ppm

['pi:p'i:'em]
  • 释义

  • part per million 百万分之…;

  • 双语例句
  • 1、

    RESULTS: GSC contains the highest ( 11.18 % ) germanium in 5 ppm enriched germanium MS cultrue medium.

    结果: 在5ppm的富锗培养基上培养的GSC中锗的转化率最高 ( 1118% ).

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  • 2、

    This article presents a class for using PPM to compress a file.

    本文介绍了使用PPM的压缩文件一类.

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  • 3、

    The term parts per million ( ppm ) was widely used but frequently led to misinterpretation.

    广泛使用百分之几 ( ppm ) 表示结果,但常常引起误解.

    辞典例句
  • 4、

    Probabilistic Packet Marking ( PPM ) is an efficient and practical scheme.

    概率包标记 ( PPM ) 是一种比较有效且实用的解决方法.

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  • 5、

    The 100 ppm level took effect June 1, 1994.

    百分之一级生效1994年6月1日.

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  • 6、

    Acts as a leader in the Internal PPM Reduction Teams assuring positive tendencies and results.

    充当降低内部PPM小组的负责人,确保正面趋势和结果.

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  • 7、

    The most effective concentration of bee royal jelly is about 400 ppm.

    比?合适的蜂皇浆浓度是400ppm左右.

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  • 8、

    Cold Storage disinfection requirements ozone concentration 6 - 10 PPM , parking closures after the 24 hours above.

    冷库消毒要求臭氧浓度6-10PPM, 停机后封库24小时以上.

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  • 9、

    An Inhalation Lclo ( Mouse ) of 9600 ppm for four hours has been determined.

    四小时吸入Lclo ( 鼠 ) 为9600ppm已经被确定.

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  • 10、

    This response was cau - sed by even lower concentration ( 0.01 ppm ).

    BA 的浓度在 0.01ppm 时也能产生这一效应.

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  • 11、

    Note: PPM means part per million usually a measure of quality.

    注: PPM是百万分之一件的缩写通常是质量的一种指标.

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  • 12、

    The legal limit of melamine in Hong Kong is 2.5 ppm.

    在香港,产品的三聚氰胺含量法定上限为百万分之2.5.

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  • 13、

    Objective : To study implement effect of PPM - tuberculosis control project in city.

    目的: 探讨在城区实施PPM-DOTS项目的效果情况.

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  • 14、

    Cl ~ -- supply of 3200 ppm even has a more serious effect.

    施氯3200ppm时,不利影响更为严重.

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