spinel相关论文
尖晶石的有序-无序相变作为尖晶石的一种重要性质, 在国内缺少相关研究成果。 运用拉曼光谱仪通过785 nm激光在液氮环境下激发含Cr......
以Fe2O3-MgO-cordierite体系为基础, 用不同质量分数 TiO2和 ZnO进行掺杂, 制得具有高发射率的尖晶石型红外辐射涂料。通过 XRD、S......
利用铬铁废渣为Fe和Cr元素的致色前驱体制备了环境友好型黑色陶瓷釉。结果表明:黑釉中发色晶体为Fe–Cr–Co型混合尖晶石,黑釉中由......
Comprehensive Utilization of Natural Magnesium-Containing Resources and the Development of MgO-Based
This paper presents the ways of comprehensive utilization of the natural magnesium-containing resources and the trends o......
Effects of Magnesia Fines Addition and Spinel with Different Compositions on Thermal Expansion Behav
Effects of magnesia fines addition (4%,6% and 8% in mass ) and spinel with different compositions (alumina-rich,magnesia-ri......
The modification of MgO·Al2O3 spinel inclusions in Al-killed steel by Ca-treatment has been studied by industrial trial......
The extraction of vanadium from high calcium vanadium slag was attempted by direct roasting and soda leaching. The oxida......
采用基于密度泛函理论的第一性原理平面波超软赝势法,计算了尖晶石型Zn1-xMnxFe2O4(x=0,0.5,1)铁氧体的电子结构和磁性,计算结果表......
Preparation of Homogeneous Mn-Co-Ni-O Negative Temperature Coefficient Ceramic by Improved Oxalate C
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......
LiMn1.8Co0.2O3.95F0.05 powder was prepared by heating the ignited LiMn1.8Co0.2O3.95F0.05 precursor gel using lithium ace......
Thermodynamic simulation of the effect of slag chemistry on the corrosion behavior of alumina-chromi
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......
The sulfuric acid leaching process is regarded as a promising, cleaner method to prepare trivalent chromium products fro......
Growth and aggregation control of spinel by shear-force-based melting modification of stainless stee
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......
Effect of Fe2O3 on the size and components of spinel crystals in the CaO–SiO2–MgO–Al2O3–Cr2O3 system
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......
Altered Spinel as a Petrotectonic Indicator in Abyssal Peridotite from the Easternmost Part of South
The easternmost part of Southwest Indian Ridge(SWIR) has special crustal structure, magmatic and tectonic processes. Aby......
Catalytic properties of nanosized zinc aluminates prepared by green process using Opuntia dilenii ha
...
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
Al2O3- SiC - C castables for iron trough with fused magnesia powder (0, 3% , 6% , 9% and 12% ) were prepared with brown ......
Effect of lithium content on the electrochemical properties of solid-state-synthesized spinel LixMn2
Lithium-substituted LixMn2O4 (x = 0.98, 1.03, 1.08) spinel samples were synthesized by solid-state reaction.X-ray diffra......
The direct decomposition of N2O was investigated over a series of magnesium cobaltite catalysts, MgxCo1-xCo2O4 (0.0 ≤x ......
LiAlxMn2-xO4 (0≤x≤0.5) was synthesized by high temperature solid-state reaction.The structure and morphology of LiAl/M......
采用冷压气氛烧结制备17(Cu-10Ni)-(NiFe2O4-10NiO)金属陶瓷,并作为阳极在960℃下分别进行10和40 h的铝电解试验.对电解前后金属陶......
掺钴的镁铝尖晶石微晶玻璃是一种极具前途的新型可饱和吸收材料,可用于饵玻璃激光器的被动调Q,对于饵玻璃激光器的应用推广具有非......
开发了一种常压下用KOH亚熔盐介质氧化分解钒渣的新工艺,并考察了反应温度、碱矿质量比、粒度、搅拌速率等工艺参数对钒铬浸出的影......
The structures of the Mn-Zn ferrites synthesized under different sintering conditions by the sol-gel method were investi......
Ocean-Continent Subduction within the Paleotethyan Archiopeligic Ocean from Mineralogical Evidence o
Former studies show that the Muztag ophiolite, outcropped in the East Kunlun area of Xinjiang, formed in a supra-subduct......
