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  1. 1

    An improved method for evaluating microbiological quality of drinking water using the H2S paper strip test حسب De Sales-Papa, Louernie F.

    منشور في 2011
    أطروحة

    An improved method for evaluating microbiological quality of drinking water using the H2S paper strip test
  2. 2

    A study of the acid-base indicators found in the coloring matter of some plants حسب Velasco, Josefa (Flores) 1923-

    منشور في 1967
    أطروحة

    A study of the acid-base indicators found in the coloring matter of some plants
  3. 3

    A study of the acid-based indicators found in the coloring matter of some plants حسب Flores-Velasco, Josefa

    منشور في 1967
    أطروحة

    A study of the acid-based indicators found in the coloring matter of some plants
  4. 4

    Chemical indicators حسب Tomicek, Oldrich

    منشور في 1951
    كتاب

    Chemical indicators
  5. 5

    Visual humidity indicators (indicating humidity by color change in gas atmospheres) حسب Abad, Ramona (Vivera) 1935-

    كتاب

    Visual humidity indicators (indicating humidity by color change in gas atmospheres)

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