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Change in proteins expressed by bacteria
biology, phase variation is a method for dealing with rapidly varying environments without requiring random mutation. It involves the variation of protein
Phase_variation
Species of bacterium
gene. Phase variation most often arises from a frameshift in the expressed gene. The Opa proteins of N. gonorrhoeae rely strictly on phase variation. Every
Neisseria_gonorrhoeae
Signal processing algorithm
interference, in frequency regions of rapid phase variation. Only regions of slow phase variation (stationary phase) will contribute significantly to the reconstruction
Reassignment_method
Light wave manipulation
addition to aiming. Dynamic phase variation can also produce real-time holograms. Devices permitting detailed addressable phase control over two dimensions
Phased-array_optics
States of matter for water as a solid
Variations in pressure and temperature give rise to different phases of ice, which have varying properties and molecular geometries. Currently, twenty-two
Phases_of_ice
Microbiological classification system for genus Salmonella
exhibit phase variation between two motile phenotypes, different "H" antigens may be expressed. Salmonella that can express only one "H" antigen phase consequently
Kauffman–White_classification
Species having two or more distinct forms
can be light morph or dark morph. Due to having more than one possible variation for this gene, it is termed 'polymorphism'. However, if the jaguar has
Polymorphism_(biology)
Alteration of displayed antigens by pathogens
of the mechanisms of antigenic escape. It is related to phase variation. Antigenic variation not only enables the pathogen to avoid the immune response
Antigenic_variation
especially important in uropathogenic Escherichia coli. The gene undergoes phase variation mediated via two recombinases and is a model example of site specific
Fim_switch
Four-stage model of physiological responses to sexual stimulation
sexual intercourse, initially leading to the plateau phase. There is wide socio-cultural variation regarding preferences for the length of foreplay and
Human_sexual_response_cycle
Phemomenon of physical optics
on one side of the waist to the far field on the other side. This phase variation is not observable in most experiments. It is, however, of theoretical
Gouy_phase_shift
Order of viruses
polysaccharides (an example of phase variation), some of which the phage uses for host-recognition. With phase variation, B. intestinalis can maintain
CrAssphage
Branch of physics
Self-phase modulation (SPM), an effect due to the optical Kerr effect (and possibly higher-order nonlinearities) caused by the temporal variation in the
Nonlinear_optics
Shape of the Moon's sunlit portion as viewed from Earth
A lunar phase or Moon phase is the apparent shape of the Moon's day and night phases of the lunar day as viewed from afar. Because the Moon is tidally
Lunar_phase
Species of bacterium
is called bacterial pneumonia. S. pneumoniae undergoes spontaneous phase variation, changing between transparent and opaque colony phenotypes. The transparent
Streptococcus_pneumoniae
Monochrome light beam whose amplitude envelope is a Gaussian function
on one side of the waist to the far field on the other side. This phase variation is not observable in most experiments. It is, however, of theoretical
Gaussian_beam
Electronic method of transmitting information with a carrier wave
transmission. It encodes a message signal as variations in the instantaneous phase of a carrier wave. Phase modulation is one of the two principal forms
Phase_modulation
Technology used to provide broadband to the end consumer via fiber
have different amplitudes. In order to compensate the phase variation and amplitude variation in a short time (for example within 40 ns for GPON), burst
Passive_optical_network
Measurement method using interference of waves
technologies being used for x-ray phase-contrast imaging, all utilizing different principles to convert phase variations in the x-rays emerging from an object
Interferometry
Imaging systems using changes in phase
However, in phase contrast X-ray imaging, the beam's phase shift caused by the sample is not measured directly, but is transformed into variations in intensity
Phase-contrast_X-ray_imaging
repolarization phase, variability in shape and amplitude, and the decrease in its velocity with increasing distance from the initial point. Variation potentials
Variation_potential
Branch of statistics mathematics
