strict management, quality first, quality service, and customer satisfaction

Labaran Masana'antu

  • Asalin danyen mai da yanayin samuwarsa

    Asalin danyen mai da yanayin samuwarsa

    Man fetur ko danyen wani nau'i ne na hadadden kwayoyin halitta, babban abun da ke ciki shi ne carbon (C) da hydrogen (H), abubuwan da ke cikin carbon gaba daya 80% -88%, hydrogen shine 10% -14%, kuma ya ƙunshi ƙananan adadin. oxygen (O), sulfur (S), nitrogen (N) da sauran abubuwa. Abubuwan da suka ƙunshi waɗannan abubuwan ...
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