| 词汇 | example_english_absolute-zero |
| 释义 | Examples of absolute zeroThese examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. Suppose we were to evacuate a chamber, faraday shields it, and cools it to absolutezero so that it was empty. As temperature increases starting from absolutezero they first decrease steeply in resistance as the carriers leave the donors or acceptors. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Then in 1951, in the first nuclear cooling experiment, he produced the lowest temperature ever achieved until then at only ten millionths of a degree above absolutezero. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Layzer argued that, rather than in an initial high entropy state, the primordial universe was in a very low entropy state near absolutezero. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The common organisms of choice to study cryobiosis are tardigrades, which are known to survive freezing to near absolutezero. We repeat the process until the model temperature reaches the value of absolutezero. For example, my theory would never permit causing pain to others in order to reduce the pain of maximum sufferers to absolutezero. Gas-phase reactions at low temperatures : towards absolutezero. The measure of the disorder is the residual entropy, which does not vanish even at absolutezero. The values are chosen so that the dynamics of vortex nucleation can be followed easily as the temperature approaches to absolutezero. This condition implies that at the critical temperature the magnitude of the initial order parameter does not exceed its value at the superconducting state at temperature absolutezero. In addition to tape noise (caused by random magnetic particles), circuits themselves inevitably produce noise due to electron movement (theoretically reduced as one approaches absolutezero of temperature!). I do not subscribe to the view that we must reduce it to an absolutezero. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 I realise that my influence in another place—if it ever was at all great—has gone to absolutezero. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 His credit reached absolutezero some time ago. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 We're not working with a brain that's near absolutezero. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. All matter with a temperature greater than absolutezero emits thermal radiation. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Some systems approach this mechanical behaviour rather fast with room temperature already being practically equivalent to absolutezero. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. A system with a truly negative temperature is not colder than absolutezero. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. This results in motion even at absolutezero. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. At this point, called absolutezero, the particle constituents of matter have minimal motion and can become no colder. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. A system at absolutezero is merely in its quantum-mechanical ground state, the lowest energy state available. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In fact, all substances have charges moving in them all of the time, one of the difficulties in reaching absolutezero. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The specific heat is smaller at colder temperatures, and it goes to zero at absolutezero. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. At absolutezero all matter has become a solid except helium, which becomes a highly unusual liquid. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. As temperature decreases, the critical field increases generally to a maximum at absolutezero. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Their work determined that the universe's background radiation was 2.7 degrees above absolutezero, just 2.3 degrees lower than the 1948 prediction. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Many systems, such as a perfect crystal lattice, have a unique ground state and therefore have zero entropy at absolutezero. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. When the temperature of the body is greater than absolutezero, interatomic collisions cause the kinetic energy of the atoms or molecules to change. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. At absolutezero temperature, a crystal lattice lies in its ground state, and contains no phonons. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. His research focuses on the behavior of matter at temperatures near absolutezero where quantum mechanical effects are manifest. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Yukina is described as the absolutezero snow woman as she does not appear to be warm to people around her. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. A system of cryogenic helium refrigerators keep the detectors a third of a degree above absolutezero. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Scientists have found that all bodies at a temperature above absolutezero emit thermal radiation. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. To maintain superconductivity, the entire device needs to operate within a few degrees of absolutezero, cooled with liquid helium. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Laser cooling is applied to cooling materials very close to absolutezero. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Absolutezero is the null point of the thermodynamic temperature scale, also called absolute temperature. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Its natural, intrinsic origin or null point is absolutezero at which the entropy of any system is at a minimum. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. As with classical objects at absolutezero temperature, it was assumed that black holes had zero entropy. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. At this time the laws of thermodynamics were not adequately understood, particularly the concept of absolutezero. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The chemistry between substances, however, does not disappear, even near absolutezero temperatures, since separated molecules/atom can always combine to lower their total energy. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. A method that has been widely used and applied to cool molecules to temperatures near absolutezero is laser cooling. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The crystal lattice allows a substantial amount of disorder in the positions of the protons frozen into the structure as it cools to absolutezero. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Above absolutezero, thermal motions will introduce random perturbations to the chromophores local environment. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The team cooled fermionic lithium-6 to less than 150 billionths of one kelvin above absolutezero using infrared laser cooling. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Indeed, macroscopic quantum states have only ever been observed in superconductors near absolutezero. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Thus, at room temperature less than 0.07 percent of all the molecules of a given amount of water will vibrate faster than at absolutezero. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In the benchmarking experiment, physicists used laser beams to cool the ions to near absolutezero. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. For example, as a gas is heated from absolutezero, when it is (in theory) perfectly still, its internal energy (temperature) is increased. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Values of this order for the absolutezero were not, however, universally accepted about this period. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. A system at absolutezero still possesses quantum mechanical zero-point energy, the energy of its ground state. