Articles

• Social Sciences

  Gemstone manufacturing in the Arab scientific heritage from the Umayyad Era to the end of the Mamlūk Era (41-923 AH/ 662-1517AD): A cultural historical study

  Salih Maddah Aljedani, Layla Sulaiman Aloumi, Saad Saeed Alqarni

  1-14

  Abstract View : 71

  Download :38

  10.53894/ijirss.v9i7.11780

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• Social Sciences

  A study on a hydrogen injection control method for fuel cell engines based on proportional valve polling

  Ge Lixia, Mohammad Nizamuddin Inamdar, Aiman Alodainia

  15-27

  Abstract View : 0

  Download :0

  10.53894/ijirss.v9i7.11789

  PDF