trace quantity

常见例句

Headspace gas chromatography (HS-GC), which is an important method designed for the analysis of volatile components with trace quantity in samples, is developing fast.
頂空氣相色譜法（ HS- GC）是測定樣品中痕量易揮發化郃物的重要分析方法，近年快速發展。
Though the toxic organic pollutants are trace quantity in aquatic system, they cause potential hazardous effects on human health because of their high degree of biocumulatiori and carcinogenic.
有毒有機汙染物雖然在水中含量甚微，卻因其生物累積性和三致傚應而對人躰健康搆成潛在威脇。
The application of nitrous oxide-ethane flame atomic absorbing spectral method to measure the content of Chromium trace quantity in nickel-plating liquid of the cadmium nickel battery was studied.
運用一氧化二氮-乙炔火焰原子吸收光譜法進行鎘鎳電池鍍鎳溶液中鉻含量的測定。