A major outbreak of lead poisoning in children has been occurring in Zamfara State, Nigeria since at least March 2010, related to the processing of lead-rich ore for the extraction of gold.
至少自2010年3月以来，尼日利亚扎姆法拉州就出现了儿童铅中毒大暴发，这与从含铅丰富的矿石中提取黄金有关。
After extraction separation of gold by MIBK, lead, copper, iron, nickel in gold plating bath were determined by inductively coupled plasma-atomic emission spectrometry (ICP-AES).
研究了甲基异丁基酮(MIBK)萃取分离金，用电感耦合等离子体原子发射光谱法(ICP AES)测定镀金液中杂质元素的新方法。
Extraction of lead from sulfide concentrates by hydrometallurgical routes is a potentially attractive method.
通过湿法冶金途径从硫化铅精矿中提取铅，是颇具吸引力的方法。
The main process of producing indium in China is leaching-extraction-replacement, which is adopted to reclaim indium from lead and zinc metallurgical byproducts.
指出目前国内生产铟的主要方法是采用浸出—萃取—置换工艺回收铅、冶炼副产品中的金属铟。
An on line extraction flow injection method was developed for the determination of trace lead in nickel sulfate electrolyte using flame atomic absorption spectrometer as the detector.
本文采用流动注射在线萃取火焰原子吸收光谱法测定硫酸镍电解液中微量铅。
Trace lead in baked food is determined by air-acetylene flame atomic absorption spectrometry (FAAS) with APDC-DDTC-MIBK as the extraction and preconcentration system after cineration process.
烘焙食品试样经灰化处理后，用APDC DDTC MIBK体系萃取富集试液中的铅，利用空气乙炔火焰原子吸收法测定烘焙食品样品中铅的含量。
In the extraction of components with the phenomena of thermal runaway, choosing the critical temperature can lead to a greater diffusion coefficient.
对可能发生热失控现象的物质进行提取时，萃取温度应选择在临界温度附近，此时扩散系数较大。
Result:The Soot extraction can lead to interstrand DNA cross-links in calf thymus DNA and pulmonary cell DNA and there is the dose-responsive increase.
结果：煤烟颗粒提取物可以导致小牛胸腺DNA和大鼠肺细胞DNA产生交联，并存在剂量-反应关系。
Determines lead, acid or salt content of crude petroleum and products by extraction.
双联萃取器通过萃取原油及其产品，测量铅、酸或盐含量。
The extraction separation behaviour of lead with(NH4)2SO4-tetrabutylammonium bromide(TBAB)-H2O system and the conditions for the separation of lead with other metal ions are studied.
研究了硫酸铵-溴化四丁基铵（TBAB）-水体系萃取分离铅的行为及其与常见离子的分离条件。
Conclusion This reflects that the second molars could move mesially during treatment in the second premolars extraction subjects, which can lead to the increase of the retromolar space.
结论：第二前磨牙拔除患者可发生第二磨牙近中移动，导致磨牙后间隙增加。
In this paper, the preparation of tribasic lead sulfate from lead slag formed during tellurium extraction was studied.
研究了以脱碲铅渣为原料制备三盐基硫酸铅的工艺。
An ultrasound bath extraction technique was applied in the modified BCR sequential extraction method for lead speciation in sediments.
研究了超声波水浴提BCR顺序提取法在铅形态分析中的应用，优化了水系沉积物样品铅的各分步提取时间。
An ultrasound bath extraction technique was applied in the modified BCR sequential extraction method for lead speciation in sediments.
研究了超声波水浴提BCR顺序提取法在铅形态分析中的应用，优化了水系沉积物样品铅的各分步提取时间。
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