DIVALENT

作品数：77被引量：126H指数：5
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相关作者：田颖川虞红梅李常青梁海永郑均宝更多>>
相关机构：中国科学院河北农业大学北京大学武汉大学更多>>
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Photoluminescence upgradation of La_(2)MgTiO_(6):2%Dy^(3+) perovskite with monovalent(Li^(+)),divalent(Ba^(2+),Sr^(2+)) and trivalent(Bi^(3+),Sm^(3+))cation sensitization
《Journal of Rare Earths》2025年第1期47-56,I0002,共11页V.P.Veena K.Arun C.K.Shilpa S.V.Jasira K.M.Nissamudeen 
Nano phosphors of 2%Dy^(3+)(wt%)doped La_(2)MgTiO_(6) and monovalent/divalent/trivalent co-doped La_(1.98)Dy_(0.02)MgTiO_(6):x%A^(y+)(A^(y+):Li+,Ba^(2+),Sr^(2+),Bi^(3+),and Sm^(3+);0≤x≤2 wt%)were synthesized by comb...
关键词：PHOTOLUMINESCENCE PEROVSKITE WLED Co-doping RAREEARTHS 
Effect of monovalent/divalent ions and SiO_(2)-based nanocomposite dosage on thermochemical stability of HPAM polymeric solutions
《Petroleum》2024年第4期719-735,共17页Jhon F.Gallego Lady J.Giraldo Henderson I.Quintero Hugo A.García Karol Zapata Samira Heidari Masoud Riazi Camilo A.Franco Farid B.Cortés 
Universidad Nacional de ColombiaSede Medellín for the support provided;Fondo Francisco Jose de Caldas, MINCIENCIAS, and Agencia Nacional de Hidrocarburos (ANH) for the support provided through contract No. 112721-282-2023 (Project 282-2023)
This study evaluated the effect of monovalent and divalent ions and the dosage of a SiO_(2)-based nanocomposite on the thermochemical stability of HPAM polymeric solution.Chelating amine–functionalized NPs(AFNPs)were...
关键词：AMINE CHELATION Nanoparticles Partially hydrolyzed polyacrylamide(HPAM) Polymer Thermochemical stability 
Influences of divalent ion substitution on the magnetic and dielectric properties of W-type barium ferrite
《Chinese Physics B》2024年第6期480-486,共7页何诗悦 刘若水 刘煦婕 叶先平 王利晨 沈保根 
Project supported by the National Natural Science Foundation of China (Grant No. 52088101);the Kunpeng Plan of Zhejiang Province;Ningbo Top Talent Program。
Saturation magnetization,magneto-crystalline anisotropy field,and dielectric properties are closely related to microwave devices applied at different frequencies.For regulating the magnetic and dielectric properties o...
关键词：W-type hexaferrite Raman spectra magnetic properties dielectric properties 
Confined Mn^(2+) enables effective aerobic oxidation catalysis
《Science China Chemistry》2024年第5期1545-1553,共9页Desheng Yuan Sicong Ma Xiao Kong Chi Zhang Lin Chen Chengsheng Yang Lihua Wang Zhen Liu Lin Ye Yongmei Liu Rui Ma Zhi-Pan Liu Yifeng Zhu Yong Cao Xinhe Bao 
supported by the Ministry of Science and Technology of China (2022YFA1503804);National Natural Science Foundation of China (22272031, 22102033);Science&Technology Commission of Shanghai Municipality (22ZR1408000, 22QA1401300);the Fundamental Research Funds for the Central Universities (20720220008)。
Effective and mild activation of O_(2) is essential but challenging for aerobic oxidation. In heterogeneous catalysis, high-valence manganese oxide(e.g., +4) is known to be active for the oxidation, whereas divalent M...
关键词：confinement catalysis manganese oxide aerobic oxidation divalent Mn^(2+) operando spectroscopies 
A novel optical emission spectroscopy method for diagnostics of contribution of different ionization mechanisms and flux of ions in different valences in discharge channel of a Hall thruster
《Chinese Journal of Aeronautics》2024年第4期294-307,共14页Yanfei WANG Ximing ZHU Renqiu ZOU Shilin YAN Junwei JIA Zhongxi NING Daren YU 
financially supported by the National Natural Science Foundation of China (No.U22B2094)。
The mass application of Hall thrusters poses the need for a diagnostic method of ionization mechanism in the discharge channel to boost the iteration and optimization of thruster design.This work presents an Optical E...
