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- The effects of chromium concentration,a number of carboxlic acids,a group of buffers,temperature and solution pH on deposition rate,deposit thickness and the ability to plate continuously have been investigated. 此项工艺研究了铬液浓度、多种羧酸、一组缓冲剂、温度和溶液pH值这些因素对沉积速度、镀层厚度和连续电镀能力的影响。
- I am going to rub up the chromium on the car. 我准备把汽车上的镀铬部件擦亮。
- 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。
- chromium concentrate 铬精矿
- Birds concentrate (in places) where food is abundant. 鸟聚集在食物丰盛的地方。
- To tan or dye with a chromium compound. 用铬的化合物制革或染色
- 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。
- Something plated with a chromium alloy. 镀铬物用铬合金镀的东西
- Containing two chromium atoms per molecule. 每个分子中含有两个铬原子的
- 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。
- What about the chromium compound? 铬化物呢?
- Will you children shut up?! I can't concentrate on my work. 孩子们可以请你们闭嘴吗?我没法子专心工作。
