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Author: LUO Cheng -wen, WANG Zheng -pi
Abstract: Rare earth complexes became excellent luminescence materials, as lanthanide ions with peculiar characteristics. They were very important for fundamental and applied research. The rare earth complex luminescence mechanism, luminescence features and the tre...
Abstract: Rare earth complexes became excellent luminescence materials, as lanthanide ions with peculiar characteristics. They were very important for fundamental and applied research. The rare earth complex luminescence mechanism, luminescence features and the tre...
Author: He Junyu , Ren Yanfang, Ren Mi
Abstract: Cadmium （Cd） is a highly toxic and persistent environmental poison. Its increasing level in soil environment exerts a wide range of adverse effects on plants and even the healthy of human beings by food chains. In the study, the possible effects of Pr on ...
Abstract: Cadmium （Cd） is a highly toxic and persistent environmental poison. Its increasing level in soil environment exerts a wide range of adverse effects on plants and even the healthy of human beings by food chains. In the study, the possible effects of Pr on ...
Author: Wang Liandeng, Zhu Dingyi , We
Abstract: The effect of Ce2O3 on the fabrication of the Al-Ti-C refiner prepared by adding a powder mixture of potassium titanium fluoride and carbon to an aluminum melt, was studied by means of OM, XRD, SEM, EDAX, etc. It was found that the addition of Ce2O3 could...
Abstract: The effect of Ce2O3 on the fabrication of the Al-Ti-C refiner prepared by adding a powder mixture of potassium titanium fluoride and carbon to an aluminum melt, was studied by means of OM, XRD, SEM, EDAX, etc. It was found that the addition of Ce2O3 could...
Author: Shi Fei , Wang Wenbo, Guo Xuef
Abstract: Mg68Zn29Y3 alloy with stable icosahedral quasicrystals were prepared by cast method cooling with a metal step die. The microstructures, composition and phases of the Mg68Zn29Y3 alloy were analyzed by SEM and EDS. And the icosahedral quasicrystalline struc...
Abstract: Mg68Zn29Y3 alloy with stable icosahedral quasicrystals were prepared by cast method cooling with a metal step die. The microstructures, composition and phases of the Mg68Zn29Y3 alloy were analyzed by SEM and EDS. And the icosahedral quasicrystalline struc...
Author: Li Lingjie, Wang Sha, Zhang Xu
Abstract: The lanthanum conversion coatings with strong protective ability were prepared on AZ31 magnesium alloy by chemical immersion treatments. The X-ray photoelectron spectroscopy （XPS） characterization revealed that the conversion coatings mainly consisted of ...
Abstract: The lanthanum conversion coatings with strong protective ability were prepared on AZ31 magnesium alloy by chemical immersion treatments. The X-ray photoelectron spectroscopy （XPS） characterization revealed that the conversion coatings mainly consisted of ...
Author: Xu Zhibin, Zhu Minggang.
Abstract: The NdFeB primary phase alloys were prepared by using strip casting technique. The microstructures of NdFeB strips showed that the Nd-rich phase was distributed uniformly at grain boundaries.Preferred orientation of easy c axis of NdFeB strips was verifie...
Abstract: The NdFeB primary phase alloys were prepared by using strip casting technique. The microstructures of NdFeB strips showed that the Nd-rich phase was distributed uniformly at grain boundaries.Preferred orientation of easy c axis of NdFeB strips was verifie...
Author: Wu Qunying , Xiao Yan, Zhang Y
Abstract: A series of CeO2-ZrO2-Al2O3 oxygen storage materials were prepared by chemical precipitation method. The effects of aging time, La2O3 content, pH value and precipitation process on specific area, oxygen storage capacity （OSC） and structure were investigat...
Abstract: A series of CeO2-ZrO2-Al2O3 oxygen storage materials were prepared by chemical precipitation method. The effects of aging time, La2O3 content, pH value and precipitation process on specific area, oxygen storage capacity （OSC） and structure were investigat...
Author: Lin Hui, Yuan Ximing , Li Yon
Abstract: A red emitting phosphor Sr2 SiO4 ： Eu^3＋ T was successfully synthesized via a combustion synthesis method using urea as fuel and boric as flux. The crystallization and luminescence properties of the samples were characterized systematically by means of po...
Abstract: A red emitting phosphor Sr2 SiO4 ： Eu^3＋ T was successfully synthesized via a combustion synthesis method using urea as fuel and boric as flux. The crystallization and luminescence properties of the samples were characterized systematically by means of po...
