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- This paper suggests a determination method of trace thorium in ores according to DBS-arsenazo and colour-reaction of thorium. 本文根据DBS-偶氮胂与钍的显色反应,提出了矿石中微量钍的测定方法。
- A rapid chemical separation procedure of trace thorium has been finished from a great deal of uranium and interfere fission products,and is successfully used to the synthesis and identification of a new heavy neutron rich nuclide, 237 Th. 提出了一个从大量铀及干扰裂变产物中分离痕量钍的快速化学分离程序，并成功地用于新重丰中子核素237Th的合成和鉴别。
- DBN-ARSENAZO AS A NEW CHROMOGENIC REAGENTS FOR DETERMINATION OF TRACE THORIUM 新显色剂DBN-偶氮胂作为测定痕量钍的显色剂
- Keywords Catalystic Polarographic High-Purity Tungsten Trace Thorium; 催化极谱法;高纯钨;痕量钍;
- Determination of trace thorium in uranium dioxide by inductively coupled plasma-atomic emission spectrometry 电感耦合等离子体原子发射光谱法测定二氧化铀中痕量钍
- Spectrophometric Determination Trace Thorium in Ores with 5-Br-PADAP in the Presence of OP(?) OP存在下5-Br-PADAP分光光度法测定矿石中微量钍
- Spectrophotometric Determination of Trace Thorium in Ores with CPC_Triton X_100_ p _Acetylchlorophosphonazo 氯化十六烷基吡啶-Triton X-100-对乙酰基偶氮氯膦光度法测定矿石中的微量钍
- 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。
- A slight trace of color; a tinge. 色调轻微的一抹颜色; 色调
