常見例句雙語例句Optimal conditions for preparation of active lignin oxide by oxidizing black-liquor lignin with nitric acid were studied.研究了造紙黑液木素稀硝酸氧化法制備活性氧化木素的適宜條件。d.wanfangdata.com.cnBlack Iron Oxide (Magnetite)Black Iron Oxide is found useful, especially in semi-metallic formulas as an agent for elevating cold friction.黑的鉄氧化物(磁鉄鑛):黑的鉄氧化物發(fā)現(xiàn)有用的,特別在半金屬的配方作爲(wèi)提高冷的摩擦力。 在半金屬的配方的通用的成分。權(quán)威例句The black zirconium oxide case evokes the ceramic disc brakes found in Mercedes-Benz AMG cars.FORBES: The EYE: Land Rover Defender, Spring Colognes And Polos 返回 black oxide