The preparation conditions, practical properties and some problems relating its application of silver halide dry plate of highcontrast for holography are described.
本文研究了全息照相用高反差银盐干版的制备条件和使用性能，并就其应用方面的有关问题作了探讨。
2
For one step direct method, it is essential to have a two dimension pattern plate with high resolution, high contrast and low noise.
一步直接法，必须要有高分辨率，高对比度和低噪声的二维模板，否则必然导致失败。
3
This paper introduces the contrast test of wear resistance of hot rolled low - carbon high strength bainite steel plate to ordinary steel plate on QLK800.32 bucket wheel reclaimer.