镎的英文

名词
[化学] (放射性金属元素) neptunium (np)

• np ＝【化学】neptunium 镎。:    np

例句与用法

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1. Standard guide for determination of neptunium - 237 in soil
   测定土壤中镎237的标准指南
2. Standard test method for measuring reaction rates by radioactivation of neptunium - 237
   用镎237的放射激活性测定反应速率的测试方法
3. Nuclear energy . technology of nuclear fuel cycle . determination of neptunium in nitric acid solutions by molecular absorption spectrophotometry
   核能.核燃料循环技术.分子吸收分光光度法测定硝酸溶液中的镎
4. Adsorption distribution coefficients increase with the increasing of temperature . the concentrations of redox reagents have light effects on adsorption within the studied concentration range
   测定了硝酸溶液中三种价态的镎在硅胶上吸附的等温线和表观吸附热。
5. The path - way controlling of neptunium in co - decontamination step of purex process , the extraction thermodynamics of amido podand and its usage in recovery of actinides from simulated hllw have been investigated . more than 95 % np were maintained in np ( v ) in 1a extractor and flowed into 1 aw , if enough amount of hno2 was added in feed adjustment and then hno2 scavenger ( urea ) was added before extraction . three kinds of amido podand were synthesized , and the extraction of lanthanides , actinides and some fission products were studied . one of them ( tbopda , n , n , n ' , n " - tetrabutyl - 3 - oxa - pantenadiamide ) was used as extractant to recover actinides from hllw . the results of experiments show that more than 99 . 99 % actinides were recovered from hllw and separated basically in groups . the main digests are as follows : 1
   镎走向控制研究中通过调价阶段加入亚硝酸、而萃取前清除亚硝酸的独特办法可以将大于95的镎赶入1aw 。合成了三种酰胺荚醚萃取剂，研究了它们对锕系和裂片元素的萃取热力学，通过条件实验选择了其中一种荚醚tbopda ( n ， n ， n ’ ， n ’ ?四丁基? 3 ?氧戊二酰胺) ，进行了从模拟高放废液中分离锕镧系元素的工艺研究，锕系的回收率大于99 . 99 ，并且基本上实现了锕镧元素的组分离。其要点如下： 1