(h^{-1}(t))=t} . The simplest case of a family of warping functions to specify phase variation is linear transformation, that is h ( t ) = δ + γ t {\displaystyle
Functional_data_analysis
Species of bacterium that can cause meningitis
proteins. They also found more genes that undergo phase variation than any pathogen then known. Phase variation is a mechanism that helps the pathogen to evade
Neisseria_meningitidis
Daily appearance and disappearance of the Moon at the Earth's horizon
disappears below it, respectively. The exact times depend on the lunar phase and declination, as well as the observer's location. As viewed from outside
Moonrise_and_moonset
Species of bacterium
Zimmerman CU, Stiedl T, Rosengarten R, Spergser J (March 2009). "Alternate phase variation in expression of two major surface membrane proteins (MBA and UU376)
Ureaplasma_parvum
Elapsed fraction of a cycle of a periodic function
In physics and mathematics, the phase (symbol φ or ϕ) of a wave or other periodic function F {\displaystyle F} of some real variable t {\displaystyle
Phase_(waves)
Nucleotide duplications created by DNA polymerase during DNA replication
completed. Slipped strand mispairing has also been shown to function as a phase variation mechanism in certain bacteria. Slippage occurs through five main stages:
Slipped_strand_mispairing
Optical polarization device
vary slightly due to dispersion, this is negligible compared to the variation in phase difference according to the wavelength of the light due to the fixed
Waveplate
Form of alternating current
IEC 60050. Other sections define variations of these terms, with section 601 having phase to phase voltage and phase to neutral voltage, and section 141
Three-phase_electric_power
Microbiological classification system for genus Salmonella
exhibit phase variation between two motile phenotypes, different "H" antigens may be expressed. Salmonella that can express only one "H" antigen phase consequently
Kauffmann–White classification
Kauffmann–White_classification
Repeated evolution of a particular trait
types of phase variation that involve highly directed changes at the DNA sequence level. The evolution of different forms of phase variation in separate
Recurrent_evolution
Physical process of transition between basic states of matter
In physics, chemistry and biology, a phase transition (or phase change) is the physical process of transition between one state of a medium and another
Phase_transition
System in electronic signal processing
radio frequency communications systems. All these frequencies and phase variations must be estimated using the information in the received signal to reproduce
Carrier_recovery
Light scattering by small particles
intermediate x ≃ 1 of Mie scattering, interference effects develop through phase variations over the object's surface. Rayleigh scattering applies to the case
Rayleigh_scattering
known as phase variable regulons) mediate a coordinated change in the expression of multiple genes or proteins. This occurs via phase variation of a single
Phasevarion
Class of molecules found in the outer membrane of Gram-negative bacteria
to synthesize more than one type of LOS, a characteristic known as phase variation. Additionally, Neisseria gonorrhoeae, as well as Neisseria meningitidis
Lipopolysaccharide
optical packet in the same phase, and the distance between OLT and given ONU are random. In order to compensate the phase variation from packet to packet,
Burst mode clock and data recovery
Burst_mode_clock_and_data_recovery
Parasitic bacterium
identified in a stained blood smear under light microscopy. Synchronous phase variation has been observed in natural M. haemofelis infections during which
Mycoplasma_haemofelis
Species of bacterium
endotoxins, siderophores, antimicrobial resistance and antigenic phase variation. The incubation period lasts around 50 days, may vary between 1 and
Klebsiella_granulomatis
Phase of a cycle
mechanics, the geometric phase (also known as the Pancharatnam–Berry phase, Pancharatnam phase, or Berry phase) is a phase difference acquired over the
Geometric_phase
Clinical trial stages using human subjects
there is evidence of variation in metabolic rate. When the development process for a new drug fails, this usually occurs during Phase II trials when the
Phases_of_clinical_research
Space of all possible states that a system can take
The phase space of a physical system is the set of all possible physical states of the system when described by a given parameterization. Each possible
Phase_space
Psychological theory of dreaming
