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- ICP-AES is employed to determine element content of Ca,Mg Al,Fe,Zn,Cu,Mn,Sr and P in Mallotus furetianus ,providing scientific evidence for the in-depth research. 采用ICP-AES法测定了海南山苦茶中钙、镁、铝、锌、铜、锰、锶和磷元素的含量,为对其深入研究提供了科学依据。
- The influences of electrolytes(NaCl?MgCl 2 and AlCl 3) and partially hydrolyzed polyacrylamide (PHPA) on the thixotropy of magnesium aluminum mixed metal hydroxide(Mg Al MMH) kaolinite suspension have been studied. 研究了 3种无机解质 (Na Cl、Mg Cl2 、Al Cl3)和 1种聚合物 (部分水解聚丙烯酰胺 ;PHPA)对 Mg-Al型混合金属氢氧化物 (MMH) -高岭土分散体系触变性的影响 .
- Al; Fe;化合; Fe 2 O 3 ; Fe 3 O 4 ; FeS 2 。 在高温下,使用还原剂,将铁从铁矿石中还原出来。
- Based on Al Cu Fe and Al Fe V Si alloys, the Al Fe Cu V Si Ni Ce Zr alloy has been prepared by the optimization design of chemical compositions. 以Al?Cu?Fe 和Al?Fe?V?Si 两个合金系为基础, 对合金成分进行了优化设计, 组成了Al?Fe?Cu?V?Si?Ni?Ce?Zr 合金。
- The ratios of Fe/Ti, (Fe+Mn)/Ti, Al/(Al+Fe+Mn) and U/Th, and Al Fe Mn and Fe Mn (Ni+Co+Cu) diagrams show that the siliceous rocks are the sedimentary rocks of hydrothermal origin. Fe/Ti、(Fe+Mn)/Ti、Al/(Al+Fe+Mn)、U/Th比值及Al?Fe?Mn、Fe?Mn?(Ni+Co+Cu)三角图均表明岩石为热水来源沉积岩。
- Differential Scanning Calorimetry (DSC) was used to study kinetic charateristics of transformation on quasicrystalline phases in a rapidly solidified Al Fe (Cr, Mo) Si alloy. 利用示差扫描量热仪(DSC)分析方法,研究了快凝Al?Fe?(Cr,Mo)?Si合金中准晶相的转变动力学特征。
- A rapid, accurate and economic XRFS method for the analysis of Si Al Fe alloy is described in this paper.The sample powder is directly pressed into discs and used in the analysis. 采用粉末样品直接压片法,通过基体校正等手段,建立了新型铁合金硅铝铁X射线荧光分析方法。
- Determination of solubility in nitric acid of plutonium in unirradiated mixed oxide fuel pellets (U,Pu)O2?? 未辐照的混合氧化燃料芯块 (U,pu)O2中的钚在硝酸中的可溶性测定??
- It is detailed that the densities, microstructures, and mechanical properties of the multi layer spray deposited Al Fe V Si pipe blank after being extruded, spun or rolled. 本文对多层喷射沉积耐热铝合金管坯经过挤压、旋压、轧制后的密度、显微结构及力学性能进行了检测和分析。
- The coating has two layers: a thin chromium coating covered by a chromium mixed oxide layer. 涂层有两个层次:一个薄铬涂层覆盖,铬混合氧化物层。
- On the basis of analysis of activated silicon and aluminum components,a new smelting process of Si Al Fe alloy by use of coal spoil for replace a part of bauxite was proposed. 通过分析煤矸石的活性硅、铝成分,提出了以煤矸石代替部分铝钒土冶炼硅铝铁合金。
- Reprocessing can potentially recover up to 95% of the remaining uranium and plutonium in spent nuclear fuel, putting it into new mixed oxide fuel. 再处理过程能够在燃烧核燃料时消耗大约95%25残留的铀和钚,形成新的氧化物核燃料。
- The TiO2/CeO2 mixed oxide powders are well-distributed and composed of rather uniform spherical nanoparticles with particle size about 10nm. TiO2/CeO2复合氧化物呈类球形颗粒形貌组成,且分布均匀,颗粒粒径约为10nm,并形成富Ti“核”、富Ce“壳”的结构。
- The effect mechanism of thermal history of the melt on the phase formation of the rapidly solidified Al Fe based alloys and the phenomenon of which the melt kinematic viscosity dur... 有效地解释了熔体热经历对快凝铝铁基合金中相形成的影响机制,以及长期以来不易理解的、加热过程中熔体的运动粘度比冷却过程中熔体的运动粘度为小的现象。
- In the aged CZO and CZYO mixed oxide systems, the adding of a little precious metal ( Pt, Pd, Rh ) increase the reduction speed and improve OSC obviously. 在高温老化的复合氧化物CZO和CZYO体系中,添加微量贵金属(Pt,Pd,Rh)明显提高还原速度并增加OSC。 含贵金属的CZO或CZYO的OSC与其组成和贵金属的种类有关。
- Mixed oxide FexTi550 revealed a very excellent activity in CO2-EBDH, the EB conversion and ST selectivity reached 39.8% and 98.0% respectively over Fe3Ti550 with the reaction condition T=823K, P=0.1MPa, W/F=40gcat-h/mol, CO2/EB=11. FexTi55O复合氧化物催化剂对COZ一EBDH反应具有非常高的活性,其中Fe3Ti55o在T=s23K,P=0.;IMPa,W/F=40geat·h/mol,COZ/EB=11的反应条件下,乙苯转化率和苯乙烯选择性分别39
- By using XPS,before and after the intoxication of mixed oxide catalysts,the various appearance and the composition. valence and chemical mechanism of the active component of catalysts were studied. 运用XPS分析方法研究一系列复合氧化物催化剂中毒前后硫在其表面的各种形态及催化剂活性组分中毒前后的组成、价态、化学机理及其变化。
- Backer M, Hammes MG, Valet M, et al. 董竟成、李、左传涛、管一晖、越军。
- mixed oxide fuel fabrication plant 混合氧化物燃料厂
- The EDX results indicated that the compositions of the coating were mainly compounds of Mg,Al,Mn,P,Ca and O. EDX试验结果证明转化膜主要由Mg、Al、Mn、P、Ca、O、K、Zn等元素组成.