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- This paper reports the synthetic method of containing Resin-Bibenzoyl, methan,discusses the absorbing property of Resin on uranium and the corditions for enrichment and sepa-ration of trace uranium. 本文介绍了二苯甲酰甲烷萃淋树酯的合成方法，讨论了该树酯对铀的吸附性能和分离富集铀的条件。
- The content of trace uranium and thorium of drinking water,ground water and underground water as determined in Shanghai city and the research of uranium and thorium in urine was carried out. 分析了居民饮用水及其天然水源中微量铀、钍的含量，并与尿液中铀、钍含量进行了比较。
- DETERMINATION OF TRACE URANIUM IN BEIJING TAP WATER 北京市自来水中痕量铀的测定
- Determination of trace uranium by differential pulse polarography 微分脉冲极谱法测定痕量铀
- Luminescence-ultraviolet Pulse Trace Uranium Analyser and its application 紫外脉冲荧光微量铀分析仪及其应用
- RESULT COMPARISON OF TRACE URANIUM DETERMINATION IN ASH OF AIR SAMPLES 空气样品灰中微量铀含量测定结果的比对
- DIRECT DETERMINATION OF TRACE URANIUM IN WATER SAMPLES BY MEANS OF LASER 利用激光直接测定水中痕量铀
- Radium and uranium are radioactive elements. 镭和铀是放射性元素。
- 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。
- DETERMINATION OF TRACE URANIUM IN ATMO-SPHERIC PRECIPITATION OF THE XlANGJlANG RIVER VALLEY BY FISSION TRACK METHOD 湘江流域大气降水中痕量铀的裂变径迹法测定
- 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
- FLUORESCENCE SPECTROPHOTOMETRIC DETERMINATION OF TRACE URANIUM AFTER EXTRACTION WITH TOPO TOPO萃取-荧光分光光度法测定微量铀
