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high specific area
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  高比表面积
     A series of Ni-Fe oxides with high specific area and Ce0.8Sm0.2O1.9(SDC) electrolyte were prepared using the nitrate-citric acid method. On the basis of Ni-Fe oxides and Ce0.8Sm0.2O1.9 electrolyte, Ni-Fe/SDC composite anode materials were prepared. Meanwhile, their microstructure and other performance-related parameters were also tested.
     采用硝酸盐-柠檬酸法合成了具有高比表面积的一系列Ni-Fe氧化物和电解质Ce0.8Sm0.2O1.9(SDC),利用上述材料制备出固体氧化物燃料电池(SOFC)复合阳极材料Ni-Fe/SDC,并对其微结构和相关性能进行测试.
短句来源
     Wollastonite reacts with hydrochloric to produce high specific area porous SiO 2 under the conditions of pH≤5,PEG and NH-4Cl as additive. The pH value is 4 after the reaction.
     硅灰石与盐酸反应合成高比表面积多孔SiO2 条件为pH值≤ 1.5 ,添加剂为聚乙二醇和NH4Cl,反应后体系中和到pH =4.0 ,经固液分离 ,烘干 ,6 5 0~ 75 0℃灼烧 2h得产物。
短句来源
     In as far as preparing high specific area active carbon,the fitting pretreatment condition listed as follows:to thermal polymerization pretreatment process,constant temperature 4 h-6 h under 450 ℃,volatile matter content is about 16.7%-26.4%;
     根据变化规律 ,可从中找出制备高比表面积活性炭适宜的工艺条件 :对热聚合方法预处理条件为 45 0℃恒温 4h~ 6h,挥发分 1 6.7%~ 2 6.4% .
短句来源
     Experimental study on metal gauze corrugated packing with high specific area
     高比表面积金属丝网波纹填料的实验研究
短句来源
     Development of Water Treatment Ceramisites Fillerwith High Specific Area
     高比表面积水处理陶粒填料的研制
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  高比表面
     TPR study on doped CeO_2 nano powders with a high specific area
     高比表面掺杂CeO_2纳米粉体的TPR研究
短句来源
     Preparation and application of high specific area silicon carbide
     高比表面碳化硅的制备与应用
短句来源
     High specific area activated carbon was successfully made from waste foam polystyrene (WFPS) through sulfonation-charing, and then activation by KOH or H_3PO_4.The activated agent of different kinds and its ration, the activated temperature, the activated time;
     本文以废弃聚苯乙烯泡沫(waste foam polystyrene,缩写为WFPS)为原料,通过磺化、炭化,最后分别采用KOH、H_3PO_4活化法成功制备了高比表面活性炭(High Surface Area Activated Carbon,缩写为HSAAC)。
短句来源
     matter A model has specific area of 50.57g/m~2 and, matter B model 70.59g/m~2.Except the physical adsorption effect to gas, to large extent, Special property and high specific area of porous calcium phosphate is up to its self property.
     A型多孔磷酸钙的比表面积为50.57m~2/g,B型多孔磷酸钙的比表面积为70.59m~2/g。 多孔磷酸钙的特殊性能及高比表面的特点,对气体进行吸附时除表面物理吸附作用之外,很大程度是多孔磷酸钙自身的性质所决定。
短句来源
  “high specific area”译为未确定词的双语例句
     The results showed that Ce0.35Zr0.55La0.10O1.95 had a cubic structure similar to Ce0.50Zr0.50O2 and high specific area after calcined at 600 ℃ for 5 h.
     XRD和BET的结果表明,经600℃焙烧5h后,Ce0.35Zr0.55La0.10O1.95具有与Ce0.50Zr0.50O2相似的立方结构和高的比表面积;
短句来源
     The results indicated as follows: the specimens have high specific area, up to 681.5 m2/g at 10TiSi. Ti-Si composite materials are mixed at atomic scale, and Ti-O-Si bond appears in all of the samples with different TiO2 content;
     结果表明:制得的Ti-Si复合氧化物具有很高的比表面积,在TiO_2含量为10%时达到681.5m~2/g,Ti原子进入Si-O四面体结构中,形成Si-O-Ti键,复合氧化物的稳定性好,当TiO_2含量低于60 wt%时,以无定型形式存在;
短句来源
     Nano/microporous films prepared from nanocrystalline TiO 2 particles have some advantages such as high specific area and good permeability, and were successfully used as substrate for the immobilization of β-cyclodextrin onto the surface of quartz crystal.
     TiO2 纳米粒形成的纳微多孔膜具有比表面积高、透性好的特点。 采用TiO2 纳微多孔膜作为基体 ,可将β 环糊精有效地固定在石英微天平表面 ,与聚苯乙烯包裹 β 环糊精的涂层相比 ,检测对硝基酚的灵敏度提高了 1 2倍。
短句来源
     Study on the High Specific Area Silicon Carbide Used as Catalyst Supports
     将碳化硅用于催化剂载体的研究进展
短句来源
     Preparation of High Specific Area Actived Carbon from High Sulphur Occurring Coal
     高硫煤基高比表面积活性炭的制备
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  high specific area
These sphere shells are promising candidates for hydrodesulphurization catalyst due to their high specific area and chemical resistance to sulfur.
      
