Dangos 391 - 400 canlyniadau o 951 ar gyfer chwilio '"Air pollution."', amser ymholiad: 0.02e Mireinio'r Canlyniadau
  1. 391

    DENR implements Clean Air Act

    Cyhoeddwyd yn Manila Bulletin (2000)
    Erthygl

    DENR implements Clean Air Act
  2. 392

    Baguio pollution worsening, say environment execs gan Caluza, Desiree

    Cyhoeddwyd yn Philippine Daily Inquirer (2000)
    Erthygl

    Baguio pollution worsening, say environment execs
  3. 393

    Keeping the air clean.

    Cyhoeddwyd 2000
    Llyfr

    Keeping the air clean.
  4. 394

    Urban traffic pollution

    Cyhoeddwyd 1999
    Llyfr

    Urban traffic pollution
  5. 395

    Designing transportation fuels for a cleaner environment

    Cyhoeddwyd 1999
    Llyfr

    Designing transportation fuels for a cleaner environment
  6. 396

    Urban traffic pollution

    Cyhoeddwyd 1999
    Llyfr

    Urban traffic pollution
  7. 397

    Simultaneous determination of lead, cadmium and zinc in Metro Manila air particulates by anodic stripping voltammetry gan Castaneda, Soledad S.

    Cyhoeddwyd 1999
    Traethawd Ymchwil

    Simultaneous determination of lead, cadmium and zinc in Metro Manila air particulates by anodic stripping voltammetry
  8. 398

    RA 8749 the Philippine Clean Air Act of 1999 and its implementing rules and regulaions.

    Cyhoeddwyd 1999
    Llyfr

    RA 8749 the Philippine Clean Air Act of 1999 and its implementing rules and regulaions.
  9. 399

    RA 8749 the Philippine Clean Air Act of 1999 and its implementing rules and regulations; DAO 2000-81.

    Cyhoeddwyd 1999
    Llyfr

    RA 8749 the Philippine Clean Air Act of 1999 and its implementing rules and regulations; DAO 2000-81.
  10. 400

    Clean air, clean politics. IN At large [column] gan David, Rina Jimenez

    Cyhoeddwyd yn Philippine Daily Inquirer (1999)
    Erthygl

    Clean air, clean politics. IN At large [column]

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