Influence of Alkaline Earth Metals on Cobalt-Cerium Composite Oxide Catalysts for N_2O Decomposition 碱土金属对钴铈复合氧化物催化剂催化N2O分解的影响
Investigation on Application of Rare and Alkaline Earth Metals in Hot-Dip Galvanizing Alloys 稀土和碱土在热镀合金中应用的研究
The results of determining the alkaline and alkaline earth metals in the treated gasoline showed there was no loss of metals from the catalysts. 对脱砷-加氢-脱氯汽油中碱金属和碱土金属的测定结果表明,不存在催化剂的金属流失问题。
The promoters such as, alkali metal oxides, alkaline earth metal oxides and transition metals were doped into Cu/ SiO2 catalyst by separate-step impregnation method and the effects of different promoters on the performance of Cu/ SiO2 catalyst were investigated. 采用分步浸渍法分别向Cu/SiO2催化剂中加入碱性助剂及过渡金属助剂,考察各种助剂对催化剂活性、选择性及稳定性的影响。
A new eluent used for determining alkaline earth metals by ion chromatography& beryllium nitrate-nitric acid solution is suggested. 本文提出一种新颖的用于碱土金属离子色谱法测定的淋洗液硝酸铍硝酸溶液。
The Crystal Structures and Thermal Stability of the Complexes of 2-Oxo-propionic acid ( 4-pyridinecarbonyl) hydrazone with Alkaline Earth Metals 2-羰基丙酸(4-吡啶甲酰基)腙与碱土金属配合物的晶体结构及热稳定性
In a series of reactions, the concentration of H~+, CO_2 and H_4SiO_4, and especially the content of alkali and alkaline earth metals controls the reaction process and determines the type of solid phase weathering products. 在一系列反应中,氢离子、CO2、和H4SiO4浓度,尤其是碱性和碱土金属含量控制着反应过程和固相风化产物的类型。
Fluorimetric Studies on Complexes of Tetracycline Antibiotics Degradation Products with Alkaline Earth Metals 四环素类抗菌素碱性降解物与碱土金属螯合物的荧光研究
Photoluminescence Study of Eu~ ( 2+) Ion in Alkaline Earth Metals and Rare-Earth Niobates Eu~(2+)离子在碱土金属和稀土铌酸盐中的光致发光研究
Doping Effect of Alkaline Earth Metals Ba, Ca and Mg on Molybdenum 碱土金属元素Ba、Ca、Mg对钼的掺杂效应
Researches on the thermal decomposition reactions of hydroxide of alkaline earth metals for storage of solar energy 碱土金属氢氧化物热分解反应贮存太阳能的研究
In this paper, we report that a sites in tungsten bronze niobate were filled with ions of alkali alkaline earth, first transition group metals and rare earth metals which make them into full filled structure of a sites. 以碱金属,碱土金属,第一过渡族金属和稀土金属离子混合填无钨青铜铌酸盐的A位,使之构成A位充满型结构。
Research on DSC of the low temperature storage materials of hydrate of alkaline earth metals 碱土金属水合氯化物低温蓄热材料的DSC研究
But the fact that the excess bariums are responsible for electron emission may be reconciled with the deficiency of alkaline earth metals during life by the dynamical surface emission center model. 然而超额钡仍然是发射电子的泉源,可以通过动态表面发射中心模型而与寿命中碱土金属下降统一起来。
The pyrolysis and gasification are two main methods of biomass thermo-chemical utilization. The alkali and alkaline earth metals ( AAEMs) play an important role during the utilization of biomass which are rich in AAEMs. 生物质的热解和气化是重要的热化学利用方式,而碱/碱土金属作为生物质内富含的元素,对其热利用过程产生了较大的影响。
The fluorescent and colorimetric identification of sensors A-F for the common alkali metals, alkaline earth metals, transition metals and heavy metals were tested, it was found that this type of sensors has a good selective recognition ability for Fe+. 通过探针A-F对常见的碱金属,碱土金属,过渡金属及重金属的荧光和比色识别实验发现,这一类探针对Fe3+具有优异的特定选择性识别能力。
The impact of mixing ratio, alkali metals and alkaline earth metals on the ash melting temperature were discussed. 探讨了混合比例以及碱金属和碱土金属等因素对灰熔融温度的影响规律。