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- Experimental conditions that a great deal of copper matrices were separated as well as trace Se and Te were concentrated in ammoniacal solutions by co-precipitation separation were studied. 研究了采用共沉淀分离手段在氨性条件下分离大量铜基体并富集痕量硒、碲杂质的实验条件。
- HYDRIDE ATOMIC ABSORPTION SPECTROMETRYFOR TRACE Se IN MONOMINERALS 单矿物中痕量硒(Se)的氢化物洁原子吸收光谱分析
- Determination of trace Se in oligose of marine alga by hydride generation-atomic fluorescence spectrometry 原子荧光法快速测定海藻低聚糖中的硒
- I can't trace that letter you sent me. 我找不到你寄给我的那封信。
- He spoke without a trace of emotion. 他说话时毫不动感情。
- Did the police find any trace of the murderer? 警方找到凶手的行踪了吗?
- 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。
- The kids are learning to trace the letter. 孩子们学描字母。
- He always spoke with a trace of sarcasm. 他说话总带着一丝讽刺。
- The powerhouse was trace out accurately later on a large scale map. 后来发电站被精确地描画在大比例地图上。
- A faint or fleeting indication; a trace. 模糊的暗示模糊的或一闪即逝的暗示; 迹象
- The country woke from her trace of two hundred years. 这个国家在沉睡了200年之后觉醒过来了。
- The rain flushed away the trace left by the criminals. 大雨把犯罪分子遗留的痕迹冲刷掉了。
- All species will breed inter se. 所有的生物都在其种内进行繁殖。
- A slight trace of color; a tinge. 色调轻微的一抹颜色; 色调
- Such flow voids are best seen on long TR SE images. 这种现象在长TR(SE)信号影像上可以清楚地观察到。
- The drug is not harmful per se, but is dangerous when taken with alcohol. 该药本身并无害处,但与酒类同服则有危险。
- The family can trace its history to the 17th century. 这个家族的历史可以追溯到十七世纪。