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- Research showed that cobalt concentrate grade and recovery both could be increased if flotation performanced in a sulphuric acid medium and addition of suitable amount of oxalic acid. 研究表明,在硫酸介质中加入适量的草酸可以提高精矿中钴的品位和回收率。
- Simultaneous determination of cobalt and nickel in cobalt concentrate by multi-wavelength spectrophotometry 多波长分光光度法同时测定钴精矿中钴和镍
- It's too hot to concentrate on book. 热得不能集中心思看书。
- I must concentrate my energies on decorating today. 我今天必须集中精力搞装饰。
- I can't concentrate on my work when I'm tired. 我累了就无法集中精力工作。
- Don't put me off when I'm trying to concentrate. 我正要集中注意力呢,别打搅我。
- We must concentrate our attention on efficiency. 我们必须把注意力集中在效率上。
- She couldn't concentrate on a book very long. 她不能长时间专心读一本书。
- I must concentrate upon my work now. 我现在必须集中精力工作。
- cobalt concentrate 钴精矿
- Stellite 6 or cobalt free seats and discs. 钨铬钴合金6或无钴阀座和阀瓣。
- Birds concentrate (in places) where food is abundant. 鸟聚集在食物丰盛的地方。
- Stellite 6 or cobalt free wedge and seats. 钨铬钴合金6或无钴楔板和阀座。
- She felt ill. She went to work, however, and tried to concentrate. 她病了。然而她照旧去上班,并且尽力集中精神工作。
- We must concentrate our efforts on improving education. 我们必须致力於改进教育工作。
- Hard Facing is weld deposited Cobalt base alloy. 硬面焊接钴基合金沉淀物。
- Fixed a crash bug within Cobalt systems. 修正了一个 cobalt 系统力的漏洞
- I can't concentrate with you breathing down my neck. 你这样紧紧盯著我,使我精神无法集中。
- A racking headache made him unable to concentrate on his study. 折磨人的头痛使他不能全神贯注地学习。
- EXP: diamonds, copper, crude oil, coffee, cobalt. 出口:钻石,铜,重油,咖啡,钴