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Concept of entropyIncreasesEnthalpyTotal entropyMaximum entropyShannonThermodynamicEquilibriumEntropicMacroscopicProcessesTemperatureSpontaneousPhysicsObeseStateComplexityEconomicsIsolated systemDisorderTimeMeasureThermodynamicsIncreaseEnergyFluctuationsProbabilityPotentiallyEfficiencyUniverseExplainsBeneficialProteinOrderEvolutionDataFieldTermsSystemsMethodsFunctionResultWorkHeatGlobalNegativeProduction
Concept of entropy3
  • This description has been identified as a universal definition of the concept of entropy. (wikipedia.org)
  • The concept of entropy 'S' is needed to understand efficiencies. (northcoastjournal.com)
  • It has been conjectured that there is an analogy to the concept of entropy in statistical mechanics. (lu.se)
Increases7
  • The thought seems to be that entropy decreases here but somehow increases somewhere where we can't see it. (uncommondescent.com)
  • Entropy increases on its own, so energy is required to bring back order. (sciforums.com)
  • As the universe continues to expand, entropy increases until everything we know is gone. (listverse.com)
  • And he can only do that if he either starts at a low entropy that then increases, or brings along an infinite reservoir of low entropy. (blogspot.com)
  • The second Law of thermodynamics is that entropy increases. (warwick.ac.uk)
  • When steam condenses to water, the surrounding temperature (1) decreases, (2) increases, (3) remains the same. (quizlet.com)
  • In particular, we find that the Shannon entropy is not a decreasing function of developmental pseudo-time but instead it increases towards the time point of commitment before decreasing again. (lu.se)
Enthalpy1
Total entropy3
  • The total entropy never decreases, and the second law is well and fine. (blogspot.com)
  • The Boltzmann definition derived from probability theory is given on the left, whereas the expression on the right is of the second law of thermodynamics, which states that the total entropy of an system will not decrease other than by increasing the entropy of some other system. (warwick.ac.uk)
  • The second law of thermodynamics states that the total entropy of an isolated system will always increase over time. (physicsforums.com)
Maximum entropy3
  • Once you've reached this state of maximum entropy, nothing happens any more, except for fluctuations. (blogspot.com)
  • Mapping yearly fine resolution global surface ozone through the Bayesian Maximum Entropy data fusion of observations and model output for 1990-2017. (cdc.gov)
  • As ozone observations are sparse in many populated regions, we use a novel combination of the M3Fusion and Bayesian Maximum Entropy (BME) methods. (cdc.gov)
Shannon8
  • Upon John von Neumann's suggestion, Shannon named this entity of missing information in analogous manner to its use in statistical mechanics as entropy, and gave birth to the field of information theory. (wikipedia.org)
  • We make this metaphor precise by constructing a simple example of pheromone-based coordination, defining a way to measure the Shannon entropy at the macro (agent) and micro (pheromone) levels, and exhibiting an entropybased view of the coordination. (uncommondescent.com)
  • Neither their definition of entropy, nor their definition of information (Shannon, etc) work. (uncommondescent.com)
  • In order to assess these predictions, we compute the Shannon entropy for time- resolved single-cell gene expression data in two different experimental set-ups of haematopoietic differentiation. (lu.se)
  • It was established that Shannon, Renyi and Tsallis Entropies and the Higuchi and Katz's fractal dimensions could significantly discriminate the two groups. (bvsalud.org)
  • In this study we enforce five based on entropy: Approximate 18 , Sample 19,20 , Shannon 21 , Renyi 22,23 and Tsallis 24 Entropies and then, the Detrended Fluctuation Analysis (DFA) 25 . (bvsalud.org)
  • Shannon Entropy 21 is a measure of lack of knowledge. (bvsalud.org)
  • In contrast to Tsallis and Renyi entropies (discussed next), Shannon entropy is additive. (bvsalud.org)
Thermodynamic4
  • As a result, isolated systems evolve toward thermodynamic equilibrium, where the entropy is highest. (wikipedia.org)
  • Boltzmann derived a relation between thermodynamic probability and entropy. (tutorialspoint.com)
  • It works as a proportionality factor between macroscopic quantity entropy and microscopic quantity thermodynamic probability. (tutorialspoint.com)
  • Entropy is a macroscopic property of a thermodynamic system which measures the microscopic disorder. (warwick.ac.uk)
Equilibrium2
  • Imagine the above box is filled with a gas, and the gas is at a low temperature on side A and at a higher temperature on side B. The second law of thermodynamics says that if you open a window in the dividing wall, the temperatures will come to an average equilibrium value, and in this process entropy is maximized. (blogspot.com)
