ultra trace amountとは 意味・読み方・使い方

In this way, fine organic matters included in the raw water of a trace amount are oxidatively decomposed, and are further filtered with a separation membrane 4 as an MF (Micro-filtration) membrane or an UF (Ultra-filtration) membrane to obtain clean water.例文帳に追加

これにより原水中に微量に含まれる微細有機物を酸化分解したうえ、ＭＦ膜またはＵＦ膜である分離膜４により膜ろ過して浄水を得る。 - 特許庁

The composition for the oral cavity including 2-methylbutyric acid or/and acetic acid promotes secretion of saliva after completing chewing even when the content of the 2-methylbutyric acid or/and acetic acid is an ultra-trace amount so as not to feel the tasting.例文帳に追加

２−メチル酪酸又は／及び酢酸を含有する口腔用組成物は、２−メチル酪酸又は／及び酢酸の含有量が、呈味を感じない程度の極微量であっても、咀嚼の終了後の唾液の分泌を促進させる。 - 特許庁