铁氧化物
- 网络Iron oxide;Cu-U-Au-REE
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TiO2/磁性铁氧化物/凹凸棒石光催化材料制备及性能研究
A Study on Preparation and Properties of TiO_2 / Magnetic Iron Oxide / Palygorskite Photocatalytic Materials
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~(13)CO2-CO同位素交换技术研究含铁氧化物熔渣表面CO2分解反应的动力学
Kinetics of CO_2 Dissociation on Surface of Molten Slag Containing Iron Oxide by ~ ( 13 ) CO_2-CO Isotope Exchange Technique
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CO还原固态铁氧化物的动力学研究
Kinetic study on reduction of solid wustite by CO gas
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不同pH下铁氧化物表面结合铁系统还原硝基苯的研究
Reduction of Nitrobenzene by Iron Oxides Bound Fe (ⅱ) System at Different pH Values
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酸性条件有利于铁氧化物对砷的吸附,随着pH增加吸附量减少。
Adsorption reduces with the pH increases .
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研究了用Fe(CO)5为前体物,在喷动流化反应器中对云母粉包覆铁氧化物制备铁系珠光颜料的新工艺。
Iron oxide-mica pearlescent pigment was prepared by Fe ( CO ) 5 in a spout-fluidized bed using MOCVD technique .
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扫描电镜研究(SEM)表明,Li:Fe比值不同,制备的锂铁氧化物电极表面形貌也不同。
SEM analysis showed electrode surface micrographics of lithium ferrite oxide with various Li : Fe values are different .
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铁氧化物-草酸系统光化学降解BPA的机理
Photochemical Mechanisms of Iron Oxides-Oxalate Suspensions System for BPA Degradation
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根据催化剂的基本性质,我们推测Fe(II)离子等对铁氧化物及羟基氧化物的形成及转化过程应该同样具有催化作用。
According to the character of catalysts , we guess that Fe ( II ) or other reductants can also catalyze the formation of iron oxides .
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锰氧化物对Zn的富集贡献最大,铁氧化物和其它组分的贡献比较接近。
The contributions of Mn oxides to Zn enrichment are higher , while the contributions of Fe oxides are close to the contributions of other components .
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铁氧化物对木材防腐剂CCA中重金属的去除研究
A study on adsorption removal of heavy metals from wood preservative CCA by hydrous iron oxides
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CO及CO-H2气体还原铁氧化物反应表观活化能的评估
Assessment of Apparent Activation Energies for Reducing Iron Oxides by CO and CO-H_2
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X射线衍射分析测量晶胞常数表明,铁氧化物晶格中渗入了杂质,促使铁晶须的生长,导致矿石还原时出现恶性膨胀。
The lattice cell constant determined by XRD indicates that such whiskers grow out owing to the impurities penetrating into the lattice of ferric oxides and , therefore , result in catastrophic swelling during ore reduction .
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综述了铁氧化物的不同制备方法,包括Fe(OH)2氧化法、缓慢或强制水解Fe3+盐溶液法、凝胶-溶胶法、水热法等方法。
Several different methods for iron oxide preparation , including the oxidization of Fe ( OH ) 2 , slow or forcible hydrolyzation of Fe3 + solution , gel-sol and hydro-thermal ones , etc. are presented .
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U的富集和释放能力与母岩U含量以及风化剖面中粘土矿物和铁氧化物/氢氧化物含量及吸附能力有关;
The ability of enrichment and release of U is partly controlled by content of U in bedrocks , contents and adsorption ability of clay minerals and Fe-oxides / hydroxides in weathering profiles .
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拉拉铁氧化物铜金钼稀土矿床Re-Os同位素年龄及其地质意义
Re-Os Dating of Molybdenite from Lala fe-oxide-cu-au-mo-ree deposit , southwest china : implications for ore genesis
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四川拉拉铁氧化物铜金矿床(IOCG)形成的矿相学证据
Lala Iron Oxide-Copper-Gold Deposit in Sichuan Province : Evidences from Mineralography
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不同阶段、不同层次CK2和E砂石胶膜微区中,以类似球形或板状结构所含铁氧化物或铁锰氧化物较高。
Both for CK and E micro-part at different stages and different layers , there was more iron and iron-manganese oxides in the ball and layer structure .