  • This means the temperatures are not in equilibrium anymore and entropy has decreased. (blogspot.com)
Entropic1
  • Inextensible chain models describe entropic elasticity, where e.g. the chain entropy decreases as the chain is lengthened. (imechanica.org)
Macroscopic1
  • Austrian physicist Ludwig Boltzmann explained entropy as the measure of the number of possible microscopic arrangements or states of individual atoms and molecules of a system that comply with the macroscopic condition of the system. (wikipedia.org)
Processes3
  • This paradox has been explained in terms of a coupling between the macro level that hosts self-organization (and an apparent reduction in entropy), and the micro level (where random processes greatly increase entropy). (uncommondescent.com)
  • It has been reasoned and thus proven here that destruction of entropy, i.e., violation of the Second Law, is against the forced tendency of natural processes and thus impossible, leaving ' No Hope ' for the challengers. (google.com)
  • In other words, there is a finite probability of observing processes that decrease, rather than increase, the entropy. (warwick.ac.uk)
Temperature2
  • If an effort is made to decrease downstream pressure further, the velocity, pressure, temperature and density remain constant at the end of the pipe corresponding to Mach 1 conditions. (cheresources.com)
  • Removing Q at temperature 'T' (in Kelvins) causes a local S decrease of Q/T. That decrease in S must be compensated by S gained as heat q enters the cool reservoir at temperature t: For no change in total S, Q/T = q/t. (northcoastjournal.com)
Spontaneous1
  • Entropy is central to the second law of thermodynamics, which states that the entropy of an isolated system left to spontaneous evolution cannot decrease with time. (wikipedia.org)
Physics2
  • One of the most important principles in physics is that of the second law of thermodynamics which states that the the entropy of the system cannot decrease over time 11 . (nature.com)
  • And people who claim this are either: (i) deluded that physics entropy = biology entropy, or (ii) equivocating on the use of the word "entropy", or (iii) unable to handle basic math, or most likely, (iv) all the above. (uncommondescent.com)
Obese1
  • As with chaotic globals an increase in response was detected by three measures of entropy in young obese. (bvsalud.org)
State6
  • Entropy within a cell refers to a state of inner instability secondary to different energies provided by the different molecular components. (knowswhy.com)
  • Entropy is a scientific concept that is most commonly associated with a state of disorder, randomness, or uncertainty. (wikipedia.org)
  • Francis was speaking about how the universe started out in a state of low entropy. (freethoughtblogs.com)
  • Entropy production can be negative in cases where a system is moving towards a state of lower entropy, such as when energy is transferred from a hotter object to a colder one. (physicsforums.com)
  • For time to reverse everything in the universe would have to revert to a previous state, entropy would need to decrease. (scienceforums.net)
  • In this context, in the undifferentiated state, the entropy would be large since fewer constraints exist on the gene expression programmes of the cell. (lu.se)
Complexity2
  • We apply measures proposed recently to study rank dynamics, such as the diversity of N -grams in a given rank, the probability that an N -gram changes rank between successive time intervals, the rank entropy, and the rank complexity. (frontiersin.org)
  • Another example is a living organism, which can maintain a high level of order and complexity by continuously taking in energy and producing waste products with lower entropy. (physicsforums.com)
Economics1
  • Information entropy, as a measure of system signal confusion, has been successfully applied to agronomy, ecology, economics, and other disciplines [ 21 - 24 ]. (hindawi.com)
Isolated system2
  • From this model an isolated system representation can be formulated in respect to the changes in the entropy values across all variables of the system over simulation time. (nature.com)
  • As a result the simulation respects the second law of thermodynamics and provides insight into political polarization as a basin of entropy within an isolated system without making assumptions about external activities. (nature.com)
Disorder1
  • Entropy production is a measure of the amount of disorder or randomness in a system. (physicsforums.com)
Time3
  • Such work helps establish that social system models can be designed to respect the arrow of time since a decrease produces the Gibbs paradox due to an incomplete system definition 26 , 27 , 28 . (nature.com)
  • The quality of energy decreases over time due to entropy. (edutopia.org)
  • BME is then used to integrate observations, such that estimates match observations at each monitoring site with the observational influence decreasing smoothly across space and time until the output matches the multimodel composite. (cdc.gov)
