The angular distributions,excitation functions and absolute cross sections of a parti-cles from p-<sup>11</sup>B reaction for proton energies from 778 keV to 3389 keV are measured.The PIPS(Passivated Impl...The angular distributions,excitation functions and absolute cross sections of a parti-cles from p-<sup>11</sup>B reaction for proton energies from 778 keV to 3389 keV are measured.The PIPS(Passivated Implanted Planar Silicon)and ΔE detector spectrometer is used to distinguish theprotons and α particles based on the fact that proton peak has larger displacement when protonspass through the ΔE detector.Whole spectra of <sup>11</sup>B(p,2α)<sup>4</sup>He subsequential decay via the firstexcited state of <sup>8</sup>Be are first measured.The behavior of the cross section is discussed.展开更多
To develop a cleaner production process of H2O2-based chlorine dioxide, this paper presents a study on reaction mechanism and dynamics of the process.It is shown that a complex H2ClO2-ClO 3 exists as an intermediate i...To develop a cleaner production process of H2O2-based chlorine dioxide, this paper presents a study on reaction mechanism and dynamics of the process.It is shown that a complex H2ClO2-ClO 3 exists as an intermediate in the process.A rational reaction process is proposed, which unifies several reaction mechanisms reported by different researchers in a wider range of reaction temperature.A theoretical model of the dynamics is presented, and parameters of the model are experimentally estimated and verified.展开更多
基金The project supported in part by Natiortal Natural Science Foundation of China and Nucleat Industry Science Foundation of China
文摘The angular distributions,excitation functions and absolute cross sections of a parti-cles from p-<sup>11</sup>B reaction for proton energies from 778 keV to 3389 keV are measured.The PIPS(Passivated Implanted Planar Silicon)and ΔE detector spectrometer is used to distinguish theprotons and α particles based on the fact that proton peak has larger displacement when protonspass through the ΔE detector.Whole spectra of <sup>11</sup>B(p,2α)<sup>4</sup>He subsequential decay via the firstexcited state of <sup>8</sup>Be are first measured.The behavior of the cross section is discussed.
文摘To develop a cleaner production process of H2O2-based chlorine dioxide, this paper presents a study on reaction mechanism and dynamics of the process.It is shown that a complex H2ClO2-ClO 3 exists as an intermediate in the process.A rational reaction process is proposed, which unifies several reaction mechanisms reported by different researchers in a wider range of reaction temperature.A theoretical model of the dynamics is presented, and parameters of the model are experimentally estimated and verified.