The reduction performances of both unreduced ZA-5 and pre-reduced ZA-5H ammonia catalyst with large particle size as used in industry were measured by thermogravimetry (NET-ZSCH STA 449C) .
采用热分析方法,研究了工业粒度ZA-5型氧化态和预还原态氨合成催化剂的还原性能,考察了还原温度、压力、空速、催化剂粒度、气体组成对还原速率和还原后催化剂活性的影响,提出了ZA-5催化剂的还原粒度效应及其工业还原过程中优化条件的基本原则。
TPR, hydrogen chemisorption, and oxygen titration were employed to study the influence of BaO on the reduction performance, Co dispersion and particle size of the Co/SiO_2 catalyst.
通过程序升温还原、氢化学吸附、氧滴定和催化活性评价等手段研究了氧化钡对Co/SiO2 的还原性能、钴分散度和颗粒度、分解甲烷活性及其稳定性等的影响 。
The effect of different original composition of iron oxide in the precursor on the reduction performance of ammonia synthesis catalyst was studied by thermal analysis.
采用Shimadzu DT-40型热分析仪,研究了不同原始铁氧化物组成对氨合成熔铁催化剂的还原性能的影响。
The structure of the catalysts has been investigated by XRD technique and the effect of thermal treatment on the reducibility of the catalysts by TPR technique.
用ＸＲＤ研究了不同Ａｇ含量催化剂的结构变化情况，利用程序升温还原技术（ＴＰＲ）考察了热处理温度对催化剂还原性能的影响。
the reducibility and meltability of different burden composition has been studied.
通过对湘钢现行各种炉料结构的熔滴性能和还原性能试验研究,表明湘钢合理的炉料结构是采用75%～80%的熟料率并配加15%～20%的高品位天然块矿。
The texture, microstructure and reducibility of the as-prepared solid solutions were examined by means of BET, XRD, HREM, SEAD and H2-TPR.
通过XRD,BET,H2-TPR,HREM以及SEAD等表征手段,研究了微观晶相结构对铈锆固溶体还原性能的影响规律,以及对固溶体储放氧能力的影响。
The effect of ZrO2 modification of γ-Al2O3, on the structure and the reduction property of CuO/γ-Al2O3 catalyst was investigated by XRD.
本文用ＸＲＤ、ＸＰＳ、ＴＰＲ和ＴＧ等技术研究了ＺｒＯ２的改性对ＣｕＯ／γ－Ａｌ２Ｏ３催化剂的结构及还原性能的影响。
Ce_xTh_(1-x)O_2 solid solutions were prepared by sol-gel method, and their structure and reduction properties were studied.
采用柠檬酸法制备了CexTh1-xO2固溶体,并对固溶体的结构和还原性能进行了表征。
The results indicate that the ratio of Ce/Zr affects the crystal strucure,reduction properties and thermal stability of samples.
结果表明,不同的Ce/Zr比对Nd修饰CexZr1-xO2固溶体的晶相结构,还原性能及高温热稳定性有重要的影响。
Experimental studies on reduction behavior of six different kinds of sintering iron-ore fines at home and abroad by thermogravimetry were carried out.
通过热重法对6种国内外不同烧结用铁矿粉的还原性能进行了试验研究,由铁矿粉的开始还原温度、还原温度区间和失重还原率确定了铁矿粉还原性能的好坏。
Optimizing immobilization of Fe~(2+) (EDTA)-NO reducing microorganisms and their reduction performance
Fe~(2+)(EDTA)-NO还原菌的固定化条件优化及还原性能
Study on Redox Performance of Complex Metal Oxides;
复合金属氧化物氧化还原性能的研究
Study on the Performance of Cu/Sepiolite Catalyst for the Selective Catalytic Reduction;
Cu/Sepiolite选择催化还原性能的研究
The Behaviors of NO_x Storage-reduction on Pt/Ba/TiCeO Catalyst;
Pt/Ba/TiCeO的NO_x储存-还原性能
SYNTHESIS AND REDUCTIVE PROPERTIES OF NEW Ni-Sn-Al LAYERED DOUBLE HYDROXIDES
新型镍锡铝水滑石的合成及还原性能
Effect of Magnesia Addition on Sinter Reducibility
添加MgO对烧结产物还原性能的影响
Study on the Cu-Ag/CeO_2-ZrO_2 catalyst for NO catalytic reduction
Ag/Cu/CeO_2-ZrO_2催化剂对NO还原性能的影响
Electrochemical Properties of Polypyrrole and Its Characterization on Heavy Metals Reduction;
聚吡咯的电化学性质及对重金属还原性能研究
Photocatalytic Redox Properties of Modified Nanocrystalline Titanium Dioxide;
改性纳米TiO_2光催化氧化还原性能的研究
Effects of Physical Properties on Reducibility of Carbon Composite Iron Ore Hot Briquette
物性因素对热压含碳球团还原性能的影响
Fluorite can improve low temperature breakdown property of sinter.
其中前者还改善了烧结矿的低温还原粉化性能。
Epitropic fibre has excellent resistance to reducing agents.
导电纤维具有卓越的抗还原剂性能。
Preparation and Performance of Manganese Oxides as Oxygen Reduction Catalyst;
锰氧化物氧还原催化剂的制备及性能
Preparation and Performance of New Electrocatalysts for Oxygen Reduction Reaction (ORR);
新型氧还原催化剂的制备及催化性能
Properties for Catalytic Reduction of NO_x over Iron Oxide;
铁系金属氧化物催化还原NO_x性能研究
Dyeing properties of PLA fabric with vat dyes
还原染料PLA纤维织物染色性能初探
Study on the Domestication and Desulphurization of the Sulfate-reducing Bacteria
硫酸盐还原菌的驯化及脱硫性能研究
Performance of LiFePO_4/C synthesized with humic acid as reductant
以腐殖酸为还原剂合成LiFePO_4/C的性能
