Help


[permalink] [id link]
+
Page "Superconductivity" ¶ 25
from Wikipedia
Edit
Promote Demote Fragment Fix

Some Related Sentences

perfect and conductor
While he often claimed an inability to read music, he was quite the conductor and was said to have perfect pitch.
The Meissner effect is sometimes confused with the kind of diamagnetism one would expect in a perfect electrical conductor: according to Lenz's law, when a changing magnetic field is applied to a conductor, it will induce an electric current in the conductor that creates an opposing magnetic field.
Since the ground is not a perfect electrical conductor, ground waves are attenuated as they follow the earth ’ s surface.
Let us assume that the waveguide is made of a metal that is such a good conductor that we can consider it to be a perfect conductor.
An ideal shield would be a perfect conductor with no holes, gaps, or bumps connected to a perfect ground.
With a perfect conductor ( i. e., zero resistivity ), all of the current would flow at the surface, with no penetration into and through the conductor.
Any perfect conductor will prevent any change to magnetic flux passing through its surface due to ordinary electromagnetic induction at zero resistance.
Schematic illustration of an adsorbed hydrogen atom near a perfect electrical conductor | conductor interacting with its image charge s.
To give a simple illustration of physisorption, we can first consider an adsorbed hydrogen atom in front of a perfect conductor, as shown in Fig.
Degenerate gas is an almost perfect conductor of heat and does not obey the ordinary gas laws.
In a perfect conductor (), there would be no diffusion.
An external magnetic field ( blue lines ) threads a closed ring made of a perfect conductor ( with zero resistance ).
* The convergent cylindrical shock wave unleashed by the explosion produces a rapid contraction ( greater than 1 km / s ) of the central cylinder, compressing the magnetic field, and creating an inductive current, as per the explanation above ( the speed of contraction permits, to first approximation, the neglect of Joule losses and the consideration of the cylinder as a perfect conductor ).
A perfect electric conductor has more back scatter from a leading edge for the linear polarization with the electric field parallel to the edge and more from a trailing edge with the electric field perpendicular to the edge, so the high surface impedance should be parallel to leading edges and perpendicular to trailing edges, for the greatest radar threat direction, with some sort of smooth transition between.
Taking her cues from the conductor, the actress matched notes with the pianist until perfect synchronization was achieved.
The electrical properties of the material forming an obstruction to radio waves could range from a perfect conductor at one extreme to a perfect insulator at the other.
A perfect conductor is an electrical conductor with no resistivity.

perfect and arbitrarily
In economics and game theory, the participants are sometimes considered to have perfect rationality: that is, they always act in a way that maximizes their utility, and are capable of arbitrarily complex deductions towards that end.

perfect and large
The choirs typically range from 40 to 80 singers and are recognized for their efforts to perfect blend, intonation, phrasing and pitch in a large choral setting.
Shannon's work on information theory showed that to achieve so called perfect secrecy, it is necessary for the key length to be at least as large as the message to be transmitted and only used once ( this algorithm is called the One-time pad ).
In microeconomics, it applies to price and output determination for a market with perfect competition, which includes the condition of no buyers or sellers large enough to have price-setting power.
Although pure riding skill clearly played a large part in his success, the ability of his chief race engineer, Jeremy Burgess, to perfect the suspension and geometry of a racing motorcycle gave him an enormous advantage over his rivals.
In economic theory, perfect competition describes markets such that no participants are large enough to have the market power to set the price of a homogeneous product.
In the last two years large near perfect round bead nucleated pearls up to 15mm in diameter have been produced with metallic luster.
Montevideo was originally founded on a promontory beside a large bay that forms a perfect natural harbor.
Originally, kansui was named after the water from Inner Mongolia's Lake Kan which contained large amounts of these minerals and was said to be perfect for making these noodles.
At higher frequencies, the diode looks like an almost perfect ( very linear, even for large signals ) resistor.
Special increases in this bonus are also awarded for winning the top division championship ( with an extra large increase for a " perfect " championship victory with no losses ), and also for scoring a kinboshi ( an upset of a yokozuna by a maegashira ).
Although the flowering is dioecious, the pistillate tree even when isolated will bear large oranges, perfect to the sight but lacking the seeds.
Paul Erdős conjectured that there is some positive constant c such that if d is the difference of a perfect power n, then d > n < sup > c </ sup > for sufficiently large n.
The ruins of Oola Castle stand close to the village and in 1825, some large and perfect antlers of the Irish elk were discovered ; and, in 1828, a brazen trumpet, and spear and arrow heads of bronze were found, which were placed in the museum of Trinity College, Dublin.
There, he could obtain the large supplies of fresh milk needed to perfect and produce fine milk chocolate.
This large landing area, combined with excellent year-round weather, makes the base perfect for flight testing.
The bayou was deep enough to support the large boats and formed a perfect horseshoe, which allowed them to turn around.
A large kitchen and dining area provide a perfect setting for group meals and activities.
Sikeston's Park system includes 14 parks, perfect for large family gatherings or quiet picnics.
Modelled on Italian trading cities, and built during the Baroque period by the architect Bernardo Morando, a native of Padua, Zamość remains a perfect example of a Renaissance town of the late 16th century, which retains its original layout and fortifications ( Zamość Fortress ), and a large number of buildings blending Italian and central European architectural traditions.
Since OCR software is far from perfect, often a large number of errors appear in the resulting text.
The shape of Proteus is close to a sphere with a radius of about 210 km, although deviations from the spherical shape are large — up to 20 km ; scientists believe it is about as large as a body of its density can be without being pulled into a perfect spherical shape by its own gravity.
His breakthrough came when he realized that instead of attempting to grow a large single crystal of a polarizing substance, he could manufacture a film with millions of micron-sized polarizing crystals that were coaxed into perfect alignment with each other.
Reverse osmosis is theoretically the most thorough method of large scale water purification available, although perfect semi-permeable membranes are difficult to create.

0.573 seconds.