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In mathematics, a reversible diffusion is a specific example of a reversible stochastic process. Reversible diffusions have an elegant characterization
Reversible_diffusion
Topics referred to by the same term
time-reversed dynamics are well defined Reversible diffusion, an example of a reversible stochastic process Reversible process (thermodynamics), a process
Reversibility
Type of mathematical model
employ among others reversible interacting-particle reaction dynamics. Autowave – Self-supporting non-linear waves in active media Diffusion-controlled reaction –
Reaction–diffusion_system
Rare brain condition, leading to severe swelling
Posterior reversible encephalopathy syndrome (PRES), also known as reversible posterior leukoencephalopathy syndrome (RPLS), is a rare condition in which
Posterior reversible encephalopathy syndrome
Posterior_reversible_encephalopathy_syndrome
Key reliability issue in MOSFETs
X_{\text{interface}}\rightleftharpoons X_{\text{bulk}}} (2) This reversible diffusion explains the partial recovery observed in NBTI. The reverse process
Negative-bias temperature instability
Negative-bias_temperature_instability
Soviet mathematician (1903–1987)
prediction Kolmogorov automorphism Kolmogorov's characterization of reversible diffusions Borel–Kolmogorov paradox Chapman–Kolmogorov equation Hahn–Kolmogorov
Andrey_Kolmogorov
Method of analyzing electrochemical reactions
redox reaction can be assigned to diffusion. Many redox processes observed by CV are quasi-reversible or non-reversible. In such cases the thermodynamic
Cyclic_voltammetry
Reference electrode whose potential depends on pH
A reversible hydrogen electrode (RHE) is a reference electrode, more specifically a subtype of the standard hydrogen electrodes, for electrochemical processes
Reversible_hydrogen_electrode
Concept in chemistry and physics
reversibility in physics and chemistry is twofold: First, it states that the microscopic detailed dynamics of particles and fields is time-reversible
Microscopic_reversibility
Discrete model of computation
automaton is reversible. The proof by Jarkko Kari is related to the tiling problem by Wang tiles. When a 2D automata is not reversible, often the proof
Cellular_automaton
French mathematician
random energy model and similar glassy systems, and metastability in reversible diffusion. She is a director of research for the French National Centre for
Véronique_Gayrard
Geometric algorithm
Diffusion maps is a dimensionality reduction or feature extraction algorithm introduced by Coifman and Lafon which computes a family of embeddings of
Diffusion_map
Substances that can repair themselves
yield to mechanical stress in an atypical, reversible manner. Diels-Alder-based polymers undergo a reversible cycloaddition, where mechanical stress cleaves
Self-healing_material
Solution to a stochastic differential equation
and statistics, diffusion processes are a class of continuous-time Markov process with almost surely continuous sample paths. Diffusion processes are stochastic
Diffusion_process
Neuroradiologic finding of splenial pathology
particularly in diffusion-weighted imaging (DWI) sequences. It refers to a characteristic boomerang-shaped area of restricted diffusion in the splenium
Boomerang_sign
Equation used in cyclic voltammetry
on ν provide evidence for an electrochemically reversible redox process. For species where the diffusion coefficient is known (or can be estimated), the
Randles–Sevcik_equation
Process that cannot be undone or reversed
to determine whether a hypothetical process is reversible or not. Intuitively, a process is reversible if there is no dissipation. For example, Joule
Irreversible_process
Type of fuel cell run in reverse
resistance. Glossary of fuel cell terms Hydrogen technologies Flow Battery "Reversible fuel cell learning kit". Ecosoul.org. Archived from the original on May
Regenerative_fuel_cell
Diffusion coefficient of ions in solution
and R species present. The equation for AW applies to both reversible and quasi-reversible reactions for which both halves of the couple are soluble.
