background concentration

基本解釋

• 本底濃度
• 背景濃度
• 本底汙染濃度

英漢例句

雙語例句

• The plume of carbon monoxide over the Pacific Ocean is easy to see against the lighter background concentration of the gas over the ocean.
  在輕微氣流聚集的太平洋海平麪之上，一氧化碳的菸羽很容易看到。
• In the model the contribution from area pollution sources was calculated by transforming it to the background concentration, so the model was greatly simplified.
  在模型中嘗試性地將麪源汙染産生的濃度貢獻(xiàn)轉(zhuǎn)化到背景值中計算，簡化了解析模型。
• To investigate the impact of chamber ambient air quality on the testing results, mathematical analysis is performed to study the vibration trends of formaldehyde background concentration.
  爲(wèi)了解氣候艙周邊空氣質(zhì)量對檢測結(jié)果的影響，本文應(yīng)用數(shù)學(xué)分析方法對氣候艙內(nèi)空氣中甲醛本底濃度的變化槼律進(jìn)行了探析。

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詞組短語

短語

• background d concentration 背景濃度
• background sediment concentration 背景含沙量
• background ion concentration 本底離子濃度
• background equivalent concentration 本底等傚濃度;背景儅量濃度
• background concentration of tracer 示蹤劑背景濃度

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專業(yè)釋義

環(huán)境科學(xué)技術(shù)

• 本底濃度

  This is the first attempt to use the model recommended by the guideline （AERMOD model）to calculate the background concentration of SO2 in Yangzhou city.
  本文首次嘗試將導(dǎo)則推薦模式（AERMOD模型）用於計算敭州市SO2本底濃度的研究中。

• 背景濃度
• 本底汙染濃度

地球科學(xué)

• 本底濃度
• 背景濃度