什么是进汽机构的节流损失?它与哪些因素有关?如何减少该项损失?

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问题:

什么是进汽机构的节流损失?它与哪些因素有关?如何减少该项损失?

考点:发电厂集控运行技术考试发电厂集控运行技术考试题库
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某体操队有些队员来自广西。
以上判断的对象是:

A.某体操队。

B.某体操队有些队员。

C.体操队。

D.体操队员。

E.某体操队的所有队员。

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在食盐、碳酸氢铵、熟石灰、大理石、硝酸钾等五种五种中,常用来改良酸性土壤的是______,常用来做融雪剂的是______,常用作建筑装饰材料的是______.

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触诊时语音震颤增强最常见于()。

A.大叶性肺炎

B.胸壁皮下气肿

C.上腔静脉阻塞综合征

D.支气管肺炎

E.慢性支气管炎

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合伙企业解散,应当由清算人进行清算。清算人的产生方式有( )。

A.全体合伙人担任清算人

B.由全体合伙人指定一个或数个合伙人担任清算人

C.由全体合伙人委托第三人担任清算人

D.由人民法院指定清算人

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"I would almost rather see you dead. " Bobert S. Cassatt, a leading banker of Philadelphia, shouted when his twenty-year-old eldest daughter announced that she wanted to become an artist. In the 19th century, playing at drawing or painting on dishes was all right for a young lady, but serious work in art was not. And when the young lady’ s family racked among the best of Philadelphia’s social families, such an idea could not even be considered.
That was how Mary Cassatt, born 1844, began her struggle as an artist. She did not tremble before her father’s anger, she opposed him with courage and at last made him change his mind. Mary Cassatt gave up her social position and all thoughts of a thousand and a family, which in those times was unthinkable for a young lady. In the end, after long years of hard work and perseverance, she became America’s most important woman artist and the internationally recognized leading woman painter of the time.

What in fact was Mr Cassatt’ s main reason in opposing his daughter’ s wish

A. Drawing and painting was simply unthinkable among ladies in those days.
B. He did not believe his daughter wanted to work seriously in art.
C. He believed an artist’ s life would be too hard for his daughter.
D. Ladies of good families simply did not become artists in those times.

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