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- Also during the Pb deposition, the Pb 6s band ELS peak appears as the Pb coverage is beyond 1 ML, while the Pb bulk plasmon peak appears at about 2 ML of Pb coverage. 当Pb的覆盖度大于1单层(ML)时,Pb的6s能带对应的电子能量损失峰开始出现,当Pb的覆盖度为3ML时,Pb的体等离激元的损失峰已相当明显。
- Content of 13 elements (As Cu Pb Zn Hg Cd ect. ) in all samples were measured by ICP-AES and spectrophotometer. EF and CMB receptor model is used to make source apportiontment of the dustfall. 用ICP-AES法和分光光度法测定样品中As、Hg、Cr、Cu、Pb、Zn、S、Cd、Co、Mn、Ni、Sr、Al等13种元素的含量;
- The Cu Pb clad samples were used to simulate the strands with liquid core and the deformation characteristics of the sample in the rolling process were investigated by visio plasticity(mesh)method. 用视塑性(网格)方法研究了铜复铅芯模拟样品轧制时的变形行为,与无铅芯的样品进行了比较,由此了解带液芯连铸坯轻压下时的变形特征。
- The scientific achievement for increasing Mo -grade of Cu-Mo bulk concentrate in Dexing Copper Mine and its application to production are presented. 介绍了德兴铜矿提高铜钼混合精矿用品位的几项科研成果以及在生产中应用情况。
- During the whole process of deposition and annealing, the ELS peak position and width of the Pb bulk plasmon peak, the 6s band peak as well as the Ni 3p band peak maintain their own pure metal values, and there was no new bulk plasmon peak. 在Pb的蒸镀过程及随后的整个退火过程中,Pb的体等离激元峰,6s能带峰和Ni的3p能带峰的峰位与峰宽均保持与纯金属相同的值,也没有出现新的体等离激元峰。
- F can promote the emission of Pb,Cd,Zn and Cu. 氟会促进Pb,Cd,Zn和Cu的逸放。
- STUDY OF EARLY PRECAMBRIAN Au Cu Pb Zn (Ag) ORE DEPOSITS FROM METAMORPHIC METALLOGENIC SERIRS IN LIAONING 辽宁早前寒武纪金、铜、铅、锌(银)矿床的变质成矿系列研究
- For a fixed ratio of N flux to the total flux of elements B and C,the flux ratio of element B to C has little influence on the total growth rate,but it determines deposition rate and bulk concentration of elements B and C. 在N流量与B和C流量和之比为定值时,B和C的流量比对此影响甚小,但B和C元素的生长率及它们在化合物中的含量则主要由B和C的流量比决定
- The effects of type and amount of initiator,comonomer ratio,bulk concentration of monomer, reactions temparature and time to polyreaction were studied.The optimum conditions were determined. 并研究了引发剂的类型和用量、单体配比、单体的总浓度、反应温度和反应时间等因素对聚合反应的影响,确定了聚合反应最佳合成条件。
- Study on Pressure Leaching of Low-grade Copper-Zinc Bulk Concentrate 低品位铜锌混合矿加压浸出研究
- Voltammetry in Microelectrolyzer with Remaining Oxygen for Determination of Trace Cu Pb Zn Fe of Microblood 微池留氧伏安法测定微量血中铜铅锌铁
- The chemical symbol for copper is "Cu". 铜的化学符号是Cu。
- Do they charge carriage by bulk? 他们是否按体积计算运费？
- Successive FAAS Determination of Micro-amounts of Cu Pb Co Ni in Electrolytic Manganese Dioxide FAAS法连续测定电解二氧化锰中微量铜铅钴镍
- In most markets you can buy fresh fruit in bulk. 在大多数市场上可买到散装新鲜水果。
- FLOATATION PRECONCENTRATION-FAAS SIMULTANEOUS DETERMINATION OF Cu Pb Cd AND Ag IN WATER 浮选富集-原子吸收光谱法同时测定水中铜铅镉银
- The bulk of the work has already been done. 大部分工作已经完成。
- It's too hot to concentrate on book. 热得不能集中心思看书。
- The elephant lowered its great bulk. 大象蹲下它庞大的身躯。
- I must concentrate my energies on decorating today. 我今天必须集中精力搞装饰。