Warburg_coefficient
Chemical process
found to be soluble in super-critical carbon dioxide. Extraction is a diffusion-based process, in which the solvent is required to diffuse into the matrix
Supercritical fluid extraction
Supercritical_fluid_extraction
process / Gau Mar Quadratic variation Random dynamical system / rds Reversible diffusion Runge–Kutta method Russo–Vallois integral Schramm–Loewner evolution
Catalog of articles in probability theory
Catalog_of_articles_in_probability_theory
Model of diffusion
The Ehrenfest model (or dog–flea model) of diffusion was proposed by Tatiana and Paul Ehrenfest to explain the second law of thermodynamics. The model
Ehrenfest_model
Reversible chemical transformation by absorption of electromagnetic radiation
Photochromism is the reversible change of color upon exposure to light. It is a transformation of a chemical species (photoswitch) between two forms through
Photochromism
Physical law for entropy and heat
theorem states that all reversible engines operating between the same heat reservoirs are equally efficient. Thus, any reversible heat engine operating
Second_law_of_thermodynamics
Primary cholinesterase in the body
molecules of acetylcholine (ACh) per second, approaching the limit allowed by diffusion of the substrate. The active site of AChE comprises two subsites—the anionic
Acetylcholinesterase
Class of enzymes
It is typically found as an α2β2 tetramer. The α subunits catalyze the reversible formation of indole and glyceraldehyde-3-phosphate (G3P) from indole-3-glycerol
Tryptophan_synthase
Minor form of stroke
Diffusion sequences can help further localize the area of ischemia and can serve as prognostic indicators. Presence of ischemic lesions on diffusion weighted
Transient_ischemic_attack
Cognitive decline
other causes. Blood tests are usually taken to rule out other possible reversible causes such as hypothyroidism (an underactive thyroid). Fluid biomarkers
Dementia
Property of a thermodynamic system
{\textstyle W} done by a reversible heat engine was found to be the product of the Carnot efficiency (i.e., the efficiency of all reversible heat engines with
Entropy
Method of chemical analysis
are as follows: 1) a large voltage window: ca. from +0.2 V to -1.8 V vs reversible hydrogen electrode (RHE). Hg electrode is particularly well-suited for
Polarography
Machine that converts the energy of flowing or falling water into useful forms of power
back into the stream. A special type of overshot/backshot wheel is the reversible water wheel. This has two sets of blades or buckets running in opposite
Water_wheel
Law of thermodynamics establishing the conservation of energy
practically reversible when it is driven by practically negligibly small temperature gradients. Work transfer is practically reversible when it occurs
First_law_of_thermodynamics
A reversible solid oxide cell (rSOC) is a solid-state electrochemical device that is operated alternatively as a solid oxide fuel cell (SOFC) and a solid
Reversible_solid_oxide_cell
Mathematical study of waiting lines, or queues
more general diffusion process. The number of dimensions of the Brownian process is equal to the number of queueing nodes, with the diffusion restricted
Queueing_theory
Reactive material used to create a vacuum in a system
from a surface, or continuously penetrating in the system (tiny leaks or diffusion through a permeable material). Even in systems which are continually evacuated
Getter
Semiconductor–semiconductor junction
in the n-type wander into the p-type due to random thermal migration ("diffusion"). As they diffuse into the p-type they combine with electron holes, and
P–n_junction
Excess accumulation of fluid in the brain
(such as a brain abscess or meningitis) Hepatic encephalopathy Posterior reversible encephalopathy syndrome Radiation-induced brain edema Post-surgical changes
Cerebral_edema
Electrochemical equation
used to measure the concentration or the diffusion coefficient of an analyte that participates in a reversible, deposition electrochemical reaction. To
Berzins-Delahay_equation
Understanding of gas properties in terms of molecular motion
the processes of dissolution, extraction and diffusion, providing as examples the dissolution and diffusion of salts by the action of water particles on
Kinetic_theory_of_gases
Process forming a path from many random steps
diffusion of dopants, defects and other impurities during the critical fabrication steps. Random walk treatments are also used to study the diffusion
Random_walk
(NESS), and f rev ( x ) {\displaystyle f_{\text{rev}}(x)} are the time-reversible forces. These functions are odd and even under time-reversal respectively
Helmholtz–Hodge_decomposition
Theoretical engine
Carnot cycle when acting as a heat engine consists of the following steps: Reversible isothermal expansion of the gas at the "hot" temperature, TH (isothermal
Carnot_heat_engine
Type of fuel cell
permanent or reversible. The main mechanisms of poisoning are blocking of the pores in the cathode with K2CO3, which is not reversible, and reduction
Alkaline_fuel_cell
Chemical mechanism of spontaneous passivation
process of diffusion will take place which will increase any measurement of the work of separation. The work of adhesion is the reversible free energy
Metal_oxide_adhesion
Topics referred to by the same term
cell migration, describing the movements of group of cells Molecular diffusion, in physics Migration (chemistry), type of reaction in organic chemistry
Migration
Exchange of mass, energy, and momentum between observed and studied systems
diffusion) Forced diffusion occurs because of the action of some external force Diffusion can be caused by temperature gradients (thermal diffusion)
Transport_phenomena
Direct conversion of temperature differences to electric voltage and vice versa
