COPRECIPITATION相关论文
通过反滴共沉淀法合成Co:MgAl2O4纳米粉体,通过真空烧结和HIP后处理制备了高透明的Co:MgAl2O4陶瓷.研究了碳酸铵的添加量对合成前......
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Validation of Coprecipitation-ion Exchange Combined Process for Effective Arsenic Removal from High-
Effective arsenic removal from high-arsenic industrial wastewater is an important but challenging task.Here a coprecipit......
The 16.82%Cr powder was added in 74.69Fe/4.35Ni/4.0Cu/0.04Ag alloy powder, made stainless steel materials by the method ......
The photocatalyst such as TiO2 has been widely used in environmental sanitation and wastewater treatment.Many methods im......
Morphology-controllable synthesis of AgGd0.9Eu0.1(MoO4)2 phosphor prepared via a simple coprecipitat
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Coprecipitation of arsenate with gypsumrelevant to arsenic removal and immobilization process in hyd
Lime neutralization and coprecipitation of As(Ⅴ) with iron(Ⅲ) are regarded as the most effective and economical me......
Catalytic decomposition of ethyl acetate over La-modified Cu-Mn oxide supported on honeycomb ceramic
The La-modified Cu-Mn spinel oxide was successfully coated onto honeycomb ceramic by a wash-coating method for complete ......
Coprecipitation of metal ions into calcite:an estimation of partition coefficients based on field in
Trace elements(and their isotopes)in carbonates are commonly used to reconstruct paleoenvironment and paleoclimate.Under......
采用溶胶?凝胶法、共沉淀法及水热法等湿化学合成方法可合成具有纯度高,组分均匀,粒度细且分布范围窄等特点的微波介质陶瓷粉末.文......
Synthesis of SrAl2O4:Eu2+,Dy3+ phosphors by the coupling route of microemulsion with coprecipitation
Nano-sized SrAl2O4:Eu2+,Dy3+ phosphors with good monodispersity and narrow size distribution were synthesized by the cou......
以ZrOCl2·8H2O和Y(NO3)3·6H2O为原料,采用共沉淀法合成纳米ZrO2-8wt%Y2O3(8YSZ)陶瓷粉末。利用XRD,SEM,TEM等方法研究纳米8YSZ粉......
Cerium-substituted yttrium iron get(CexY3-xFe5O12, Ce∶YIG) was prepared via coprecipitation. The structure, morphology,......
Selective catalytic reduction (SCR) of nitric oxide with propane in excess oxygen was investigated on Ni-ZrO2 (NZ) and s......
Nickel ferrite spinel as catalyst precursor in the dry reforming of methane:Synthesis, characterizat
Dry reforming of methane by CO2 using nickel ferrite as precursor of catalysts was investigated.Nickel ferrite crystalli......
Pb(Mg1/3Nb2/3)O3-PbTiO3-BaTiO3 Complex Perovskite Ferroelectric Ceramics with High Dielectric Consta
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......
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......
Comparison of the Sol-gel Method with the Coprecipitation Technique for Preparation of Hexagonal Bar
本文通过对荣华二采区10...
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......
Fast Photodegradation of Malachite Green using Nano-ZnO on Ceramic MgAl Carbonate Layered Double Hyd
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......
The α-SiC in 0.5 μm size powders were coated with Al2O3 and Y2O3 by a coprecipitation coating (CPC) method for fabrica......
SmxGdyCe1-x-yO2-δ (x+y=0.2 and x=0, 0.04, 0.08, 0.12, 0.16, 0.2) nanopowders were prepared by a coprecipitation method.......
White body-color (Y, Gd)BxV1- xO4-x :Eu3 + phosphors were prepared by coprecipitation reaction. Under VUV excitation at ......
The objective of this study was to establish the dielectric properties of CoFe2O4 nanoparticles with particle sizes that......
研究了在Sm_2Zr_2O_7中掺杂Ce元素对其热膨胀系数的影响.通过共沉淀法合成Sm_2Ce_xZr_(2-x)O_7(0≤x≤0.4)粉体,在1600 ℃烧结成形......
Using the constant addition technique, the coprecipitation of lanthanum, gadolinium, and lutetium with aragonite in seaw......
Magnetic Fe3O4 nanoparticles were prepared by means of coprecipitation using NH3·H2O in water and in alcohol, and using......
Comparison of the Sol-gel Method with the Coprecipitation Technique for Preparation of Hexagonal Bar
Hexagonal barium ferrite BaFe12O19 particles were prepared by sol-gel and coprecipitation methods,respectively.The compo......
