NIOBIUM

作品数：281被引量：577H指数：10
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Fabrication of niobium doped titanate nanoflakes with enhanced visible-light-driven photocatalytic activity for efficient ibuprofen degradation被引量：4
《Chinese Chemical Letters》2019年第12期2177-2180,共4页Wen Liu Wei Zhang Mushi Liu Penghui Du Chenyuan Dang Jialiang Liang Yunyi Li 
supported by the Natural Science Foundation Project of Chongqing Science and Technology Commission (CQ CSTC)(No.cstc2018jcyjAX0320);the Fundamental Research Funds for the Central Universities(No.2018CDXYCH0013);Financial supports from the National Nature Science Foundation of China(NSFC)(Nos.91647211 and No.51539001);the Innovative Research Group of NSFC(No.51721006)
In this study,a novel class of niobium(Nb) doped titanate nanoflakes(TNFs) are fabricated through a onestep hydrothermal method.Nb doping affects the curving of titanate nanosheet,leading to the formation of nanoflake...
关键词：TITANATE NIOBIUM Photocatalysis Element doping IBUPROFEN 
Electrochemical properties of niobium and phosphate doped spherical Li-rich spinel LiMn2O4 synthesized by ion implantation method被引量：2
《Chinese Chemical Letters》2017年第7期1438-1446,共9页Wei Li Gao-Wa Siqin Zhi Zhu Lu Qi Wen-Huai Tian 
supported by a grant from the National High Technology Research and Development Program of China(863 Program)(No.2008AA11A102)
Spherical Li-rich lithium manganese oxide（LMO） spinel material was synthesized by an ion implanted method assisted by polyalcohol doped with Niobium and Phosphate simultaneously.The material was characterized by sca...
关键词：Spinels Ion implantation Li-ion batteries LiMn2O4 Doping 
Conductivity and chemical stability of SrCe_(0.92)Nb_(0.03)Tm_(0.05)O_(3-δ) membrane prepared by modified sol-gel method
《Chinese Chemical Letters》2012年第8期957-960,共4页Wen Hui Yuan Chun Shan Dong Li Li 
supported by Joint Funds of NSFC-Guangdong (No. U0834004);NSFC (No. 20976057);Guangdong Provincial Natural Science Funding (No. 06025657)
SrCe0.92 Nb 0.03 Tm0.05 O 3-δ powders were synthesized by a modified sol-gel method using citrate as a chelating agent.X-ray diffraction（XRD） analysis verified SrCe 0.92 Nb 0.03 Tm 0.05 O 3-δ powders and membranes...
关键词：Strontium cerate Chemical stability NIOBIUM Electrical conductivity 
Theoretical study on the reaction of NbS^+(~3∑^-,~1Γ) with CO
《Chinese Chemical Letters》2009年第6期755-758,共4页Shi Wen Yu TaoHong Li Xiao Mei Yang Li Qing Yin Li Feng Yao Xiao Guang Xie 
supported by the National Natural Science Foundation of China(No.20563005);the Key Laboratory of Forest Resources Conservation and Use in the Southwest Mountains of China(Southwest Forestry University);the General Program of the Applied Basic Research of Science and Technology Department of Yunnan Province
Two possible reactions of NbS＋ （3∑^-, 1Г） with CO in the gas phase have been studied by using B3LYP and CCSD（T） methods： the O/S exchange reaction （NbS^＋ ＋ CO → NbO^＋ ＋ CS） and the S-transfer reaction ...
关键词：Niobium sulfide cation CO REACTION CCSD（T） 
PREPARATION　AND　CHARACTERIZATION　OF　NIOBIUM－CONTAINING　DIMOLYBDO－15－TUNGSTODIPHOS－PHORIC　SALT
《Chinese Chemical Letters》1996年第2期199-200,共2页Gong, J Qu, LY 
Preparation of P2W15M15Mo2NbO627- was reported in the paper. It was characterized by elementry analysis, IR,UV, polarography, 183 W-NMR and XPD spectra. All results showed the structure of the heteropoly anion was the...
HALL EFFECT IN NIOBIUM DOPED YBa_2Cu_3O_(7-y) SUPERCONDUCTOR
《Chinese Chemical Letters》1993年第5期467-468,共2页Jian MENG Yu Fang REN Xiao Guang LI 
This project was supported by National Matural Science foundation of China.
YBa_2Cu_(3-x)Nb_xO_(7-y) superconductors have been prepared. XRD shows that the system remains orthorhombic for all composition. Substitution of Nb^(5+) for Cu^(2+) occurs in the Cu(2) sites. The introduction of the N...
关键词：LI Cu HALL EFFECT IN NIOBIUM DOPED YBa2Cu3O SUPERCONDUCTOR 
SYNTHESIS AND STRUCTURE OF SbNB_3(Se_2)_6, A NEW ONE-DIMENSIONAL TERNARY NIOBIUM SELLURIDE COMPOUND
《Chinese Chemical Letters》1992年第10期853-854,共2页Shui Quan DENG Hong Hui ZHUANG Ding Ming WU Jin Ling HUANG 
SbNb_3(Se_2)_6, Mr=1347.99, tetragonal, P4/mnc,a=b=9.466(2),c=19.075(3) ,V=1709.0(4) ~3, z=4, Dm=5.2(2)g/cm^3, Dc=5.24g/c^3,λ(Moka)=0.71069 ,μ=287.39cm^(-1), F(000)=2328,T=276(1)k,R=5.9％,Rw=6.9％, for 479 unique ob...
关键词：SYNTHESIS AND STRUCTURE OF SbNB3 Se2 A NEW ONE-DIMENSIONAL TERNARY NIOBIUM SELLURIDE COMPOUND 
HIGHLY SENSITIVE SPECTROPHOTOMETRY OF NIOBIUM
《Chinese Chemical Letters》1990年第3期229-230,共2页Zong Ming LUO (Department of Chemical Engineering,Guangdong Institute of Technology,Guangzhou,510090) 
In pH2.0-3.0,niobium(V)forms molybdonlobic acid with sodium molybdate.A spectrophotometric method has been developed for the deter- mination of niobium based on the formation of ion-associate compound of molybdoniobat...
关键词：HIGHLY SENSITIVE SPECTROPHOTOMETRY OF NIOBIUM 
HIGHLY SENSITIVE SPECTROPHOTOMETRY OF NIOBIUM
《Chinese Chemical Letters》1990年第2期131-132,共2页Zong Ming LUO Department of Chemical Engineering,Guangdong Institute of Technology,Guangzhou,510090 
In pH 2.0-3.0 medium,niobium(v)forms molybdoniobic acid with sodium molybdate.A spectrophotometric method has been developed for the determination of niobium based on the formation of ion-associate compound of molybdo...
关键词：ACID HIGHLY SENSITIVE SPECTROPHOTOMETRY OF NIOBIUM IV 
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