| 词汇 | example_english_supercritical |
| 释义 | Examples of supercriticalThese 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. Generally, smaller (order 0.1) input g yielded supercritical outputs, and larger (order 10) g subcritical outputs, which we now describe. A locally supercritical flow is formed, which jumps a t some location to a subcritical state. Everything after this, including the re-initiation mechanism for the supercritical case, is irrelevant if we are only concerned with the critical energy. According to the model equations, in the supercritical range, chaotic oscillations with intermittently growing amplitudes occur, resulting in repeated global flow reversals in the loop. Here the fourth order term has the wrong sign whenever p(x, t) is subcritical and the right sign where it is supercritical. Such periodic waves are not roll waves, because there is no transition from subcritical to supercritical flow in the wave. If the total mass is supercritical, why should subcritical spreading behavior be expected for the initial regime of the dynamics? The supercritical, steady two-dimensional motion, the heat transport and the stability of the motion are investigated. In both these investigations the heating was supercritical. The failure point is identified as the point where the profiles of the marginally subcritical and marginally supercritical initiation energies start to deviate significantly. There is no question of applying an 'initial' condition, in the sense that it is used in the case of disturbances under supercritical conditions. A similar analysis shows that these flows are also supercritical t o waves of that type. Two-dimensional rolls have indeed been shown to be a stable bifurcation solution for weakly supercritical convection. The flow is then supercritical and internal hydraulic jumps may occur under suitable downstream conditions. When the specifying flow is slightly supercritical, a weakly nonlinear solitary wave (29a) is possibie. The case 0 (1) > 0 is usually referred to as a subcritical pitchfork bifurcation, and the case 0 (1) < 0 as a supercritical pitchfork bifurcation. Observations of laser driven supercritical radiative shock precursors. 450 supercritical fluid to remove the solvent, resulting in the foam structure filled only with air, which is called aerogel. The study of biofilm/porous media interactions is important in secondary oil recovery, groundwater and soil bioremediation, and the long-term storage of supercritical carbon dioxide. The supercritical convective motion consisted of vertical jets of cool surface fluid which plunged downward into the interior of the fluid. I n the moderate supercritical range of our experiments we observe irregular flow oscillations of limited amplitudes ; however, no flow reversals occur in this range. Flow reversals are obtained in our experimental set-up without any external excitation only a t very high supercritical heating rates. If s > 0, this is a supercritical branching process, which has a positive probability of growing for ever. The second condition implies that the steady state bifurcation is supercritical. An erodible surface exposed to supercritical flow often devolves into a series of steps that migrate slowly upstream. The supercritical section, however, isolates the external reservoir from the basin and sill flows since internal waves do not propagate upstream through it. Both boundary currents and intrusions can be eitther supercritical or subcritical depending on the values of the parameters. The initially supercritical flow is modified by bottom friction in this case. If the calculation is correct, the transition should be supercritical in an annular geometry, where there are no endwalls. I n figure 12 we give a typical set of signals x3 and related spectra, obtained in the moderate-supercritical range. Presumably, oscillations do not amplify at the intermediate supercritical states because the instability associated with such transient states does not have time to develop. In the first supercritical regimes, we are able to distinguish both inflow and outflow boundaries (figure 2a). The supercritical regime is defined as when the propagation speed of the disturbance is less than the speed of the gravity current. We note further that the experimental data show the upstream flow to be not only jet-like, but supercritical. The steady, supercritical motion, the heat transport and the stability of the motion have been examined. We may refer to flows which exhibit this feature as being 'supercritical', or as permitting disturbances under supercritical conditions. Experimental-observation of a radiative wave generated in xenon by a laser-driven supercritical shock. Initial particle density is supercritical, and a single high density peak forms. Below are presented the results of the analysis of the efficiency of laser radiation absorption in supercritical foam matter with a hairlike structure, such as agar-agar. While super sonic solitons are found to be admissible in both the sub- and supercritical parameter regimes, subsonic propagation near the dust-acoustic speed is possible only for the supercritical case. The gain was that the resulting branching process, which is still supercritical, has an eigenfunction that is not too unbalanced (does not become too large as becomes small). Finally, a step-down procedure starting from an oscillating flow in the supercritical range is always employed until a transition to a steady stable flow is observed. I n the rotating flow case the statement cannot be as strong, since the upstream, supercritical, inviscid flow is affected by the shape of the slug-sphere combination. The subcritical problem with a 'terminal' condition may, from the present point of view, be regarded as the inverse of the supercritical problem with an initial condition. In the present paper we shall refer to the inside of the neutral curve described above as the supercritical region, because the disturbances there amplify for small amplitudes. The variable 6 is the relative elongation of a material line element directed along the stretched polymer chains, from the point where the supercritical unravelling of the macromolecules began. Within time, the channel bed devolved into a series of steps, each characterized by a short, extremely steep waterfall-like zone of supercritical flow ending in a hydraulic jump. The diagonal bed form is associated with the water-surface undulation which is a disturbance across which the flow changes from supercritical to subcritical or vice versa. We have shown that out of the six possible types of flows, only the supercritical flows, the subcritical flows with two trains of waves and the 'generalised critical' flows exist. A hydraulic jump occurs in front of an obstacle a t a location where the supercritical flow has lost enough momentum to match the downstream conditions. Compositions and volumes of supercritical fluids in the earth's crust. If not, the flow is supercritical. Like the better-known hydraulic jump the vortex jump is considered to be a finite amplitude transition from an initial supercritical flow to a subcritical conjugate flow. As step sharpness increases, the relative length of the zone of subcritical flow increases at the expense of that of supercritical flow. Due to this reason, even for the case of supercritical average density foam the laser-produced plasma has statistically distributed regions with the density less than critical plasma density. We suggest that in certain astrophysical scenarios the electromagnetic forces can achieve a supercritical mass-to-flux ratio in a magnetized cloud before dynamical collapse due to gravity takes over. Visual observations of supercritical jlows. The options include supercritical or advanced pulverised fuel, atmospheric fluidised bed combustion, pressurised fluidised bed combustion, integrated gasification combined cycle and air gasification-gas turbine. