[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fOGNt2CuYX_KCV2rKv5uJk8VEy_58D2kQCjyK1H85TUY":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":31,"type":32},[],"2024-06-13 23:34:33",150693926,[8,9,10,11],"氢气","氩气","氮气","氧气",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},50,"c38305a39966a73d2b44933080a801ad","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F17c568eafb3df7e17aa8fa3716435b20.jpg","仪器分析","work_35579201","现代仪器分析复习1","对ECD检测器损害较大的气体是( )",[21,33,42,52,61,70,73,82,91,100],{"answer":22,"createTime":23,"id":24,"options":25,"question":30,"source":31,"type":32},[],"2024-06-13 23:32:59",150693921,[26,27,28,29],"U形柱","螺旋形柱","毛细管柱","直形填充柱","在液相色谱中, 为了获得较高柱效能, 常用的色谱柱是( )","v1",0,{"answer":34,"createTime":35,"id":36,"options":37,"question":41,"source":31,"type":32},[],"2024-06-13 23:34:34",150693922,[38,39,40],"宽的流速范围,并能适于指定的溶剂","宽的入口压力范围,并能适于所有的溶剂","宽的流速范围和窄的入口压力范围 D 窄的流速范围和宽的入口压力范围","对液相色谱仪溶剂输送系统的主要要求是( )",{"answer":43,"createTime":44,"id":45,"options":46,"question":51,"source":31,"type":32},[],"2024-06-12 14:55:33",150693923,[47,48,49,50],"组合柱","程序变流速","程序升温","梯度洗脱","使用高效液相色谱仪分离复杂样品,常液系脱分离效果不好时,最常用的改善分离方法是( )",{"answer":53,"createTime":35,"id":54,"options":55,"question":60,"source":31,"type":32},[],150693924,[56,57,58,59],"20-50cm","1-2m","2-5m","10-30cm","在高效液相色谱中,色谱柱的长度一般在( )范围内",{"answer":62,"createTime":23,"id":63,"options":64,"question":69,"source":31,"type":32},[],150693925,[65,66,67,68],"外标法","外标标准曲线法","内标法","面积归一化法","液相色谱定量分析时,要求混合物中每一个组分都出峰的是( )",{"answer":71,"createTime":5,"id":6,"options":72,"question":19,"source":31,"type":32},[],[8,9,10,11],{"answer":74,"createTime":23,"id":75,"options":76,"question":81,"source":31,"type":32},[],150693927,[77,78,79,80],"1.5","1.2","2.0","1.0","对于峰高相同的对称峰,达到基线分离时,分离度为( )",{"answer":83,"createTime":35,"id":84,"options":85,"question":90,"source":31,"type":32},[],150693928,[86,87,88,89],"极性变化范围宽的试样","沸点相差大的试样","沸点相近,官能团相同的化合物","异构体","在液相色谱中,梯度洗脱适用于分离( )",{"answer":92,"createTime":5,"id":93,"options":94,"question":99,"source":31,"type":32},[],150693929,[95,96,97,98],"分离检测同时进行","上机就可以进样分析","分离后检测样品","样品量越大,分析结果越准确","对于色谱仪的工作过程,下述描述中正确的是( )",{"answer":101,"createTime":5,"id":102,"options":103,"question":108,"source":31,"type":32},[],150693930,[104,105,106,107],"吸光度","分配系数","沸点差","温度差","色谱法分离混合物的可能性决定于试样混合物在固定相中( )的差别"]