1.4 Two calculations for tongue tearing strength are provided: the single-peak force and the average of five highest peak forces. 1.5 The values stated in either SI units or inch-pound units are to be regarded as the standard. The inch-pound units may be approximate. 1.6 This standard does...
23、Practice E805).4.2 This practice takes as a starting point for the calculations CIE tristimulus values X, Y, and Z for one of the CIE standardobservers and one of the CIE standard or recommended illuminants of daylight quality. Such tristimulus values are available byuse of modern color ...