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Page "Optical coherence tomography" ¶ 7
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By and scanning
By submerging the patient in a tub and rotating the transducer while the scanning goes on, they have been able to get cross-section views of the neck, as shown in Fig. 7, as well as many other hitherto impossible insights.
By the early 21st century computer-generated imagery, advanced film scanning, digital intermediate methods and film stocks with higher resolutions optimized for special effects work had together rendered VistaVision mostly obsolete even for special effects work.
By noting exactly where the scanning has reached at that moment, the X, Y position of the pen can be resolved.
By scanning across rows, quickly flashing the LEDs on and off, it is possible to create characters or pictures to display information to the user.
By scanning the microscope's beam in an X-Y pattern and measuring the light emitted with the beam at each point, a map of the optical activity of the specimen can be obtained.
By scanning the enormous content of the Internet, some computers " know " literally every single piece of public information ( every scientific discovery, every book and movie, every public statement, etc.
By observing the difference in heat flow between the sample and reference, differential scanning calorimeters are able to measure the amount of heat absorbed or released during such transitions.
By modulating his scream's harmonics, he could confuse most scanning equipment.
By continually scanning the time delay between pump and probe pulses and observing the response, workers can follow the progress of the reaction in real time.
By injecting fluorescin into macaques before scanning, fluorescence adaptive optics scanning laser ophthalmoscopy ( FAOSLO ) can be utilized to image individual capillaries in the nerve fiber layer and determine the thickness of the nerve fiber layer itself.
By analyzing the fossilized melanosomes ( pigment cells ) in the fossil with scanning electron microscope techniques, the researchers compared their arrangements to those of modern birds.
By frequently scanning and monitoring their surroundings, especially when in the open, prey can avoid attack by hoping to see a predator before it reaches the ' critical distance ' for an attack.
By scanning sitosterolemic individuals for this gene, it was found that all of them had a mutation in this gene responsible for their uncontrolled hyperabsorption of dietary sterols.
By combining both computerized mandibular scanning ( CMS ) or jaw motion analysis ( JMA ) with ultra-low frequency TENS, the dentist is able to locate a " physiological rest " position as a starting reference position to find a relationship between the upper and lower jaw along an isotonic path of closure up from the physiologic rest position in order to establish a bite position.

By and mirror
By taking the derivative of the optical path length, the stationary point is found giving the path taken by the light ( though it should be noted that the result does not show light taking the least time path, but rather one that is stationary with respect to small variations as there are cases where light actually takes the greatest time path, as in a spherical mirror ).
By turning the mirror system around so as to receive the light on the unsilvered side, the influence of the air in the enclosure could be ascertained.
By making measurements of the signal at many discrete positions of the moving mirror, the spectrum can be reconstructed using a Fourier transform of the temporal coherence of the light.
By moving the mirror the distant observer sees flashes of light that can be used to send a prearranged signaling code.
By measuring the observed motion of the guide star, and making minute distortions to the primary mirror, the telescope can produce images with much greater sharpness than is possible without adaptive optics.
By the third week of December much of the editorial opinion started to mirror these opinions and prepare the American citizens for the release of the prisoners.
By 1934 Hartnell's financial success ensured his acclaimied move to the glass and mirror art moderne interiors designed by young innovative architect Gerald Lacoste ( 1909 – 1983 ).
By projecting an imaginary line through point O perpendicular to the mirror, known as the normal, we can measure the angle of incidence, θ < sub > i </ sub > and the angle of reflection, θ < sub > r </ sub >.
By the early 1950s, Lacan's concept of the mirror stage had evolved: he no longer considered the mirror stage as a moment in the life of the infant, but as representing a permanent structure of subjectivity, or as the paradigm of " Imaginary order ".
* By Blade: Using essentially the same principle as communication by mirror, by applying blood and breath, communication between two people can be established by calling them by name.
By controlling the thickness and density of metal coatings, it is possible to decrease the reflectivity and increase the transmission of the surface, resulting in a half-silvered mirror.
By the time the mirror instruments were retired they were seldom used for signalling.
By using a rotating mirror, a high-speed camera and correcting for geometric changes, PIV can be performed nearly instantly on a set of planes throughout the flow field.
By analogy a catadioptric system based on a convex mirror is customarily called a lens when used in photography, but not on a telescope.
By modernizing the action, Rattigan has made it possible for the movie to mirror changes in the English class structure during the two decades when it was most obviously becoming obsolete.
By using a mirror they see the lodger retrieve the lunch tray from the hall, discovering that the lodger is a woman.
By June 7, 2005, a mirror site was up, which allowed people to download the final version ( 3. 5. 4. 0 ).
By dawn, he is so tired he falls asleep, causing the aircraft to circle and descend, but sunlight reflecting off the mirror awakens him in time to regain control.
By looking uniquely into the mirror, the image appears undeformed.
By moving the index arm, the index mirror can be made to reveal any object up to 90 ° from the direct line of sight.
By mounting the two horizon mirrors at right angles to each other and permitting the movement of the telescope, the navigator could measure angles from 0 to 90 ° with one horizon mirror and from 90 ° to 180 ° with the other.
By contrast, a market-oriented system might mirror the locational patterns that we find in other business sectors, such as retail location.
By grinding his own mirrors, using Newton's rings to judge the quality of the optics for his telescopes, he was able to produce a superior instrument to the refracting telescope, due primarily to the wider diameter of the mirror.

