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针对应急演练活动可能发生的意外情况制定演练保障方案或应急预案并进行演练，做到相关人员应知应会，熟练掌握
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室外有毒气体检测报警点应设在与有毒气体释放点2m以内
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裂解炉升温过程中排烟温度过高连续排污开度太小，使
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单位发生火灾时，应当立即实施灭火和应急疏散预案，务必做到及
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输送易燃液体管道内壁要光滑，以减少液体摩擦防止产生静电。管道输送物料的流速对静电产生无影响
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根据卫生部《高毒物品目录》乙烯装置所用助剂液氮属于高毒物,PC-STEL值为20mg/m2
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泵的排液操作必须在确认泵已彻底切出的条件下进行
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现场处置方案中附件的有关应急部门、机构或人员的联系方式应列出应急工作中需要联系的部门、机构或人员的多种联系方式，并不断进行更新
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铀中毒在职业病目录中属于职业性放射性疾病
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各级人民政府应当组织开展经常性的消防宣传教高提高公民的消防安全意识
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裂解炉点火的测爆时，只需检测裂解炉炉膛内可燃气体浓度
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乙快气瓶与氧气瓶应放在通风良好的事用瓶内不得驾近火源或在烈时下暴晒
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化工生产中的主要清染物是三度“三废指的是废水、废气、废渣、
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《中华人民共和国有防法》规定里位的安全管理人员是本理位的为防安全责任人
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A类火灾指液体火灾或可培化固体物质火灾
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设备出厂检修，应进行充分置换以防治污染物转移
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去干燥器的裂解气的温度控制过低，会形成烃水合物（白色晶体）.而使床层阻力降上升，裂解气压缩机负荷增大及管线、设备堵塞
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遇到6级以上大风时，不应进行露天高处作业
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生产经营单位应急预案未按照本办法规定备案的，由县级以上安全生产监督管理部门给予警告，并处三万元以下罚款
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油罐着火后一般在发生突沸前数分钟油概会有息烈振动、发出强烈旺严音
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管式裂解炉具有高温、短停留、低烃分压的特点
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裂解炉辐射段超温后可以通过降低裂解炉投料量，提高稀释蒸汽量来避免炉管损坏
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血常规检查白细胞计数低于5.0×109/L者为苯的职业禁忌证
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裂解炉出口热电偶每两年至少应检查、校验一次
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运行安全要求反应器在设计的压力和温度下进行.尤其要注意温度上升很快的情况、因为加氢反应是强放热 反应.当温升很快时有可能形成局部热点而发生非接触式反应，失去控制造成严重后果
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二氧化碳是属于国际公约管制的温室气体。正确答案、
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裂解炉点火时，利用已经点燃的烧嘴引燃其他烧嘴极易引起炉膛爆鸣、必须严格禁止。正确答案、
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环境危害极大的酸雨，其中主要成分为二氧化硫
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210，一氧化碳在空气中能燃烧、发出蓝色火焰。生成二氧化碳
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我国对水污染排放物实行总量控制。正确答案、
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裂解炉点火前，开引风机抽15min。进行常明线系统的泄露测试后点火，避免炉膛内可燃气聚集
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吸声材料对于高频噪声是很有用的，对于低频噪声就不太有效了
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在乙烯生产中，乙烯、乙烷、丙烯气电阻率大都在1010 - 1015Ω·cm，属于低导电物质，所以在输运过程中不易产生靜电
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参与演练单位不可对本单位的演练情况进行总结
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A. She is a typist.
B. She is talking to her friend.
C. She is having a holiday.
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B. rowns. B.The cat is my favourite too.
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A. I'd rather stay here if you don't mind.
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A. Hold on. I'll get her.
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A. No, you needn't
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-I'm sorry to hear that you failed in the exam______.
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-Hello, may I speak to Zhao Hua?_____.
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___This is Mr Smith speaking now.
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A. Certainly
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A. Who are you?
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A. I'm so glad
B. I'm sorry
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A. her teacher worked hard.
B. Susan worked hard.
C. the teacher was surprising.
D. Susan was surprised.
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- Peter, don't step on the grass_______.
A. It doesn't matter
B. I can't do it
C. Don't worry
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A. It went very well.
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A. Happy birthday to you
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Tom is so talkative. I’m sure you'll soon get tired ___ him.
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___ is your girl friend like? She is very kind and good-looking.
A. How
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He ___ driving me home, even though I told him I lived nearby.
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We came finally ___the conclusion that she has been telling lies all the time.
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I won’t make the___mistake next time.
A. like
B. same
C. near
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