Author: Ding Jiayu, Xiao Yuan, Zhang Q
Abstract: The Y2O3-2TiO2 based microwave dielectric ceramics doped with samarium oxide were prepared by the conventional solid-state method. The effects of.their dielectric properties and phase composition with additive of different contents of samarium oxide were ...
Abstract: The Y2O3-2TiO2 based microwave dielectric ceramics doped with samarium oxide were prepared by the conventional solid-state method. The effects of.their dielectric properties and phase composition with additive of different contents of samarium oxide were ...
Author: Wang Weidong , Chen Lianglin C
Abstract: In ethanol medium, one solid ternary com plex of Eu （ 111 ） with 5-fluorouracil-l-yl acetic acid and L-serine was synthesized at 60 ℃ and characterized by elemental analysis, EDTA titration, molar conductance, ultraviolet spectra （ UV）, infrared spectra...
Abstract: In ethanol medium, one solid ternary com plex of Eu （ 111 ） with 5-fluorouracil-l-yl acetic acid and L-serine was synthesized at 60 ℃ and characterized by elemental analysis, EDTA titration, molar conductance, ultraviolet spectra （ UV）, infrared spectra...
Author: Ouyang Rui, Zhang Wengong , L
Abstract: The decorated nano-Eu2O3/polyaniline organic colloids and the corresponding hybrid film materials were prepared by pulsed laser ablation （PLA-IT/ SFL）. We studied some preparation factors, which had an effect on luminescence characteristics of the organic...
Abstract: The decorated nano-Eu2O3/polyaniline organic colloids and the corresponding hybrid film materials were prepared by pulsed laser ablation （PLA-IT/ SFL）. We studied some preparation factors, which had an effect on luminescence characteristics of the organic...
Author: Ding Yongquan , Zhong Lusheng,
Abstract: The accurate algorithm for any component group system of solvent separation extraction process cascade was proposed. In addition, the mathematic relations of separation and material balance of solvent separation extraction cascade were presented. And the ...
Abstract: The accurate algorithm for any component group system of solvent separation extraction process cascade was proposed. In addition, the mathematic relations of separation and material balance of solvent separation extraction cascade were presented. And the ...
Author: Gao Feng, Hu Weiping, Zhang Zi
Abstract: The distribution of La influenced by the submerging condition was studied, contrasting with the dry condition. The results showed that： the submerging condition had no significant effect on the distribution of endogenous La fraction B1 ： water soluble, ex...
Abstract: The distribution of La influenced by the submerging condition was studied, contrasting with the dry condition. The results showed that： the submerging condition had no significant effect on the distribution of endogenous La fraction B1 ： water soluble, ex...
Author: He Hanwei , Jia Shouya, Guo We
Abstract: The separation of ytterbium （ Ⅲ） and lutetium （Ⅲ） by cation exchange chromatography with the N -hydroxyethylethylenediaminetriacetic acid （HEDTA） and citric acid system was studied. The IR spectra and potentiometric titration were used to confirm the form...
Abstract: The separation of ytterbium （ Ⅲ） and lutetium （Ⅲ） by cation exchange chromatography with the N -hydroxyethylethylenediaminetriacetic acid （HEDTA） and citric acid system was studied. The IR spectra and potentiometric titration were used to confirm the form...
Author: Li Xianfen, Shi Weiwei, Li Bao
Abstract: The synthesis of lanthanum iso-octoate was studied in this paper. The highest conversion of lanthanum （99.98%） was obtained under the optimized synthetic conditions with aeronautic coal oil as the solvent, reacting at 80 ℃ for 20 min and the saponificatio...
Abstract: The synthesis of lanthanum iso-octoate was studied in this paper. The highest conversion of lanthanum （99.98%） was obtained under the optimized synthetic conditions with aeronautic coal oil as the solvent, reacting at 80 ℃ for 20 min and the saponificatio...
Author: Wu Legang, Ning Ping , Yang Do
Abstract: The Ce-Zr-Mn-Al-O solid solutions with precious metal Pd prepared by sol-gel, impregnation and coprecipitation were characterized by BET, TPR and OSC for fresh and aged sample. The results showed that the solid solutions prepared by sol-gel method had goo...
Abstract: The Ce-Zr-Mn-Al-O solid solutions with precious metal Pd prepared by sol-gel, impregnation and coprecipitation were characterized by BET, TPR and OSC for fresh and aged sample. The results showed that the solid solutions prepared by sol-gel method had goo...
