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近几年来,计算机视觉飞速发展,与之相关的应用也已经进入到人们的日常生活中。识别自然场景图像中的文本还有许多问题需要解决。自......
Photoluminescence properties of Tm3+/Tb3+/Sm3+tri-doped Na5Y9F32 single crystal with high thermal st
A novel Tm3+/Tb3+/Sm3+ tri-doped Na5Y9F32 single crystal was synthesized by a modified Bridgman method for the propose o......
Glass forming regions and concentration-dependent luminescence properties of Tb3+-activated telluriu
The glass-forming regions of tellurium-gadolinium-tungsten ternary system prepared at 1000 ℃ for 60 min were firstly de......
Plasmon-enhanced broad-band quantum-cutting of NaBaPO4:Eu2+,Er3+phosphors with silver nano-particles
NaBaPO4:Eu2+,Er3+phosphors and Ag nano-particles (NPs) were prepared by the solid-state reaction and chemical reduction ......
Structure, magnetism and magnetic thermal properties of heavy rare earth Tb1-xTmxFeO3 (x=0.00, 0.15,
Tb1-xTmxFeO3 (x=0.00, 0.15, 0.25) polycrystalline series were synthesized using a solid-state reaction. Our results show......
Spinel ferrite Co1-2xNixMnxFe2-yCeyO4 (0.0≤x=y≤0.3) nanoparticles (NPs) were prepared by sol-gel auto-combustion metho......
New adsorbent material was obtained by modification of commercial Amberlite XAD7 with thiourea that represents a non-tox......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
采用溶液-燃烧法制备了Ca2MgSi2O7白光LED用荧光粉,探讨了溶液-燃烧法制备样品的工艺参数并分别对单掺Eu3+和三掺Eu3+,Ce3+,Tb3+在......
目的 探讨育龄期女性少见类型垂体腺瘤患者的年龄分布、肿瘤大小、临床表现、影像学特征、激素水平、病理特点及治疗效果.方法 回......
Molten salt phase diagram evaluation by pattern recognition:Part Ⅰ Divalent rare earth halide and al
At present CALPHAD (CALculation of PHAse Diagram) technique is not capable of predicting whether there exists intermedia......
Effect of RE Modification and Heat Treatment on Impact Fatigue Property of a Wear Resistant White Ca
The morphology of carbides, as well as the generation and propagation of fatigue cracks in a wear resistant white cast i......
Influence of Doping Rare Earth on Performance of Lithium Manganese Oxide Spinels as Cathode Material
Some rare earth doping spinel LiMn2-xRExO4 (RE=La, Ce, Nd) cathode materials for lithium ion batteries were synthesized ......
Study on Properties and Structural Parameters of Microemulsion CTAB/Butanol/Cyclohexane/Salt Aqueous
The phase diagrams of microemulsion CTAB/butanol/cyclohexane/aqueous solution of nitrate (or aqueous solution of ammoniu......
Preparation of Lanthanum Nickel Oxide-Coated Ni Sheet Anodes and Their Application to Electrolytic P
A new process for electrolytic production of a perfluorinated compound, (CF3)3N, using lanthanum nickel oxide-coated Ni ......
The titanium barium glass microspheres doped with Er2O3 were designed and prepared. The components of the glass sample w......
Alloying is an important method to improve properties of casts. The influences of Mo and RE on the mechanical properties......
Synthesis, Characterization and Fluorescence Properties of Europium, Terbium Complexes with Biphenyl
Two series of solid complexes of europium and terbium with biphenyl 4-carboxylic acid and phen were synthesized and char......
Synthesis of Ti-Ce-Si Binary and Ternary Nanocomposite Photocatalyst by Supercritical Fluid Drying T
Ti-Ce, Ti-Si binary and Ti-Ce-Si ternary novel nanocomposite oxide photocatalysts were prepared with cheap inorganic sal......
The Y-Eu oxalate precursor was prepared with a homogeneous precipitation method.And the additives, Na2CO3, S, NaCl or th......
The catalytic activity of poly(styrene-acrylic acid) (PSAA) supported neodymium chloride (NdCl3) complex for the copolym......
Effect of electrolyte concentration on low-temperature electrochemical properties of LaNi5 alloy ele
The effect of KOH electrolyte concentration on low-temperature electrochemical properties of LaNi5 alloy electrodes at 2......
The effect of rare earths (RE) surface treatment of carbon fibers (CF) on tribological properties of CF reinforced polyt......
Effect of rare earth addition on microstructural, mechanical and electrical characteristics of Cu-6%
Cu-6%Fe (mass fraction) microcomposites containing (0-0.30)% rare earth elements were prepared by cold drawing and inter......
