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- The following results were obtained from experiments: (1) There exist Cu 2+ in the precursor of Cu Zn Al O catalyst. 结果表明：Cu?Zn?Al?O催化剂前驱体以Cu＋2形式存在；
- The oxidative dehydrogenation of butane to butadiene and butene over V Mg O catalyst was studied by using inert membrane reactor (IMR) and conventional fixed bed reactor (FBR). 采用惰性膜反应器 (IMR)和固定床反应器 (FBR)研究了V Mg O催化剂上丁烷氧化脱氢制丁二烯和丁烯的反应。
- The influences of preparation method, the calcined temperature and auxiliary forming reagent on the activity of the Fe Mo Co O catalyst for oxidation of methylal to formaldehyde were studied. 考察了制备方法、焙烧温度和成型助剂对甲缩醛氧化制甲醛铁钼钴三元催化剂活性的影响。
- 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 active component characteristics of the V Cr O catalysts were investigated by means of SEM XRAS, XPS, and TPR. 采用显微能谱 (SEM XRAS)和X 射线光电子能谱 (XPS)方法分析了V Cr O催化剂表面活性组分的组成及状态 ,并用程序升温还原 (TPR)方法考察了催化剂活性组分的还原特征。
- Keywords Cu（Zr）Alloy Films;Thermal Stability;Microstructure;Twins;Electromigration;Seed layer; 合金薄膜;热稳定性;微观结构;孪晶;电迁移;籽晶层;
- The chemical symbol for copper is "Cu". 铜的化学符号是Cu。
- Keywords methylal;formaldehyde;Fe Mo Co O catalyst;oxidation of methylal; 甲缩醛;甲醛;铁钼钴三元催化剂;甲缩醛氧化;
- Fe P O catalysts were prepared by both the coprecipitation and sol gel methods. The compositions, structures and the chemisorption of ethane on the surface of Fe P O catalysts were investigated by DTA TG, TEM, XRD, BET, IR and TPR techniques. 用共沉淀法和溶胶 -凝胶法制备了 Fe-P-O催化剂 ;用 DTA-TG、TEM、XRD、IR和 TPR等方法对微粒组成、结构进行了表征 .
- The three way catalysts promoters (Ce Zr)O 2, (Pr Ce Zr)O 2 and (Pr Zr)O 2 were prepared by sol gel method with some special procedures. They were characterized by XRD, EXAFS and BET surface area determination. 采用溶胶 凝胶法制备了三效催化剂助剂 (Ce Zr)O2 ,(Pr Ce Zr)O2 和 (Pr Zr)O2 ,并对它们进行了XRD ,EXAFS和BET比表面的测定。
- Closing time at this pub is eleven o' clock. 这酒馆的打烊时间是十一点。
- We've got the OK from the council at last. 我们终於获得了委员会的同意。
- The activity of catalyst depends on the loading amount of Cu. 催化剂中Cu的担载量是影响催化剂的活性的一个重要因素，在0-4.;35%25的范围内，伴随着担载量的增加，吲哚的选择率同步增加。
- The offer of a new job provided just the catalyst she needed. 这份新工作正是她所需要转变的契机。
- The child's mouth formed a big O in surprise. 那孩子惊奇得张著嘴像个大O字。
- Ceño 塞尼奥
- Americans and Russians joined together at a memorial servi ce i n M o scow. 秘书长安南说，这些袭击让我们认识到其本质是对人类自身的伤害。
- During milling process supersolidus solution between Cu and Zr and intermetallic compound were formed. 高能球磨形成了锆置换固溶于铜的过饱和固溶体和金属间化合物。
- Our products had got CE certificate. 我公司儿童显微镜、文望远镜均获得欧洲ce安全认证证书。
- I watch the HLM ZR and feel very fretty. 我看了“红楼梦”的选秀，但感到非常焦虑。