includes two phases: a modification phase (variation) and a selection phase (natural selection). Emotional selection also includes two phases: a modification
Emotional selection (dreaming)
Emotional_selection_(dreaming)
Electronic control system
elements: Phase detector Low-pass filter Voltage-controlled oscillator Feedback path, which may include a frequency divider There are several variations of PLLs
Phase-locked_loop
Noise removal process during image processing
particularly image processing, total variation denoising, also known as total variation regularization or total variation filtering, is a noise removal process
Total_variation_denoising
Variations of lighting of the planet's surface
The phases of Venus are the variations of lighting seen on the planet's surface, similar to lunar phases. The first recorded observations of them are thought
Phases_of_Venus
Canadian-American microbiologist (1922–2001)
research findings. His most cited article is: Stoker MG, Fiset P. "Phase variation of the Nine Mile and other strains of Rickettsia burneti". Canadian
Paul_Fiset
Calisthenics exercise
(when one fails to do a specified amount) and for its lack of equipment. Variations, such as wide-arm and diamond push-ups, target specific muscle groups
Push-up
Genus of bacteria
pertussis, B. parapertussis and B. bronchiseptica and is responsible for phase variation or phenotypic modulation. BvgS is a plasma membrane-bound sensor kinase
Bordetella
Global climate phenomenon
phenomenon that emerges from variation in winds and sea surface temperatures over the tropical Pacific Ocean. Those variations have an irregular pattern
El_Niño–Southern_Oscillation
national variations in traffic light operation. This may be in the standard traffic light sequence (such as the inclusion of a red–amber phase) or by the
Variations in traffic light operation
Variations_in_traffic_light_operation
Somaclonal variation is the variation seen in plants that have been produced by plant tissue culture. Chromosomal rearrangements are an important source
Somaclonal_variation
Procedure for solving differential equations
In mathematics, variation of parameters, also known as variation of constants, is a general method to solve inhomogeneous linear ordinary differential
Variation_of_parameters
Optical microscopy technique
brightness changes in the image. Phase shifts themselves are invisible, but become visible when shown as brightness variations. When light waves travel through
Phase-contrast_microscopy
Species of bacterium
syphilis. To introduce more phenotypic diversity, T. pallidum may undergo phase variation. This process mainly happens in TprF, TprI, TprG, TprJ, and TprL, and
Treponema_pallidum
Form of electromagnetic radiation
X-ray phase-contrast imaging, all using different principles to convert phase variations in the X-rays emerging from an object into intensity variations. These
X-ray
Imaging method
to convert phase variations in the X-rays emerging from the object into intensity variations at an X-ray detector. Propagation-based phase contrast uses
Phase-contrast_imaging
Upper-body strength exercise
challenge, although there are variations to make the exercise easier. In the absence of equipment, a lighter variation of the dip can be performed called
Dip_(exercise)
Non-destructive type of ultrasonics
also possible if the optical phase is recorded. In this case the echo shape when measured through the optical phase variation is proportional to a spatial
Picosecond_ultrasonics
Species of bacteria
apoptosis in host endothelial cells, immunoglobulin binding proteins, phase variation, endotoxin, biofilm formation, free radical inhibition, and survival
Histophilus_somni
Property in optics
convert such variation into measurable amplitude differences: To measure the spatial variation of the refractive index in a sample phase-contrast imaging
Refractive_index
Type of single-phase electric power distribution
A split-phase or single-phase three-wire system is a form of single-phase electric power distribution. It is the alternating current (AC) equivalent of
Split-phase_electric_power
e^{j\Psi _{mn}}} corresponds to the phases applied to the transmitarray unit cells, to undo the phase variation due to the geometry of the cells from
Transmitarray_antenna
Paradox of combining strategies
into a positive one. In evolutionary biology, both bacterial random phase variation and the evolution of less accurate sensors have been modelled and explained
Parrondo's_paradox
Analysing signals
The concern to study time-varying phasors is raised to understand in-depth the fast amplitude and phase variations of emerging electrical power generator
