Anton Webem＇s （1883-1945） largest project of the early the 1930s, the Concerto for Nine （solo） Instrument＇s Op. 24, is for flute, oboe, clarinet, horn, trumpet, trombone, violin, viola, and piano. This serial w...Anton Webem＇s （1883-1945） largest project of the early the 1930s, the Concerto for Nine （solo） Instrument＇s Op. 24, is for flute, oboe, clarinet, horn, trumpet, trombone, violin, viola, and piano. This serial work＇s analysis became almost as famous as the concerto itself. Highly economical, short, concentrated and free relationship between the intervals take over from tonality as the main organizational principle ＂pontillistic＂ style. The clear and transparent frame ＂Klangfarbenmelodie＂, is a row, that was distributed among different instruments. So that, several notes can be heard in the same timbre. Like most of Webern works, there are quiet special effects like a whisper, string harmonics, pizzicato, muting, and athematic intevalic cells as the basic structural element. Concerto for Nine Instruments has succeeding series of twelve-tone works. Webern worked for a long time on the Concerto＇s raw, trying to arrive at an equivalent to the Latin word-square palindrome which reads the same left to right from the top, right to left from the bottom, downwards from the top left, or upwards from the bottom right.SATOR AREPO TENET OPERA ROTAS展开更多
The discrete variational (DV) and DMol methods within the framework of density functional theory are used to study the effect of alloying element Nb on Fe γ phase.The impurity formation energy in bulk and segregation...The discrete variational (DV) and DMol methods within the framework of density functional theory are used to study the effect of alloying element Nb on Fe γ phase.The impurity formation energy in bulk and segregation energies at grain boundary and free surface are calculated.The results show that Nb prefers to segregate at grain boundary.The difference in segregation energies between the grain boundary and the corresponding free surface is -0.39 eV for solute Nb.According to Rice-Wang model,it can be predicted that Nb can enhance grain boundary cohesion.The calculated results of interatomic energy and charge density show that charge would be redistributed,and the bonds across grain boundary are strengthened by the substitution of Nb for Fe.As a result,it is difficult for the grain boundary to move.Thus the dragging effect of Nb is explained electronically.展开更多
文摘Anton Webem＇s （1883-1945） largest project of the early the 1930s, the Concerto for Nine （solo） Instrument＇s Op. 24, is for flute, oboe, clarinet, horn, trumpet, trombone, violin, viola, and piano. This serial work＇s analysis became almost as famous as the concerto itself. Highly economical, short, concentrated and free relationship between the intervals take over from tonality as the main organizational principle ＂pontillistic＂ style. The clear and transparent frame ＂Klangfarbenmelodie＂, is a row, that was distributed among different instruments. So that, several notes can be heard in the same timbre. Like most of Webern works, there are quiet special effects like a whisper, string harmonics, pizzicato, muting, and athematic intevalic cells as the basic structural element. Concerto for Nine Instruments has succeeding series of twelve-tone works. Webern worked for a long time on the Concerto＇s raw, trying to arrive at an equivalent to the Latin word-square palindrome which reads the same left to right from the top, right to left from the bottom, downwards from the top left, or upwards from the bottom right.SATOR AREPO TENET OPERA ROTAS
基金This work was supported by 973 Project of China (No. G2000067102) the National Natural Science Foundation of China (Grant No. 59971041).
文摘The discrete variational (DV) and DMol methods within the framework of density functional theory are used to study the effect of alloying element Nb on Fe γ phase.The impurity formation energy in bulk and segregation energies at grain boundary and free surface are calculated.The results show that Nb prefers to segregate at grain boundary.The difference in segregation energies between the grain boundary and the corresponding free surface is -0.39 eV for solute Nb.According to Rice-Wang model,it can be predicted that Nb can enhance grain boundary cohesion.The calculated results of interatomic energy and charge density show that charge would be redistributed,and the bonds across grain boundary are strengthened by the substitution of Nb for Fe.As a result,it is difficult for the grain boundary to move.Thus the dragging effect of Nb is explained electronically.
