[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fzgs9eCTBxdRMhTNJT9-MD0CxQlIuPzKgvxe-eO9ygMQ":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":31,"type":32},[],"2025-01-02 13:07:43",174303013,[8,9,10,11],"不需要安装打印机驱动程序","用户需要根据打印机的型号,安装相应的打印机驱动程序","需要安装打印应用程序","系统将自动安装打印机驱动程序",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},209,"30a57afc20705e51f3b8170a9db79358","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F87186a55d770b757b4c3a4c3ec53b4de.jpg","大学计算机基础","work_39769331","期末练习题-第二章","在Windows中在实施打印前()",[21,33,41,50,59,68,77,86,95,104],{"answer":22,"createTime":23,"id":24,"options":25,"question":30,"source":31,"type":32},[],"2024-12-17 13:16:03",171706415,[26,27,28,29],"高分子多孔小球","硅胶","ODS","YWG-C18H37","薄层色谱法最常用的固定相是( )","v1",0,{"answer":34,"createTime":23,"id":35,"options":36,"question":40,"source":31,"type":32},[],171706416,[27,37,38,39],"煅石膏","羧甲基纤维素钠","荧光物质","硅胶G薄层板中G指的是( )",{"answer":42,"createTime":23,"id":43,"options":44,"question":49,"source":31,"type":32},[],171706417,[45,46,47,48],"K>1","K<1","ΔK≠0","K≠0","两组分能否用色谱法分离的前提条件是 ( )",{"answer":51,"createTime":23,"id":52,"options":53,"question":58,"source":31,"type":32},[],171706418,[54,55,56,57],"Rf,A>Rf,B>Rf,C","Rf,A>Rf,C>Rf,B","Rf,C>Rf,B>Rf,A","Rf,B>Rf,C>Rf,A","已知某混合物中A、B、C三组分,其分配系数分别为440,480及520,三组分在薄层色谱上的Rf值的大小顺序为( )",{"answer":60,"createTime":23,"id":61,"options":62,"question":67,"source":31,"type":32},[],171706419,[63,64,65,66],"理论板数","板高","死时间","分离度","常用来评价色谱分离条件选择是否合适的是( )",{"answer":69,"createTime":23,"id":70,"options":71,"question":76,"source":31,"type":32},[],171706420,[72,73,74,75],"0.22","1.2","2.5","1.5","测得两色谱峰的保留时间tR1=6.5min,tR2=8.3min,峰宽W1=1.0min,W2=1.4min,则两峰分离度只为( )",{"answer":78,"createTime":23,"id":79,"options":80,"question":85,"source":31,"type":32},[],171706422,[81,82,83,84],"0.85~1.15","0.90~1.10","0.95~1.05","0.99~1.01","色谱峰的拖尾因子在( )范围内符合要求",{"answer":87,"createTime":23,"id":88,"options":89,"question":94,"source":31,"type":32},[],171706424,[90,91,92,93],"tRˊ","tR","VR","H","色谱法中不能用来定性的是( )",{"answer":96,"createTime":23,"id":97,"options":98,"question":103,"source":31,"type":32},[],171706426,[99,100,101,102],"固定液性质","载气种类","柱长","柱的直径","下列影响组分容量因子的主要因素( )",{"answer":105,"createTime":23,"id":106,"options":107,"question":111,"source":31,"type":32},[],171706428,[108,109,110,65],"峰面积","保留时间","保留体积","色谱法中,参数( )与含量成正比"]