关键词：Hall thruster Optical emission spectroscopy Ionization mechanism Particle flux Divalent ion 
Divalent anion intercalation and etching-hydrolysis strategies to construct ultra-stable electrodes for seawater splitting
《Science China Chemistry》2024年第2期687-695,共9页Jiajia Lu Yang Liu Han-Pu Liang 
supported from the China Postdoctoral Science Foundation (2020M682250);the Natural Science Foundation of Shandong Province (ZR2022QB062,ZR2021MB070);the DNL Cooperation Fund,CAS (DNL202010)。
Developing stable electrodes for seawater splitting remains a great challenge due to the detachment of catalysts at a large operating current and severe anode corrosion caused by chlorine.Herein,divalent anion interca...
关键词：seawater splitting stability divalent anion intercalation etching-hydrolysis 
A Theoretical Study of Tris-(o-benzoquinonediimine)-First-Row Divalent Transition Metal Complexes
《Advances in Chemical Engineering and Science》2023年第2期172-188,共17页Mohammad Abdul Matin Samiran Bhattacharjee Anwar Hossain 
The ligand o-phenylenediamine (opda) and its oxidized form, o-benzoquinonediimine (bqdi), act as a fascinating candidate coordinating toward transition metal ions leading to the photochemical hydrogen production in ab...
关键词：DFT O-PHENYLENEDIAMINE o-benzoquinodiimine First-Row Divalent Transition Metals Time Dependent–DFT Coordination Complexes 
Divalent nitrogen-rich cationic salts with great gas production capacities
《Defence Technology（防务技术）》2023年第4期54-68,共15页Hao Gu Cheng-chuang Li Chang-hao Dai Dong-xu Chen Hong-wei Yang Guang-bin Cheng 
supported by the National Natural Science Foundation of China(No.21875110,22075143);the Science Challenge Project(No.TZ2018004);the Qing Lan Project for the grant。
Monocyclic nitrogen-rich 3-(aminomethyl)-4,5-diamine-1,2,4-triazole(1)and fused cyclic 3,7-diamine-6-(aminomethyl)-[1,2,4]triazolo[4,3-b][1,2,4]triazole(9)were synthesized through the convenient cyclization reaction f...
关键词：Fused cyclic compound TRIAZOLE Divalent cation Gas production Energetic materials 
Poly(alkyl-biphenyl pyridinium)anion exchange membranes with a hydrophobic side chain for mono-/divalent anion separation被引量：1
《Industrial Chemistry & Materials》2023年第1期129-139,共11页Hongxin Yang Noor Ul Afsar Qian Chen Xiaolin Ge Xingya Li Liang Ge Tongwen Xu 
supported by the National Key Research and Development Program of China(No.2022YFB3805100);the National Natural Science Foundation of China(No.22222812 and 22178330);the Anhui Provincial Key Research and Development Plan(No.202104b11020030);the Natural Science Foundation of Anhui Province(No.2108085MB33).
A series of poly(alkyl-biphenyl pyridinium)anion exchange membranes(AEMs)with a hydrophobic side chain were prepared for mono-/divalent anion separation using electrodialysis(ED).A poly(alkyl-biphenyl pyridinium)polym...
关键词：Superacid-catalyzed polymerization Anion exchange membrane Mono-/divalent anion separation ELECTRODIALYSIS PERMSELECTIVITY 
High Fluorescence Porous Organic Cage for Sensing Divalent Palladium Ion and Encapsulating Fine Palladium Nanoparticles
《Chinese Journal of Chemistry》2022年第3期385-391,共7页Huimin Ren Chao Liu Xu Ding Xianzhang Fu Hailong Wang Jianzhuang Jiang 
the National Natural Science Foundation of China(Nos.21631003,21805005 and 22175020);the Fundamental Research Funds for the Central Universities(No.FRF-BD-20-14A);University of Science and Technology Beijing is gratefully acknowledged.
Porous organic cages(POCs)as an innovative type of porous molecular materials enable multifunctional applications.Herein,a fluorescence POC(denoted as 1)has been constructed by means of 5/5'-((2/5-dimethoxy-l/4-phenyl...
关键词：CATALYSIS Fluorescence recognition Nanoparticles Cage compounds PALLADIUM 
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