Measure1
  • We find that the behaviour of this entropy measure is in contrast to these predictions. (lu.se)
Thermodynamics1
Increase6
  • It is shown that a constant entropy value for the system can be calculated so that as the agents coalesce their opinions, the entropy trace in regards to political engagements decreases as the entropy value across non-political engagements increase. (nature.com)
  • Metaphorically, the micro level serves as an entropy "sink," permitting overall system entropy to increase while sequestering this increase from the interactions where selforganization is desired. (uncommondescent.com)
  • Use the controls in the far right panel to increase or decrease the number of terms automatically displayed (or to completely turn that feature off). (skepticalscience.com)
  • This decrease in entropy can be offset by an increase in entropy production elsewhere in the system. (physicsforums.com)
  • Negative entropy production is consistent with the second law as it can still contribute to an overall increase in entropy. (physicsforums.com)
  • If the energy is oscillating, increase it (up to 2.0 maximum), if it is converging, but very slowly, you may decrease it (or increase $scfiterlimit). (lu.se)
Energy7
  • By simply taking out the hydrogen, molecule, cell entropy or the energy within the cell is said to be decreased resulting to more cellular stability. (knowswhy.com)
  • When the water component is removed, then there will be less molecular energy and therefore decreased entropy. (knowswhy.com)
  • These reactions seem to have some amazing properties that violate the way generally nature works, because as we know, nature tends to simplify things by increasing entropy and moving toward lower energy states. (sciforums.com)
  • First, based on the modal strain energy damage identification index, combined with information entropy and data fusion theory, a fusion entropy index (FE) and an entropy weight fusion index (EWF) are constructed. (hindawi.com)
  • Based on the theory of modal strain energy and combining advantages of information entropy and Bayesian fusion theory in data processing, a damage identification method combining information entropy and Bayesian data fusion is proposed in this paper. (hindawi.com)
  • Within a closed system (the universe), usable energy is constantly decreasing (the law of entropy). (policyalternatives.ca)
  • Since all objects emit energy to their surroundings, why don't the temperatures of all objects continuously decrease? (quizlet.com)
Fluctuations1
  • We tried to estimate this entropy with methods based on fluctuations of interaction energies. (lu.se)
Probability1
  • It is interesting to note that his famous equation which connects the entropy with probability is written in his grave in Vienna. (tutorialspoint.com)
Potentially1
  • Our previous study developed an entropy-based com- potentially alter virulence in the human population. (cdc.gov)
Efficiency1
  • For example, in a power plant, negative entropy production can occur when heat is lost to the environment, resulting in a decrease in the efficiency of the plant. (physicsforums.com)
Universe4
Explains1
Beneficial2
Protein1
  • This entropy largely stems from the fluctuation of the protein and ligand. (lu.se)
Order1
Evolution1
Data1
  • When processing signals, information entropy theory and data fusion theory have their own advantages. (hindawi.com)
Field1
  • Currently, the information entropy theory in engineering field is mainly applied to mechanical failure, surrounding rock stability, dam safety, and so on, but there is little research on bridge structure damage identification. (hindawi.com)
Terms1
  • I don't know why, but I've never really considered entropy on a granular level, in terms of my personal challenges and triumphs. (sciforums.com)
Systems1
Methods1
  • We also saw how a combination of theoretical and experimental methods can shed light on phenomena like entropy-entropy compensation and halogen bonding. (lu.se)
Function1
Result1
  • The good thing about dehydration reactions is that it does not only result to decreased entropy but it can also be reversed in some cases. (knowswhy.com)
Work2
  • The work presented here looks at a simple model of political polarization amongst agents which influence their immediate locality and how a entropy trace of the political discourse can be produced. (nature.com)
  • So, entropy is at work, when I'm experiencing trials and tribulations. (sciforums.com)
Heat1
  • One example is a refrigerator, where heat is transferred from a colder space (inside the fridge) to a hotter space (outside the fridge), resulting in a decrease in entropy in the fridge. (physicsforums.com)
Global1
  • Global ozone exposure is estimated to be increasing, driven by highly populated regions of Asia and Africa, despite decreases in the United States and Russia. (cdc.gov)
Negative2
Production1