生产人造金刚石聚晶所需的石墨片和石墨模是用石墨棒加工的。
The theoretical analysis and field adjustment of a AC cascade speed regulating system with double closed-loop employed in a synthetic fibre bar making unit imported from Switzerland are conducted.本文对一从瑞士引进的应用于合成纤维成条机的交流串级调速双闭环系统进行了理论分析与现场调试。
The formulation models of sulfosuccinate and amphoterics used in baby shampoo, children's mild shampoo, mild foaming bath as well as synthetic detergent bar are given here.对磺基琥珀酸酯盐及两性表面活性剂在婴儿洗发香波、儿童洗发香波、温和泡沫浴及合成洗涤皂等的应用提供了参考配方。