简述胸腔闭式引流的目的?

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问题:

简述胸腔闭式引流的目的?

考点:护理学(医学高级)九、围手术期患者护理九、围手术期患者护理题库
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在体积为V L的恒容密闭容器中盛有一定量H2,通入Br2(g)发 生反应:H2(g)+Br2(g) 2HBr(g) ΔH<0。当温度分别为T1、T2,平衡时,H2的体积分数与Br2(g)的物质的量变化关系如图所示。下列说法正确的是

A.由图可知:T2>T1

B.a、b两点的反应速率:b>a

C.为了提高Br2(g)的转化率,可采取增加Br2(g)通入量的方法

D.T1时,随着Br2(g)加入,平衡时HBr的体积分数不断增加

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书面表达。
     最近,教育部启动了“阳光体育”运动,建议全国中小学生每天锻炼一小时,让他们健康、
快乐。此项活动受到广大学生的欢迎。李华对所在学校学生参加活动的情况和反映做了一个调
查。请你根据下面调查表的内容,帮他给校报写一篇报道。报道的开头和结尾已给出。
词数:80词左右。
Interviewees (调查对象)ActivitiesFeelingsReasons
most studentsplay sportsinterestedhave lots of fun
many studentsskip rope (跳绳)happykeep healthy
some studentstake a walkrelaxedenjoy fresh air instead of
staying in the classroom
a few studentsworriedhave no enough room (空间)
on the playground; have no
enough time to finish
homework
     The "Sunshine Sports" program is warmly welcomed in our school. Nearly all the students have
taken part in it. ____________________________________________________________________
_________________________________________________________________________________
     No matter what students think about the program, all the students like the idea which is to make
students happy and keep them fit at the same time.
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Good health is __________ most people take for granted--- until they lose it .

A.anything

B.everything

C.nothing

D.something

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为避免消弧线圈的抽头处于IL=IC时出现谐振,应满足IL>IC,且IL选得越大越好。

题型:问答题 简答题

粘贴法木地板的施工。

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