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  • Nanotube nanomotor — A device generating linear or rotational motion using carbon nanotube(s) as the primary component, is termed a nanotube nanomotor. Nature already has some of the most efficient and powerful kinds of nanomotors. Some of these natural biological… …   Wikipedia

  • metabolism — /meuh tab euh liz euhm/, n. 1. Biol., Physiol. the sum of the physical and chemical processes in an organism by which its material substance is produced, maintained, and destroyed, and by which energy is made available. Cf. anabolism, catabolism …   Universalium

  • Microbial metabolism — is the means by which a microbe obtains the energy and nutrients (e.g. carbon) it needs to live and reproduce. Microbes use many different types of metabolic strategies and species can often be differentiated from each other based on metabolic… …   Wikipedia

  • Gauss–Newton algorithm — The Gauss–Newton algorithm is a method used to solve non linear least squares problems. It can be seen as a modification of Newton s method for finding a minimum of a function. Unlike Newton s method, the Gauss–Newton algorithm can only be used… …   Wikipedia

  • Non-linear least squares — is the form of least squares analysis which is used to fit a set of m observations with a model that is non linear in n unknown parameters (m > n). It is used in some forms of non linear regression. The basis of the method is to… …   Wikipedia

  • Light-dependent reactions — of photosynthesis at the thylakoid membrane See also: Light independent reactions The light dependent reactions , or light reactions, are the first stage of photosynthesis, the process by which plants capture and store energy from sunlight. In… …   Wikipedia

  • Least squares — The method of least squares is a standard approach to the approximate solution of overdetermined systems, i.e., sets of equations in which there are more equations than unknowns. Least squares means that the overall solution minimizes the sum of… …   Wikipedia

  • Linear least squares (mathematics) — This article is about the mathematics that underlie curve fitting using linear least squares. For statistical regression analysis using least squares, see linear regression. For linear regression on a single variable, see simple linear regression …   Wikipedia

  • Life Sciences — ▪ 2009 Introduction Zoology       In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… …   Universalium

  • ATP synthase subunit C — Pfam box Symbol = ATP synt C Name = width =250 caption =V type sodium ATPase from Enterococcus hirae . Calculated hydrocarbon boundaries of the lipid bilayer are shown by red and blue dots Pfam= PF00137 InterPro= IPR002379 SMART= Prosite =… …   Wikipedia

  • regeneration — /ri jen euh ray sheuhn/, n. 1. act of regenerating; state of being regenerated. 2. Electronics. a feedback process in which energy from the output of an amplifier is fed back to the grid circuit to reinforce the input. 3. Biol. the restoration or …   Universalium

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