Diffusion - Wikipedia
网页Diffusion is the net movement of anything (for example, atoms, ions, molecules, energy) generally from a region of higher concentration to a region of lower concentration. Diffusion is driven by a gradient in Gibbs free energy or chemical potential.
Diffusion - Definition, Examples and Types | Biology Dictionary
网页2019年10月4日 · Diffusion is a physical process that refers to the net movement of molecules from a region of high concentration to one of lower concentration. The material that diffuses could be a solid, liquid or gas.
What Is Diffusion? - Definition, Types & Examples Of Diffusion
网页“Diffusion is the movement of molecules from a region of higher concentration to a region of lower concentration down the concentration gradient.” Read on to explore what is diffusion and the different types of diffusion.
Diffusion | Definition & Examples | Britannica
网页Diffusion, process resulting from random motion of molecules by which there is a net flow of matter from a region of high concentration to a region of low concentration. A familiar example is the perfume of a flower that quickly permeates the still air of a room.
Diffusion: Definition and How Does it Occur (with Diagram)
网页2023年11月21日 · Diffusion is defined as the movement of atoms, ions, and molecules from a region of high concentration to a region of low concentration, or ‘down their concentration gradient ’. The word ‘diffusion’ is derived from the Latin word, ‘diffundere’, meaning ‘to spread out’. Diffusion. What Causes Diffusion and What Happens During the Process.
Diffusion - Definition and Examples - Biology Online Dictionary
网页2022年3月18日 · The net movement of oxygen and carbon dioxide across the alveolar-capillary membrane of mammalian lungs and the net movement of glucose down the concentration gradient are diffusion examples in biological systems.
What Is Diffusion? - ThoughtCo
网页2019年4月10日 · Diffusion is the tendency of molecules to spread into an available area. Learn about the different types of diffusion, passive, facilitated and osmosis.
5.6: Passive Transport - Diffusion - Biology LibreTexts
网页2023年10月31日 · Diffusion is a process of passive transport in which molecules move from an area of higher concentration to one of lower concentration.
2.13: Diffusion - Biology LibreTexts
网页Diffusion is the movement of molecules from an area of high concentration of the molecules to an area with a lower concentration. The difference in the concentrations of the molecules in the two areas is called the concentration gradient .
9: Diffusion - Chemistry LibreTexts
网页2023年2月13日 · Diffusion can be described as the random movement of particles through space, usually due to a concentration gradient. Diffusion is a spontaneous process and is a result of the random thermal motions …
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