对预柱吸附法捕集鲜花头香的条件进行了讨论。
The conditions of trapping of fragrance volatiles have also been discussed.
以三异辛胺萃淋树脂为微型柱固定相，采用流动注射在线预浓集与火焰原子吸收法联用技术，对微量钯的测定进行了研究。
A flow injection on line extraction chromatographic separation and preconcentration system is proposed for the determination of trace palladium by flame atomic absorption spectrometry (FAAS).
基于流动注射-在线柱预浓集-微波等离子体炬原子发射光谱，对在线浓集测定流路和各种测试条件进行优选，建立了一种测定痕量铜的新方法。
A new method for determining trace-level copper ion was proposed based on flow-injection on-line preconcentration and microwave plasma torch atomic emission spectrometry.
广州市奋威音响器材厂是一家集开发、生产和销售音箱、音柱、专业舞台箱的企业。
Guangzhou Wei Fen Audio Equipment Factory is a development, production and sales of speakers, Sound Column, professional stage boxes business.
广州市奋威音响器材厂是一家集开发、生产和销售音箱、音柱、专业舞台箱的企业。
Guangzhou Wei Fen Audio Equipment Factory is a development, production and sales of speakers, Sound Column, professional stage boxes business.
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