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Lec 1_ Powder technology introduction.pdf

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AdulatoryFreedom8909

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Sudan University of Science and Technology

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powder technology pharmaceutical particle size analysis science

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Machine Translated by Google ‫ﺒﻮدرة‬ ‫ﻣﻘﺪﻣ ﺔ ﻋﻦ اﻟ‬ ‫ﺗﻜﻨﻮﻟﻮﺟﻴﺎ‬ ‫ راﻣ ﻲ اﺣﻤﺪ‬.‫ﺘﻮر‬...

Machine Translated by Google ‫ﺒﻮدرة‬ ‫ﻣﻘﺪﻣ ﺔ ﻋﻦ اﻟ‬ ‫ﺗﻜﻨﻮﻟﻮﺟﻴﺎ‬ ‫ راﻣ ﻲ اﺣﻤﺪ‬.‫ﺘﻮر‬ ‫دﻛ‬ [email protected] Machine Translated by Google ‫ﻣﻘﺪﻣ ﺔ ﻋﻦ‬ ‫ﺗﻜﻨﻮﻟﻮﺟﻴﺎ اﻟﻤ ﺴﺤﻮق‬ Machine Translated by Google ‫ﻣﻮاﻗﻊ ﻣﻔﻴﺪة‬...‫ﺑﻂ اﻟﻤﻔﻴﺪة ﺟﺪًا‬ ‫ﺑﻌﺾ اﻟﺮوا‬‫ إﻟﻴﻚ‬،‫ﺘ ﺐ اﻟﺼﻴﺪﻻﻧﻴ ﺔ‬ ‫ﺑﺎﻹﺿﺎﻓ ﺔ إﱃ اﻟﻜ‬ www.malvern.co.uk www.medicinescomplete.com www.pharmpedia.com www.pformulate.com