عناصر مشابهة

• MORPHOLOGICAL STUDIES OF SOME SOILS ALONG THE NORTH WESTERN COAST OF EGYPT
  بواسطة: MOSTAFA MOHAMED MOHAMED EL SHAZLY منشور: (1978)
• INTERACTION BETWEEN SATURATION CAPACITY AND DEGREE OF SORPTION ON THE BEHAVIOUR OF PHOSPHORUS IN SOILS OF EGYPT
  بواسطة: KHAIRY ABD EL HASEEB KHALIL منشور: (1979)
• CONVERSING SOIL FERTILITY OF SOME SOILS OF EGYPT
  بواسطة: MAGDY MOHAMED EL SHAZLY SHABAN منشور: (2005)
• SOME REACTIONS OF PHOSPHORUS COMPOUNDS WITH DIAMINES
  بواسطة: AWNI NAGIB EL KHOUZONDAR منشور: (1986)
• REACTION BETWEEN PHOSPHORUS COMPOUNDS AND ELECTROPHILIC AND NUCLEOPHILIC SUBSTITUENTS
  بواسطة: ALI MOSTAFA ALI HASSAN منشور: (1983)