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本文对铁氧化物包覆云母&钛制得闪金色珠光颜料的制备方法进行了探讨,并对铁包覆量、温度、pH值,锻烧温度等影响产品性能的因素进行了讨论。
Here we discuss the method of preparation of golden pearl pigment by ferric oxide 's wrapping on titanium-mica , and also we research the quatity of ferric oxide , temperature , pH which in - fluence the quality of product .
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与单独臭氧氧化相比,加入铁氧化物反应20min时酸性红B的去除率提高7%,而相同条件下加入铁铜氧化物去除率提高24%。
When adding iron and Fe-Cu oxide for 20 min , the removal rate of acid red B increased by 7 % and 24 % , which compared with ozone alone .
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60min时单独臭氧氧化COD去除率为48%,而加入铁氧化物和铁铜氧化物的去除率分别提高至60%和70%。
After 60 min reation , the COD removal rate of adding iron and Fe-Cu oxide were 60 % and 70 % , while ozone alone was 48 % .
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铁氧化物含量明显高于上陆壳平均值;SiO2与(Fe2O3+Al2O3)线性负相关关系明显,显示红土化、强盐基淋失和脱硅富铝化特征。
Iron oxide is significantly higher than UCC ; there is a significantly negative linear correlation between SiO2 and ( Fe2O3 + Al2O3 ), which indicates strong base leaching and desilicification-allitization features .
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全球铁氧化物铜金型(IOCG)矿床的3类大陆动力学背景与成矿模式
Three types of continental geodynamics and metallogenic models for IOCG ( Iron-oxide Copper Gold Deposits ) from the global view
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在包覆TiO2的基础上,再包覆一层铁氧化物,获得的双包覆珠光颜料亮度更高,色泽更加丰富,色彩柔和,耐候性比单包覆层好;
Iron oxide film coated on TiO2 has been successfully carried out . The results showed that two-coated mica pearlescent pigment has higher luminance , more plentiful color , mellower colour and more weather resistance than one-coated pigment .
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采用N2低温吸附、CO和CO2化学吸附技术和活性试验研究了不同铁氧化物为母体的氨合成催化剂表面活性位与催化活性的关系。
The relationship of surface active site and turnover frequency versus activity for ammonia synthesis catalyst which were obtained from different iron oxide as precursor were investigated by means of a physisorption of N 2 and a chemisorption of CO and CO 2 and activity test .
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TG/DSC曲线表明了在Fe与N2O反应过程中CO的作用表现为通过与N2O在反应表面的竞争吸附使铁氧化物还原为金属铁,X射线衍射证明Fe与N2O反应后的氧化物为Fe2O3;
TG / DSC curves confirmed that the most of iron oxides produced by Fe N 2O reaction could be reduced to metallic iron in the presence of CO. XRD pattern revealed that the N 2O reacted with iron to yield Fe 2O 3 as the major product .
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结果表明,在连续淹水下,施用有机肥料,特别是厩肥,降低了土壤Eh,加剧了土壤的还原状态,同时也使土壤无定型态铁氧化物含量上升,对改善土壤物理环境效果也明显削弱;
Results indicated that under continuous flooding ( CLW ), organic manure , especially barnyard manure , decreased soil Eh and aggravated soil reduction process , which resulted in increase in amorphous Fe 2O 3.In addition , its effect on improving soil physical environment was also weakened significantly .
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在热力学计算的基础上,探讨了铁矿石在流化床内还原生产Fe3C的生成机理和途径·结果表明,700℃时铁氧化物还原符合逐级还原理论,碳化铁由生成的铁经CO渗碳得到;
Based on thermodynamic analysis , the production mechanism and path of iron carbide deoxidized from iron ore in fluid bed were studied . The results show that ( 1 ) ferric oxides are deoxidized according to the theory of Gradual Deoxidizing at 700 ?
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通过对加入12种不同金属氧化物助剂的铁氧化物催化剂进行TPR研究,以正态分布处理还原活化能分布,定量地分析了各种助剂对铁氧化物催化剂还原性质的影响。
Through the TPR investigation of 12 kinds of iron oxide catalysts with different metal oxide promoters , the reduction activation energy distributions were processed as the normal distribution . The results quantitatively reflect the influences of various promoters upon the reduction properties of the iron oxide catalyst .
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循环伏安曲线在-0.9V及-1.2V附近也依次出现了铁氧化物的还原电流平阶。
At the same time , the cyclic voltammetry curves also showed evidence to the deoxidizing of iron oxide in turn around a potential of - 0.9 V and - 1.2 V , respectively .