www.emc.medicines.org.uk ‫‪Machine Translated by Google‬‬ ‫ﺘﻮى اﻟﺪورة‬ ‫ﻣﺤ‬ ‫ﺘﺎ ت‬ ‫ﺘﻬﺎ اﻟﺼﻴﺪﻻﻧﻴ ﺔ وﻋﻠﻢ اﻟﻤﻴﻜﺮوﻣﻴﺮﻳ‬ ‫ اﻟﻤ ﺴﺎﺣﻴﻖ‪ :‬أ ﻫﻤﻴ‬ ‫)اﻟﺸﻜﻞ واﻟ ﺴﻄﺢ(‬ ‫ﻣﻨﻄﻘ ﺔ(‬ ‫ﺘﻜ ﺲ‪:‬ﺗﺤﺪﻳﺪ ﺣﺠﻢ اﻟﺠ ﺴﻴﻤﺎ ت‬‫ ﻣﻴﻜﺮوﻣﻴﺮﻳ‬ ‫ﺗﻮزﻳﻌﺎ ت اﻟﺤﺠﻢ‬ ‫و‬ ‫ ﻃﺮقﺗﺤﻠﻴﻞ ﺣﺠﻢ اﻟﺠ ﺴﻴﻤﺎ ت‬ ‫ﺗﻘﻨﻴﺎ تﺗﻘﻠﻴﻞ ﺣﺠﻢ اﻟﺠ ﺴﻴﻤﺎ ت‬ ‫ ‬ ‫ ﺧﻠﻂ اﻟﻤ ﺴﺎﺣﻴﻖ‬ ‫ﺗﺪﻓﻖ اﻟﻤ ﺴﺤﻮق‬ ‫ ‬ ‫‪Machine Translated by Google‬‬ ‫ﺑﺤﻠﻮل ﻧﻬﺎﻳ ﺔ ﻫﺬه اﻟﻮﺣﺪة‪،‬ﻳﺠ ﺐ أنﻳﻜﻮن اﻟﻄﻼ ب ﻗﺎدرﻳﻦ ﻋﲆ‪:‬‬ ‫ﺗﻮزﻳﻌﺎ ت اﻟﺤﺠﻢ‪.‬‬ ‫ﺗﺤﺪﻳﺪ ﺣﺠﻢ اﻟﺠ ﺴﻴﻤﺎ ت و‬ ‫ ﻓﻬﻢ أ ﻫﻤﻴ ﺔ اﻟﻤ ﺴﺤﻮق ﻓ ﻲ اﻟﺼﻴﺪﻟ ﺔ‪.‬‬ ‫ﺗﻘﻴﻴﻢﺗﻘﻨﻴﺎ تﺗﻘﻠﻴﻞ ﺣﺠﻢ اﻟﺠ ﺴﻴﻤﺎ ت‪.‬اﻟﻜﺸﻒ ﻋﻦ‬ ‫ﺗﻮﺿﻴﺢ ﻃﺮقﺗﺤﻠﻴﻞ ﺣﺠﻢ اﻟﺠ ﺴﻴﻤﺎ ت‪.‬‬ ‫ ‬ ‫ﺗﻘﺪﻳﺮ أ ﻫﻤﻴ ﺔﺗﺪﻓﻖ اﻟﻤ ﺴﺎﺣﻴﻖ‪.‬‬ ‫ﺘﻬﺎ ﻓ ﻲﺗﻜﻨﻮﻟﻮﺟﻴﺎ اﻷدوﻳ ﺔ‪.‬‬ ‫ﺗﻘﻨﻴﺎ ت ﺧﻠﻂ اﻟﻤ ﺴﺎﺣﻴﻖ وأ ﻫﻤﻴ‬ Machine Translated by Google ‫اﻷ ﻫﻤﻴ ﺔ اﻟﺼﻴﺪﻻﻧﻴ ﺔ ﻟـ‬ ‫ﻣ ﺴﺎﺣﻴﻖ‬ ‫‪Machine Translated by Google‬‬ ‫ﺘﻤﺎم؟