汽缸高温螺栓断裂的原因有哪些方面?

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问题:

汽缸高温螺栓断裂的原因有哪些方面?

考点:汽轮机检修汽轮机运行与检修汽轮机运行与检修题库
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男,68岁,有糖尿病史9年,中午睡觉醒后发现右侧肢体无力,10小时后仍在加重。体查:右鼻唇沟变浅,伸舌偏右,右上肢肌力2级,右下肢肌力3级,右侧上肢和面部感觉减退,血压135/80mmHg,心电图示房性早搏,根据以上该患者最可能的诊断是()

A.脑出血

B.脑栓塞

C.脑血栓形成

D.颅内硬膜外血肿

E.脑炎

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下列属于财产保险的是()。

A.意外伤害保险

B.健康保险

C.责任保险

D.人寿保险

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  3元=(  )角                    4角=(  )分   

(  )分=5角                     (  )角=7元   

  1元8角=(  )角               2角3分=(  )分

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刷辫、刷握连接牢固,电刷在刷握中上下灵活,间隙不大于0.3mm,电刷接触面积不少于()。

A、75%

B、70%

C、75.5%

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Exercising to music pumps up brain power


If music makes you smarter, and exercise helps brain function, can exercising to music really boost brainpower Some researchers said it can. Volunteers who listened to Vivaldi’s "Four Seasons" while working out on a treadmill did much better on a test of (1) ability than when they exercised without music, a team (2) Ohio State University found.
"Evidence suggests that exercise improves the (3) performance of people with coronary artery (4) ," said psychologist Charles Emery, who led the study.
"And listening to music is (5) to enhance brainpower. We wanted to put the two results together," Emery (6) in a statement.
Writing in the latest issue of the journal Heart & Lung, Emery and (7) said they studied 33 men and women taking (8) in a cardiac rehabilitation program after having bypass (9) , angioplasty or other procedures to treat clogged arteries.
The (10) said they felt better emotionally and mentally after working out (11) or without the music. But their improvement on the (12) fluency test doubled after listening to music on the treadmills.
"Exercise seems to (13) positive changes in the nervous system, and these changes may have a (14) effect on cognitive ability," Emery said.
"Listening to music may (15) cognitive function through different pathways in the brain. The combination of music (16) exercise may stimulate and increase cognitive arousal (17) helping to organize cognitive output."
Emery said he now wanted to (18) people using music of their own choice. "We used the ’Four Seasons’ because of its (19) tempo and positive effects on medical patients in previous (20) ," Emery said. "But given the range of music preferences among patients, it’s especially important to evaluate the influence of other types of music on cognitive outcomes.\

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