Author: Wang Min , Wang Li＇ao, Zhang D
Abstract: The Eu/FeVO4 novel photocatalysts were prepared by impregnation method using NH4VO3, Fe （NO3）3 ·9H2O and Eu（NO3）3 as starting materials. The obtained samples were characterized by XRD, SEM, BET, DRS and XPS. The XRD patterns indicated that the Eu/FeVO4 ph...
Abstract: The Eu/FeVO4 novel photocatalysts were prepared by impregnation method using NH4VO3, Fe （NO3）3 ·9H2O and Eu（NO3）3 as starting materials. The obtained samples were characterized by XRD, SEM, BET, DRS and XPS. The XRD patterns indicated that the Eu/FeVO4 ph...
Author: Zheng Xianjun , Jiang Qiaojuan
Abstract: A series of RE/TiO2 （ La/TiO2, Eu/TiO2, Y/TiO2, Pr/TiO2, Nd/TiO2, Sm/TiO2, Gd/TiO2 ） photocatalyst powders were prepared by sol-gel method. The characterization by XRD showed that the TiO2 doped with small amount of rare earth ions could effectively restr...
Abstract: A series of RE/TiO2 （ La/TiO2, Eu/TiO2, Y/TiO2, Pr/TiO2, Nd/TiO2, Sm/TiO2, Gd/TiO2 ） photocatalyst powders were prepared by sol-gel method. The characterization by XRD showed that the TiO2 doped with small amount of rare earth ions could effectively restr...
Author: Wei Ting, Liu Licheng, He Hong
Abstract: The colloidal Pd nanoparticles were synthesized by ultra-assistant membrane diffusion reaction （UAMR） firstly, and then three different methods were adopted to prepare a series of Pd/Ce0.5Zr0.5O2 nanoeatalyst from the prepared Pd nanopartieles. The morpho...
Abstract: The colloidal Pd nanoparticles were synthesized by ultra-assistant membrane diffusion reaction （UAMR） firstly, and then three different methods were adopted to prepare a series of Pd/Ce0.5Zr0.5O2 nanoeatalyst from the prepared Pd nanopartieles. The morpho...
Author: Xu Haibo, Wu Xiaodong , Weng D
Abstract: A series of of TM （ Fe, Ce mixed oxides were prepared by Co sol - were hydrothermally aged at 800 ℃ , NiandMn）gel method and for 20 h. The samples were characterized by XRD and BET. The CO-TPR was performed to investigate the reduction behavior of the sam...
Abstract: A series of of TM （ Fe, Ce mixed oxides were prepared by Co sol - were hydrothermally aged at 800 ℃ , NiandMn）gel method and for 20 h. The samples were characterized by XRD and BET. The CO-TPR was performed to investigate the reduction behavior of the sam...
Author: Li Yanhong , Liu Qian, Zhang
Abstract: YVO4 ： Eu^3＋ nanoparticles were prepared at different temperatures by hydrothermal method. The structure, morphology and the precursors and YVO4 luminescence properties of ： Eu^3＋ nanoparticles were studied by XRD, SEM and luminescence spectrum. The resul...
Abstract: YVO4 ： Eu^3＋ nanoparticles were prepared at different temperatures by hydrothermal method. The structure, morphology and the precursors and YVO4 luminescence properties of ： Eu^3＋ nanoparticles were studied by XRD, SEM and luminescence spectrum. The resul...
Author: Cheng Qingyan , Ji Yaning, Li
Abstract: The Eu^3 ＋ doped silicon-titanium pillared montmorillonite was prepared by the sol-gel method, and the structure was studied by XRD, SEM-EDX and FT-IR. The results indicated that the pillaring agent of Eu^3 ＋ doped silicon-titanium was inserted into the m...
Abstract: The Eu^3 ＋ doped silicon-titanium pillared montmorillonite was prepared by the sol-gel method, and the structure was studied by XRD, SEM-EDX and FT-IR. The results indicated that the pillaring agent of Eu^3 ＋ doped silicon-titanium was inserted into the m...
Author: XU Dong, WU Xinxin, CHENG Xiao
Abstract: Y2O3-doped ZnO-based varistor ceramics are prepared by two-step sintering method, the voltage gradient is 863-1330V/mm, non-linear coefficient is 27.0-49.7, and leakage current is 0. 55-1. 13μA. The results show that Y2O3-doped ZnO-based varistor ceramics...
Abstract: Y2O3-doped ZnO-based varistor ceramics are prepared by two-step sintering method, the voltage gradient is 863-1330V/mm, non-linear coefficient is 27.0-49.7, and leakage current is 0. 55-1. 13μA. The results show that Y2O3-doped ZnO-based varistor ceramics...