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  • Thumbnail for Gradient-index optics
    Graded-index materials are less constrained. An axial gradient lens has been used to concentrate sunlight onto solar cells, capturing as much as 90% of...
    14 KB (1,858 words) - 22:50, 7 December 2023
  • mechanism system is a mechanism that expends energy to create a concentration gradient. It is found widely in nature and especially in mammalian organs. For example...
    6 KB (813 words) - 18:29, 9 November 2023
  • The serum-ascites albumin gradient or gap (SAAG) is a calculation used in medicine to help determine the cause of ascites. The SAAG may be a better discriminant...
    4 KB (480 words) - 01:24, 10 August 2024
  • concentration to a region of higher concentration—against the concentration gradient. Active transport requires cellular energy to achieve this movement. There...
    32 KB (3,832 words) - 09:38, 20 August 2024
  • Thumbnail for Fracking
    Fracking (redirect from Fracture gradient)
    perforations), to exceed that of the fracture gradient (pressure gradient) of the rock. The fracture gradient is defined as pressure increase per unit of...
    153 KB (15,859 words) - 19:54, 14 August 2024
  • the process of gradually concentrating the urea). The active transport pumps need only to overcome a constant and low gradient of concentration, because...
    39 KB (5,128 words) - 17:44, 14 July 2024
  • Thumbnail for Luminescent solar concentrator
    solar concentrator (LSC) is a device for concentrating radiation, solar radiation in particular, to produce electricity. Luminescent solar concentrators operate...
    21 KB (2,409 words) - 05:24, 15 April 2024
  • Force concentration is the practice of concentrating a military force so as to bring to bear such overwhelming force against a portion of an enemy force...
    18 KB (2,697 words) - 04:04, 17 December 2023
  • seawater reverse-osmosis desalination plants Silt density index Salinity gradient Milli-Q water Water pollution Water quality Warsinger, David M.; Tow, Emily...
    45 KB (5,490 words) - 20:37, 3 July 2024
  • Thumbnail for Solar pond
    solar thermal energy. The saltwater naturally forms a vertical salinity gradient also known as a "halocline", in which low-salinity water floats on top...
    7 KB (930 words) - 06:46, 12 November 2023
  • Thumbnail for Loop of Henle
    the greater the osmotic gradient. Thus, longer loops would allow for steeper gradients and greater capacity to concentrate urine. Through the countercurrent...
    12 KB (1,586 words) - 23:58, 2 April 2024
  • medullary gradient in the kidney. This stops the loop of Henle from concentrating urine, which usually uses the high osmotic and solute gradient to transport...
    5 KB (604 words) - 02:10, 25 July 2023
  • Thumbnail for Isoelectric focusing
    immobilized pH gradient (IPG) gels. IPGs are the acrylamide gel matrix co-polymerized with the pH gradient, which result in completely stable gradients except...
    9 KB (1,180 words) - 04:13, 22 August 2024
  • D_{WGAN}} has gradient 1 almost everywhere, while for GAN, ln ⁡ ( 1 − D ) {\displaystyle \ln(1-D)} has flat gradient in the middle, and steep gradient elsewhere...
    16 KB (2,884 words) - 11:21, 7 March 2024
  • Thumbnail for Mineral processing
    removing the gangue minerals, which results in a higher grade product (ore concentrate) and a waste stream (tailings). There are many different types of beneficiation...
    39 KB (5,424 words) - 06:23, 8 August 2024
  • Thumbnail for Solar-powered Stirling engine
    powered by a temperature gradient generated by the sun. Even though Stirling engines can run with a small temperature gradient, it is more efficient to...
    4 KB (547 words) - 11:07, 29 August 2024
  • to inferior tissue repair at the site of injury. Bone marrow aspirate concentrate (BMAC) has shown some benefits when grafted into the area following microtrauma...
    92 KB (12,680 words) - 08:26, 30 July 2024
  • Thumbnail for Ultracentrifuge
    dense substance in solution. Sucrose gradients are typically used for separation of cellular organelles. Gradients of caesium salts are used for separation...
    8 KB (916 words) - 21:52, 29 February 2024
  • Thumbnail for Ascending limb of loop of Henle
    enables the kidney to establish an osmotic gradient that is essential to the kidneys ability to concentrate the urine past isotonicity. K+ is passively...
    6 KB (672 words) - 08:28, 3 July 2024
  • diffusion dialysis by means of an electrical potential or concentration gradient, respectively, to selectively transport cationic and anionic species. When...
    4 KB (459 words) - 00:29, 16 May 2022
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