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- Keywords uranyl uranate;bis schiff base;complex; 硝酸铀酰;双希夫碱;配合物;
- uranyl uranate 铀酸铀酰
- Moluranite is a mineral of uranyl molybdate group. 多水钼铀矿属铀酰钼酸盐类矿物。
- Coordination saturation is thus proved to be space saturation in the uranyl equatorial plane. 由此说明铀酰的配位饱和实际上是配位空间的饱和。
- Abstract Uranyl luminescence in phosphoric acid system is studied in this communication. 摘要 研究了铀酰离子在磷酸体系中的发光现象。
- In this paper the synergistic extraction by a mixture of tributyl phosphate (TBP) and dibutyl butyl phosphonate (DBBP) for uranyl nitrate is studied. 本文研究了磷酸三丁酯和丁基膦酸二丁酯煤油溶液对硝酸铀酰的协同萃取。 发现在萃取剂克分子比TBP:DBBP=5:1时出现明显的协同效应;
- A few days ago, the Irtysh River, Furukawa uran part of the upper and middle reaches of the tributaries have been drying up. 日前,额尔齐斯河、乌伦古河中上游的部分支流已经断流。
- The potentiodynamic polarization results showed that anodic reaction of carbon electrode was activated with uranyl ion in given potential sweep. 动电位极化测量表明,在一定电位扫描速率下,铀酰离子对碳钢电极的阳极反应有激活作用,促进碳钢的阳极溶解。
- Abundant uranyl minerals (especially, uranyl silicates and uranyl phosphates) are found because of intensive weathering of uraninite. 而我国高放废物地质处置库拟建在花岗岩体中。
- A series of disubstituted monoamides extractants were synthesized and their extracted species with uranyl nitrate were obtained by extraction method. 合成了系列双取代单酰胺萃取剂,利用萃取方法获得了与硝酸铀酰的萃合物。
- For compound UO2AmBnGp steric packing around uranyl ion could be estimated by the following equation: FAS= mFAA +nFAB + pFAc. 这些参数可用来估计某一铀酰化合物结构的稳定性,并可推测新的协同萃取体系。
- Uran traffic congestion has become a very difficult problem for the many countries to achieve sustainable development with the progress of urbanization. 随着城市化进程的加快和城市化程度的不断提高,城市交通拥挤成为很多国家难以实现可持续发展的重要原因。
- The prepared tissue was cut at 500A and stained with uranyl acetate andlead citrate, and then observed under JEM-100CX transmission electron microscope and photographed. 行500A超薄切片,醋酸铀和枸橼酸铅染色,JEM-100CX透射电子显微镜观察并拍片。
- Abstract In this paper the synergistic extraction by a mixture of tributyl phosphate (TBP) and dibutyl butyl phosphonate (DBBP) for uranyl nitrate is studied. 摘要 本文研究了磷酸三丁酯和丁基膦酸二丁酯煤油溶液对硝酸铀酰的协同萃取。
- Methods After uranyl acetate staining,the change of ultrastruct ure of C6 cells before and after PA treatment was observed under transmission el etron microscopy. 方法采用醋酸双氧铀电子染色,电子显微镜(电镜)下观察培养C6细胞在应用苯乙酸后的超微结构变化。
- The crystal chemistry of uranyl minerals and synthetic compounds has received considerable attention recently, owing to the importance of these phases in the environment. 近年来,铀酰矿物和合成化合物的晶体化学也得到了较大的重视。
- A method of uran ium direct determination by laser induced fluroscence is presented.The ki nds of samples determined include surface water, soil, biological material and some contaminated soils. 用激光荧光法直接测定了环境水样、土壤、生物样品及某些污染物中的铀,并对测定结果进行了统计分析。
- Heated in water bath,uranyl ion and nitrate radical adsorbed on resin are replaced into solution by sodium bisulfate,then are determined by titanous method and spectrophotometry,respectively. 在水浴加热条件下,用硫酸氢根将吸附在树脂上的铀酰离子和硝酸根离子置换到液相中,之后分别采用亚钛法、分光光度法进行测定。
- Nitrate of low concentration can interfere with adsorption of uranyl sulfate anion on anion-exchange resins because the anion-exchange resins have a stronger affinity for nitrate in uranium solution. 由于铀溶液中的硝酸根对阴离子交换树脂具有较强的亲合力,相当低的硝酸根就足以干扰硫酸铀酰离子的吸附。
- Thus, Xiazhuang uranium ore field is an ideal site for the study of natural analogy of UO_2 oxidative corrosion with its special geochemical environment and abundant uranyl minerals. 因此,下庄铀矿田是开展核废料氧化的天然类比研究的理想地区,并对我国的高放废物地质处置库的安全性评价有重要的指导作用。