Time-varying_phasor
Mathematics and basic principles of three-phase electric power
In electrical engineering, three-phase electric power systems have at least three conductors carrying alternating voltages that are offset in time by
Mathematics of three-phase electric power
Mathematics_of_three-phase_electric_power
Fundamental mechanical principles
system is called the action. Action principles apply the calculus of variation to the action. The action depends on the energy function, and the energy
Action_principles
Nonlinear optical effect of light-matter interaction
This variation in refractive index will produce a phase shift in the pulse, leading to a change of the pulse's frequency spectrum. Self-phase modulation
Self-phase_modulation
Small deviation in the Earth's axis of rotation relative to the solid earth
The Chandler wobble or Chandler variation of latitude is a small deviation in the Earth's axis of rotation relative to the solid earth, which was discovered
Chandler_wobble
Frequency of a chirp pulse
where a ( t ) {\displaystyle a(t)} and θ(t) give the amplitude and phase variations of the waveform s {\displaystyle s} , with time. The frequency spectrum
Chirp_spectrum
Genetic diversity in human populations
Human genetic variation is the genetic differences in and among populations. There may be multiple variants of any given gene in the human population
Human_genetic_variation
Study of flow properties of blood and its elements of plasma and cells
viscoelastic material subjected to a time varying flow will result in a phase variation between τ {\displaystyle \tau } and γ {\displaystyle \gamma } represented
Hemorheology
Modification of work in a contracted project
are also called variations or variation orders. Any modification or change to works agreed in the contract is treated as a variation. These modifications
Change_order
the sample is scanned through the Bragg condition. Due to a relative phase variation between the incoming and reflected beams, the nodal planes of the XSW
X-ray_standing_waves
effect (in longitude) of the variation of the Moon is that during the course of every month, at the octants of the Moon's phase that follow the syzygies (i
Variation_(astronomy)
Periodic change in the Sun's activity
primary cause (96%) of 1996–2013 TSI variation. The ratio of ultraviolet to visible light varies. TSI varies in phase with the solar magnetic activity cycle
Solar_cycle
visualize phase shifts by transforming phase shift gradients into intensity variations. These intensity variations are mixed with other intensity variations, making
Quantitative phase-contrast microscopy
Quantitative_phase-contrast_microscopy
Repetitive variation of some measure about a central value
Oscillation is the repetitive or periodic variation, typically in time, of some measure about a central value (often a point of equilibrium) or between
Oscillation
Electronic sound synthesis method
synthesis (with variations). The later VZ-1 and co's synthesis method Interactive phase distortion is much more similar to the aforementioned phase modulation
Phase_distortion_synthesis
Typographical symbol
LETTER PHASE-D SHII * *️⃣ ◌⃰ ≛ ⋆ ⍟ ⍣ ★ ☆ ☪ ☪️ ⚝ ⛤ ⛥ ⛦ ⛧ ✩ ✪ ✫ ✬ ✭ ✮ ✯ ✰ ⭐ ⭑ ⭒ 🌟 🌠 𖤐 ٭ U+002A * ASTERISK When combined with U+FE0F ◌️ VARIATION SELECTOR-16
Star_(grapheme)
Cross-phase modulation (XPM) is a nonlinear optical effect where one wavelength of light can affect the phase of another wavelength of light through the
Cross-phase_modulation
Quiescent stage of the cell cycle in which the cell does not divide
The G0 phase describes a cellular state outside of the replicative cell cycle. Classically[when?], cells were thought to enter G0 primarily due to environmental
G0_phase
Method for reducing unwanted sound
speaker emits a sound wave with the same amplitude but with an inverted phase (also known as antiphase) relative to the original sound. The waves combine
Active_noise_control
Upper body exercise
in a chair; this variation emphasizes the anterior deltoids and the upper (clavicular) head of the pectoralis major. This variation is called the incline
Bench_press
File format for genomic variation data
format used in bioinformatics for storing gene sequence or DNA sequence variations. The format was developed in 2010 for the 1000 Genomes Project and has
Variant_Call_Format
Cell division into two identical cells
generations. The different stages of mitosis altogether define the mitotic phase (M phase) of a cell cycle—the division of the mother cell into two daughter cells
Mitosis
Method for modulation of data
other proprietary wireless modems. Continuous-phase frequency-shift keying (CPFSK) is a commonly used variation of frequency-shift keying (FSK), which is
Continuous_phase_modulation
French analog color television system
transmitters. Long co-axial cables or microwave links can cause amplitude and phase variations, which do not affect SECAM signals. Other countries, notably the United
SECAM
Cambridge, Massachusetts headquartered biopharmaceutical company
unsupported during periods of financial difficulty and organizational change. Variation Biotechnologies Inc. (VBI), also known as VBI Vaccines Inc., is a biopharmaceutical
VBI_Vaccines
Plot of a dynamical system's trajectories in phase space
In mathematics, a phase portrait is a geometric representation of the orbits of a dynamical system in the phase plane. Each set of initial conditions
Phase_portrait
Apparent center of radio emission from an antenna
design theory, the phase center is the point from which the electromagnetic radiation spreads spherically outward, with the phase of the signal being
Phase_center
Object oriented software development process framework
unified process the transition phase is followed by a production phase. The number of unified process refinements and variations are countless. Organizations
Unified_process
Clock deviation from perfect periodicity
work. In computer networking, jitter can refer to packet delay variation, the variation (statistical dispersion) in the delay of the packets. One of the
Jitter
Card game for 2 to 8 people
chips. For each round, there are four stages: the Deal, the Poker phase, the Rummoli phase, and the End of round, which are played in sequence. Before the
Rummoli
Organ found in mammalian skin
growth phase, catagen is the regression phase of the hair follicle, telogen is the resting stage, exogen is the active shedding of hair phase and kenogen
Hair_follicle
Color encoding system for analogue television
Phase Alternating Line (PAL) is a colour encoding system for analogue television. It was one of three major analogue colour television standards, the
PAL
mutation in pathogenic microbes, e.g., mechanisms for phase variation and antigenic variation, appear to have evolved so as to enhance lineage survival
Mutation_bias
Maximum time interval error (MTIE) is a measure of the worst case phase variation of a signal with respect to a perfect signal over a given period of
Synchronization in telecommunications
Synchronization_in_telecommunications
In astrodynamics, orbit phasing is the adjustment of the time-position of spacecraft along its orbit, usually described as adjusting the orbiting spacecraft's
Orbit_phasing
Antenna testing techniques
standard receiving antenna by this distance reduces the detectable phase variation across the AUT enough to obtain a reasonably accurate estimate of the
Antenna_measurement
PHASE VARIATION
PHASE VARIATION
Surname or Lastname
English
English : metonymic occupational name for a huntsman, or rather a nickname for an exceptionally skilled huntsman, from Middle English chase ‘hunt’ (Old French chasse, from chasser ‘to hunt’, Latin captare).Southern French : topographic name for someone who lived in or by a house, probably the occupier of the most distinguished house in the village, from a southern derivative of Latin casa ‘hut’, ‘cottage’, ‘cabin’.Thomas Chase came to MA from Chesham, Buckinghamshire, England, in the 1640s, and had many prominent descendants. Samuel Chase, born in Somerset Co., MD, in 1741, was one of the first members of the U.S. Supreme Court; Philander Chase, born in Cornish, NH, in 1741 was a prominent Episcopal clergyman, and his nephew Salmon Portland Chase (1808–73), also born in Cornish, was governor of OH, a U.S. senator, and secretary of the U.S. Treasury during the Civil War.
Girl/Female
Tamil
Kala Devi | கலா தேவீ
Art, Phases of Moon
Kala Devi | கலா தேவீ
Male
English
Middle English surname (of Norman French origin) transferred to forename use, CHASE means "hunter."Â
Girl/Female
Hindu
Art, Phases of Moon
Girl/Female
Tamil
Art, Phases of Moon
Girl/Female
Tamil
Shashikala | ஷஷிகலா
Phases of Moon
Shashikala | ஷஷிகலா
Girl/Female
Hindu
Phases of Moon
Boy/Male
Hindu, Indian
Gods Prayer; Sanskrit Phrase
Boy/Male
American, Australian, British, Chinese, Christian, English, French
Huntsman; Hunter
Girl/Female
Indian
Phases of Quran
Girl/Female
Indian, Telugu
Phrase of Music
Girl/Female
Bengali, Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi, Sindhi, Telugu
Phase; Time of Day
Girl/Female
Indian, Telugu
A Phase of Life; Childhood
Boy/Male
English American
Huntsman.
