Neptunium

Chemical forms of neptunium in hydraulic fracture disposal site

水力压裂处置条件下核素镎的存在形态

Chemical Forms of Neptunium and Plutonium in Disposal Site and Their Influence Factors

镎、钚在处置区的存在形式及影响因素

The electroreduction of neptunium (ⅴ) in synthetic high level radioactive waste

模拟强放废液中Np（Ⅴ）的电解还原

Spectrophotometry for photochemistry study of neptunium in organic system

分光光度法对有机体系中镎的光化学研究

Three rapid analytical methods for measuring uranium , plutonium and neptunium are established respectively .

并建立了分别测定铀、钚、镎的三个快速分析方法。

Simulation study of the extraction behavior of neptunium from high active reprocessing liquid waste of power reactor fuel

从动力堆核燃料后处理强放废液中提取镎的模拟试验研究

The behavior and control of neptunium in Purex Process

Purex过程中镎的行为与控制

The investigation on neptunium behavior in electrolytic partitioning process of uranium and plutonium

电解还原铀钚分离过程中镎行为的研究

Study on photochemistry of neptunium uranium diamide coexisting in nitric acid system

镎－铀－肼共存体系的光化学研究

Two alternative flow routes are used for measuring plutonium ( or neptunium ) and uranium respectively .

两套可供选择的流路分别用于测钚（或镎）和铀。

Studies on the absorption spectra redox and complexation reaction of neptunium ions in carbonate solution

镎离子在碳酸盐溶液中的吸收光谱、氧化还原及络合反应的研究

Simulation study of the chemical forms of Neptunium and plutonium in groundwater from a borehole in the northwest region

镎、钚在西北某区地下水中化学形态的模拟计算

Researches possible factors influencing the kinetics of neptunium reduction with 1,1-dimethylhydrazine in nitric acid system with spectrophotometry .

采用分光光度法，对硝酸体系中1,1-二甲基肼还原Np（Ⅴ）的动力学进行了研究，求出了反应的动力学方程。

The study of kinetics and mechanism of the reduction of neptunium ( ⅵ ) by n-butyraldehyde

正丁醛还原Np（Ⅵ）的动力学及机理研究

Study on the Method and Instrument for Rapid Determination of Uranium Plutonium and Neptunium in Spent Fuel Reprocessing Solution by Flow Injection Analysis

FIA快速测定乏燃料后处理工艺溶液中铀、钚、镎的方法及仪器研究

In the spent fuel reprocessing process and for the environmental concerns , very strict control is required for determination of neptunium .

在核燃料后处理工以及环境中，对镎的控制要求十分严格。

Modelling of geochemical behavior of neptunium , plutonium and strontium in a loess aquifer

镎、钚、锶在黄土地下水中地球化学行为的模拟研究

Based on the principle of flow injection analysis ( FIA ), a special instrument for measuring uranium , plutonium and neptunium is developed ;

以流动注射分析（FIA）原理为基础，研制了测定铀、钚、镎的专用仪器；

Separation of neptunium from uranium in contactor 1A with 1,1 dimethylhydrazine

1,1-二甲基肼应用于U、Np分离的研究

The Preparation of Alpha Sources for Plutonium , Neptunium and Americium by Electrodeposition

电沉积法制备镅、钚和镎的α源

The separation of neptunium from uranium , plutonium , americium and europium is proposed by extraction chromatographic technique .

提出了用N-235/聚四氟乙烯柱萃取色层法自铀、钚、镅和铕中分离镎的方法。

Study on Neptunium Control in Co-decontamination Step of Purex Process and the Extraction of New Extractant Amido Podand

Purex流程中镎在1A槽的走向控制和新型萃取剂酰胺荚醚的萃取热力学及应用研究

Migration of Neptunium and Plutonium in Hydrofracturing Disposal

水力压裂处置中镎、钚迁移行为的模拟研究

The method including the process of extraction chromatography and the mass spectrum measurement for the exact analysis of micro neptunium in the existence of large quantity of uranium is established .

建立了准确测定常量铀中微量镎的方法。方法包括萃取色层法分离和质谱法测量。

Complexing reactions of DTPA with uranium , neptunium and plutonium ⅰ . determination of stability constants of DTPA NP (ⅳ) complex

DTPA与铀、镎、钚的配位作用Ⅰ.DTPA与Np（Ⅳ）配合物稳定常数的测定

Sorption and Desorption of Neptunium (ⅴ) on Loess and Its Solid Components : Relative Contribution and Hysteresis ? Effects of Fulvic Acid and Carbonate in Solution

Np（Ⅴ）在黄土及其固相组分上的吸附与解吸&相对贡献、滞后系数、溶液中腐殖酸和碳酸盐的影响

Complex reactions of DTPA with uranium 、 neptunium and plutonium ⅲ oxidation reduction reactions in TBP DTPA u 、 np 、 Pu system

DTPA与铀、镎、钚的配位作用Ⅲ.TBP-DTPA-铀、镎、钚体系中的氧化还原反应

Age-specific biokinetic models for actinides of plutonium , americium and neptunium

锕系元素钚、镅、镎年龄相关的生物动力学模式

Simultaneous electrodeposition of uranium , neptunium , plutonium , americium , and curium from oxalic acid-nitric acid system

草酸-硝酸体系中铀、镎、钚、镅、锔的同时电沉积

Are higher than 3 000 , 4 000 , 7 000 and 950 for americium , neptunium , uranium and plutonium respectively .

超铀元素镅、镎、钚和铀的去污系数分别大于30004000950和7000。