Concentration على منصة باز

#concentration

8 منشور

Diffusion is the process by which individual molecules of a substance move from an area of high concentration to an area of low concentration due to random molecular motion, driven by a concentration gradient.Diffusion holds significant importance in pharmaceutical operations. Additionally, it serves as a crucial component in a wide range of applications. These include aiding drug release from various delivery systems, facilitating drug absorption and elimination processes within the body. Furthermore, diffusion plays an essential role in procedures like dialysis, osmosis, and ultrafiltration, which are indispensable in medical treatments and research.To see full artical visit our website:https://pharmatech-rx.com/diffusion/

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أسئلة قد تهمك

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حسن محمود منذ شهران

The Israelis are worse than the Nazis, Netanyahu is worse than Hitler , and what is happening in Gaza is worse than what happened in the Holocaust and concentration camps , but the difference is that the West supports a brutal, barbaric killer criminal and a barbaric state against defenseless people in Palestine

معلـ𓂆ـومة طبـ𓂆ـيه المشرف

محمد عماره • منذ 3 شهور

تابع شرح تحليل CBC * ﺍﻧﺨﻔﺎﺽ ﻋﺪﺩ ﺍﻟﺼﻔﺎﺡ ﺍﻟﺪﻣﻮﻳﺔ ﻳﻌﺮﻑ ﺑـ thrombocytopenia- ﻫﺬﺍ ﺍﻟﻨﻘﺺ ﻓﻲ ﻋﺪﺩ ﺍﻟﺼﻔﺎﺋﺢ ﺍﻟﺪﻣﻮﻳﺔ ﻳﺴﺒﺐ ﺍﻟﻘﺎﺑﻠﻴﺔ ﻟﻠﻨﺰﻑ ﻭﻳﺤﺪﺙ ﻫﺬﺍ ﺍﻟﻨﻘﺺ ﻧﺘﻴﺠﺔﻟﻌﺪﺩ ﻣﻦ ﺍﻻﺳﺒﺎﺏ ﺃﻫﻤﻬﺎ :-1 ﺃﺳﺒﺎﺏ ﺃﻭﻟﻴﺔ ﺃﻭ ﻣﺎﻳﺴﻤﻰ ... Idiopathic thromcocytopenia PupuraI.T.P ﻭﻫﻲ ﺃﺳﺒﺎﺏ ﻏﻴﺮ ﻣﻌﺮﻭﻓﺔ.-2 ﺛﺎﻧﻮﻱ ﻭﻫﺬﺍ ﻧﺎﺗﺞ ﻋﻦ ﺍﻻﺻﺎﺑﺔ ﺑﺒﻌﺾ ﺍﻻﻣﺮﺍﺽ ﻣﺜﻞ ‏( ﺍﻟﻌﺪﻭﻯ ﺍﻟﻤﺰﻣﻨﺔ / ﺍﻟﺴﺮﻃﺎﻥ /ﺍﻟﺘﻀﺨﻢ ﻓﻲ ﺍﻟﻄﺤﺎﻝ / ﺍﻣﺮﺍﺽ ﺍﻟﻜﺒﺪ/ ﺗﻨﺎﻭﻝ ﺑﻌﺾ ﺍﻻﺩﻭﻳﺔ ﺍﻟﺘﻲ ﺗﺜﺒﻂ ﻧﺸﺎﻁ ﺍﻟﻨﺨﺎﻉﺍﻟﻌﻈﻤﻲ .. ﺃﻟﺦ ‏)-3 ﺃﺳﺒﺎﺏ ﺍﺧﺮﻯ ﻣﺜﻞ ‏( ﺍﻻﻃﻔﺎﻝ ﺣﺪﻳﺜﻲ ﺍﻟﻮﻻﺩﺓ / ﻋﺪﻡ ﺗﻨﺎﻭﻝ ﻛﻤﻴﺎﺕ ﻛﺎﻓﻴﺔ ﻣﻦ ﺍﻟﻌﻨﺎﺻﺮﺍﻟﻬﺎﻣﺔ ﻓﻲ ﺗﺼﻨﻴﻊ ﺍﻟﺪﻡ ﻣﺜﻞ ﻓﻴﺘﺎﻣﻴﻦ B12 ﻭﺣﺎﻣﺾ ﺍﻟﻔﻮﻟﻴﻚ Folic acid-4 ﻗﻴﺎﺱ ﺗﺮﻛﻴﺰ ﺍﻟﻬﻴﻤﻮﺟﻠﻮﺑﻴﻦ Hb :ﺍﻟﺰﻳﺎﺩﺓ ﺃﻭ ﺍﻟﻨﻘﺼﺎﻥ ﻓﻲ ﺗﺮﻛﻴﺰ ﺍﻟﻬﻴﻤﻮﺟﻠﻮﺑﻴﻦ ﻳﺴﺠﻞ ﻋﻼﻣﺔ ﺃﻭ ﻣﺆﺷﺮ ﻟﻮﺟﻮﺩ ﻣﺮﺽ ﻳﺤﺘﺎﺝ ﺇﻟﻰﻓﺤﺼﻮﺍﺕ ﺃﻛﺜﺮ.* ﻳﺤﺪﺙ ﺍﻧﺨﻔﺎﺽ ﻟﻠﻬﻴﻤﻮﺟﻠﻮﺑﻴﻦ ﻋﻦ ﺍﻟﻤﻌﺪﻝ ﺍﻟﻄﺒﻴﻌﻲ ﻓﻲ ‏( ﺣﺎﻻﺕ ﻓﻘﺮ ﺍﻟﺪﻡ ﺍﻟﻤﺘﻌﺪﺩﺓAnaemia / ﺍﺛﻨﺎﺀ ﻓﺘﺮﺓ ﺍﻟﺤﻤﻞ ‏).* ﺍﻟﺰﻳﺎﺩﺓ ﻓﻲ ﺗﺮﻛﻴﺰ ﺍﻟﻬﻴﻤﻮﺟﻠﻮﺑﻴﻦ ﻋﻦ ﺍﻟﻤﻌﺪﻝ ﺍﻟﻄﺒﻴﻌﻲ ﺗﺤﺪﺙ ﻓﻲ ﺣﺎﻟﺔ ﻣﺮﺽ ﺍﺣﻤﺮﺍﺭ ﺍﻟﺪﻡ‏( ﺍﻟﺰﻳﺎﺩ ﻓﻲ ﻋﺪﺩ ﻛﺮﻳﺎﺕ ﺍﻟﺪﻡ ﺍﻟﺤﻤﺮﺍﺀ Polycythaemia ).-5 ﻗﻴﺎﺱ ﻧﺴﺒﺔ ﺍﻟﻬﻴﻤﺎﺗﻮﻛﺮﻳﺖ PCV .. Packed Cell Volume /Haematocrit .. HCT- ﻭﻫﻮ ﻋﺒﺎﺭﺓ ﻋﻦ ﺣﺠﻢ ﻛﻤﻴﺔ ﻣﻦ ﻛﺮﻳﺎﺕ ﺍﻟﺪﻡ ﺍﻟﺤﻤﺮﺍﺀ ﺑﻌﺪ ﻋﻤﻠﻴﺔ ﺍﻟﻄﺮﺩ ﺍﻟﻤﺮﻛﺰﻱ ﻟﻬﺎ ﻣﻌﺒﺮﺍًﻋﻨﻪ ﺑﺎﻟﻨﺴﺒﺔ ﺍﻟﻤﺌﻮﻳﺔ ﻟﺤﺠﻢ ﺍﻟﺪﻡ ﺍﻟﻜﻠﻲ , ﻭﻳﻌﺘﺒﺮ ﺍﻟﻬﻴﻤﺎﺗﻮﻛﺮﻳﺖ ﻟﻴﺲ ﻣﻜﻮﻥ ﻣﻦ ﻣﻜﻮﻧﺎﺕ ﺍﻟﺪﻡﻣﺜﻞ ﻛﺮﻳﺎﺕ ﺍﻟﺪﻡ ﺍﻟﺤﻤﺮﺍﺀ ﺃﻭ ﺍﻟﻬﻴﻤﻮﺟﻠﻮﺑﻴﻦ.- ﻟﻠﻬﻴﻤﺎﺗﻮﻛﺮﻳﺖ ﻋﻼﻗﺔ ﻛﺒﻴﺮﺓ ﺑﻨﺘﺎﺋﺞ ﻛﺮﻳﺎﺕ ﺍﻟﺪﻡ ﺍﻟﺤﻤﺮﺍﺀ ﻭﺍﻟﻬﻴﻤﻮﺟﻠﻮﺑﻴﻦ.- ﻗﻴﻤﺔ ﺍﻟﻬﻴﻤﺎﺗﻮﻛﺮﻳﺖ ﺗﺴﺘﻌﻤﻞ ﺃﻳﻀﺎً ﻓﻲ ﺗﺤﺪﻳﺪ ﺑﻌﺾ ﻣﺆﺷﺮﺍﺕ ﻛﺮﻳﺎﺕ ﺍﻟﺪﻡ ﺍﻟﺤﻤﺮﺍﺀ ﻣﺜﻞ‏( MCV / MCHC ‏).* ﺯﻳﺎﺩﺓ ﻣﻌﺪﻝ ﺍﻟﻬﻴﻤﺎﺗﻮﻛﺮﻳﺖ ﻣﺆﺷﺮ ﻋﻠﻰ ﻛﻞ ﻣﻦ :-1 ﺍﺣﻤﺮﺍﺭ ﺍﻟﺪﻡ .. Polycythaemia.