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- separation of lead and copper 铜铅分离
- They are suited to measure the positive and negative pressure of gases and liquids which do not corrode copper and copper alloy and solder of lead and cause no explosion,and of those are neither crystallize nor solidy. 该系列仪表适用于测量无爆炸危险、不结晶、不凝固及对铜和铜合金不起腐蚀作用的液体、气体和蒸汽等介质的正负压力。
- a mixed concentrate of lead and copper 铜铅混合精矿
- Determination of Lead and Copper in Gear Oil by GFFAAS with Lanthanide Nitrate as Modifier 硝酸镧基体改进剂石墨炉原子吸收光谱法直接测定排档油中铅和铜
- Studies on Determination of Lead and Copper in Wine by Absolute Analysis with Graphite Furnace Atomic Absorption Spectrometry 石墨炉原子吸收绝对分析法测定葡萄酒中的铜、铅
- direct separation of lead and antimony from jamesonite by oxidizing volatilization roasting, with addition of one kind of catalyst; 本试验研究了一种新工艺,通过加入一种催化剂,对脆硫铅锑矿进行氧化挥发焙烧,实现铅锑的一步分离;
- Silver is often obtained as a byproduct during the separation of lead from rock. 从矿石中提取铅时，常可获得银这种副产品。
- Cadmium also consists in the industries as an inevitable by-product of zinc, lead and copper extraction. 工业生产中也会产生镉，提取锌、铅和铜的过程中必然会产生镉。
- An alloy composed of lead, tin, and zinc. 铅锡锌化合物由铅、锡和锌组成的一种合金
- The extraction and separation of uranium from lead and bismuthwith TBP-benzene was studied by radiotracer technique. 用放射性示踪法研究了TBP-苯体系对铀和铅、铋的萃取分离。
- An alloy of zinc and copper used as imitation gold. 铜锌合金作为仿金品使用的铜锌合金
- Separation of lead and zinc 铅辞分离
- The reserves of other 9 types,including lead and copper,constitute 30-50% of China's total,enjoying a comparative advantage. 铅矿、铜矿等9种矿产资源具有比较优势，储量占到全国的30－50%25。
- Objective To study the effect of lead, cadmium, calcium, zinc and copper on children's intelligence quotients (IQ) and to analyze their relationship. 摘要目的研究血铅、镉、钙、锌、铜5种元素对儿童智力的影响及其关联程度。
- True separation of code and markup. 代码和标记真正分离。
- The reserves of other 9 types, including lead and copper, constitute 30-50% of China's total, enjoying a comparative advantage. 铅矿、铜矿等9种矿产资源具有比较优势，储量占到全国的30－50%25。
- The manganese,lead and copper in distilled spirit were determined by inductively coupled plasma mass spectrometry (ICP MS) with standard additions. 在ICP-MS基础上用标准加入法对白酒中的锰、铅、铜进行了定量测定。
- Mould casting and copper work of art. 模具铸造,铜工艺品。
- All other metals and nonmetals lie within the boundaries of lead and diamond. 所有其他金属和非金属都处在铅和金刚石的界限之内。
- Brass is an alloy of zinc and copper. 黄铜是锌和铜组成的合金。
