说明:双击或选中下面任意单词,将显示该词的音标、读音、翻译等;选中中文或多个词,将显示翻译。
您的位置:首页 -> 词典 -> 精铅
1)  refined lead
精铅
1.
In this peper,a comprehensive analysis on lead market both domestic and international is presented in view of market supply of lead concentrates,output/consumptions and LME price trend of refined lead,etc.
本文从铅精矿供应、精铅生产、消费以及LME价格走势等方面 ,对 2 0 0 2年国际、国内铅市场进行了全面分析 ,并对 2 0 0 3年的国际、国内铅市场的平衡做了预测。
2.
As a result our suggestions that domestic lead storage battery industry should widely make use of refined lead containing bismuth or lead alloy are presented on purpose to not only improve performances of lead storage batteries, but also greatly reduce produ.
建议我国铅电池工业应广泛使用含铋精铅和铅合金,这样不但可以提高我国铅酸蓄电池某些方面的性能,而且可以较大幅度地降低铅酸蓄电池的制造成本,增强我国加入WTO后面临的挑战能力。
2)  lead concentrate
铅精矿
1.
An experimental research on recovering gold from lead concentrate;
从含金铅精矿中回收金的试验研究
2.
Study on matter-element analysis method for evaluating lead concentrate;
基于物元分析的铅精矿质量评价方法研究
3.
A research on lead and strontium co-deposition chelatometric titration in lead concentrate
铅精矿中铅的铅锶共沉淀络合滴定法研究
3)  lead refining
铅精炼
4)  lead-antimony concentrate
铅锑精矿
1.
With unity stibnite concentrate and lead-antimony concentrate act as the raw material, sodium sulfide was used to leach antimony concentrate to form sodium thioantimonite solution, sodium pyroantimonate was precipitated by blasting air into the solution.
以单一的辉锑矿精矿和铅锑精矿为原料,通过硫化钠浸出锑精矿使锑形成硫代亚锑酸钠进入溶液,往溶液中鼓入空气,使锑生成焦锑酸钠产品。
5)  Lead concentrates
铅精矿
1.
Determination of Impurities in Lead Concentrates by ICP-AES;
ICP-AES法测定铅精矿中的杂质元素
2.
Research on the pricing method of lead concentrates import;
铅精矿进口定价方法研究
3.
Application of rotary steam tube dryer in drying of lead concentrates
蒸汽管回转干燥机在铅精矿干燥中的应用
6)  Lead?Zinc concentrations
铅、锌精矿
补充资料:铅-铅测年
分子式:
CAS号:

性质:238U和235U两个母体铀同位素的特性实质相同,所产生的放射性成因206,207Pb的方程可合并为(207Pb/206Pb)=[(235U/238U)](t-1)。235U/238U现在的比值是1/137.8,利用非放射性成因‘稳定’204Pb作为参考同位素,作(207Pb/204Pb)与(206Pb/204Pb)的Pb-Pb等时线,应用方程计算年龄,式中(207Pb/204Pb)和(206Pb/204Pb)0是初始比值。

说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条