effect. The Peltier–Seebeck and Thomson effects are thermodynamically reversible, whereas Joule heating is not. At the atomic scale, a temperature gradient
Thermoelectric_effect
Stochastic volatility model used in derivatives markets
methods Continuous-time stochastic processes: • Arithmetic diffusion: Bachelier • Geometric diffusion: Black, Black–Scholes, Garman–Kohlhagen, Margrabe • Stochastic
SABR_volatility_model
Tool or farm implement
field and so avoid the ridge–furrow topography.[citation needed] The reversible (or roll-over) plough has two mould-board ploughs mounted back to back
Plough
Chemical compound
the air is dried out as it passes through the filter. This process is reversible. If the alumina desiccant is heated to ~200 °C, it will release the trapped
Activated_alumina
Representation of a type of random process
Cauchy process Contact process Continuous-time random walk Cox process Diffusion process Empirical process Feller process Fleming–Viot process Gamma process
Autoregressive_model
Type of rechargeable battery
pseudo-graphitic domains and tailored closed pores has been reported to reach a reversible capacity of 280 mAh/g at 1 A/g, retaining over 90% of its capacity after
Sodium-ion_battery
Non-reversible deformation of a solid material in response to applied forces
is reversible, as long as there is no material transport in form of cross-slip. Shape-memory alloys such as Nitinol wire also exhibit a reversible form
Plasticity_(physics)
Type of energy transfer
thermodynamic temperature. On page 34, he wrote: §41. Physical unreality of reversible processes. In Nature all phenomena are irreversible in a greater or less
Heat
Medical condition of lack of oxygen in the tissues
oxygenate the blood. Causes include hypoventilation, impaired alveolar diffusion, and pulmonary shunting. This definition overlaps considerably with that
Hypoxia_(medicine)
Chemical properties of materials
chemical reactions within the laws of thermodynamics Glass transition – Reversible transition in amorphous materials Surface melting – Formation of a quasi-liquid
Tammann temperature and Hüttig temperature
Tammann_temperature_and_Hüttig_temperature
White matter tract connecting the two cerebral hemispheres
for brain size, on average, proportionately larger in females. Using diffusion tensor sequences on MRI machines, the rate at which molecules diffuse
Corpus_callosum
Interpretation of quantum mechanics
as various external forces. The framework provides a derivation of the diffusion equations associated to these stochastic particles. It is best known for
Stochastic_quantum_mechanics
Medical condition
"Acute Toxic Leukoencephalopathy: Potential for Reversibility Clinically and on MRI With Diffusion-Weighted and FLAIR Imaging". American Journal of Roentgenology
Toxic_leukoencephalopathy
Material consisting of two layers of graphene
battery yielded reversible capacities of 1034 and 734 mAh/g at discharge rates of 5 and 10 C, respectively. After 1000 cycles reversible capacities of some
Bilayer_graphene
Flow where fluid particles follow smooth paths in layers
surface. Laminar flow is a flow regime characterized by high momentum diffusion and low momentum convection. When a fluid is flowing through a closed
Laminar_flow
covered. Sedimentation velocity experiments can also be used to study reversible chemical equilibria between macromolecular species, by either monitoring
Analytical ultracentrifugation
Analytical_ultracentrifugation
photophobia. Many contact lens-induced changes in corneal structure are reversible if contact lenses are not used for an extended period of time. Knowledge
Effects of long-term contact lens wear on the cornea
Effects_of_long-term_contact_lens_wear_on_the_cornea
Medical condition
MRI is performed, it may show cortical restricted diffusion with unusual characteristics of reversible T2 hypointensity in the subcortical white matter
Hyperosmolar hyperglycemic state
Hyperosmolar_hyperglycemic_state
Chemical compound
element from the ores. The distinctive property of this material is its reversible conversion to a non-stoichiometric oxide. Cerium occurs naturally as oxides
Cerium(IV)_oxide
Chemical mixtures
interchangeably, according to ISO nanotechnology definitions, an agglomerate is a reversible collection of particles weakly bound, for example by van der Waals forces
Dispersion_(chemistry)
Tendency of self-propelled particles to aggregate and form clusters
enzyme diffusion and also synthetic chemotaxis or phototaxis. In addition to irreversible schooling, self-propelled particles also display reversible collective
Clustering of self-propelled particles
Clustering_of_self-propelled_particles
Law about the rate of chemical reactions
Guldberg and Peter Waage, building on Claude Louis Berthollet's ideas about reversible chemical reactions, proposed the law of mass action in 1864. These papers
Law_of_mass_action
Class of transmembrane transporter protein
second. Compare this to ion channels that provide a means for facilitated diffusion to occur and allow between 107 and 108 ions pass through the plasma membrane
Antiporter
Loss of structure in proteins and nucleic acids due to external stress
deter protein stability and activity. In many cases, denaturation is reversible (the proteins can regain their native state when the denaturing influence
Denaturation_(biochemistry)
called the linear region. The response to a reversible redox couple in the linear region is a "diffusion controlled peak" which can be modeled with the
Ultramicroelectrode
Acronym for process of disposition of pharmaceutical compounds
tend to lower its plasma concentration. Distribution is defined as the reversible transfer of a drug between one compartment to another. Some factors affecting
ADME
typically be diffusing but diffusiophoresis is distinct from simple diffusion: in simple diffusion a species A moves down a gradient in its own concentration.
