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The concept of diffusion is widely used in many fields, including physics (particle diffusion), chemistry, biology, sociology, economics, statistics, data science, and finance (diffusion of people, ideas, data and price values). The central idea of diffusion, however, is common to all of these: a substance or collection undergoing diffusion ...
A greenhouse is an enclosure for plants with a glazed roof and wall(s) that allow the plants to make use of natural sunlight. A conservatory is a room of a house or of another building, with a glazed roof and wall(s) that combines growing space for plants with a sitting room or dining area for people. Some conservatories also house animals such ...
In large, formal homes, a sitting room is often a small private living area adjacent to a bedroom, such as the Queens' Sitting Room and the Lincoln Sitting Room of the White House. [ 4 ] In the late 19th or early 20th century, Edward Bok advocated using the term living room for the room then commonly called a parlo[u]r or drawing room , and is ...
Typically, an aquascape houses fish as well as plants, although it is possible to create an aquascape with plants only, or with rockwork or other hardscape and no plants. Aquascaping appears to have begun to be a popular hobby in the 1930s in the Netherlands, following the introduction of the Dutch-style aquascaping techniques.
Gas exchange is the physical process by which gases move passively by diffusion across a surface. For example, this surface might be the air/water interface of a water body, the surface of a gas bubble in a liquid, a gas-permeable membrane, or a biological membrane that forms the boundary between an organism and its extracellular environment.
Marine life, sea life or ocean life is the collective ecological communities that encompass all aquatic animals, plants, algae, fungi, protists, single-celled microorganisms and associated viruses living in the saline water of marine habitats, either the sea water of marginal seas and oceans, or the brackish water of coastal wetlands, lagoons ...
Some plants appear not to load phloem by active transport. In these cases, a mechanism known as the polymer trap mechanism was proposed by Robert Turgeon . [ 5 ] In this model, small sugars such as sucrose move into intermediary cells through narrow plasmodesmata, where they are polymerised to raffinose and other larger oligosaccharides .
Diffusion, in architectural acoustics, is the spreading of sound energy evenly in a given environment. A perfectly diffusive sound space is one in which the reverberation time is the same at any listening position. Most interior spaces are non-diffusive; the reverberation time is considerably different around the room.