用途: 用作玻璃的脱色剂和着色剂.USES: As petroleum and colouring agent for glass.实验结果表明,FAS是一种有效的废纸浆漂白剂和脱色剂.The experimental results indicate that FAS is an effective bleaching and decolorizing agent for kinked pulp....
However, the modulation - demodulation of ultraviolet and voice transmission are the key technologies.然而, 紫外光通信的 调制解调技术 以及语音传输是整个系统的关键难点.FM receiver through demodulation , the frequency signals into sound signals.调频接收机通过...