电力工业标准-电力网-万方数据知识服务平台

1 颜色分级用棉花分级室照明的标准实施规程 - 摘要

This practice is useful for establishing and maintaining standard lighting conditions in cotton classing rooms. This permits the classer to make a valid assessment of the color grade of cotton. The cotton classer attempts to classify cotton on the basis of the color the sample and the standard would have in daylight. It is essential that the lighting in a classing room is constant and that it makes the color of cotton appear as nearly as possible as it would in natural daylight.

Uniform lighting conditions permit classers to go from one classing room to another without having to make adjustments for wide differences in the amount and quality of lighting.
1.1 This practice covers practices in general use in the United States for lighting cotton classing rooms, provides general background information regarding the development and establishment of these practices, and prescribes a test method for appraising the color quality of lamps procured for this purpose.
This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
ASTM D1684-2007 - 中外标准 - ASTM- 2007/1 - 现行
关键词：棉花照明系统工艺房屋纺织纤维纺织材料 cotton color

2 观察工业X光照片用照明装置标准规范 - 摘要

1.1 The function of the illuminator is to provide sufficient illumination and viewing capabilities for the purpose of identification and interpretation of radiographic images. This specification provides the recommended minimum requirements for Industrial Radiographic Illuminators used for viewing industrial radiographic films using transmitted light sources.
1.2 The illuminator has to ensure the same safety for personnel, or users of any electric apparatus, as specified by electrical standards applicable in the country in which the illuminator is used.
This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
1.3 Values stated in SI units are to be regarded as the standard. The values given in parenthesis are provided for information only.
ASTM E1390-2006 - 中外标准 - ASTM- 2006/1 - 现行
关键词：说明书射线摄影辐射摄影术观察箱 illuminator luminance radiograph

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