New alternatives for high specific area γ-Al2O3 synthesis
      
HILDA is also used to follow the changes in the adsorptive energy distribution that occur with annealing a high specific area sodium chloride sample.
      
Interfacial phenomena were assumed to be noticeable owing to the high specific area of this filler.
      
A nano-alumina with high specific area was prepared using a homogeneous precipitation method with titanium dioxide and barium oxide as modifying additives.
      
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he cathodic reduction of oxygen is studied on Pt--Fe-Co alloy distributed in the form of small particles on carbon black with a high specific area. Comparing with Pt/C catalyst, the catalytic activity and stability of Pt--Fe--Co/C catalysts are greatly enhanced for O, reduction.The cathodic polarization of O, reduction on Pt--Fe--Co/C is 20 to 40 mV below the conventional catalyst Pt/C. The retention of specific surfacearea of Pt on Pt-Fe--Co/C is 20% higher than on Pt/C after...

he cathodic reduction of oxygen is studied on Pt--Fe-Co alloy distributed in the form of small particles on carbon black with a high specific area. Comparing with Pt/C catalyst, the catalytic activity and stability of Pt--Fe--Co/C catalysts are greatly enhanced for O, reduction.The cathodic polarization of O, reduction on Pt--Fe--Co/C is 20 to 40 mV below the conventional catalyst Pt/C. The retention of specific surfacearea of Pt on Pt-Fe--Co/C is 20% higher than on Pt/C after an accelerated aging test. The anchoring of Pt on carbon surface by Fe and Co is thought to play a main role for the improvement of Pt--Fe--Co/C performance.

氧在Pt-Fe-Co/C合金催化剂上的还原魏子栋,郭鹤桐,唐致远(山东工业大学化工系,济南250014)(天津大学应用化学系,天津300072)关键词燃料电池,铂-铁-钴催化剂,电化学催化,氧还原尽管评价燃料电池运行效率的指标很多,但其中最重要的是阴...

High specific area dimolybdenum nitride(up to 140 m2/g) has been synthesized by temperatureprogrammed topotactic reaction between MoO3 and NH3.The synthetic conditions of high surface area Mo nitride(usually,SBET>100 m2/g) were quite difficult and the amount of starting material MoO3 in each batch was much less than one gram.However,some synthetic conditions have been greatly improved in our experimets.Heating rate of the reaction segment was increased from the original 0.6 K/min to 1 K/min.Space...

High specific area dimolybdenum nitride(up to 140 m2/g) has been synthesized by temperatureprogrammed topotactic reaction between MoO3 and NH3.The synthetic conditions of high surface area Mo nitride(usually,SBET>100 m2/g) were quite difficult and the amount of starting material MoO3 in each batch was much less than one gram.However,some synthetic conditions have been greatly improved in our experimets.Heating rate of the reaction segment was increased from the original 0.6 K/min to 1 K/min.Space velocity of NH3 was only one-tenth of that in the reported methods and the amount of precursor MoO3 approached 3 grams.It was revealed that space velocity of ammonia,elevated temperature rate and particle size of MoO3 were very important for producing high surfaceγ-Mo2N.The XRD result indicated that(200) plane of high surface area γ-Mo2N was more intense than that of low surface area γ-Mo2N.The intensities ratio of(200)/(111) was larger than 2.4 for the highest surface area γ-Mo2N(Mo2N-1).There was a regular change between surface area and pore diameter distribution.The percentage of micropore volume in the range of 2-3 nm was graduallyincreased with increasing of surface area.At the same time, the nitriding process of MoO3 was studied and it was found that MoO3 was essentially transformed into γ-Mo2N at 773 K.This temperature for the synthesis of high surface area γ-Mo2N was 200 K lower than that reported in the literature.

通过程序升温控制的MoO3与NH3的Topotactic反应,合成出钝化后比表面达140m2/g的γ-Mo2N。研究发现NH3空速、升温速率、前身态MoO3粒度等对高比表面γ-Mo2N的形成影响很大。γ-Mo2N的比表面与孔径分布呈一定的规律性变化。XRD测试结果表明高比表面γ-Mo2N与低比表面γ-Mo2N的衍射峰强度有很大差异。同时文中对MoO3的氮化过程进行了探讨,结果表明MoO3在773K时已生成高比表面的γ-Mo2N,比文献报道的合成温度低200K左右.

A series of porous adsorbents with high specific area were synthesized by Friedel - Crafts alkylation of chloromethylated polystyrene with aromatic hydrocarbons. The research results showed that specific surface area was obviously influenced by reaction conditions including the used hydrocarbon and solvent. This kind of polymeric adsorbents could adsorb phenol with high capacity.

氯甲基聚苯乙烯与苯或芳烃发生Friedel—Crafts反应,制得了一系列具有高比表面积的吸附树脂,结果表明,后交联反应时,所加芳烃及溶剂对树脂的比表面积有很大的影响,这类树脂对水溶液中苯酚具有较大的吸附量。

 
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