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It is possible, however, to extrapolate to absolutezero by using the ideal gas law, as shown in the figure. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The coldest theoretical temperature is called absolutezero. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. When no more energy can be removed, the system is at absolutezero, though this can not be achieved experimentally. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Two microbes are found to be coccus-shaped supergerms capable of surviving in absolutezero and have the potential to grow exponentially in terrestrial conditions. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. He is best known for invention of the cryotron, a superconductive computer component that is operated in liquid helium at a temperature near absolutezero. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Absolutezero implies no movement, and therefore zero external radiation effects (i.e., zero local electric and magnetic fields). From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The cloud was cooled using lasers to just a few degrees above absolutezero. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Moreover, according to the third law of thermodynamics, at absolutezero temperature, crystalline structures are approximated to have perfect order and zero entropy. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The third law of thermodynamics states that the entropy of a system at absolutezero is a well-defined constant. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. At 273 absolutezero temperature is reached, all atom movement ceases. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Even near absolutezero, a real sample of a normal conductor shows some resistance. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Conversely, if the temperature approaches absolutezero, any system behaves more and more mechanically. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Contrary to classical phase transitions, quantum phase transitions can only be accessed by varying a physical parametersuch as magnetic field or pressureat absolutezero temperature. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The constant volume gas thermometer plays a crucial role in understanding how absolutezero could be discovered long before the advent of cryogenics. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Thus, even at absolutezero, the system still has a significant amount of energy. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. But experiments at low temperatures showed that the heat capacity changes, going to zero at absolutezero. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Numbers indicate the magnitude of difference between items, but there is no absolutezero point. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Maximons can be electrically charged or neutral, they can have internal temperature of maximum or absolutezero, spin. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The third law of thermodynamics is a statistical law of nature regarding entropy and the impossibility of reaching absolutezero of temperature. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. A substance with a negative temperature is not colder than absolutezero, but rather it is hotter than infinite temperature. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. All thermal fluctuations become larger and more frequent as the temperature increases, and likewise they decrease as temperature approaches absolutezero. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The ratio of superfluid density to the total density increases as the temperature approaches absolutezero. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. At low temperatures near absolutezero, heat capacities of solids quickly drop off to near zero, so the assumption of constant heat capacity does not apply. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. His techniques can reach the absolutezero. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Because of the very weak interatomic forces in helium, this element would remain a liquid at atmospheric pressure all the way from its liquefaction point down to absolutezero. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. This means that they can only be resolved at cryogenic temperatures (within a few degrees of absolutezero) where the thermal energy is lower than the inter-mode energy separation. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. His name is most widely known in connection with his work on the liquefaction of the so-called permanent gases and his researches at temperatures approaching absolutezero. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. However, to maintain a perfectly ideal mechanism, the temperature output must be the absolutezero, which is impossible to reach due to the third law of thermodynamics. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In most theories of this state, it is supposed that vacancies, empty sites normally occupied by particles in an ideal crystal, exist even at absolutezero. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. However, the period of the pendulum was found to be temperature dependent below the transition temperature, tending toward the period "in vacuo" at the lowest temperatures (those approaching absolutezero). From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. He developed a magnetic refrigeration device of his own design in order to achieve this outcome, getting closer to absolutezero than many scientists had thought possible. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In silicon, for example, this effective mass varies by a few percent between absolutezero and room temperature because the band structure itself slightly changes in shape. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In the above ideal development, there is a critical point, not at absolutezero, at which the argument of the logarithm becomes unity, and the entropy becomes zero. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. At any temperature greater than absolutezero, potential energy and kinetic energy are constantly converted into one another, but the sum remains constant in an isolated system (cf. table). From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. According to the third law of thermodynamics, a system at absolutezero temperature exists in its ground state; thus, its entropy is determined by the degeneracy of the ground state. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Absolutezero can not be achieved, although it is possible to reach temperatures close to it through the use of cryocoolers, dilution refrigerators, and nuclear adiabatic demagnetization. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. When travelling between stars without voyagers, virtually all of its systems and mechanics are shut down, and it effectively becomes a dead relic; its temperature reaches nearly absolutezero. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. This distinction is particularly important in the case of temperature, for which the numeric value of absolutezero is not the origin 0 in some scales. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The molecular vibrations are harmonic (at least to good approximation), which means that the atoms oscillate about their equilibrium, even at the absolutezero of temperature. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Absolutezero is defined as precisely and. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Indeed, above absolutezero, all a system's states have a non-zero probability to decay; that is, to spontaneously fall into another state (usually lower in energy). From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. He at temperatures within a few thousandths of a degree of absolutezero. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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