全部文献期刊学位论文会议报纸专利标准年鉴图书|学者科研项目
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作者:Wenchao Su , Liang Qi , Ruizhong Hu ...
来源:[J].Chinese Science Bulletin(IF 1.319), 1998, Vol.43 (22), pp.1922-1927Springer
摘要:Abstract(#br)Inductively coupled plasma-mass spectrometry (ICP-MS) is used to determine rare-earth elements abundances in fluid inclusions. Quartz separates from the Lannigou and Yata Carlin-type gold deposits, southwestern China, were prepared by the decrepitation-leach method. ...
作者:Chongling Yan , Yetang Hong , Xianke Yang ...
来源:[J].Chinese Science Bulletin(IF 1.319), 1999, Vol.44 (2), pp.146-149Springer
摘要:Abstract(#br)Based on pot-culture experiments, the biological effect of rare-earth elements (REE) on antioxidation enzymes of wheat under acid rain stress was studied. The results show that both acid rain and REE can affect the activity of anti-oxidation enzymes of wheat to diffe...
作者:Xiaodong Fan , Guangfei Ding , Kan Chen ...
来源:[J].Acta Materialia(IF 3.941), 2018, Vol.154, pp.343-354Elsevier
摘要:Abstract(#br)Balanced usages of the high-abundance rare-earth elements, such as La, Ce and Y, have attracted tremendous interests of the industrial and scientific societies because of the economic and environmental merits. One of the key issues is of understanding the whole proce...
作者:V. V. Korochentsev , V. I. Vovna , I. V. Kalinovskaya ...
来源:[J].Journal of Structural Chemistry(IF 0.575), 2014, Vol.55 (6), pp.1057-1066Springer
摘要:Abstract(#br)X-ray photoelectron spectroscopy and quantum chemistry are applied to study tris -dibenzoylmethanates of rare-earth elements (Sc, Y, and La). New information on the electronic structure of the complexes is obtained: the geometric and electronic structures of the c...
作者:O. V. Chudaev , G. A. Chelnokov , I. V. Bragin ...
来源:[J].Russian Journal of Pacific Geology(IF 0.16), 2016, Vol.10 (6), pp.458-475Springer
摘要:Abstract(#br)This paper presents original data on the content and distribution of major and rare-earth elements in the modern hydrothermal systems of the Paratunka and Bol’shebannyi thermal water deposits. In spite of the similar geochemical type of the waters, the individual...
作者:Lisarb O. Diehl , Thais L. Gatiboni , Paola A. Mello ...
来源:[J].Ultrasonics - Sonochemistry(IF 3.516), 2018, Vol.40, pp.24-29Elsevier
摘要:Abstract(#br)In view of the increasing demand for rare-earth elements (REE) in many areas of high technology, alternative methods for the extraction of these elements have been developed. In this work, a process based on the use of ultrasound for the extraction of REE from ca...
作者:G.A. Karpov , P.A. Schroeder , A.G. Nikolaeva
来源:[J].Russian Geology and Geophysics(IF 0.894), 2018, Vol.59 (8), pp.925-934Elsevier
摘要:Abstract(#br)Precisional analyses of the abundances of La, Ce, and major elements in thermal waters and rocks of the Uzon-Geyzernaya volcanotectonic depression, supplemented by published data on a number of modern high-temperature hydrothermal systems of Kamchatka and two oth...
作者:Kyuseok Song , Hyungki Cha , Jongmin Lee ...
来源:[J].Microchemical Journal(IF 2.879), 2001, Vol.68 (2), pp.265-271Elsevier
摘要:Abstract(#br)Laser-ablation ion trap mass spectrometry (LA-ITMS) is applied for the analysis of rare-earth elements in soil samples. The target elements studied in this work were ytterbium (Yb) and samarium (Sm). The isotopic compositions of these elements were analyzed for stand...
作者:Nuryono , C. G. Huber , K. Kleboth
来源:[J].Chromatographia(IF 1.437), 1998, Vol.48 (5-6), pp.407-414Springer
摘要:Summary(#br)An oxalic acid-α-hydroxyisobutyric acid eluent has been used for the separation and determination of rare-earth elements by high-performance ion-exchange chromatography. Fifteen rare-earth elements were separated within less than 25 min on a 150×4.6 mm i.d. colu...
作者:M. Shakil , Abrar Husain , M. Zafar ...
来源:[J].Chinese Journal of Physics(IF 0.477), 2018Elsevier
摘要:... 3d and 4d metals) and rare-earth elements. Ferromagnetism developed in gallium nitride by doping 3d (Ti, Cr, Mn, Fe, Co, Ni, and Cu), 4d metals (Ag and Pd), and rare-earth elements (Eu, Gd, and Ce) is discussed in this review. Effect of concentration on magnetic moment is als...

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