Chapter Outline Diffusion - how do atoms move through solids? Diffusion mechanisms Vacancy diffusion Interstitial diffusion Impurities The mathematics of diffusion Steady-state…
1.Assignment onMathematical models used in drug release studies By Sajan Maharjan M. Pharm (1st Sem.)Submitted to: Dr. Panna Thapa Department of Pharmacy Kathmandu University…
Microelectronics Technology Dopant Diffusion DOPANT DIFFUSION To form source and drain regions in MOS devices and also to dope poly-Si gate material. Used to form base regions,…
Slide 1 Chapter 5 – The Plasma Membrane and Transport Slide 2 State Standard Standard 1.a. – Cells are enclosed within semi- permeable membranes that regulate their interaction…
Slide 1 Movement of substance Diffusion Slide 2 What is diffusion? Imagine that you are sitting in the living room reading a book. Your sister accidently spills a bottle…
Slide 1 Slide 2 Diffusion and Osmosis Slide 3 Diffusion Particles in a liquid or gas spread out… … from regions of high concentration… … to regions of low concentration……
Slide 1 Plant nutrition Slide 2 Plant Nutrition 1. What is meant by “plant nutrition” 2. The chemical elements required by plants 3. How plants take up mineral elements…
Slide 1 Slide 2 Membrane Transport Chapter 6 Slide 3 Cells Need to Exchange Materials with the Extracellular Fluid Take in nutrients –O2–O2 –energy substrates –building…