Boy/Male
German
Chase; Hunt
Surname or Lastname
German
German : nickname for a swift runner or a timorous person, from Middle High German, Middle Low German hase ‘hare’.Jewish (Ashkenazic) : ornamental name from German Hase ‘hare’.English : from a Middle English nickname, Hase, from Old English hÄs ‘harsh, raucous, or hoarse voice’.Japanese : usually written with characters meaning ‘long valley’; habitational name from a place in Yamato (now Nara prefecture). Listed in the Shinsen shÅjiroku. Some bearers are descended from the Taira clan; they are found mainly in eastern Japan. Also pronounced Nagaya and Nagatani; the original pronunciation was Hatsuse, meaning ‘beginning of the strait’.
Surname or Lastname
English
English : from Middle English pese ‘pea’, hence a metonymic occupational name for a grower or seller of peas, or a nickname for a small and insignificant person. The word was originally a collective singular (Old English peose, pise, from Latin pisa) from which the modern English vocabulary word pea is derived by folk etymology, the singular having been taken as a plural.Robert and John Pease came from Great Baddow, Essex, England, to Salem, MA, in 1634. In 1644 Robert died, leaving a son (also called Robert) who was apprenticed as a weaver in Salem. By 1646 John Pease was living on Martha’s Vineyard.
Male
French
French form of Latin Stephanus, STÉPHANE means "crown."
Girl/Female
Tamil
Phase, Time of day
Girl/Female
Hindu
Art, Phases of Moon
PHASE VARIATION
PHASE VARIATION
Girl/Female
Tamil
King of fame
Girl/Female
Tamil
Girl/Female
Hindu, Indian, Marathi
Fame
Boy/Male
English
Variants of Randolph 'Wolf's shield.' Surname.
Boy/Male
Finnish, French, German
Free Man; Strong and Masculine
Boy/Male
Tamil
Restless, Lord Chandra or Moon
Girl/Female
Hindu, Indian
Flower; Fragrance
Boy/Male
Tamil
Young lady
Female
Spanish
Spanish form of Latin Agatha, AGOTA means "good."
Boy/Male
English
Heel.
PHASE VARIATION
PHASE VARIATION
PHASE VARIATION
PHASE VARIATION
PHASE VARIATION
a.
Resembling prase.
imp. & p. p.
of Phrase
pl.
of Phase
n.
See Phase.
v. t.
To follow as if to catch; to pursue; to compel to move on; to drive by following; to cause to fly; -- often with away or off; as, to chase the hens away.
p. pr. & vb. n.
of Chase
n.
That which is exhibited to the eye; the appearance which anything manifests, especially any one among different and varying appearances of the same object.
pl.
of Pease
pl.
of Pease
n.
Any appearance or aspect of an object of mental apprehension or view; as, the problem has many phases.
n.
Any one point or portion in a recurring series of changes, as in the changes of motion of one of the particles constituting a wave or vibration; one portion of a series of such changes, in distinction from a contrasted portion, as the portion on one side of a position of equilibrium, in contrast with that on the opposite side.
n.
A particular appearance or state in a regularly recurring cycle of changes with respect to quantity of illumination or form of enlightened disk; as, the phases of the moon or planets. See Illust. under Moon.
a.
Without a phase, or visible form.
n.
A brief expression, sometimes a single word, but usually two or more words forming an expression by themselves, or being a portion of a sentence; as, an adverbial phrase.
v. t.
To chase.
n.
The liberty or franchise of having a chase; free chase.
p. pr. & vb. n.
of Phrase
v. i.
To group notes into phrases; as, he phrases well. See Phrase, n., 4.
n.
Pulse; pease.
v. i.
To give chase; to hunt; as, to chase around after a doctor.