为你找到 1000 条关于 考试试题0-16 的结果
取样量高于0.1g的分析方法称为()
试样量高于100mg或试液体积高于10mL的均为常量分析
某指示剂的KHIn=1.0×10-4,其理论变色范围则为()
​变色范围为pKa±1,pKa=-lgka=4
某人对试样进行测定五次,求得各次的绝对偏差分别为+0.04,-0.02,-0.01,+0.01,+0.06,则此计算结果应该是()的
各绝对偏差之和应该是0或者无限的接近于0
用0.1000mol/LHCl溶液滴定25.00mLNaOH溶液,终点时消耗20.00mL,则NaOH溶液的浓度为()。
nNaOH=nHcl;cV(NaOH)=cV(HCl)0.1×20=c×25
计算分析浓度为0.10mol∙L-1的Na2HPO4水溶液的pH值()。(已知H3PO4的pKa1~pKa3分别是2.12、7.20、12.36.)
Ka2相当于两性物质中酸组分的Ka Na2HPO4作为酸时的解离常数为Ka3Ka1相当于两性物质中碱组分的共轭酸的Ka Na2HPO4作为碱,其共轭酸NaH2PO4的解离常数为Ka2= pH=-lg[H+]=9.78
pH=5.00时,0.20mol/L二元弱酸(H2A)溶液中,H2A的浓度为()mol/L(已知二元弱酸的pKa1=5.00,pKa2=8.00)
浓度=分布分数×分析浓度(注意:相加减的两个数据相差100倍时就可以把小的忽略掉),计算分布分数为0.5, 0.5×0.2=0.1
c(Na2CO3)=0.1mol/L的Na2CO3溶液的物料平衡式是()
[Na+]=0.2mol/L;CO32-在溶液中存在形式可能有三种:H2CO3、HCO3-、CO32-所有型体浓度之和为0.1mol/L
16.在使用include指令时,包含文件中的变量和方法可以与包含文件中的变量和方法同名,不会引发错误。()
16.下面关于Servlet的陈述正确的是:(多选)()(A)我们在浏览器的地址栏直接输入要请求的Servlet,该Servlet默认会使用doPost方法处理请求(B)Servlet运行在服务器端(C)Servlet的生命周期包括:实例化,初始化,服务,破坏,不可以用(D)Servlet不能向浏览器发送Html标签
无屈服阶段的塑性材料,以卸载后产生数值为0.2%塑性应变(残余应变)的应力值称为名义屈服极限(屈服强度)
在CuSO4溶液中,用铂电极以0.100A的电流通电10min,在阴极上沉积的铜的质量是多少()毫克已知铜的摩尔质量为64g/mol
t单位为s,i单位为A,m单位为g
16.春になりました。(   )まだ寒い。
PassageFourQuestions16to20arebasedonthefollowingpassage.ProfessorAshokGoelofGeorgiaTechdevelopedanartificiallyintelligentteachingassistanttohelphandletheenormousnumberofstudentquestionsintheonlineclass,Knowledge-BasedArtificialIntelligence.ThisonlinecourseisacorerequirementofGeorgiaTech’sonlineMasterofScienceinComputerScienceprogram.ProfessorGoelalreadyhadeightteachingassistants,butthatwasn’tenoughtodealwiththeoverwhelmingnumberofdailyquestionsfromstudents.Manystudentsdropoutofonlinecoursesbecauseofthelackofteachingsupport.Whenstudentsfeelisolatedorconfusedandreachoutwithquestionsthatgounanswered,theirmotivationtocontinuebeginstofade.ProfessorGoeldecidedtodosomethingtoremedythissituationandhissolutionwastocreateavirtualassistantnamedJillWatson,whichisbasedontheIBMWatsonplatform.GoelandhisteamdevelopedseveralversionsofJillWatsonbeforereleasinghertotheonlineforums.Atfirst,thevirtualassistantwasn’ttoogreat.ButGoelandhisteamsourcedtheonlinediscussionforumtofindallthe40,000questionsthathadeverbeenaskedsincetheclasswaslaunched.ThentheybegantofeedJillwiththequestionsandanswers.Aftersomeadjustmentsandsufficienttime,Jillwasabletoanswerthestudents’questionscorrectly97%ofthetime.Thevirtualassistantbecamesoadvancedandrealisticthatthestudentsdidn’tknowshewasacomputer.Thestudents,whowerestudyingartificialintelligence,wereinteractingwiththevirtualassistantandcouldn’ttellitapartfromarealhumanbeing.Goeldidn’tinformthemaboutJill’strueidentityuntilApril26.Thestudentswereactuallyverypositiveabouttheexperience.ThegoalofProfessorGoel’svirtualassistantnextyearistotakeoveranswering40%ofallthequestionsposedbystudentsontheonlineforum.ThenameJillWatsonwill,ofcourse,changetosomethingelsenextsemester.ProfessorGoelhasamuchrosieroutlookonthefutureofartificialintelligencethan,say,ElonMusk,StephenHawking,BillGatesorSteveWozniak.16.WhatdowelearnaboutKnowledge-BasedArtificialIntelligence?
