A new method of estimating the metallicity from low resolution spectrum is introduced. This method is performed with the help of a principal component analysis. The estimated metallicities through our method are consi...A new method of estimating the metallicity from low resolution spectrum is introduced. This method is performed with the help of a principal component analysis. The estimated metallicities through our method are consistent with those obtained from high resolution spectra. This result indicates that our method is useful at least in the range of late type giants.展开更多
-Suspended matters are important carriers of heavy metals in the hydrocycle.In this paper, the field investigation , lab. experiment and 'corresponding analysis' were made to study sources of the heavy metals ...-Suspended matters are important carriers of heavy metals in the hydrocycle.In this paper, the field investigation , lab. experiment and 'corresponding analysis' were made to study sources of the heavy metals and the transfer of suspended matters from the Hangzhou Bay.This conclusion shows that the contents of heavy metals in this area are the natural background values ; the distributions of heavy metals are controlled by the plume front.展开更多
文摘A new method of estimating the metallicity from low resolution spectrum is introduced. This method is performed with the help of a principal component analysis. The estimated metallicities through our method are consistent with those obtained from high resolution spectra. This result indicates that our method is useful at least in the range of late type giants.
文摘-Suspended matters are important carriers of heavy metals in the hydrocycle.In this paper, the field investigation , lab. experiment and 'corresponding analysis' were made to study sources of the heavy metals and the transfer of suspended matters from the Hangzhou Bay.This conclusion shows that the contents of heavy metals in this area are the natural background values ; the distributions of heavy metals are controlled by the plume front.
