[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fIO5RPgzbfHDzOU8_X-NFrEfcyD6qKjmcuxFOo8aftyg":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2024-03-13 21:55:48",133949679,[8,9,10,11],"大于","小于","不确定","等于",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},57,"eb3e2b5f1ed5da6e87af435695fe90db","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F48eba3395437dd881b1b9275a0ad1028.png","熔融纺丝及质量控制","work_32722803","作业2:聚酯纤维(浆料、酯化)","聚酯生产,在浆料配制时,EG : PTA摩尔比为2:1,在其他配比和工艺条件正常的情况下,所得的产物PET特性粘度( )0.62~0.68dL\u002Fg",[21,32,41,50,59,68,77,86,89,98],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],133949660,[25,26,27,28],"酯化反应时的液位用放射源液位计测定","酯化反应为全部PTA和EG的反应,反应速度慢","酯化反应为均相反应","酯化反应速度与原料中PTA、EG浓度无关","直接酯化法生产聚酯PET,酯化率<89%时,下列说法正确的是( )","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],133949663,[36,37,38,39],"PTA","MEG","BHET","PET","直接酯化法生产聚酯PET,酯化反应产物是( )",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":30,"type":31},[],133949665,[45,46,47,48],"4个","1个","3个","2个","直接酯化法生产聚酯PET,杜邦公司三釜流程中有( )酯化釜",{"answer":51,"createTime":5,"id":52,"options":53,"question":58,"source":30,"type":31},[],133949668,[54,55,56,57],"对羧基苯甲酸","对二甲苯","对苯二甲酸","对羧基苯甲醛","PTA质量指标中4- CBA的中文名称是( )",{"answer":60,"createTime":5,"id":61,"options":62,"question":67,"source":30,"type":31},[],133949670,[63,64,65,66],"氢化三联苯","联苯和联苯醚","联苯","联苯醚","汽相热媒的主要成分是( )",{"answer":69,"createTime":5,"id":70,"options":71,"question":76,"source":30,"type":31},[],133949674,[72,73,74,75],"第2、5、9层","第3、7、11层","第5、9、13层","第4、9、12层","直接酯化法生产聚酯PET,工艺塔中灵敏板温度尤其重要,灵敏板为( )板",{"answer":78,"createTime":5,"id":79,"options":80,"question":85,"source":30,"type":31},[],133949676,[81,82,83,84],"红色粉末","红色透明固体","白色粉末","黄色透明液体","PTA在常温下是( )",{"answer":87,"createTime":5,"id":6,"options":88,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":90,"createTime":5,"id":91,"options":92,"question":97,"source":30,"type":31},[],133949681,[93,94,95,96],"二氧化钛","三氧化二锑","乙二醇锑","单季戊四醇","聚酯生产中使用A添,其A添的化学名称是( )",{"answer":99,"createTime":5,"id":100,"options":101,"question":106,"source":30,"type":31},[],133949683,[102,103,104,105],"80","75","89","70","直接酯化法生产聚酯PET,当酯化率( )%,固相PTA全部溶解,酯化反应速度快"]