conditions of exposure

Design and application of exposure remoter of mobile X-ray machine;

移动式X线机曝光控制遥控器的设计与应用

A study of exposure feature of focal plane steel shutter;

焦平面钢片快门曝光特性研究

Well-balanced negative can be obtained by right exposal and development,by which a picture with detailed shadow,rich gradution,and well balanced density can be produced.

正确的曝光和显影可以得到正常的底片,影纹清晰,层次丰富,密度适中,反差正常,可以制作出满意的照片。

To explore an ergonomic lighting level in local environment of armored car,subjects are requested to judge the direction of targets under low lighting,after accepting three kinds of compelling exposal,and the reaction time is recorded.

为了研究装甲车辆内局部环境照明的视觉工效问题,受试者接受三种强度曝光,而后在低照度水平下判别视标方向,记录正确判别反应时。

The principle of ion beam lithography technology and its features are described.

论述了离子束曝光技术的原理、特点,分析了其面临的关键技术问题,如掩模技术、离子源技术、图像对准技术等,并介绍了这些年来国外的一些研究机构及公司在离子束曝光技术上的研究进展及取得的一些新结果。