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By varying the magnetic sail's field strength over the course of its orbit, a magnetic sail can give itself a " perigee kick " raising the altitude of its orbit's apogee.
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By and varying
By varying the formula, this curve may be moved forward or backward along the coordinates to produce any desired compression strength / density ratio.
By varying the proportions of copper and zinc, the properties of the brass can be changed, allowing hard and soft brasses.
By varying ability scores, the same system is used for a human hero as a trollish villain.
By varying the air pressure, a flute player can also change the pitch of a note by causing the air in the flute to resonate at a harmonic other than the fundamental frequency without opening or closing any holes.
By varying the snap count, a quarterback forces the defensive players to react to the movement of the offensive players, or risk being called for an offsides or encroachment penalty.
By varying the number of particles added for heterogeneous nucleation and the rate of cooling in a hot-dip process, the spangle can be adjusted from an apparently uniform surface ( crystallites too small to see with the naked eye ) to grains several centimetres wide.
By controlling the voltage applied across the liquid crystal layer in each pixel, light can be allowed to pass through in varying amounts thus constituting different levels of gray.
By varying the parameter r, the following behavior is observed:
By varying the ratio of graphite to clay, the hardness of the graphite rod could also be varied.
By integrating varying delivery streams, hybrids enable pay-TV operators more flexible application deployment, which decreases the cost of launching new services, increases speed to market, and limits disruption for consumers.
By adding frame numbers to the frame sync, it is possible to extend the length of the random sequence, by varying the random sequence in accordance with the frame number.
By varying the gun ’ s angle of elevation with respect to the target vacuum chamber, impact angles from 0 ° to 90 ° relative to the gravitational vector are possible.
By extension, the term ' waveform ' also describes the shape of the graph of any varying quantity against time.
By 1835 all six daughters had died of varying causes, two when very young, two as children, the other two as young women: from whooping cough, yellow fever, and complications of childbirth.
By varying the monochromator's wavelength setting, the full spectrum can be measured.
By varying the extent and path of motion, a variety of effects can be obtained, with variable depth of field and different degrees of blurring of " out of plane " structures.
By varying the proportions of the juices, every shade from pink to black can be obtained.
By varying the amount of cream returned, producers can make a variety of low-fat milks to suit their local market.
By varying the pulse rate per LED, the display can approximate levels of brightness.
By varying the-Si-O-chain lengths, side groups, and crosslinking, silicones can be synthesized with a wide variety of properties and compositions.
By varying the angle of incidence and take-off on the crystal, a single X-ray wavelength can be selected.
By layering the highest quality crystals of varying compositions, it enabled the demonstration of the highest quality heterojunction semiconductor laser materials for many years.
By repeatedly sampling the randomly varying signal, a series of random numbers is obtained.
By varying the degree of smoothing, mid-tones between black and white can be created, hence the name mezzo-tinto which is Italian for " half-tone " or " half-painted ".
By and magnetic
By that, one feels that magnetic forces are as general as electrical forces.
By the age of 17 he was in his last year of high school and at home he had his own laboratory for experimenting with high frequency circuits, optics and magnetic fields.
* By their response to a magnetic field: they can be Type I, meaning they have a single critical field, above which all superconductivity is lost ; or they can be Type II, meaning they have two critical fields, between which they allow partial penetration of the magnetic field.
By using the London equation, one can obtain the dependence of the magnetic field inside the superconductor on the distance to the surface.
By 1898 Valdemar Poulsen had demonstrated a magnetic recorder and proposed magnetic tape.
By definition, radiation produced by the transition between the two hyperfine ground states of caesium ( in the absence of external influences such as the Earth's magnetic field ) has a frequency of exactly 9, 192, 631, 770 Hz.
By contrast, when the circuit is in the phantom configuration the currents in the two wires of each pair are in the same direction and the magnetic flux is being cancelled.
By the 12th to 13th centuries AD, magnetic compasses were used in navigation in China, Europe, and elsewhere.
By analogy, the magnetic equation is an inductive current involving spin.
By far the most common is magnetic.
By the 1950s vacuum tube electronics was well developed and very sophisticated, but tubes had a limited lifetime, used much more power and were much larger than semiconductor or magnetic technology, and their operating characteristics changed over their life.
By driving the current through the wires in a particular direction, the resulting induced field forces the selected core's magnetic flux to circulate in one direction or the other ( clockwise or counterclockwise ).
By taking the square root of the sum of the squares of the components the total magnetic field strength ( also called total magnetic intensity, TMI ) can be calculated by Pythagoras's theorem.
By the early 1960, Ferrari had begun work on his Hétérozygote, a piece for magnetic tape which uses ambient environmental sounds to suggest a dramatic narrative.
By Lenz's law, any change in the magnetic field would be immediately opposed by currents, so the flux through a given volume of fluid could not change.
" By the beginning of the nineteenth century, it was widely recognized that the Earth's magnetic field was continually changing over time in a complicated way that interfered with compass readings.
By 1948, when RCA began using magnetic tape on a regular basis, high fidelity became the norm for Toscanini's, and all other commercial recordings.
By maintaining the same current and increasing the number of loops or turns of the coil, the strength of the magnetic field increases because each loop or turn of the coil sets up its own magnetic field.
* By the Faraday effect, where a magnetic field can cause a material to be circularly birefringent, with different indices of refraction for oppositely-handed circular polarizations similar to an optically active material ;
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