更多"淮南煤收到基的元素分析成分为：Car＝55.42%，Har=5.81%"的相关试题:
[单项选择]某链条炉排锅炉所用燃煤的收到基元素分析成分如下：Car54.7%，Har=0.78%，Dar=2.23%，Nar=0.28%，Sar=0.89%，Aar=33.12%，Mar=8%，Oar=18187kJ/kg，则理论烟气量中氮气的体积为（）m3/kg。
A. 3.98
B. 3.26
C. 2.88
D. 1.03
[单项选择]以下程序的输出结果是______。 struct HAR {int x,y;struct HAR *p;}h[2] main（ ） { h[0].x=1;h[0].y=2 h[1].x=3;h[1].y=4 h[0].p=&h[1];h[1].p=h printf("%d%d/n",（ ）h[0].p)-＞x,(h[1].p-＞y); }
A. 12
B. 23
C. 14
D. 32
[单项选择]International students in China usually have a hard time writing Chinese characters of numerous ______.
A. strings
B. strokes
C. strikes
D. stresses
[单项选择]Scientists are responsible for people who hold harmful beliefs about human nature because ______.
A. the theories of scientists are used as justification for such harmful beliefs
B. only through science can these people be refuted
C. they have an obligation to correct their mistakes
D. scientists are the ones who know the true nature of humankind
[单项选择]After the seventeenth century, the majority of Harvard graduates entered professions______ the ministry.
A. better than
B. more than
C. other than
D. less than
[单项选择]Reporters at Channel 6 News should have worked harder to confirm the scandalous story before ______ it to the world as fact.
A. announcing
B. announced
C. announces
D. announcement
[单项选择]Mother kept telling my little brother to study hard, but ______ didn't work.
[单项选择]某厂所用的燃料油收到基的低位发热量Qar，net=45000kJ/kg，则其燃烧时的理论空气量为（）m3/kg。
A. 11.14
B. 10.6
C. 9.89
D. 12.56
[单项选择]The best way to pass an examination is to work hard all the year round.
[单项选择]天然气收到基的高位发热量（Qar，gr=40000kJ/m3，则其燃烧时的理论空气量为（）m3/m3。
A. 9.6
B. 8.58
C. 7.72
D. 9.257
