Dangos 1 - 5 canlyniadau o 5 ar gyfer chwilio '', amser ymholiad: 0.01e Mireinio'r Canlyniadau
  1. 1

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

    Cyhoeddwyd 2011
    Traethawd Ymchwil

    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 gan Velasco, Josefa (Flores) 1923-

    Cyhoeddwyd 1967
    Traethawd Ymchwil

    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 gan Flores-Velasco, Josefa

    Cyhoeddwyd 1967
    Traethawd Ymchwil

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

    Chemical indicators gan Tomicek, Oldrich

    Cyhoeddwyd 1951
    Llyfr

    Chemical indicators
  5. 5

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

    Llyfr

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

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