‬ ‫ﺜﻴﺮة ﻟﻼ ﻫ‬ ‫ﺒﺮ اﻟﻤ ﺴﺎﺣﻴﻖ ﻣ‬ ‫ﺘ‬‫ﻟﻤﺎذاﺗﻌ‬ ‫اﻟﻤ ﺴﺎﺣﻴﻖ ﻫ ﻲ ﺟﺰء ﻣﻦ ﻛﻞ ﻋﻤﻠﻴ ﺔ‬ ‫ﺻﻴﺎﻏ ﺔ‬ Machine Translated by Google ‫‪Machine Translated by Google‬‬ ‫ﺘﻜ ﺲ‪:‬‬ ‫ﻣﻴﻜﺮوﻣﻴﺮﻳ‬ ‫ﻋﻠﻢ اﻟﺠ ﺴﻴﻤﺎ ت‬ ‫ﺘﻮﺻﻴﻒ‬ ‫اﻟ‬ ‫‪Machine Translated by Google‬‬ ‫ﺑﻌﺎد ﻫﺎ‬ ‫ﺷﻜﻞ اﻟﺠ ﺴﻴﻤﺎ ت وأ‬ ‫اﻟﺨﻄﻮة اﻷوﱃ ﻓ ﻲﺗﻮﺻﻴﻒ‬ ‫إن ﻓﺤﺺ اﻟﻤ ﺴﺤﻮق ﺣ ﺴ ﺐ اﻟﺸﻜﻞ واﻟﺤﺠﻢ ﻫﻮ ﻓﺤﺺ‬ ‫ﺒﺎ ت‬ ‫ﺒﻴ‬‫ﺘﻜﻮن ﻣﻨﻬﺎ اﻟﻤ ﺴﺤﻮق‪.‬وﻓ ﻲ ﺣﺎﻟ ﺔ اﻟﺤ‬ ‫ﺘ ﻲﻳ‬ ‫اﻟﻮﺣﺪا ت اﻟ‬ ‫ﺒﻜ ﺔ‪،‬‬ ‫ﺘ ﻲﻳﺰﻳﺪ ﺣﺠﻤﻬﺎ ﻋﻦ ‪40-60‬ﺷ‬ ‫وﺟﺰﻳﺌﺎ ت اﻟﻤ ﺴﺤﻮق اﻟ‬ ‫ﻳﻜﺸﻒ اﻟﻔﺤﺺ اﻟﻤﺠﻬﺮي ﻋﻦ ﺷﻜﻞ اﻟﺠﺰﻳﺌﺎ ت‪.‬‬ ‫‪Machine Translated by Google‬‬ ‫ﺑﻌﺎد ﻫﺎ‬ ‫ﺷﻜﻞ اﻟﺠ ﺴﻴﻤﺎ ت وأ‬ ‫ﺘﺮ( ﻣﻦ اﻟﻀﺮوري ﻣﻼﺣﻈ ﺔ ﺷﻜﻞ اﻟﺠ ﺴﻴﻤﺎ ت ﻣﻦ ﺧﻼل اﻟﻤﺠﻬﺮ‪.‬‬ ‫ﺒﻜ ﺔ ‪(250‬ﻣﻴﻜﺮوﻣ‬ ‫ﺗﺤ ﺖ ‪60‬ﺷ‬ ‫ﺘﻢ ذﻟﻚ ﻋﻦ ﻃﺮﻳﻖ ﻧﺸﺮ ﻛﻤﻴ ﺔ ﺻﻐﻴﺮة ﻣﻦ ﻋﻴﻨ ﺔ اﻟﻤ ﺴﺤﻮق ﻓ ﻲ زﻳ ﺖ ﻣﻌﺪﻧ ﻲ أو وﺳﻂﺳﺎﺋﻞ آﺧﺮ‬ ‫ﻳ‬ ‫ﺑ ﺴﻬﻮﻟ ﺔ وﻻﺗﺬو ب‪.‬‬‫ﺒﻠﻴﻞ اﻟﺠ ﺴﻴﻤﺎ ت‬ ‫ﺘﻢﺗ‬ ‫ﺣﻴ ﺚﻳ‬ ‫‪Machine Translated by Google‬‬ ‫ﺜﺎﻟ ﻲ واﻟﻮاﻗﻊ‬ ‫اﻟﺠ ﺴﻴﻢ اﻟﻤ‬ ‫ر‬ ‫ح‬ ‫ر‬ ‫ح‬ ‫ح‬ ‫ل‬ ‫ر‬ ‫ﻓﻲ‬ ‫ﺐ ﻛﺮوي‬ ‫ﺻﻠﺴﻢ‬ ‫ﺟ‬ ‫ﺴﻴﻤﺎ ت اﻟﻬﻨﺪﺳﻴ ﺔ‬ ‫اﻟﺠ‬ ‫ﺻﻠ ﺐ‬ ‫ﺒﻌﺪ اﻟﻮاﺣﺪ )ﻧﺼﻒ اﻟﻘﻄﺮ( اﻟﺤﺠﻢ واﻟﺸﻜﻞ‬ ‫ﻳﺼﻒ اﻟ‬ ‫ﺑﻌﺎد‬ ‫ﺛﺔ أ‬ ‫ﺛﻼ‬‫ﺑﻌﺪﻳﻦ أو‬‫ﻣﻄﻠﻮ ب‬ ‫وﻣ ﺴﺎﺣ ﺔ اﻟ ﺴﻄﺢ واﻟﺤﺠﻢ‬ ‫وﺻﻒ اﻟﺤﺠﻢ واﻟﺸﻜﻞ واﻟ ﺴﻄﺢ‬ ‫اﻟﻤ ﺴﺎﺣ ﺔ‪ ،‬اﻟﺤﺠﻢ‬ ‫ﺘﻈﻢت‬ ‫ﺴﻴﻤﺎ‬ ‫ﻣﻨ‬ ‫اﻟﺠ‬ ‫ﻏﻴﺮ ﺐ‬ ‫ﺻﻠ‬ ‫ﺘﻈﻢت‬ ‫ﺴﻴﻤﺎ‬ ‫ﺴﺎﻣﻴ ﺔ‬ ‫اﻟﺠ‬ ‫ﻣ‬ ‫ﻏﻴﺮ ﻣﻨ‬ ‫ﺒ ًﻴﺎ‪ ،‬وﻣ ﺴﺎﺣ ﺔ اﻟ ﺴﻄﺢ و‬ ‫واﻟﺸﻜﻞ إﻻﺗﻘﺮﻳ‬ ‫اﻟﺤﺠﻢﺔ اﻟ ﺴﻄﺢ و‬ ‫ﻳﺮوﻣ ﺴﺎﺣ‬‫ﻳﻤﻜﻦﺗﻘﺪ‬ ‫واﻟﺸﻜﻞ‬ ‫ﻻ‬ ‫اﻟﺤﺠﻢ‬ ‫ﻻﻳﻤﻜﻦﺗﻘﺮﻳ ﺐ اﻟﺤﺠﻢ إﻻ‬ ‫ﻳﻤﻜﻦ ﻗﻴﺎس اﻟﺤﺠﻢ‬ ‫‪Machine Translated by Google‬‬ ‫ﺧﺼﺎﺋﺺ اﻟﻤ ﺴﺤﻮق اﻟﻬﺎﻣ ﺔ‬ ‫ﻋﲆﺔ اﻟﺼﻠ ﺔ‬ ‫ﺜﻠ ﺔﻣﻠﻜﻴ‬ ‫أﻣ‬ ‫ﺘﻼط‬ ‫ﺘﺪﻓﻖ واﻻﺧ‬ ‫ﺷﻜﻞاﻟﻤﺤ‬ ‫ﺘﻮى واﻟ‬ ‫ﺗ ﺴﺎق‬ ‫ا‬ ‫ﺣﺠﻢ اﻟﺠ ﺴﻴﻤﺎ ت‬ ‫ﺘﻼط‬ ‫ﺘﺪﻓﻖ واﻻﺧ‬ ‫ﺘﻮى واﻟ‬ ‫ﺗ ﺴﺎق اﻟﻤﺤ‬ ‫ا‬ ‫ﻣ ﺴﺎﺣ ﺔ اﻟ ﺴﻄﺢ‬ ‫ﺑﺎن‬ ‫ﻣﻌﺪل اﻟﺬو‬ ‫ﺜﺎﻓ ﺔ‬ ‫اﻟﻜ‬ ‫ﺗﺤﺪﻳﺪ ﺣﺠﻢ اﻷﺟﻬﺰة اﻟﻠﻮﺣﻴ ﺔ‬ ‫ﺒ ﺴﻮﻻ ت‬ ‫وﻛ‬ ‫ﺒﻞ ﻛﻞ ﺷ ﻲء‬ ‫أوﻻ وﻗ‬ ‫)ﺻﺤﻴﺢ‪ ،‬اﺿﻐﻂ و‬ ‫ﺒﺔ‬ ‫ﺜﺎﻓ ﺔ اﻟ ﺴﺎﺋ‬ ‫اﻟﻜ‬ ‫اﻟﻤ ﺴﺎﻣﻴ ﺔ‬ ‫اﻻﻧﻀﻐﺎﻃﻴ ﺔ‬ ‫ﻣﺎء‬ ‫ﺘﺼﺎص‬‫أﻗﺮاصﺔ‪/‬اﻻﻣ‬ ‫ﻧﻔﺎذﻳ‬ ‫ﺷﺮﻃﻴﺎ‬ ‫ﺑﻴ ﺔ‬ ‫اﻻﻧ ﺴﻴﺎ‬ ‫ﺘﻮى‬ ‫ﺗﻮﺣﻴﺪ اﻟﻤﺤ‬ ‫ﺑﻠﻴ ﺔ اﻟﻀﻐﻂ واﻟﻀﻐﻂ‬ ‫ﻗﺎ‬ ‫ﺘﺼﻨﻴﻊ اﻷﻗﺮاص‬ ‫ﺿﺮوري ﻟ‬ ‫ﺒ ﺴﻮﻻ ت‬ ‫وﻛ‬ ‫‪Machine Translated by Google‬‬ ‫ﺛﻴﺮ اﻟﺪواﺋ ﻲ ﻟﺸﻜﻞ اﻟﺠ ﺴﻴﻤﺎ ت‬ ‫ﺘﺄ‬ ‫اﻟ‬ ‫س‬ ‫ﻣﻊ‬ ‫و‬ ‫‪Machine Translated by Google‬‬ ‫ﺗﻌﺮﻳﻔﺎ ت ﺷﻜﻞ اﻟﺠ ﺴﻴﻤﺎ ت‬ ‫ﻣﻊ‬ ‫ﺳﻤﺎﻛ ﺔ‬ ‫ﺘﻘﺮار ﻟﻪ )ﻣﻮازﻳًﺎ ﻟﻠﻤﺤﻮر(‪.‬‬ ‫ﻲ ﻣﻮﺿﻊ أﻗﺼﻰ اﺳ‬ ‫ﺘﻘﺮ ﻓ‬ ‫ﺗﻔﺎع اﻟﺠ ﺴﻴﻢ ﻋﻨﺪﻣﺎﻳ ﺴ‬ ‫ﻫﻮ ار‬ ‫س‬ ‫ﻣﻊ‬ ‫ﺴﺎع‬ ‫ﺗ)ﻣﻮاز‬ ‫ﻳ ﺔ ﻟﻠﻤﺤﻮر(‪.‬‬ ‫ا‬ ‫ﺴﻤﻚ‬ ‫ﺘ ﻲﺗﺤﺪد اﻟ‬ ‫ﺘﻮﻳﻴﻦ ﻣﻤﺎﺳﻴﻦ ﻋﻤﻮدﻳﻴﻦ ﻋﲆﺗﻠﻚ اﻟ‬ ‫ﺑﻴﻦ أﻗﺮ ب ﻣ ﺴ‬‫ﻫ ﻲ اﻟﻤ ﺴﺎﻓ ﺔ‬ ‫و‬ ‫س‬ ‫ﺘ ﻲﺗﺤﺪد اﻟ ﺴﻤﻚ واﻟﻌﺮض )ﻣﻮازﻳ ﺔ ﻟﻠﻤﺤﻮر ‪y).‬‬ ‫ﺘﻮﻳﻴﻦ ﻋﻤﻮدﻳﻴﻦ ﻋﲆﺗﻠﻚ اﻟ‬ ‫ﺑﻴﻦ ﻣ ﺴ‬‫يه اﻟﻤ ﺴﺎﻓ ﺔ‬ ‫ﻃﻮل‬ ‫‪Machine Translated by Google‬‬ ‫ﻣﺼﻄﻠﺤﺎ ت ﺷﻜﻞ اﻟﺠ ﺴﻴﻤﺎ ت‬ ‫ﺑﺮة‬ ‫ﺑﺮي‪ :‬ﻋﲆ ﺷﻜﻞ إ‬ ‫إ‬ ‫ﺒﺎ‬ ‫ﺘﻌﺪد اﻟ ﺴﻄﻮحﺗﻘﺮﻳ ً‬ ‫زاوي ‪ :‬ذو ﺣﻮاف ﺣﺎدة؛ ﻟﻪ ﺷﻜﻞ ﻣ‬ ‫ﺘﻔﺮع‬ ‫ﺑﻠﻮري ﻣ‬‫ﺷﺠﻴﺮي‪ :‬ﻟﻪ ﺷﻜﻞ‬ ‫ﺒﻪ اﻟﺨﻴﻂ‬ ‫ﻟﻴﻔ ﻲ‪:‬ﻳﺸ‬ ‫ﺒﻪ اﻟﺼﻔﻴﺤ ﺔ‬ ‫ﺘﻘﺸﺮ ‪:‬ﻳﺸ‬ ‫ﻣ‬ ‫ﺑﺸﻜﻞ ﻋﺎم‬‫ﺒﺎ‬ ‫ﺘﻈﻢ وﻟﻜﻨﻪ ﻛﺮويﺗﻘﺮﻳ ً‬ ‫ﺒ ﻲ ‪ :‬ﻏﻴﺮ ﻣﻨ‬ ‫ﺒﻴ‬‫ﺣ‬ ‫ﺘﻤﺎرة‬ ‫اﺳ‬ ‫ﺘﻘﺮ إﱃ أيﺗﻨﺎﺳﻖ‬ ‫ﺘﻈﻢ ‪:‬ﻳﻔ‬ ‫ﻏﻴﺮ ﻣﻨ‬ ‫ﺘﻈﻢ ‪.