皮皮学，免费搜题
登录
搜题
【简答题】
某液体在套管环隙内流动,大管规格为 φ56×3mm ,小管规格为 φ30×2.5mm, 液体粘度为 1mPa.s ,密度为 1000kg.m -3 ,流速为 1m.s -1 ,则该液体在套管环隙内流动的 Re=_________ 。
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】The message was passed from person to person until it reached the front of 10 the bus. But somewhere along the way, the message changed. By the time it reached the bus driver, it was not “There’s a bu...
【单选题】The locality in Mark Twain.s works was usually somewhere along（）
A.
the Hudson River
B.
the Mississippi River
C.
the Missouri River
D.
the transcontinental railway
【简答题】But somewhere along the way, the message changed.
【单选题】Somewhere along the________, holiday tipping went from an optional thank-you for a year of services to a Mafia-style protection racket.
A.
line
B.
queue
C.
thread
D.
parade
【单选题】Which of the following reconstructions best captures the argument in this passage from Ben Selznik, “Make it 18”: ...Currently, each state has its law set at 21. [This] reflects the fact that drinking...
A.
(1) Each state sets its drinking age at 21. (2) Drinking age became tied to highway funds somewhere along the way. ∴ (3)
B.
(1) Drinking age became tied to highway funds somewhere along the way. (2) Were a state to lower their drinking age, they would also have to significantly raise taxes to offset the lost highway funds from the government. ∴ (3) Each state sets its drinking age at 21. (from 1-2)
C.
(1) Drinking age became tied to highway funds somewhere along the way. (2) When drinking age is tied to highway funds, then, if a state lowers its drinking age below 21, then it will lose federal highway funds. ∴ (3) If a state lowers its drinking age below 21, then it will lose federal highway funds. (from 1-2) (4) If a state loses federal highway funds, then it would have to significantly raise taxes to offset the lost highway funds. ∴ (5) If a state lowers its drinking age below 21, then it would have to significantly raise taxes to offset the lost highway funds. (from 3-4) ∴ (6) States do not lower their drinking age below 21. (from 5) ∴ (7) Each state sets its drinking age at 21. (from 6)
D.
(1) Drinking age became tied to highway funds somewhere along the way. (2) When drinking age is tied to highway funds, then, if a state lowers its drinking age below 21, then it will lose federal highway funds. ∴ (3) If a state lowers its drinking age below 21, then it will lose federal highway funds. (from 1-2) (4) If a state loses federal highway funds, then it would have to significantly raise taxes to offset the lost highway funds. ∴ (5) If a state lowers its drinking age below 21, then it would have to significantly raise taxes to offset the lost highway funds. (from 3-4) (6) States do not do what will make them have to significantly raise taxes. ∴ (7) States do not lower their drinking age below 21. (from 5-6) (8) If states do not lower their drinking age below 21, then they set their drinking age at 21. ∴ (9) States set their drinking age at 21. (from 7-8)
【单选题】It was noted that after the injury the patient's face on the right side was flushed due to dilation of the blood vessels. The lack of vasoconstriction was due to interruption of what fibers somewhere ...
A.
Somatic afferent
B.
Somatic efferent
C.
Parasympathetic
D.
Sympathetic
E.
All of above
【单选题】The locality in Mark Twain's works is usually somewhere along ______ .
A.
the Hudson River
B.
the Missouri River
C.
the Mississippi River
D.
the Colorado River
相关题目：
参考解析：
知识点：
题目纠错 0
发布
