脱水B、增加塔底热源将水蒸发至塔顶C、适当降低装置处理量D、增加塔顶回流量
题型:多项选择题 If a CFA Institute member knows that a fellow employee has violated a law, according to Standard Ⅰ (A) the member must NOT do which of the following()A. Report the employee violating the law to the appropriate supervisor in the firm.B. Report the employee violating the law to the SEC.C. Disassociate from the employee violating the law. 查看答案
题型:多项选择题 骨盆出口横径是()A.坐骨结节前端内侧缘之间的距离B.坐骨结节前端外侧缘之间的距离C.坐骨结节中段外侧缘之间的距离D.坐骨结节后端内侧缘之间的距离E.坐骨结节后端外侧缘之间的距离 查看答案
题型:多项选择题 某社区举办2010年上海世博会知识宣传活动,进行现场抽奖.现有“世博会会徽”、“海宝”(世博会吉祥物)图案和普通卡片三种卡片共24张.(1)若已知“世博会会徽”共3张,若从中任取出1张卡片,取到“海宝”的概率是16.问普通卡片的张数是多少?(2)现将1张“世博会会徽”、2张“海宝”、3张普通卡片放置抽奖盒中,抽奖规则是:抽奖者每次抽取两张卡片,若抽到两张“海宝”卡获一等奖,抽到“世博会会徽”获二等奖.求抽奖者获奖的概率. 查看答案