Diffusion

Oct 10, 2011

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What diffuses ?. Ideas. Wars / Conflicts. Dancing. Housing styles. Fashion. Technology. Sports. Gossip. Disease. Diffusion. The process by which a characteristic spreads from one place to another over time. Terms associated with Diffusion. Agent of Diffusion: method by which the innovation diffuses.

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Diffusion

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Diffusion

Diffusion. A passive process Movement molecules (food, wastes, or secretions) from areas of higher concentration to areas of lower concentration. Osmosis. Diffusion of water across a selectively permeable membrane from high concentration areas to low concentration areas.

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Diffusion

Diffusion. The process by which an idea or innovation is transmitted from one individual or group to another across space - Fellman. People move to a new area and take their culture with them – examples include- crops, culture, farming techniques, building styles Known as Relocation Diffusion.

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Diffusion:

“Living in the World”: Important Concepts, Part 2 …and other introductory info: Adapted fr . _A Message of Ancient Days_ Credit and Photo Credits at end. Diffusion:.

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Diffusion

Diffusion. Solutions. A solution is made up of two parts, the solute and the solvent . The solute (can be solid) dissolves in the solvent . A concentrated solution has a lot of solute dissolved in the solvent.

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Diffusion

Diffusion. Movement of Substances. Imagine that you are in this situation. Your mother broke a glass of perfume and you, who is studying in the same room, gradually begin to smell the scent of the perfume…. Diffusion.

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Diffusion

Diffusion. Most common type of passive transport. Diffusion – is the random movement of particles (atoms, ions, molecules) from a region of high concentration to low concentration, down a concentration gradient. Molecules diffuse down a concentration gradient.

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Diffusion:

Diffusion:. The Black Death in the 1300s. Ronald Wiltse September 2006. I. Introduction. A. Where we are : 1 We know the facts. I. Introduction. A. Where we are : 1 We know the facts. 2 We limit our concern to Europe. I. Introduction.

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Diffusion

Diffusion. Lectures on respiratory physiology. Swim bladder of a fish. Fick’s law of diffusion through a tissue sheet. Very thin blood-gas barrier. Electron micrograph of pulmonary capillary. High power view of blood-gas barrier. Fick’s law of diffusion through a tissue sheet.

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Diffusion

Diffusion. Diffusion : process by which an idea or innovation is transmitted from one group or individual to another Cultural Hearth : point of origin Carriers : those conditions that assist the transmission of ideas Barriers : any conditions that hinder the flow of people or information.

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Diffusion

How things get into cells: Principles of diffusion, osmosis, and the nature of biological membranes. Diffusion Movement of substances from an area of high concentration to an area of low concentration Depends on 2 nd law of thermodynamics Osmosis: special case of diffusion of water

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diffusion

diffusion. Definitions Examples. Definitions. Concentration: in solutions, this is how much solute is dissolved in a solvent High concentration: large amount of solute in a given amount of solvent (sugar in Sunny D)

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Diffusion

Diffusion. The spontaneous spreading of particles Rate of diffusion depends on the velocities and masses of the molecules. Effusion- the process by which a gas escapes from a small hole in a container. Two substances at the same temperature should have the same average kinetic energies.

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Diffusion

Diffusion. Diffusion means atoms moving and changing places . This happens in solids and liquids, exactly in the same way that an unpleasant smell moves from one part of a room to another even without wind, then dissipates after some time.

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Diffusion

Diffusion. Protein Mediated Diffusion integral membrane proteins transport proteins (transporters) diffusion through hydrophilic channels facilitated diffusion. Hydrophilic Channels. Fig. 3.8.

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Diffusion

Diffusion. Structural Bases of Social Network Diffusion Dynamic limitations on diffusion Implications / Applications in the diffusion of Innovations. Diffusion. Two factors that affect network diffusion: Topology - the shape, or form, of the network

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Diffusion

Diffusion. What is Engineering. What do these processes have in common? 1) Hydrogen embrittlement of pressure vessels in nuclear power plants 2) Flow of electrons through conductors 3) Dispersion of pollutants from smoke stacks 4) Transdermal drug delivery 5) Influenza epidemics

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Diffusion

Diffusion. LN #7. Stinkbombs. Why does the smell of a stinkbomb travel? Why does the smell eventually disappear? Why do smells linger longer in a small room than in a large room?. Diffusion. Molecules move from an area where there are many to an area where there are few.

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Diffusion

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Diffusion

Diffusion. What is diffusion?. Diffusion and concentration. Why can the student smell the sock from a distance?. The sock can be smelt because sweat and other molecules are moving away from it and spreading out in the air . This is called diffusion. Where is the smell strongest?.

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Diffusion

Diffusion. Vanderbilt Student Volunteers for Science Fall 2015 Training Presentation. Important. Please use this resource to reinforce your understanding of the lesson! Make sure you have read and understand the entire lesson prior to picking up the kit!

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Diffusion

Diffusion. The process of dissemination, the spread of an idea or innovation from its hearth to other areas. Barriers to diffusion. Physical barriers in nature: rivers, oceans, lakes, and mountain ranges. Cultural religious beliefs. language

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