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弧光碳棒的主要技术指标是光的强度,其次是燃烧消耗率,当然弧光稳定也是必要条件。自从采用弧光碳棒作为电影放映光源至今已将近60余年,在这数十年中,弧光碳棒的重大技术改革分为两个阶段:第一阶段1920年～1935年称为低强弧光碳棒或称纯碳棒,第二阶段1935年到现在称为高强弧光碳棒或称发光剂碳棒。
Arc carbon rod is the main technical indicators of light intensity, followed by burning consumption rate, of course, arc stability is a necessary condition. Since the use of arc carbon rod as the movie screen light source has been nearly 60 years, during these decades, the major technological reform of the arc carbon rod is divided into two phases: the first phase of 1920 ~ 1935 called low-strength carbon rod Or pure carbon rod, the second phase 1935 until now known as high-strength arc carbon rod or carbon rod called luminescent agent.