目的 比较随机临床试验中等渗性碘克沙醇与非离子型低渗性对比剂（LOCM）的肾毒性。方法 本Meta分析系统地检索了MEDLINE、EMBASE、BIOSIS、Web of Science、ISI知网、Medizin近期期刊报道、Cochrane图书馆（截至2007年8月）、有关试...目的 比较随机临床试验中等渗性碘克沙醇与非离子型低渗性对比剂（LOCM）的肾毒性。方法 本Meta分析系统地检索了MEDLINE、EMBASE、BIOSIS、Web of Science、ISI知网、Medizin近期期刊报道、Cochrane图书馆（截至2007年8月）、有关试验记录、会议记录及文献列表中的研究，也向所有的对比剂制造商咨询了未能检索到的研究。展开更多
A search for the doubly charmed baryon ■^+cc is performed through its decay to theΛ^+c K^-π^+ final state,using proton-proton collision data collected with the LHCb detector at centre-of-mass energies of 7,8 and 13...A search for the doubly charmed baryon ■^+cc is performed through its decay to theΛ^+c K^-π^+ final state,using proton-proton collision data collected with the LHCb detector at centre-of-mass energies of 7,8 and 13 TeV.The data correspond to a total integrated luminosity of 9 fb^-1.No significant signal is observed in the mass range from 3.4 to 3.8 GeV/c^2.Upper limits are set at 95%credibility level on the ratio of the ■^+cc production cross-section times the branching fraction to that ofΛ^+c and ■^++cc baryons.The limits are determined as functions of the ■^+cc mass for different lifetime hypotheses,in the rapidity range from 2.0 to 4.5 and the transverse momentum range from 4 to 15 GeV/c.展开更多
文摘目的 比较随机临床试验中等渗性碘克沙醇与非离子型低渗性对比剂（LOCM）的肾毒性。方法 本Meta分析系统地检索了MEDLINE、EMBASE、BIOSIS、Web of Science、ISI知网、Medizin近期期刊报道、Cochrane图书馆（截至2007年8月）、有关试验记录、会议记录及文献列表中的研究，也向所有的对比剂制造商咨询了未能检索到的研究。
基金support from CERN and from the national agencies:CAPES,CNPq，FAPERJ and FINEP(Brazil)MOST and NSFC(China)+11 种基金CNRS/IN2P3(France)BMBF,DFG and MPG(Germany)INFN(Italy)KWO(Netherlands)MNiSW and NCN(Poland)MEN/IFA(Romania)MinES and FASO(Russia)MinECo(Spain)SNSF and SER(Switzerland)NASU(Ukraine)STFC(United Kingdom)NSF(USA).
文摘A search for the doubly charmed baryon ■^+cc is performed through its decay to theΛ^+c K^-π^+ final state,using proton-proton collision data collected with the LHCb detector at centre-of-mass energies of 7,8 and 13 TeV.The data correspond to a total integrated luminosity of 9 fb^-1.No significant signal is observed in the mass range from 3.4 to 3.8 GeV/c^2.Upper limits are set at 95%credibility level on the ratio of the ■^+cc production cross-section times the branching fraction to that ofΛ^+c and ■^++cc baryons.The limits are determined as functions of the ■^+cc mass for different lifetime hypotheses,in the rapidity range from 2.0 to 4.5 and the transverse momentum range from 4 to 15 GeV/c.
