ppm no 中文意思是什麼

ppm no 解釋
是一種無色氣體
  • ppm : p. p. m. ＝parts per million 百萬分率。
  • no : adj 1 〈加在單數名詞前，相當于冠詞 a an 的否定形式〉（一個也）沒有。 Is there a book on the table...
  1. The results show that the cps signals have the thumbtack - typed ambiguity, no distance and / or speed ambiguity and excellent speed / distance measuring performances. 3. we analyze anti - interference performances of the uniform ppm - ps radar signals and the random ppm - ps radar signals, and make the comparison between them

    研究結果表明隨機脈位調制與隨機二相碼調相復合脈沖串信號具有「圖釘型」的模糊函數，不存在距離速度模糊，具有良好的測距測速性能。
  2. 0 ppm tightness during tests shown above. definition of 0 ppm is no detectable leakage registered on our organic vapor analyzer which has a range of 1 - 10, 000 ppm

    在上述測試中緊密性零泄漏。在我們的組合氣體分析儀（測量范圍為1 - 10 ， 000 /百萬）上沒有泄漏顯示。
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