عناصر مشابهة

• CHEMICAL STUDIES ON SOME PHOSPHORUS SCHIFF BASE COMPLEXES
  بواسطة: OSAMA MAHMOUD SAYED AHMED GOMAA منشور: (2005)
• Effect of some characteristics of calcareous soil on available phosphorus on North Africa
  بواسطة: Aida Samir Ahmed Hassan منشور: (2012)
• calcium and phosphorus homeostasis in breast fed and formula fed infants/ 
  بواسطة: SAYED، ABDALLA SAYED.  منشور: (1993)
• BIOTECHNOLOGICAL APPLICATIONS FOR PHOSPHORUS REMOVAL DURING WASTEWATER TREATMENT BY CERTAIN BACTERIAL STRAINS
  بواسطة: AMR MOSTAFA SAYED منشور: (2014)
• EFFECCT OF PHOSPHORUS AND POTASSIUM FERTILIZER ON PRODUCTIVITY OF SOME FABA BEAN VARIETIES
  بواسطة: EMAD EL-SAYED KHALIL SOLIMAN منشور: (2004)