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- Keywords Thermodynamic analysis;Decoppering in lead bullion;Pyro-refining;PbS; 热力学分析;粗铅除铜;火法精炼;硫化铅;
- Decoppering in lead bullion 粗铅除铜
- Determination of Pb in Lead Bullion by Sulphate Precipitation Separation Method 硫酸盐沉淀分离法测定粗铅中的铅含量
- The impact of sulphur overcharge percentage,heating temperature and heating time on percent formation of PbS are studied,and the PbS overcharge percentage,heating time and agitation time for decoppering from lead bullion are investigated too. 在本实验中;对硫加入过量率、加热温度、加热时间等制备PbS的工艺条件进行了研究;并确定了加PbS除铜工艺的最佳硫化铅用量;最佳搅拌时间等技术条件.
- I wish he'd been soldered in lead. 不是靠林惇那边,滚他的!我愿把他用铅焊住。
- Keywords lead bullion;pyro-refining;PbS;decoppering; 粗铅;火法精炼;硫化铅;除铜;
- Your next BEST choice in Lead Free capable reflow oven. 您的下一个最佳的无铅回流焊炉的选择一定是保乐。
- Sound travels nearly three times faster in copper than in lead. 声音在铜中传播的速度几乎是铅中的三倍。
- FAAS is applied to the determination of Ag Fe Cu in lead ingots. 采用空气乙炔火焰原子吸收光谱法测定电解铅中银、、。
- Britannia Refined Metals Ltd. was built in 1931 to refine the lead bullion produced at the Mt.Isa mine in Queensland,Australia. 不列颠精炼金属公司建于1931年,精炼产于澳大利亚昆士兰州芒特·艾萨的粗铅。
- We aim to become a world leader in LED lighting. 致力成为LED照明之世界领导厂商。
- Determination of Au and Ag of lead bullion containing high grade gold and silver by the analysis of AB samples was introduced,and it's advantage over conventional method was proved by the facts. 详细介绍了对高金银含量粗铅的非常规检验方法即AB样检测法的实践及其效果,用事实验证了AB样检测法较之常规检验方法的优越性。
- He was no longer in leading strings to his wife's father. 他不再受他岳父的管束了。
- Study on the Application of a New Decoppering Technique in Refining of Lead Bullion 一种除铜新工艺在粗铅精炼中应用研究
- Depict a situation where you were successful in leading a team. 描绘一件你如何成功地领导一个工作小组的经历。
- The thieves stole 1000000 in gold bullion. 窃贼偷去价值1000000英镑的金条。
- The horse forged ahead the lead in the homestretch. 那匹马在最后阶段突然加速跑到前面。
- Then bismuth in lead anode mud was determined by EDTA complexometric titration. 王水溶样,氢溴酸除锡,直接用EDTA容量法测定铅阳极泥中高含量的铋。
- Shirley will try out for the lead in the play. 雪莉将参加该剧主角的选拔演出。
- The wind was whispering in the trees. 一阵风穿过树林沙沙作响。