‬‬ ‫ﻣﻌﻴﺎري ‪ :‬ﻟﻪ ﺷﻜﻞ داﺋﺮي وﻏﻴﺮ ﻣﻨ‬ Machine Translated by Google ‫ﻣﺤﺪد‬ Machine Translated by Google Machine Translated by Google Machine Translated by Google Machine Translated by Google Machine Translated by Google Machine Translated by Google Machine Translated by Google ‫‪Machine Translated by Google‬‬ ‫ﺷﺮط‬ ‫ﺷﻜﻞ‬ ‫أﺳﻄﻮاﻧ ﻲ اﻟﺸﻜﻞ‬ ‫‪D isc o idal‬‬ ‫س ص ﻫﻴﺮﻳﻜﺎل‬ ‫ت‪ ،‬ﻣﻘﻠﻮ ب‬ ‫ﺜﺎﻟ ﻲ ﻟﻠﻐﺎﻳ ﺔ‬ ‫إﻳﻠﻴ ﺐ ﻣ‬ ‫إﻛﻮان‬ ‫ﻏﻴﺮ اﻟﻨﻈﺎﻣﻴ ﺔ‬ ‫‪Machine Translated by Google‬‬ ‫ﺒﻮدرة‬ ‫ﺛﻴﺮ اﻟﺪواﺋ ﻲ ﻟﻠ‬ ‫ﺘﺄ‬ ‫اﻟ‬ ‫ﺷﻜﻞ اﻟﺠ ﺴﻴﻤﺎ ت‬ ‫ﺜﺮ زاوﻳ ﺔﺗﻈﻬﺮ أﺣﻴﺎﻧًﺎ‬ ‫ﻋﲆ اﻟﺮﻏﻢ ﻣﻦ أن اﻷﻗﺮاص اﻟﻤﺼﻨﻮﻋ ﺔ ﻣﻦ ﻣﻮاد أﻛ‬ ‫ﺘﺪﻓﻖ اﻟﻀﻌﻴﻔ ﺔ‪ ،‬إﻻ أﻧﻬﺎ ﻓ ﻲ‬ ‫ﺒ ﺐ ﺧﺼﺎﺋﺺ اﻟ‬ ‫ﺑﺴ‬‫ﺒﺮ ﻓ ﻲ اﻟﻮزن‬ ‫ﺘﻼﻓﺎ ت أﻛ‬ ‫اﺧ‬ ‫ﺑﻴﻦ‬‫ﺑﻚ‬ ‫ﺘﺸﺎ‬ ‫ﺒ ﺐ زﻳﺎدة اﻟ‬ ‫ﺑﺴ‬ ‫ﻧﻔ ﺲ اﻟﻮﻗ ﺖﺗﻈﻬﺮ أ ً‬ ‫ﻳﻀﺎ ﻗﻮى ﺷﺪ أﻋﲆ‬ ‫اﻟﺠ ﺴﻴﻤﺎ ت‪.‬‬ ‫‪Machine Translated by Google‬‬ ‫ﺒﻮدرة‬ ‫ﺛﻴﺮ اﻟﺪواﺋ ﻲ ﻟﻠ‬ ‫ﺘﺄ‬ ‫اﻟ‬ ‫ﺷﻜﻞ اﻟﺠ ﺴﻴﻤﺎ ت‬ ‫أ‬ ‫ب‬ ‫ج‬ ‫ﺑﺸﻜﻞ أﻓﻀﻞ؟ أو اﻷﺳﻮأ؟‬‫ﺘﺪﻓﻖ‬ ‫‪.1‬أي ﻣ ﺴﺤﻮقﺳﻮفﻳ‬ ‫ﻟﻤﺎذا؟‬ ‫أي ﻣ ﺴﺤﻮقﻳﻤﻜﻦ‬ ‫ﺑﺸﻜﻞ أﻓﻀﻞ؟ وأﻳﻬﻤﺎ أﺳﻮأ؟ ‪3.‬‬ ‫ﻟﻤﺎذا؟‬ ‫‪2.‬أي ﻣ ﺴﺤﻮقﻳﻤﻜﻦ ﺧﻠﻄﻪ‬ ‫ﺘﻮى ﻓ ﻲ اﻟﻘﺮص؟ وأﻳﻬﻤﺎ أﻗﻞ؟‬ ‫ﺘﺠﺎﻧ ﺲ ﻓ ﻲ اﻟﻤﺤ‬ ‫ﺒ ﺔ ﻣﻦ اﻟ‬ ‫ﺘﻮي ﻋﲆ أﻋﲆ ﻧ ﺴ‬ ‫أنﻳﺤ‬ ‫ﻟﻤﺎذا؟‬ ‫‪Machine Translated by Google‬‬ ‫ﺛﻴﺮ اﻟﺪواﺋ ﻲ ﻟﻤ ﺴﺎﺣ ﺔ اﻟ ﺴﻄﺢ‬ ‫ﺘﺄ‬ ‫اﻟ‬ ‫ﺜﺎل م‪(2‬‬ ‫ﺒﻴﻞ اﻟﻤ‬ ‫ﻣ ﺴﺎﺣ ﺔ اﻟ ﺴﻄﺢ )ﻋﲆﺳ‬ ‫‪Machine Translated by Google‬‬ ‫ﻣ ﺴﺎﺣ ﺔ اﻟ ﺴﻄﺢ‬ ‫ﻣﻊﺗﺤﻮلﺗﻮزﻳﻊ ﺣﺠﻢ اﻟﺠ ﺴﻴﻤﺎ ت إﱃ‬ ‫ﻧﻄﺎق اﻟﺤﺠﻢ اﻷﺻﻐﺮ‪ ،‬ﻣ ﺴﺎﺣ ﺔ اﻟ ﺴﻄﺢ‬ ‫ﺘﻴﺠ ﺔ اﻟ ﺴﻄﺢ اﻟﺠﺪﻳﺪ‬ ‫ﺗﺰداد ﻧ‬ ‫ﻣﺨﻠﻮق‪.‬‬ ‫‪٢٨‬‬ Machine Translated by Google ‫‪Machine Translated by Google‬‬ ‫ﻳﻤﻜﻦ ﺣ ﺴﺎ ب ﻣ ﺴﺎﺣ ﺔ اﻟ ﺴﻄﺢ ﻣﻦ‬ ‫ﺑﻴﺎﻧﺎ تﺗﻮزﻳﻊ ﺣﺠﻢ اﻟﺠ ﺴﻴﻤﺎ ت ﻋﲆ‬ ‫ﺘﺮاض أن اﻟﺠ ﺴﻴﻤﺎ ت ﻛﺮوﻳ ﺔ‪.‬‬ ‫اﻓ‬ ‫ﻣ ﺴﺎﺣ ﺔ اﻟ ﺴﻄﺢ ‪= 4πr 2‬‬ ‫‪Machine Translated by Google‬‬ ‫ﻗﻴﺎس ﻣ ﺴﺎﺣ ﺔ اﻟ ﺴﻄﺢ‬ ‫ﺘﻈﻤ ﺔ‬ ‫ﺟ ﺴﻴﻤﺎ ت ﻏﻴﺮ ﻣﻨ‬ ‫ﺘﻈﻢ‬ ‫ﺘﻢ ﻗﻴﺎس ﻣ ﺴﺎﺣ ﺔﺳﻄﺢ اﻟﺠ ﺴﻴﻢ ﻏﻴﺮ اﻟﻤﻨ‬ ‫ﻳ‬ ‫ﺜﺮ ﺷﻴﻮﻋً ﺎ ﻫ ﻲ ‪Teller‬‬ ‫ﺘﻘﻨﻴ ﺔ اﻷﻛ‬ ‫ﺘﺨﺪام ﻋﺪد ﻣﻦ اﻷﺳﺎﻟﻴ ﺐ‪ ،‬ﻓﺈن اﻟ‬ ‫ﺑﺎﺳ‬ ‫‪Brunarer-Emmett-‬أو‬ ‫ﺘ ﻲﺗﻘﻴ ﺲ ﻣ ﺴﺎﺣ ﺔ اﻟ ﺴﻄﺢ اﻟﻨﻮﻋﻴ ﺔ ﻣﻦ ﺧﻼل ﺣﺠﻢ‬ ‫ﻃﺮﻳﻘ ﺔ ‪BET‬اﻟ‬ ‫ﺘﻠ ﺔ وﺣﺪة ﻣﻦ‬ ‫ﺒﻘ ﺔ أﺣﺎدﻳ ﺔ اﻟﺠﺰيء