Diffusiophoresis and diffusioosmosis
Diffusiophoresis_and_diffusioosmosis
Image conservation process
technique or treatment applied to physical or digital work should be reversible or distinguishable from the original content of the artwork. Prior to
Inpainting
Family of monosaccharide transport proteins
of glucose across the plasma membrane, a process known as facilitated diffusion. Because glucose is a vital source of energy for all life, these transporters
Glucose_transporter
Stacks or aggregations of red blood cells
W.; Perelson, A.S. (April 1984). "Kinetics of rouleau formation. II. Reversible reactions". Biophysical Journal. 45 (4): 805–824. Bibcode:1984BpJ....45
Rouleaux
Coffee brewing method without filters
syrup Jebena Knockbox Moka pot Net-filter coffee (Vietnamese) Percolator Reversible coffee pot Single-serve coffee container Turkish coffee Vacuum maker Yazdi
Turkish_coffee
Symmetrical calligraphic or typographic visual pun
illustrations for Mark Twain and Lewis Carroll, he published two books of reversible illustrations, in which the picture turns into a different image entirely
Ambigram
Strong permanent magnet made from an alloy of a rare-earth element and cobalt
approx. 128–200 kJ/m3. These samarium–cobalt magnets generally have a reversible temperature coefficient of -0.05%/°C. Saturation magnetization can be
Samarium–cobalt_magnet
Projection of data onto lower-dimensional manifolds
sets. Diffusion maps leverages the relationship between heat diffusion and a random walk (Markov Chain); an analogy is drawn between the diffusion operator
Nonlinear dimensionality reduction
Nonlinear_dimensionality_reduction
Change in energies of a thermodynamic system with respect to particle number
coefficients is zero, as the free energy is at a minimum. In a system in diffusion equilibrium, the chemical potential of any chemical species is uniformly
Chemical_potential
Type of energy transfer
idealized notions of reversible work and heat are developed in scientific articles by Rudolf Clausius from 1850 - 1865. The reversible heat, defined by Clausius
Work_(thermodynamics)
Power generation technology
assemblies (MEA) which include the electrodes, electrolyte, catalyst, and gas diffusion layers. An ink of catalyst, carbon, and electrode are sprayed or painted
Proton-exchange membrane fuel cell
Proton-exchange_membrane_fuel_cell
Model of enzyme kinetics
(enzyme-substrate complex) represent the fact that enzyme-substrate binding is a reversible process, and the single forward arrow represents the formation of P (product)
Michaelis–Menten_kinetics
Compound that induces a loss of consciousness
be defined. General anesthetics, however, typically elicit several key reversible effects: immobility, analgesia, amnesia, unconsciousness, and reduced
General_anaesthetic
Cage-like allotrope of carbon
semiconductor into a conductor or even superconductor. C 60 undergoes six reversible, one-electron reductions, ultimately generating C6− 60. Its oxidation
Buckminsterfullerene
Equation in statistical mechanics
part due to its own diffusion, so σ x 2 = 2 D t {\displaystyle \sigma _{x}^{2}=2Dt} , where D {\displaystyle D} is the diffusion coefficient. Together
Jarzynski_equality
Device performing a Boolean function
(PLC) Programmable logic device (PLD) Propositional calculus Race hazard Reversible computing Superconducting computing Truth table Unconventional computing
Logic_gate
Process of water movement through a plant
decrease in hydrostatic pressure in the upper parts of the plants due to the diffusion of water out of stomata into the atmosphere. The word transpiration comes
Transpiration
Ion channel enzyme pump found in the membrane of all animal cells
lactea by comparing the active and estivating states. They concluded that reversible phosphorylation can control the same means of coordinating ATP use by
Sodium–potassium_pump
Type of steel crystalline structure
Equilibrium phases form by slow cooling rates that allow sufficient time for diffusion, whereas martensite is usually formed by very high cooling rates. Since
Martensite
Chemical compound
200 (20–21): 6101. doi:10.1016/j.surfcoat.2005.09.026. Thermo reactive diffusion vanadium nitride coatings on AISI 1020 steel U.Sen Key Engineering Materials
Vanadium_nitride
Antibacterial drug
