âº US informal sometimes used by a black man to address or refer to another black man. âº used as the title of a man, such as a monk, who belongs to a religious organization: Brother Michael and Brother John were deep in conversation. [ as form of address ] Bless you, Brother.
The term Fourier transform infrared spectroscopy originates from the fact that a Fourier transform (a mathematical process) is required to convert the raw data into the actual spectrum.For other uses of this kind of technique, see Fourier transform spectroscopy.n a Michelson interferometer adapted for FTIR, light from the polychromatic infrared source, approximately a black-body radiator, is collimated and directed to a beam splitter. Ideally 50% of the light is refracted towards the fixed mirror and 50% is transmitted towards the moving mirror.
Providing Information for Best Value Awards! Welcome to the Past Performance Information Retrieval System (PPIRS). All data in PPIRS is classified as Source Selection Sensitive and is not releasable unless directed by the agency who submitted the data. This policy is in accordance with FAR 42.1503(4)(d). In May 2010, PPIRS was designated as the government wide single repository of past performance data. Confidence in a prospective contractor's ability to satisfactorily perform contract requirements is an important factor in making best value decisions in the acquisition of goods and services.