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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；
- Artifical Neural Netork have been used to determine simultaneously the three speciations of Cu、Zn、Fe、Mn in geochemsitry samples. 人工神经网络算法用于化探样品中铁、铜、锌、猛的三种形态分析。
- When you use the CU、Zn version of the materials, cards and membership cards to make gold and silver ink because of the Panel, which is prone to oxidation behavior by planeness, gloss differential. 当搁置铜、锌版质料制卡和会员卡制作金、银不朱时，由于版背便当呈现氧化本体而使其裂缝度、光华度不不对。
- 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。
- The changes of Mn Cu Zn levels in RBC of welding workers 电焊作业人员红细胞内锰铜锌含量的变化
- SUCCESSIVE FAAS DETERMINATION OF Cu Zn Fe AND Mn IN PAPAYA 火焰原子吸收光谱法连续测定番木瓜中铜锌铁锰
- 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 Zn deposit;ore control feature;prespecting criterion;Qingyuan area; 铜锌矿床;控矿特征;找矿标志;辽宁清原;
- The activity interaction parameters between Ce and Sn or Me in Sn-Ce-Me ternary alloy systems(Me=Pb,Bi,Zn,Sb,Ag,Cu,Cd)are calculated and analyzed by means of Chou model. 采用周模型计算分析了Sn-Ce-Me(Me=Pb、Bi、Zn、Sb、Ag、Cu、Cd)三元合金系中,Ce与Sn以及Ce与Me之间的活度相互作用系数。
- F can promote the emission of Pb,Cd,Zn and Cu. 氟会促进Pb,Cd,Zn和Cu的逸放。
- Cu,Fe and Zn have no obvious relevance to age. 血铜、铁、锌含量不存在显著年龄相关性。
- 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 .
- As Sb NaOH Sc,W-NH3 Ce Rb Yb,As NAl2O3 Kr-W-At,Cf Zn Mg lr Sb-NH3! 砷锑碱钪，钨-氨铈铷镱，砷氮玉氪-钨-砹，锎锌镁铱锑-氨
- The chemical symbol for copper is "Cu". 铜的化学符号是Cu。
- 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。
- However there are only four major groups in young growth generation, hydrogenetic (Mn, Co, Ni), rare earth elements (except Ce), carbonate fluorapalite (CaCO_3, P_2O_5), biogenic (Zn, Cu) groups. 稀土元素(Ce除外); (3)磷灰石组分(CaCO_3、P_2O_5);
- Analysis of Cu,Zn,Se Content and Cu Zn Ratio in the Blood of Patients with Mammary Cancer 乳腺癌患者血中铜、锌、硒含量及铜锌比值分析