of nitrofurantoin occur at rates of 0 to 29%. They are generally mild, reversible, and are predominantly gastrointestinal. Pulmonary toxicity caused by
Nitrofurantoin
Change in a thing that degrades it away from its initial state
broken but are shifted to create unstable pockets of concentration and diffusion of the material, which are more susceptible to later breakage. The effect
Damage
Algorithm in statistical physics
. Glauber dynamics is also used in the non-equilibrium phenomena and diffusion anomaly in those conditions . The Ising model is an abstract model for
Glauber_dynamics
Pressure of a component gas in a mixture
This concept is also known as blood gas tension. In this sense, the diffusion of a gas liquid is said to be driven by differences in partial pressure
Partial_pressure
Wendy; Mizuno, Hideaki; Miyawaki, Atsushi; Hofkens, Johan (2005-07-05). "Reversible single-molecule photoswitching in the GFP-like fluorescent protein Dronpa"
Photoactivatable fluorescent protein
Photoactivatable_fluorescent_protein
Study of biochemical reaction rates catalysed by an enzyme
reaction, even though the same substituted enzyme seems to be transformed. Reversible catalysis and the Haldane equation External factors may limit the ability
Enzyme_kinetics
Device that generates flow using an electric field
application of this is removing liquid flooding water from channels and gas diffusion layers and direct hydration of the proton exchange membrane in the membrane
Electroosmotic_pump
Relations between flows and forces, or gradients, in thermodynamic systems
thermoelectricity, electrokinetics, transference in electrolytic solutions, diffusion, conduction of heat and electricity in anisotropic solids, thermomagnetism
Onsager_reciprocal_relations
REVERSIBLE DIFFUSION
REVERSIBLE DIFFUSION
REVERSIBLE DIFFUSION
Boy/Male
British, English
From the Estate on the Ledge
Boy/Male
Muslim
Plenty and bounty from God
Girl/Female
Australian, Welsh
White; Happiness; Blessed; A North Wales County Name
Boy/Male
Muslim
Deed, Action
Boy/Male
Tamil
Desire, Wish
Girl/Female
Hungarian
Wealthy gift.
Girl/Female
Basque
Victory.
Male
English
Anglicized form of Scottish Gaelic Donnchadh, DUNCAN means "brown warrior."
Boy/Male
Australian, Indian, Punjabi, Sikh
Battlefield
Girl/Female
Scottish
Headstrong.
REVERSIBLE DIFFUSION
REVERSIBLE DIFFUSION
REVERSIBLE DIFFUSION
REVERSIBLE DIFFUSION
REVERSIBLE DIFFUSION
n.
The state or quality of being irreversible.
n.
The state or quality of being irreversible; irreversibleness.
a.
Irreversible.
a.
Capable of being reversed; as, a chair or seat having a reversible back; a reversible judgment or sentence.
a.
Incapable of being reversed, recalled, repealed, or annulled; as, an irreversible sentence or decree.
a.
Incapable of being reversed or turned about or back; incapable of being made to run backward; as, an irreversible engine.
a.
Hence, having a pattern or finished surface on both sides, so that either may be used; -- said of fabrics.
adv.
In an irreversible manner.
n.
The act of passing by osmosis through animal membranes, as in the distribution of poisons, gases, etc., through the body. Unlike absorption, diffusion may go on after death, that is, after the blood ceases to circulate.
n.
The act of passing from place to place or person to person; free diffusion; transmission.
n.
The quality of being reversible.
n.
The extent to which anything circulates or is circulated; the measure of diffusion; as, the circulation of a newspaper.
a.
Capable of, or admitting of, reverting or being reverted; as, a revertible estate.
n.
An association of underwriters and others in London, for the collection and diffusion of marine intelligence, the insurance, classification, registration, and certifying of vessels, and the transaction of business of various kinds connected with shipping.
a.
Referable.
a.
Incapable of being recalled or revoked; unchangeable; irreversible; unalterable; as, an irrevocable promise or decree; irrevocable fate.
n.
The spreading abroad, or extension, of anything; diffusion; dissemination; as, the propagation of sound; the propagation of the gospel.
n.
The act of radiating, or the state of being radiated; emission and diffusion of rays of light; beamy brightness.
n.
One opposed to the diffusion of knowledge; an obscuriantist.
adv.
In a reversible manner.