低温脱硝技术可用于处理废气中的氮氧化物,发生的化学反应为:2NH3(g)+NO(

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问题:

低温脱硝技术可用于处理废气中的氮氧化物,发生的化学反应为:2NH3(g)+NO(g)+NO2(g)2N2(g)+ 3H2O(g) △H<0,在恒容的密闭容器中,下列有关说法正确的是 [ ]

A.平衡时,其他条件不变,升高温度可使该反应的平衡常数增大

B.平衡时,其他条件不变,增加NH3的浓度,废气中氮氧化物的转化率减小

C.单位时间内消耗NO和N2的物质的量比为1:2时,反应达到平衡

D.其他条件不变,使用高效催化剂,废气中氮氧化物的转化率增大

考点:影响化学平衡的因素达到化学平衡的标志
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高血压病人做到下列几条措施可以减少并发症,提高生命质量

A.限制钠摄入

B.减轻体重

C.运动

D.坚持合理服药

E.病人定时自测血压

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根据短文内容及首字母提示,填写所缺单词,使短文意思完整,每空限填一词。

The worst traveler in the world was Paul of San Francisco. Once he f 小题1: from the U.S. to his hometown in Italy to see someone at home. The plane made a one-hour stop to get oil at an airport in New York. Paul thought he was in Rome,  s小题2: he got off the plane.

  When nobody was there to meet him, Paul thought maybe the heavy  t 小题3:  made his friends late. While looking for their address, Paul found that the old “Rome” had changed a lot. He found many high m   小题4:  buildings instead of old ones. He also found that many people spoke English but not Italian and that main street signs were w   小题5:  in  English.

  Paul knew very l   小题6: English. So he asked a policeman in Italian the way to the bus station. He happened to meet a policeman who was also born in Italy and answered in the same l   小题7:   .

  After twelve hours’ traveling round on a bus, the driver handed him over to  a 小题8: policeman But this time, this policeman could only speak English. So Paul asked the policeman why the Rome police employed(雇佣)so many people who spoke English as policemen.

  Paul didn’t b   小题9: he was in New York when he was told so. To get him on a plane to Italy, he was s小题10:    to the airport in a police car. 

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失神发作与复杂部分性发作的鉴别,哪项不对()

A.意识障碍持续时间前者较后者长

B.发作终止前者较后者快

C.神经元放电起始部位不同

D.EEG表现不同

E.药物治疗不同

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下列属于建设法规调整的对象的是()。

A.建设活动中的行政管理关系

B.建设活动中的经济协调关系

C.建设活动中的民事关系

D.建设活动中的政策关系

题型:选择题

演示初级心肺复苏操作步骤。

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