A modified solution combustion method to superfine Gd2O3:Eu3+ phosphor:preparation, phase transforma
Cubic and monoclinic Gd2O3:Eu 3+phosphors in the range of nano-scale and submicron-scale were prepared by a modified sol......
Novel Al-Sn-Bi anodes with and without lanthanum (La) were prepared. To evaluate the corrosion properties of the anodes,......
Indentation creep behaviors of Mg61Cu28Gd11 and (Mg61Cu28Gd11)99.5Sb0.5 bulk metallic glasses at roo
The room temperature creep behaviors of Mg61Cu28Gd11 and (Mg61Cu28Gd11i)99.5Sb0.5 bulk metallic glasses (BMGs) were reve......
The magnetocaloric effect of LaFe11.7Si1.3 compound was investigated under an external magnetic field up to 9 T. The mag......
Novel up-conversion (UC) luminescent nano-powders, CaSc2O4:Yb3+:Er3+ were prepared with a combustion method at an igniti......
This paper presented the studies on the optical properties and calculation of spectral parameters of europium doped lant......
The full densification polycrystalline cerium hexaboride (CeB6) cathode material was prepared by using the spark plasma ......
Eu3+-WO3 nanoparticles were successfully prepared by the modified method of Pechini.The prepared samples were characteri......
Composition-dependent optical transitions and 2.0 μm emission properties of Ho3+ in xGeO2-(80-x)TeO2
Ho3+ doped glasses with various compositions xGeO2-(80-x)TeO2-9.5ZnF2-10NaF-0.5Ho2O3 (x=0,10,20,30,40,50,60,70 and 80) w......
Luminescent properties of praseodymium doped Y2O3 and LaAlO3 nanocrystallites and polymer composites
Luminescent properties of Y2O3 and LaAlO3 nanopowders doped with Pr3+ ions and PMMA-based composite materials doped with......
In the present work transparent Y2O3 ceramics were made by slip casting and vacuum sintering of nanopowders with sodium ......
A study on hydrogen storage and electrochemical properties of La0.55Pr0.05Nd0.15Mg0.25Ni3.5 (Co0.5Al
The La0.55Pr0.05Nd0.15Mg0.25Ni3.5(Co0.5Al0.5)x(x=0.0,0.1,0.3,0.5) alloys were prepared by magnetic levitation melting un......
Synthesis and crystal structure of a novel double 1:11 series arsenotungstate:[CuI(phen)2]5H6[Sm(AsW
A novel double 1:11 series arsenotungstate, [CuI(phen)2]5H6[Sm(AsW11O39)2]·6H2O(phen=1,10-phenanthroline) was synthesiz......
Investigation of ultraweak emissions in the processes of chemiluminescence, CL, and electrochemiluminesce, ECL, requires......
The PMA/Eu2O3 porous and layered nanocomposite was prepared by in situ polymerization and characterized by means of X-ra......
Effects of Lanthanum on Redox Systems in Plasma Membranes of Casuarina equisetifolia Seedlings Under
The effects of lanthanum on some redox system(PMRS) properties of the plasma membrane(PM) vesicles from Casuarina equise......
Fluorescence spectra, absorption spectra and thermal stability properties of Nd3 + -doped phosphate laser glasses were t......
The nanosized particle materials of doped-TiO2 with Y2O3 were prepared by means of sol-gel technique for use in electror......
遍检现有研究唐宋诗歌选本的论著，如孙琴安《六百种唐诗选本提要》、金生奎《明代唐诗选本研究》、贺严《清代唐诗选本研究》、张智......
合成了两种杯芳烃的衍生物（2a,2b）,并作为大分子引发剂在三（2,6-二叔丁基-4-甲基-苯氧基）钇[Y（DBMP）3]的催化下,引发己内酯的可控开环聚......
附睾精子肉芽肿是一种发病率较低的肉芽肿性慢性炎症,精子肉芽肿临床少见,位于附睾头尾部易误诊为囊肿、结核,位于输精管旁、腹股......
1引言近一个世纪以来,由于天然林遭到大量砍伐和破坏,生态环境恶化,生物物种正以惊人的速度从地球上消失,因此保护生物学的重要性......
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合成N-正丁基二乙基酰亚胺萃取剂（BDAI），通过元素分析、红外光谱、紫外光谱、核磁共振及质谱等测试手段对其组成结构进行表征，并考查其......
采用柠檬酸发泡法制备了钙钛矿LaCoO3催化材料;研究了Ce对La进行掺杂替代对催化材料性能的影响;通过BET、XRD、SEM等手段对催化材......
