Kendall, a chemist, co-founded Mack in 1920, he had experimented with Bakelite and urea at Thomas Edison Cos., trying to find a good replacement for wax used in phonographic records.
在1920年共同创办麦克以前，化学家当劳。肯德尔，他曾在托马斯·爱迪生公司试验胶木和尿素，试图寻找唱片中蜡的替代品。
As material , adopt routine method determine half ripe Co cos nucifer L thick ash content , calcium , total content of phosphorus of peel wi th half ripe Cocos nucifer L peel.
以半成熟椰子果皮为材料，采用常规方法测定了半成熟椰子果皮的粗灰分、钙、总磷的含量。
The side-stream experiment of this technology and industrial operation for a year show that the difficult problem of high CO, high COS hydrolysis desulfurization can be satisfactorily solved.
该技术的侧流试验和1年的工业运行情况表明，可较好地解决高CO、高COS的水解脱硫难题。
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