[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f7mjcW0DeErtkPAEL4Sam0SZTFnN-J6_0aLJy2dYUk_U":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":16,"related":17,"source":28,"type":29},[],"2025-12-19 04:05:07",273216550,[8,9,10,11],"OpenSplice DDS","Fast DDS","Taqny DDS","RTI Connext DDS",{"courseId":13,"courseImg":14,"courseName":15},"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","ROS 2的默认通信后端是哪一个",[18,30,39,48,57,66,75,84,93,102],{"answer":19,"createTime":20,"id":21,"options":22,"question":27,"source":28,"type":29},[],"2025-12-16 16:23:44",268638292,[23,24,25,26],"900mg·L-1","90mg·L-1","9mg·L-1","0.9mg·L-1","某吸光物质(Mr=180)的ε=6×103L·mol-1·cm-1,稀释10倍后,在1cm吸收池中测得吸光度为0.30,则原溶液的质量浓度为","v1",0,{"answer":31,"createTime":20,"id":32,"options":33,"question":38,"source":28,"type":29},[],268638293,[34,35,36,37],"0.151","0.301","0.500","0.602","将某波长的单色光通过厚度为1cm的溶液时,透射光强度为入射光强度的1\u002F2,若该溶液厚度为2cm时,吸光度应为",{"answer":40,"createTime":20,"id":41,"options":42,"question":47,"source":28,"type":29},[],268638294,[43,44,45,46],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F93199b81b4be609b9dce7556b916bd48.png\">=M","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ff937d912cc01788a20718b8e2262f521.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fe5d4a1d4c98c30b49a948bc927011742.png\">M","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ff937d912cc01788a20718b8e2262f521.png\">M","质量吸光系数\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F69a48fefd33cd6160c31522a819600e5.png\">与摩尔吸光系数\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F8a9e292beba29d65e7a51918f1f4419a.png\">的关系可用下式表示",{"answer":49,"createTime":20,"id":50,"options":51,"question":56,"source":28,"type":29},[],268638295,[52,53,54,55],"c(A)=c(B)","2c(A)=c(B)","c(A)=2c(B)","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F1b69ad4ddbe769dbbaeea75dcea2512b.png\">= c(B)","符合Beer定律的某有色物质的两种不同浓度的溶液A和B,在同一波长处进行测量,当A溶液用1cm吸收池,B溶液用2cm吸收池时,测得的吸光度相同,则A和B溶液浓度间的关系为",{"answer":58,"createTime":20,"id":59,"options":60,"question":65,"source":28,"type":29},[],268638296,[61,62,63,64],"向短波方向移动","向长波方向移动","不左右移动,但峰高改变","既不左右移动,也不改变峰高","符合Lambert-Beer定律的某有色溶液,当其浓度改变时,吸收曲线上的最大吸收峰的位置",{"answer":67,"createTime":20,"id":68,"options":69,"question":74,"source":28,"type":29},[],268638297,[70,71,72,73],"0","1","100","∞","分光光度计显示透光率T为0时,相应的吸光度A为",{"answer":76,"createTime":20,"id":77,"options":78,"question":83,"source":28,"type":29},[],268638298,[79,80,81,82],"入射光波长为260nm","溶液中待测物浓度为2mol·L-1","测定时温度为40℃","溶液中吸光物质稳定","下列哪种情况下,Lambert―Beer定律不能成立",{"answer":85,"createTime":20,"id":86,"options":87,"question":92,"source":28,"type":29},[],268638299,[88,89,90,91],"该定律仅适合于可见光区的单色光","该定律只能用于有色物质测定","其它条件一定,入射光波长改变,\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F8a9e292beba29d65e7a51918f1f4419a.png\"> 和A都会改变","其它条件一定,被测溶液浓度改变,\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F8a9e292beba29d65e7a51918f1f4419a.png\"> 和A都会改变","关于Lambert―Beer定律,下列叙述正确的是",{"answer":94,"createTime":20,"id":95,"options":96,"question":101,"source":28,"type":29},[],268638300,[97,98,99,100],"消除仪器的测量误差","消除溶剂及显色剂等对入射光的吸收","消除溶液偏离Beer定律引起的误差","掩蔽干扰离子","分光光度法中采用试剂空白的目的是",{"answer":103,"createTime":20,"id":104,"options":105,"question":110,"source":28,"type":29},[],268638301,[106,107,108,109],"①100,②0","①0,②100","①0,②∞","①∞,②0","当空白溶液置入光路时应调节分光光度计使①T,②A分别为"]