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1)  unleaded fuel
无铅燃油
2)  unleaded fuel
无铅燃料
3)  low lead fuel
低铅燃油
4)  leaded fuel
含铅燃油
5)  unleaded gasoline
无铅汽油
1.
Improvement on Determination of Lead in Unleaded Gasoline by MIBK-Glacial Acetic Acid System;
应用MIBK-冰醋酸体系改进无铅汽油中铅含量的测定
2.
A study on Burden of disease since the Application Unleaded gasoline in Shanghai;
无铅汽油推广使用以来儿童铅暴露对智力影响的疾病负担变化趋势分析研究
3.
ObjectiveTo explore the health effect of air pollution frommotor vehicle emission on school pupils after introduction of unleaded gasoline.
[结论]无铅汽油对于降低学生血铅有积极意义 ,但是无铅汽油并不是无害汽油 ,汽车尾气的治理仍然是任重道
6)  lead-free gasoline
无铅汽油
1.
Study on exhaust valve seat for lead-free gasoline 462Q engines;
462Q无铅汽油汽车发动机排气阀座圈的研究
2.
The forecasted and tested plumbum contents in TSP of the ambient air of the main traffic line after using lead-free gasoline show that after using lead-free gasoline, there is a great decline of plumbum content in TSP of the ambient air and a difference between the two results.
对长春市区主要交通干线环境空气 TSP中 Pb的含量进行测试 ,结果表明 ,无铅汽油使用后长春市区环境空气 TSP中 Pb的含量有了较大程度的下降 ,但测试结果与预测结果之间存在着一定差异 。
3.
After making comparisons through experimentation,it is proven that the material has excellent high temperature strength,high wear resistance,good corrosion resistance and thus is suitable for use in lead-free gasoline engine.
通过对比性实验 ,证明其具有优良的高温强度、耐磨性、耐蚀性 ,能满足无铅汽油发动机的要求。
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。

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