PPB

基本解釋

• n.十億分之幾(零件供應(yīng)中斷；程序接線板)

同根派生

• PPB相關(guān)詞

英漢例句

• Add 25 ppb Bentonite and allow to hydrate for a minimum of 6 hrs.
  按每桶鉆井液加25磅的膨潤土，允許水化至少6個小時。
• All drill water to be pretreated with 2 ppb Gluteraldehyde.
  所有的鉆井水都要按每桶加兩磅的戊二醛作預(yù)處理。
• The detection limit for surface waters is 0.05 ppb U .
  檢出下限為0.;05ppb;
• For ISSR marker, 34 polymorphic bands were generated, PPB were 53.0%.
  ISSR引物共擴增到34條清晰的多態(tài)性條帶，多態(tài)性條帶比率為53.;0%25。
• In original English language for the 1st impression.The Net Price to the Publisher is at the ratio 1.6 of the PPB cost.
  原書第一次印刷的文字形式是英文。出版者支付的凈價依據(jù)PPB成本1.;6的比率計算。

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