In dot etching, the photographic construction of individual dots to provide a proper density gradient suitable for dot size reduction. 中义在网点修整中,个别的网点结构依网点大小提供适当的浓度变化。
The variations of equilibrium electrode potential of sensitivity centres in photographic emulsions with sulfur, gold-and reduction sensitization during chemical ripening were investigated. 本文用改进的Reinders方法研究了硫、金和还原敏化的感光乳剂在化学成熟过程中敏化中心平衡电极电势的变化,并对这些感光乳剂层内敏化中心的抗氧化性进行了比较研究。
The characteristic of imaging of the SBG camera are based on when using it for photographic observations following man-made satellite and the interpolation as well as all calculative formulae of data reduction for the photographic plates are described here. 本文根据SBG照相机在人造卫星跟踪照相观测中的成象特点,给出底片归算的插值方法和全部计算公式。