Study on a Lead-leaching Technique of Brass Components;
铅黄铜零部件表面除铅处理
A sort of lead-leaching solution used for cleaning out the lead at the surface of lead-brass components in potable water system has been developed successfully.
研制了一种用于饮用水系统黄铜零件表面除铅的除铅溶液,并开发了与之相关的黄铜零件表面除铅工艺。
The importance of lead removal of propolis,the sources of lead in propolis and the solutions to reduce lead content in propolis were introduced.
简述了蜂胶除铅的重要性、蜂胶中铅的来源和降低蜂胶铅含量的方法。
ASSAY OF THE LEVELS OF LEAD,COFFER ANDZINC IN THE BLOODFROM PERSONS EXPOSED PROFESSIONALLYTOTETREATHYL LEAD
四乙基铅接触者血中铅铜锌含量的测定
"But gold and silver and brass and iron and tin and lead,"
金，银，铜，铁，锡，铅，
Leaded brass strips for special purpose
GB/T11089-1989专用铅黄铜带
filled gold
镀金的金属(铜、铁、铅等)
Chinese art metal
中国工艺品用铅锡黄铜
Leaded brass bar for making needle seat of syringe
GB/T4428-1984铅黄铜针座棒
Tin-zinc-lead-bronze sheets
GB/T2049-1980锡锌铅青铜板
Tin-zinc-lead-bronze strips
GB/T2067-1980锡锌铅青铜带
Engravers brass
恩格雷弗斯含铅黄铜
Natural Resources: Coal, gold, tungsten, lead, copper. uranium.
自然资源：煤、金、钨、铅、铜、铀。
Experimental Research on Copper-lead Flotation Separation of a Cu-Pb-Zn Sulfide Ore in Yunnan
云南某铜铅锌硫化矿铜铅分离浮选试验研究
Determination of Copper,Nickel,Lead,Zinc and Cobalt in Copper-Nickel Ore and Lead-Zinc Ore by Inductively Coupled Plasma Atomic Emission Spectrometry
ICP-AES法测定铜镍矿、铅锌矿中铜、镍、铅、锌、钴
Brass, copper, stainless steel, bismuth, and lead are all suitable.
黄铜、铜、不锈钢、铋及铅都是适合的。
What bronze uses is not brass,but red copper and the alloy of plumbum and stannic.
青铜所用的不是黄铜，是红铜和铅、锡的合金。
373 Copper, zinc, lead, aluminium, bronze and brass are nonferrous metals or alloys.
铜、锌、铅、铝、青铜和黄铜都是有色金属或合金。
Intricate Cu, Pb and Zn sulphide ore is difficult to be separated by flotation, because Cu, Pb and Zn minerals is very close and the side of these minerals in ting.
某铜铅锌硫化矿,铜铅锌共生关系密切,且铅锌矿物嵌布粒度细小,铅锌矿物分离难度大。
Abundant Concentration of Lead on the Sample of Bronze drum in Viet Nam and Survey for Lead isotopic
越南铜鼓样品铅的富集与铅同位素测定
Research on Copper Water Jacket of Lead Tapping Port for Top-blown Lead Smelting Furnace with Oxygen Enrichment
富氧顶吹炼铅炉放铅口铜水套的使用研究