改革开放以来，外商直接投资（FDI）成为无锡获取外部资源的主要渠道。
高压微波络合消解石墨炉原子吸收分光光度法测定环境空气中锡
1·The existing bath analyzing methods are compared, as a result a quick and continous method for determining sodium hypophosphite and stannum(II) ion in electroless tin bath is determined.
并对现有的镀液分析方法进行了比较，确定了快速连续测定化学镀锡液中亚锡离子和次磷酸钠的方法。
2·A method is described to determine the stannum in catalyst by Atomic Absorption Spectrometry, and sample is dissolved by microwave.
研究了采用微波消解样品，火焰原子吸收法测定催化剂中锡含量的方法。
3·The copper alloy material contains copper, zinc, stannum and manganese.
铜合金材料中含有铜、锌、锡和锰。
4·This method has high sensitivity, accuracy, precision and lower limits of detection, can satisfy the requirement of determination of Arsenic and Stannum simultaneously with less time and effort.
该方法具有较高灵敏度、准确度、精密度和较低的检出限，能够满足样品中砷和锡同时测定的要求，省时、省力。
5·The concentration of stannum in sample solution could be determine by GFAAS.
光度法可确定样品溶液中锡的浓度。