By and reference
By " art " we may frame several artistic " works " or " creations " as so though this reference remains within the institution or special event which creates it and this leaves some works or other possible " art " outside of the frame work, or other interpretations such as other phenomenon which may not be considered as " art ".
By the early 2000s, these competitions were named Comic Idol ( in reference to Pop Idol.
By starting with an inertial frame, where Newton's laws of motion hold, and keeping track of how the time derivatives of a position vector change when transforming to a rotating reference frame, the various fictitious forces and their forms can be identified.
By c. 1000, heofon was being used in reference to the Christianized " place where God dwells ", but originally, it had signified " sky, firmament " ( e. g. in Beowulf, c. 725 ).
* Instruction set reference for 6809 / 6309 ( PDF ) By Chris Lomont
By contrast, in a non-inertial reference frame the laws of physics vary depending on the acceleration of that frame with respect to an inertial frame, and the usual physical forces must be supplemented by fictitious forces.
* Instruction set reference for 6809 / 6309 ( PDF ) By Chris Lomont
By 1938, " pix " was being used in reference to still pictures by photojournalists.
By the nature of reference counting, each of these garbage components must contain at least one cycle.
By 1521 it was in use by country people as a derogatory reference for the effeminate town-dwellers.
* By viewing the phase itself as conveying the information, in which case the demodulator must have a reference signal to compare the received signal's phase against ; or
* By viewing the change in the phase as conveying information — differential schemes, some of which do not need a reference carrier ( to a certain extent ).
By doing this we free the space required by the reference, which can add up if done many times, and also improve locality of reference, enhancing performance on modern machines.
By reference to " resolutions of Arab Summits " and " UN resolutions since 1947 " ( like SC 242 ) it implicitly and perhaps ambiguously restricted its immediate claims to the Palestinian territories and Jerusalem.
By these 2 examples set apart, one is made better aware of the necessity of a greater understanding, of the potential of virtue, as it is paralleled here by both ; in " substance ,' ' actions ' and by the ' Person " of Christ Jesus or The Living Word of God, that each doing their own parts and / or in parallel, act on faith, with virtue and according to Biblical reference, are able to manifest miracles, by the Word of God.
By 1884, over two-thirds of all ships and tonnage used it as the reference meridian on their maps.
By extension, assuming that the labels assigned to subjects are truly representative of their trustworthiness, then the no-read-up and no-write-down rules rigidly enforced by the reference monitor are provably sufficient to constrain Trojan horses, one of the most general classes of attack ( sciz., the popularly reported worms and viruses are specializations of the Trojan horse concept ).
(" Bavli ") By convention, a reference to the " Gemara " or " Talmud ," without further qualification, refers to the Babylonian version.
By identifying each square with reference to the player on move, descriptive notation better reflects the symmetry of the game's starting position (" both players opened with P-K4 and planned to play B-KN2 as soon as possible "), and because the pieces captured are named, it is easy to skim over a game record and see which ones have been taken at any particular point.
By Roman times, Homer's reference was interpreted as making Achelous " prince of rivers ".
By the 1630s ( or 1640s, depending on the reference ), the bark was being exported to Europe.
By calculating in the frame of reference of the moving lithosphere ( velocity v ), which have spatial coordinate x '
By changing the reference frame one can set the linear momentum and position to zero and orient the spin angular momentum along the positive z axis.

2.409 seconds.