GB/T 12938-1991.Determination of thiosulphate and other related residual chemicals in processed photographic materials -Iodine-amylose、methylene blue and silver sulphide densitome...
GB/T 12823-1991.Terms ,symbols, coordinate system and functional notations for photogrephic density measurements2.21投影密度projection density在入射辐通量与透射辐通量的...
GB/T 12822-1991.Geormetric conditlons for photographic reflection density measurement.4.2采样孔仪器的光学系统的几何状态确定了试样的测量区域,这一确定的区...
GB 12683-1990.Method for determining the tensile properties of photographic fim and film bese.GB 12683参照采用国际标准ISo 1184-1983(塑料一薄膜拉伸性能的测定》。...
GB 12682-1990.Test method for comparing colour. stabilities of colour photographic images.6.6 影像色稳定性试验前样片处理试验样片色稳定试验之前不需进行任何...
GB/T 12751-1991.The specification of one channel high quality sound in sync.1主题内容与 适用范围GB/T 12751规定了在电视行同步期插入- -路数字声音信号的技术...
GB/T 12566一1990.Interface for signal chain of sound and television broadcasting transmitting equipments.1主题内容与适用范围GB/T 12566规定了声音和电视广播发射设...
GB/T 12503-1995.Generic specification for TV vans.1范围GB/T 12503规定了系列电视车的分类、技术要求、试验方法、检验规则以及标志、运输、贮存。GB/...
GB/T 7400. 12一1987.Broadcasting and television terminology Television broadcasting Test equipment and test techniques.GB/T 7400. 12主要供广播电视行业内有关的技术人员...
GB/T 7400. 11-1999.Digital television terminology.1范围GB/T 7400. 11规定了数字电视所涉及的术语和定义。GB/T 7400. 11适用于数字电视系统。2引用标准下列...