γ-Al2O3 has been intensively studied as a catalyst support in alkane conversion due to its large surface area. However,......
用传统的高温固相法合成了尖晶石型LiMn_(195)La_(0.05O4)锂离子电池正极材料.通过充-放电测试,其最高容量为117.1mAh/g,经过50次......
ZSM-5 zeolite was in-situ synthesized from metakaolin or spinel by incorporating additional silica and alumina sources, ......
以Li2CO3和Mn(NO3)2为原料,以聚丙烯酰胺为高分子网络剂制得前驱体后,用微波加热技术合成了纳米晶尖晶石LiMn2O4粉体,通过循环伏安及充放电技术对其进行电化......
A Raman study was carried out for LiMn2O4, which was synthesized via the mixture of Mn3O4 and LiNO3 sintered at differen......
通过共沉淀法合成了NiAl2O4尖晶石结构的催化剂,并对其丙烷催化燃烧性能进行了测试,结合BET、SEM、XRD和H2-TPR表征数据,分析了不......
尝试在不同条件下用高温法一步直接制备了锂离子筛前驱体Li1+xMn2-xO4,并对产物进行了性能表征。将原料按一定配比混合均匀后,在马弗......
以CH3COOLi·2H3O、(CH3CO2)2Mn·4H2O、氧化物和柠檬酸为原料,采用流变相法经过2次灼烧后得到了不同氧化态离子掺杂的尖晶石......
采用化学共沉淀法制备出了镝掺杂铁氧体纳米晶,利用透射电子显微镜(TEM)、X射线衍射仪(XRD)、傅立叶红外光谱仪(FTIR)、古埃磁天平、振动......
以正硅酸乙酯为原料,采用溶胶-凝胶法在LiMn2O4表面包覆一层稳定的SiO2层.用X射线粉末衍射和扫描电镜等手段对包覆前后LiMn2O4的结......
采用柠檬酸络合溶胶-凝胶法制备CoAl2O4、MgFe2O4和CoFe2O4三种可见光响应型尖晶石纳米粉体,分别用UV—Vis、XRD和SEM对其光电活性......
实验根据不同粒度和多少的尖晶石对透气砖座砖常温和高温下强度以及重烧线变化、热震稳定性能的影响,采用正交设计法来确定最佳粒度......
In order to understand the failure mechanism of magnesia- alumina spinel crown of glass melters,a discussion on the stab......
将MnO2和Li2CO3通过固相反应法合成了化学计量比的LiMn2O4和富锂型Li1+xMn2-xO4(x=0.02,0.04,0.06,0.08,0.1).研究表明,所合成的样......
通过X射线衍射(XRD)、扫描电镜(SEM)、粒度分析以及充放电性能测试对固相烧结法制备的LiCoxMn2-xO4(x=0,0.05,0.10,0.15,0.20)结构、形貌进行表征......
用水性聚合物网络凝胶法制备了纳米镁铝尖晶石陶瓷粉体,研究了镁铝尖晶石陶瓷粉体的制备工艺过程.研究结果表明:通过网络的阻碍作......
通过X射线衍射、N2吸附-脱附、程序升温脱附、程序升温还原和电子顺磁共振方法研究了焙烧温度对MgO-Al2O3载体物化结构和Co-Mo/MgO......
本文分别采用低温共沉淀法、高温法和水热法制备MnFe2O4的纳米晶体.利用XRD、TEM和VSM对试样进行了表征.重点研究了低温共沉淀法的......
尕林格大型矽卡岩型铁多金属矿床地处东昆仑祁漫塔格山与柴达木盆地结合部位靠近盆地一侧。本文主要针对尕林格矿床Ⅱ矿群内发现的......
采用球磨促进固相合成法,在500℃合成具有纳米结构的尖晶石相LiMn2O4样品,对样品进行不同时间的球磨处理,并用XRD和FTIR对处理后的......
用CoO1+x/SiO2对尖晶石正极材料LiMn2O4进行了包覆,对包覆尖晶石LiMn2O4的电化学性能进行了研究,结果表明:CoO1+x/SiO2包覆LiMn2O4在3.0—4......