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- The determination of trace iron in health silicone oil by atomic absorption spectroscopy is described in this paper. 本文叙述了用原子吸收光谱法测定卫生级硅油中微量铁的方法。
- Recent development on determination of trace iron and manganese by chemiluminescence is reviewed. 评述了国内外有关铁、锰的化学发光分析进展。
- A new method for the determination of trace iron by ion exchange resin phase spectrophotometry was developed. 提出了利用离子交换树脂相分光光度法测定痕量铁的方法。
- Trace iron,copper and mangganse in thiofide DM,NOBS and CBS have been determined by high temperature carbonization atomic absorption spectrophotometry. 用高温灰化原子吸收光谱法测定橡胶硫化促进剂DM(二硫化二苯骈噻唑)、NOBS(N-氧二乙撑-2苯骈噻唑次磺酰胺)和CBS(N-环己基-2-苯骈噻唑磺酰胺)中微量铁、铜和锰的含量。
- A catalytic kinetic spectrophotometry method for the determination of trace iron has been established based on its catalytic effect on the oxidative discolour of hydrogen peroxide with thymol blue in acid medium. 基于酸性介质中三价铁离子对过氧化氢氧化百里香酚蓝褪色的催化作用 ;提出了催化动力学光度法测定痕量铁的新方法 .
- Trace Iron Determined by the Flint-glazed Method 蜡相光度法测定痕量铁
- I can't trace that letter you sent me. 我找不到你寄给我的那封信。
- Napoleon conquered by the force of an iron will. 拿破仑攻无不克靠的是坚强的意志。
- He spoke without a trace of emotion. 他说话时毫不动感情。
- It will take weeks to get all the wrinkle iron out. 解决这些难题得要几周时间。
- Did the police find any trace of the murderer? 警方找到凶手的行踪了吗?
- Have you any scrap iron knocking about? 你那儿有散在各处的废铁吗?
- They failed to find any trace of the runaways. 他们未能找到逃跑者的任何踪迹。
- There was barely a trace of salt in the soup. 汤里简直一点盐也没有放。
- The post office tried to trace the lost letter. 邮局设法查出那封丢失的信。
- He cut the iron pole to the size he wanted. 他把铁杆锯成他需要的尺寸。
- The kids are learning to trace the letter. 孩子们学描字母。
- It is some kind of plastic made to imitate iron. 这是一种塑胶,但外观仿制得像铁。
- He always spoke with a trace of sarcasm. 他说话总带着一丝讽刺。
- That iron is a good conductor is known to us all. 铁是良导体这是我们大家都知道的。