1)trace lead痕量铅
1.Determination of trace lead in water by graphite furnac e atomic absorption;石墨炉原子吸收法测水中痕量铅
2.Determination of trace lead in crude oils by trioctylamine extraction-spectrophotometry;正三辛胺萃取-分光光度法测定原油中的痕量铅
3.Determination of Trace Lead in Mongolian Medicine by Spectrophotometry;分光光度法测定蒙药中痕量铅
英文短句/例句
1.Determination of Trace Lead in Water by Anodic Stripping Voltammetry with Thin Film Silver-Mercury Electrode用银汞膜电极阳极溶出伏安法测定水中痕量铅
2.Determination of Trace Amounts of Pb in Water by Hydride Generation-aas氢化物原子吸收光谱法测定水体中痕量铅
3.DETERMINATION OF TRACE LEAD AND CADMIUM IN WASTEWATER BY EXTRACTION CHROMATOGRAPHY--AAS萃取色层-原子吸收法测定废水中痕量铅和镉
4.Study on the Color Reaction of Lead (Ⅱ)with TPP;四-(4-苯基)卟啉分光光度法测定痕量铅的研究
5.Determination of Trace Pb in Water Samples by Spectrophotometry after Cloud Point Extraction浊点萃取-分光光度法测定水样中痕量铅
6.Study on detection of trace plumbum(Ⅱ) in water by two-water phase gas floatation spectrophotometry双水相气浮浮选光度法测定水中痕量铅的研究
7.Determination of trace lead in gynostemma pentaphyllum by hydride generation-atomic fluorescence spectrometry氢化物发生-原子荧光法测定绞股蓝中痕量铅
8.Determination of lead in flour by constant temperature digestion atom fluorescence spectrometer恒温消化原子荧光法测定面粉中的痕量铅
9.Determination of Trace Lead in Carbonated Beverage by Graphite Furnace Atomic Absorption Spectrophotometry石墨炉原子吸收法测定碳酸饮料中的痕量铅
10.Testing minimum trace lead content in antiseptic via FAAS after extraction萃取富集原子吸收法测食品防腐剂中的痕量铅含量
11.Determination of Lead in Sweet Potato Noodles Using GFAAS石墨炉原子吸收光谱法测定红薯粉丝中的痕量铅含量
12.Determination of trace lead in environmental water samples by Zeeman effect of graphite furnace atomic absorption spectrophotometry塞曼石墨炉原子吸收法测定环境水样中的痕量铅
13.Determination of Trace Pb in Salt and Water Samples by Flame AAS after Enrichment with Xanthate Cotton黄原酯棉富集-火焰原子吸收法测定盐和水样中的痕量铅
14.Study on determination of trace lead in saline cod by hydride generation-atomic fluorescence spectrometry氢化物-原子荧光法测定盐渍鳕鱼中痕量铅的研究
15.Hydride generated AFS determination of trace lead in natural water after sulfhydryl cotton preconcentration巯基棉富集一氢化物原子荧光光谱法测定天然水中痕量铅
16.Study on the Reaction Mechanism of Trace Element Pb in the Coal Combustion Process;煤燃烧过程中痕量元素铅的反应机理研究
17.Determination of trace As and Pb in pig iron with Zee-Man graphite furnace atomic absorption spectrophotometerZee-Man石墨炉原子吸收法测定生铁中痕量砷和铅
18.Determination of Cu,Zn,Pb,Cd and Ni in muddy soil by ICP-AESICP-AES法测定污泥中痕量杂质元素铜、锌、铅、镉、镍
相关短句/例句
determination of trace lead痕量铅测定
3)Trace Pb and Cd痕量铅和镉
4)The trace lead and nickel痕量铅和镍
5)Trace lead in Tea茶叶中痕量铅元素
6)trace[英][tre?s][美][tres]痕量
1.Recent Progress of Inorganic Trace Analysis by Mass Spectrometry;质谱的无机痕量分析进展
2.Determination of Trace Phosphine by Gas Chromatography;气相色谱-氮磷检测器分析痕量磷化氢
3.Determination of ultratrace plumbum by catalytic spectrophotometry;催化光度法测定超痕量铅
延伸阅读
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。
