摘要:
A visible/near-infrared spectrum analyzing method for identifying components of a sample and determining characteristics of the components using visible light and/or near-infrared light having a wavelength of 400 to 2500 nm. The quantitative determination of the components, which have been conventionally hard to identify, of a grape of a small fruit cultivar for wine making can be made in a nondestructive way. A grape of a small fruit cultivar for wine making (a sample under examination) is irradiated with visible light and/or near-infrared light having a wavelength of 600 to 1100 nm and is subjected to spectrum determination of the sample and an absorption spectrum is determined from the obtained spectrum. By employing a multivariate statistical analysis (hereinafter referred to multivariate analysis) by the PLS or MLR method, a model enabling quantitative determination of the components of the sample under examination is created.
摘要:
A method for producing silicon, the method comprising a heating step of heating a metal powder Mp1 made of at least one member selected from the group consisting of Mg, Ca and Al in a plasma P; and a reducing step of reducing a halogenated silane G1 by the metal powder Mp2 heated in the plasma P to obtain silicon.