Nickel ferrite spinel as catalyst precursor in the dry reforming of methane:Synthesis, characterizat
Dry reforming of methane by CO2 using nickel ferrite as precursor of catalysts was investigated.Nickel ferrite crystalli......
Synthesis of SrAl2O4:Eu2+,Dy3+ phosphors by the coupling route of microemulsion with coprecipitation
Nano-sized SrAl2O4:Eu2+,Dy3+ phosphors with good monodispersity and narrow size distribution were synthesized by the cou......
Silver-tin oxide powders were synthesized by the hydrothermal method with Ag(NH3)2+ solution and Na2SnO3 solution as raw......
采用共沉淀法制备Cu-Zn-Al-Mg甲醇合成催化剂,并用XRD、N2低温吸附、H2-TPR、SEM、TG-DTG等手段对催化剂进行表征,着重考察焙烧温......
用化学共沉淀法合成了陶瓷Pb(Zr0.53Ti0.47)O3超细粉体,以聚乙二醇(PEG)为分散剂对所得粉体进行分散.通过X衍射、扫描电镜分析,研......
用共沉淀法制备复合Al<sub>2</sub>O<sub>3</sub>-SiO<sub>2</sub>超细粒子。研究了不同的加料方式、反应物初始浓度配比以及干燥......
Agglomeration Control of Uitrafine Y2O3 -ZrO2 and （ MgO, Y2O3 ） -ZrO2 Powders Synthesized byCoprecip
Chemical coprecipitation was used to produce ultrafine and easily sinterable Y2O3-stabilized and (Y2O3, MgO)-stabilized ......
通过化学共沉淀法合成PLZST多晶料,采用XRD和SEM对多晶料进行表征,考察了煅烧温度、过量Pb掺量、退火处理等条件对PLZST多晶料的影......
SmxGdyCe1-x-yO2-δ (x+y=0.2 and x=0, 0.04, 0.08, 0.12, 0.16, 0.2) nanopowders were prepared by a coprecipitation method.......
采用共沉淀法制备了γ-Al2O3载体和La添加量小同的LaxAl100-xO（m（La）：m（Al）=x：（100-x））载体，然后用浸渍法制备了Ni负载量（质量分数）为10％的Ni／γ-A......
报道了用改进的化学共沉淀法制备掺Ｃａ，Ｓｍ，Ｍｎ钛酸铅超细娄末技术，制得的粉料粒径小于０．０５μｍ，其掺杂元素均能定量地准确掺入。......
采用冷轧厂酸洗废液为主要原料,通过配加硫酸铜试剂,采用共沉淀的方法,制备出铁铜合金粉末前驱体,确定了优化反应时间及反应温度。......
通过共沉淀法合成铌镁酸铅－钛酸铅介电陶瓷粉末，经８００℃焙烧后，Ｘ射线衍射研究表明几乎为单一钙钛矿相；经１０００℃烧结的陶瓷片其密度达到理论值的......
<正> 钙钛矿型PbTiO_3是铁磁性材料,具有高居里温度,低介电常数和明显的各向异性参数,是一种有应用前景的复合材料成分。现已报道......
用共沉淀法和溶胶-凝胶法制备了Fe-P-O催化剂,用DTA-TG、TEM、XRD、IR和TPR等方法对微粒组成、结构进行了表征.以分子探针IR方法考......
以碳酸氢铵为沉淀剂,用反滴加共沉淀法获得前驱体,将前驱体在900℃下煅烧5 h,合成了Co∶Y3Fe5O12（YIG）及Ni∶Y3Fe5O12（YIG）。通过对YIG......
用共沉淀法制备了镁铝水滑石，并进行XRD、N2吸附-脱附、TG—DTA和FT—IR等表征。结果表明，制备的镁铝水滑石呈六方晶型，比表面积为121......
采用共沉淀法制备Cu/MnO/Al2 O3催化剂，运用N2吸附-脱附、XRD、XRF和H2-TPR等对其进行表征，并用于乙酸甲酯加氢制乙醇反应，考察共沉淀......
采用共沉淀法制备CuCoGaAl催化剂,考察Ga含量对催化剂织构及低碳醇合成性能的影响。结果表明,加入Ga可提高催化剂的比表面积,改变......
通过对离子生成氢氧化物沉淀完全性的理论和实验结果分析，指出用氨水作沉淀剂，共沉淀法制备主组分为铁、镁和锌的无铬铁系丁烯氧化脱......
研究了阴极铜中微量砷和锑测定继续流动氢化物原子荧光光谱法（HGAFS），该法病例、快速。采用氢氧化铁一次共沉淀即可定量富集这两种待......
