molecular ratio

常见例句

雙語例句

• Molecular ratio is calculated by excess amount of ALF3 in sample measurement in-diectly?
  通過間接測定試樣中過賸ALF_3量來計算出分子比。
• The yield reached 98.68% when the molecular ratio of sulfuric acid to oxime was 1.15 and the temperature was 80℃.
  結果發現，該反應能夠在較低的溫度下進行。在80℃、酸肟摩爾比爲1.15的條件下，己內醯胺收率達到了98.68%。
• Influence of methanol content in formaldehyde used as raw material for preparing low-formaldehyde(low molecular ratio) UF resin was studied.
  研究了原料甲醛中甲醇含量對低醛化（低摩爾比）脲醛樹脂性能的影響。

權威例句

• The most likely alternatives, butter and pig fat, were ruled out using a technique called isotope-ratio mass spectrometry, which measures the molecular weights of the chemicals in a sample.
  ECONOMIST: The Romans, too, had sophisticated cosmetics
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