某地区大气压力为100kPa,有一设备需在真空度为80kPa条件下,试求该设备绝对压

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问题:

某地区大气压力为100kPa,有一设备需在真空度为80kPa条件下,试求该设备绝对压力为多少?

考点:化工总控工考试化工总控工考试题库
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读下面对话,从所给的七个选项中选出五个正确答语完成对话。
(Millie and Daniel are talking about yesterday's Maths exam.)
(M=Millie D=Daniel)
A. If I can't pass, I will not enjoy my weekend.
B. It was easy for me, I think.
C. Would you like to help me with my Maths?
D. I can go to the zoo instead of you.
E. I hope you can pass it.
F. It was difficult for me.
G. Can you pass it?
M: What do you think of yesterday's Maths exam, Daniel?
D: 1.              You know, I am not good at Maths. But I did my best.
M: 2.              
D: I'm not sure.3.            .
M: What do you mean?
D: I mean that I cannot go to the zoo this weeked. My parents will make me study at home.
M: Oh, never mind. 4.             
D: Thank you, Millie. I hear you are good at Maths. 5.             
M: No problem.
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教科书的编写应遵循哪些原则

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乳腺癌疼痛时,除了应用药物及神经阻滞,另一种有效的方法是()。

A.心理治疗

B.针灸

C.激素疗法

D.按摩

E.化疗

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单剂量固体制剂含量均匀度的检查是为了

A.控制小剂量固体制剂、单剂中含药量的均匀程度

B.严格重量差异的检查

C.严格含量测定的可信程度

D.避免制剂工艺的影响

E.避免辅料造成的影响

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患者翻身时采取的理想卧位是()

A.30度侧卧位

B.90度侧卧位

C.半坐卧位

D.直立位

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