PassageFourQuestions16to20arebasedonthefollowingpassage.ProfessorAshokGoelofGeorgiaTechdevelopedanartificiallyintelligentteachingassistanttohelphandletheenormousnumberofstudentquestionsintheonlineclass,Knowledge-BasedArtificialIntelligence.ThisonlinecourseisacorerequirementofGeorgiaTech’sonlineMasterofScienceinComputerScienceprogram.ProfessorGoelalreadyhadeightteachingassistants,butthatwasn’tenoughtodealwiththeoverwhelmingnumberofdailyquestionsfromstudents.Manystudentsdropoutofonlinecoursesbecauseofthelackofteachingsupport.Whenstudentsfeelisolatedorconfusedandreachoutwithquestionsthatgounanswered,theirmotivationtocontinuebeginstofade.ProfessorGoeldecidedtodosomethingtoremedythissituationandhissolutionwastocreateavirtualassistantnamedJillWatson,whichisbasedontheIBMWatsonplatform.GoelandhisteamdevelopedseveralversionsofJillWatsonbeforereleasinghertotheonlineforums.Atfirst,thevirtualassistantwasn’ttoogreat.ButGoelandhisteamsourcedtheonlinediscussionforumtofindallthe40,000questionsthathadeverbeenaskedsincetheclasswaslaunched.ThentheybegantofeedJillwiththequestionsandanswers.Aftersomeadjustmentsandsufficienttime,Jillwasabletoanswerthestudents’questionscorrectly97%ofthetime.Thevirtualassistantbecamesoadvancedandrealisticthatthestudentsdidn’tknowshewasacomputer.Thestudents,whowerestudyingartificialintelligence,wereinteractingwiththevirtualassistantandcouldn’ttellitapartfromarealhumanbeing.Goeldidn’tinformthemaboutJill’strueidentityuntilApril26.Thestudentswereactuallyverypositiveabouttheexperience.ThegoalofProfessorGoel’svirtualassistantnextyearistotakeoveranswering40%ofallthequestionsposedbystudentsontheonlineforum.ThenameJillWatsonwill,ofcourse,changetosomethingelsenextsemester.ProfessorGoelhasamuchrosieroutlookonthefutureofartificialintelligencethan,say,ElonMusk,StephenHawking,BillGatesorSteveWozniak.16.WhatdowelearnaboutKnowledge-BasedArtificialIntelligence?
宏宇公司为增值税一般纳税人,2019年5月购进生产用原材料取得增值税专用发票注明税额16万元,另支付运费取得增值税专用发票注明税额0.3万元。购进办公设备取得增值税专用发票注明税额3.2万元,上期留抵增值税税额为6.2万元:取得的增值税专用发票已通过税务机关认证。该公司下列进项税额中,准允从销项税额中抵扣的是