A method of isotopic age determination. CHIME (chemical Th-U-total Pb isochron method) for dating radioactive minerals, is introduced briefly in this paper. The monazite. xenotime and zircon from the gneissic granitoi...A method of isotopic age determination. CHIME (chemical Th-U-total Pb isochron method) for dating radioactive minerals, is introduced briefly in this paper. The monazite. xenotime and zircon from the gneissic granitoids in the Pingtan-Dengshan belt, Fujian. yield CHIME ages of 92. 7 Ma. 94. 4 Ma. 107. 1 Ma and 108. 2 Ma. reconfirming the Yanshanian granitism in southeast coast area of China.展开更多
Dickensian prose is known for its picturesque and haunting style in setting depiction unveiling the oneiric and uncanny quality of the city of London. One of the most underrated Christmas Books, The Chimes （1844）, p...Dickensian prose is known for its picturesque and haunting style in setting depiction unveiling the oneiric and uncanny quality of the city of London. One of the most underrated Christmas Books, The Chimes （1844）, proves to be an excellent example of a new fairy tale portraying the pervasion of two spheres： the realm of fantasy and the truth. The narrator exposes the correlation between the disturbing vision of the animated metropolis and the protagonist＇s hallucinatory fancy caused by his inner unrest and agitation, questioning the boundary between the dream and reality and the limits of perception. Despite the technical restraints of the seasonal miniature＇s construction, Dickens succeeded in capturing the hero＇s psychology and the spirit of the city through the medium of anthropomorphising the inanimate, employing the supernatural, and implementing powerful, semantically loaded images of London corresponding well with the protagonist＇s inner dilemmas. The narrative strategy balancing on the edge of dream and reality employed in the carol does not only expose the creative skills of the novelist, but also the potential of The Chimes as an embryonic novel展开更多
We present new parameterizations of the ChIMES physics informed machine-learned interatomic model for simulating carbon under conditions ranging from 300 K and 0 GPa to 10,000 K and 100 GPa,along with a new multi-fide...We present new parameterizations of the ChIMES physics informed machine-learned interatomic model for simulating carbon under conditions ranging from 300 K and 0 GPa to 10,000 K and 100 GPa,along with a new multi-fidelity active learning strategy.The resulting models show significant improvement in accuracy and temperature/pressure transferability relative to the original ChIMES carbon model developed in 2017 and can serve as a foundation for future transfer-learned ChIMES parameter sets.Applications to carbon melting point prediction,shockwave-driven conversion of graphite to diamond,and thermal conversion of nanodiamond to graphitic nanoonion are provided.Ultimately,we find the new models to be robust,accurate,and well-suited for modeling evolution in carbon systems under extreme conditions.展开更多
The Zenghouyi Woven Chimes were unearthed in 1978 from the Leigudun No.1 Tomb, Sui County, Hubei Province. In this tomb was buried Zeng Houyi, a prince of the State of Zeng. There are 65 separate chimes, the largest b...The Zenghouyi Woven Chimes were unearthed in 1978 from the Leigudun No.1 Tomb, Sui County, Hubei Province. In this tomb was buried Zeng Houyi, a prince of the State of Zeng. There are 65 separate chimes, the largest being 152.3 cm展开更多
The bronze chime bells of Marquis Yi of Zeng are precious cultural relics of China. The bells have a two-tone acoustic characteristic,i.e.,striking different parts of the bell generates different tones. In this study,...The bronze chime bells of Marquis Yi of Zeng are precious cultural relics of China. The bells have a two-tone acoustic characteristic,i.e.,striking different parts of the bell generates different tones. In this study,we use a finite element method to simulate the propagation of elastic waves and the generation of free oscillations of the bell. Vibrations with different spectral characteristics can be obtained by striking different parts of the chime bell of Marquis Yi of Zeng. By the observation of the vibration de-sign and through spectral analysis,we further help the understanding of the two-tone acoustic char-acteristic of the chime bell of Marquis Yi of Zeng.展开更多
文摘A method of isotopic age determination. CHIME (chemical Th-U-total Pb isochron method) for dating radioactive minerals, is introduced briefly in this paper. The monazite. xenotime and zircon from the gneissic granitoids in the Pingtan-Dengshan belt, Fujian. yield CHIME ages of 92. 7 Ma. 94. 4 Ma. 107. 1 Ma and 108. 2 Ma. reconfirming the Yanshanian granitism in southeast coast area of China.
文摘Dickensian prose is known for its picturesque and haunting style in setting depiction unveiling the oneiric and uncanny quality of the city of London. One of the most underrated Christmas Books, The Chimes （1844）, proves to be an excellent example of a new fairy tale portraying the pervasion of two spheres： the realm of fantasy and the truth. The narrator exposes the correlation between the disturbing vision of the animated metropolis and the protagonist＇s hallucinatory fancy caused by his inner unrest and agitation, questioning the boundary between the dream and reality and the limits of perception. Despite the technical restraints of the seasonal miniature＇s construction, Dickens succeeded in capturing the hero＇s psychology and the spirit of the city through the medium of anthropomorphising the inanimate, employing the supernatural, and implementing powerful, semantically loaded images of London corresponding well with the protagonist＇s inner dilemmas. The narrative strategy balancing on the edge of dream and reality employed in the carol does not only expose the creative skills of the novelist, but also the potential of The Chimes as an embryonic novel
基金supported by LLNL LDRD 23-SI-006.LLNL-JRNL-861515.
文摘We present new parameterizations of the ChIMES physics informed machine-learned interatomic model for simulating carbon under conditions ranging from 300 K and 0 GPa to 10,000 K and 100 GPa,along with a new multi-fidelity active learning strategy.The resulting models show significant improvement in accuracy and temperature/pressure transferability relative to the original ChIMES carbon model developed in 2017 and can serve as a foundation for future transfer-learned ChIMES parameter sets.Applications to carbon melting point prediction,shockwave-driven conversion of graphite to diamond,and thermal conversion of nanodiamond to graphitic nanoonion are provided.Ultimately,we find the new models to be robust,accurate,and well-suited for modeling evolution in carbon systems under extreme conditions.
文摘The Zenghouyi Woven Chimes were unearthed in 1978 from the Leigudun No.1 Tomb, Sui County, Hubei Province. In this tomb was buried Zeng Houyi, a prince of the State of Zeng. There are 65 separate chimes, the largest being 152.3 cm
基金Supported by the National Basic Research Project (2004cb418406)National Natural Science Foundation of China (Grant No. 40474038)
文摘The bronze chime bells of Marquis Yi of Zeng are precious cultural relics of China. The bells have a two-tone acoustic characteristic,i.e.,striking different parts of the bell generates different tones. In this study,we use a finite element method to simulate the propagation of elastic waves and the generation of free oscillations of the bell. Vibrations with different spectral characteristics can be obtained by striking different parts of the chime bell of Marquis Yi of Zeng. By the observation of the vibration de-sign and through spectral analysis,we further help the understanding of the two-tone acoustic char-acteristic of the chime bell of Marquis Yi of Zeng.