-2 ﺍﻣﺮﺍﺽ ﺍﻟﻘﻠﺐ .. Heart disease / ﻭﺃﻣﺮﺍﺽ ﺍﻟﺮﺋﺔ .. Lung disease.-3 ﺣﺎﻻﺕ ﺍﻟﺠﻔﺎﻑ Dehyadration.-4 ﺣﺎﻻﺕ ﺍﻟﺤﺮﻭﻕ .Burns ..* ﺍﻧﺨﻔﺎﺽ ﻣﻌﺪﻝ ﺍﻟﻬﻴﻤﺎﺗﻮﻛﺮﻳﺖ ﻣﺆﺷﺮ ﻋﻠﻰ ‏(ﻓﻘﺮ ﺍﻟﺪﻡ / ﺍﻟﺤﻤﻞ / ﺳﺮﻃﺎﻥ ﺍﻟﺪﻡ ‏) .-6 ﻣﺘﻮﺳﻂ ﻭﺯﻥ ﻫﻴﻤﻮﺟﻠﻮﺑﻴﻦ ﻛﺮﻳﺔ ﺍﻟﺪﻡ ﺍﻟﺤﻤﺮﺍﺀ Mean CorpuscularHaemoglobin .. MCH :- ﻳﻌﺒﺮ ﺍﻟـ MCH ﻋﻦ ﻣﻌﺪﻝ ﻭﺯﻥ ‏( ﻛﻤﻴﺔ ‏) ﺍﻟﻬﻴﻤﻮﺟﻠﻮﺑﻴﻦ ﻓﻲ ﻛﺮﻳﺔ ﺍﻟﺪﻡ ﺍﻟﺤﻤﺮﺍﺀ ﻭﻫﻮ ﻣﻬﻢﻓﻲ ﺗﺸﺨﻴﺺ ﺑﻌﺾ ﺍﻧﻮﺍﻉ ﻓﻘﺮ ﺍﻟﺪﻡ.* ﻧﻘﺼﺎﻥ ﻗﻴﻤﺔ ﺍﻟـ MCH ﻳﻌﻨﻲ ﻧﻘﺼﺎﻥ ﻛﻤﻴﺔ ﺍﻟﻬﻴﻤﻮﺟﻠﻮﺑﻴﻦ ﻓﻲ ﺍﻟﻜﺮﻳﺔ.-7 ﻣﺘﻮﺳﻂ ﺗﺮﻛﻴﺰ ﺍﻟﻬﻴﻤﻮﺟﻠﻮﺑﻴﻦ ﻓﻲ ﻛﺮﻳﺎﺕ ﺍﻟﺪﻡ ﺍﻟﺤﻤﺮﺍﺀ .. Mean CorpuscularHaemoglobin concentration ..MCHC :- ﻳﻌﺒﺮ ﺍﻟـ MCHC ﻋﻦ ﻣﻌﺪﻝ ﻧﺴﺒﺔ ﺗﺮﻛﻴﺰ ﺍﻟﻬﻴﻤﻮﺟﻠﻮﺑﻴﻦ ﻓﻲ ﻛﺮﻳﺎﺕ ﺍﻟﺪﻡ ﺍﻟﺤﻤﺮﺍﺀ.- ﻳﺴﺎﻋﺪ ﺍﻟـ MCHC ﻓﻲ ﺗﺸﺨﻴﺺ ﺍﻧﻮﺍﻉ ﻓﻘﺮ ﺍﻟﺪﻡ ﺍﻟﻤﺨﺘﻠﻔﺔ .* ﻧﻘﺺ ﺗﺮﻛﻴﺰ ﺍﻟـ MCHC ﻳﻌﺮﻑ ﺑـ Hypochromia ﻭﻧﺠﺪﻩ ﻓﻲ ﻓﻘﺮ ﺍﻟﺪﻡ ﺍﻟﻨﺎﺗﺞ ﻋﻦ ﻧﻘﺺﻓﻲ ﺍﻟﺤﺪﻳﺪ Iron deficiency anaemia.-8 ﻣﺘﻮﺳﻂ ﺣﺠﻢ ﺍﻟﻜﺮﻳﺔ Mean Cell Volume .. MCV :- ﻧﻘﺼﺎﻥ ﻣﺘﻮﺳﻂ ﺣﺠﻢ ﺍﻟﻜﺮﻳﺔ MCV ﻳﻌﻨﻲ ﺃﻥ ﺣﺠﻢ ﺍﻟﻜﺮﻳﺔ ﺍﻟﺤﻤﺮ

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Solitaire pidro منذ 4 شهور

Slt ...tu ss que votre esprit est comme l'eau... s'il s'agite, vous ne voyez rien mais si vous vous calmez et réfléchissez, vous pouvez voir la réponse.Il est essentiel de savoir toujours garder son sang-froid et sa concentration.Afin d’affronter chaque situation avec clarté et sérénité d’esprit.Beaucoup de craintes. Peu de certitudes. Beaucoup de courage, voire beaucoup. C'est ma force.Pour toujours.Bel après-midi