ﻋﲆﺳﻄﺢ ﻛ‬ ‫ﺘﺺ ﻛﻄ‬ ‫ﺘﺮوﺟﻴﻦ اﻟﻤﻤ‬ ‫اﻟﻨﻴ‬ ‫ﺘﺰاز اﻟﻐﺎزي(‬ ‫اﻟﻤ ﺴﺤﻮق )ﻃﺮﻳﻘ ﺔ اﻻﻣ‬ ‫‪Machine Translated by Google‬‬ ‫ﻃﺮﻳﻘ ﺔ اﻟﺮ ﻫﺎن‬ ‫ﺒﺌ ﺔ اﻟﻤ ﺴﺤﻮق ﻓ ﻲ ﻓﺮاغ‪-‬‬ ‫ﺘﻢﺗﻌ‬ ‫ﻳ‬ ‫ﻏﺮﻓ ﺔ ﻣﻐﻠﻘ ﺔ‬ ‫ﺘﺮوﺟﻴﻦ‬ ‫ﻛﻤﻴﺎ ت ﺻﻐﻴﺮة ﻣﻦ ﻏﺎز اﻟﻨﻴ‬ ‫ﺘﻬﺎ إﱃ اﻟﻐﺮﻓ ﺔ‬ ‫ﺗﻤ ﺖ إﺿﺎﻓ‬ ‫ﺘﺮوﺟﻴﻦ‬ ‫ﺘﺺ ﺟﺰﻳﺌﺎ ت اﻟﻨﻴ‬ ‫ﺗﻤ‬ ‫ﺘﻢﺗﻐﻄﻴ ﺔ اﻟ ﺴﻄﺢ‬ ‫ﺘﻰﻳ‬ ‫إﱃﺳﻄﺢ اﻟﻤ ﺴﺤﻮق ﺣ‬ ‫ﺘ ﻲﻳﻤﻜﻦ‬ ‫ﺑﻤﺎ ﻓ ﻲ ذﻟﻚ ﺟﻤﻴﻊ اﻟﻤ ﺴﺎم اﻟ‬ ‫ﺑﺎﻟﻜﺎﻣﻞ )‬ ‫اﻟﻮﺻﻮل إﻟﻴﻬﺎ(‬ ‫ﺘﺸﻌﺮ‬ ‫ﻣﺤﻮﻻ ت اﻟﻀﻐﻂﺗ ﺴ‬ ‫ﺘﺼ ﺔ ﻣﻦ‬ ‫ﻛﻤﻴ ﺔ اﻟﻐﺎز اﻟﻤﻤ‬ ‫ﺘ ﻲﻳﻤﻜﻦ أنﺗﻜﻮن ﻣ ﺴﺎﺣ ﺔ اﻟ ﺴﻄﺢ‬ ‫واﻟ‬ ‫ﻣﺤ ﺴﻮ ب‬ ‫‪Machine Translated by Google‬‬ ‫ﺒﻮدرة‬ ‫ﺛﻴﺮ اﻟﺪواﺋ ﻲ ﻟﻠ‬ ‫ﺘﺄ‬ ‫اﻟ‬ ‫ﻣ ﺴﺎﺣ ﺔ اﻟ ﺴﻄﺢ‬ ‫ﺒﺮ إﱃ زﻳﺎدة‬ ‫ﺗﺆدي اﻟﻤ ﺴﺎﺣ ﺔ اﻟ ﺴﻄﺤﻴ ﺔ اﻷﻛ‬ ‫‪GF (6.15‬م‪/2‬ﺟﻢ(‬ ‫ﺑﺎن‬ ‫ﻓ ﻲ ﻣﻌﺪل اﻟﺬو‬ ‫ﺒﻴﻮﻟﻮﺟ ﻲ‪.‬‬ ‫ﺘﻮاﻓﺮ اﻟ‬ ‫ﺗﺤ ﺴﻴﻦ اﻟ‬ ‫و‬ ‫‪GF (0.87‬م‪/2‬ﺟﻢ(‬ ‫ﺜﻠ ﺔ‪:‬‬ ‫أﻣ‬ ‫نيفلوفوزيرج‬ ‫نيسكوجيد‬ ‫ﺒ ﺲ ﻣﻦ ‪Reverchon et al. J Pharm & Pharmacol (2004) 56:1379-87‬‬ ‫ﺘ‬‫ﻣﻘ‬

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