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 We must be supercritical in our analysis of the amount of money that has to be spent. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 One uses a heavy coal-derived liquid to dislodge the hydrocarbon structures within the coal substance; the other uses supercritical gases. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 The novel technologies include microchemical engineering, auxetic materials, sensing technologies, new methods of separation, laser technology, biotechnologies and supercritical fluid separation. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 There was inherent in this the possibility that if the water supply failed the reactor could become supercritical. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 Therefore, nitrogen (or compressed air) in a gas cylinder above this pressure is actually a supercritical fluid. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Pre-steamed beans are immersed in supercritical carbon dioxide in a pressure chamber at 73 to 300 atmospheres. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The two coal-fired units are base-loaded supercritical steam units which went into operation in 1970 and 1971. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Carbon dioxide is the most common supercritical solvent. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The depth upstream of a hydraulic jump is always supercritical, and the depth downstream of a hydraulic jump is always subcritical. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. However, many modern engines with turbopumps use supercritical coolants, and these techniques can be seldom used. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Nitrous oxide has similar physical behavior to carbon dioxide, but is a powerful oxidizer in its supercritical state. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Supercritical water has a history of application in nuclear processes, such as heat transfer and integration, but has not widely been explored in biomass conversion. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The original goal for the development of this method was to enable the estimation of properties of mixtures which contain supercritical components. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. During part of this process, the assembly is supercritical, but not yet in an optimal state for a chain reaction. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Supercritical carbon dioxide is also an important emerging natural refrigerant, being used in new, low carbon solutions for domestic heat pumps. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The supercritical carbon dioxide in these processes is reacted with the alkaline components of fully hardened hydraulic cement or gypsum plaster to form various carbonates. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The most common such exploitation is the use of water above the so-called critical point, or so-called supercritical steam. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The depth upstream of a hydraulic jump is always supercritical. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Carbon dioxide can also be used in supercritical cycle nuclear power plants, with similar efficiency gains. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Supercritical fluids are suitable as a substitute for organic solvents in a range of industrial and laboratory processes. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The supercritical airfoil shape is incorporated into the design of a supercritical wing. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Flow travelling at a depth greater than the critical depth is subcritical, and flow travelling at a depth less than the critical depth is supercritical. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The core themes of his work are supercritical fluids, infrared spectroscopy and lasers. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Supercritical water has recently been a topic of research. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. She helped develop a program in supercritical fluid extraction technology. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. A combination of these technologies, along with supercritical wings, composites and artificially stable control systems would improve fuel economy of future airliners by 60%. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The strategy is to look at the usefulness of supercritical hydrothermal fluids as an economic energy source. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In industry, she did pioneering work on supercritical fluid extraction. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. We have so far considered supercritical and subcritical flow past a rigid free surface obstruction (surfboard). Let us recall the order of magnitudes in the supercritical case. However, it has long been recognized that this formulation runs into difficulties when flows develop a supercritical section. The flow over the intrusion is almost supercritical. They found two regimes in the solution: subcritical and supercritical. However, it is thus proved by the weakly nonlinear stability analysis that a supercritical pitchfork bifurcation occurs at the critical point. The flow in that portion that travels over the body can be supercritical or subcritical. The former involve smooth and wave-less supercritical flows above the body, and exist only above a certain well-defined speed. In both the subcritical and supercritical regions the size of the largest component has an asymptotic value which it achieves with high probability. As we shall see only the supercritical flows, the subcritical flows with two trains of waves and the generalised critical flows exist. Both bifurcations are "supercritical," whereby an attracting orbit or cycle emerges as the subsidy rate passes a critical value. Lastly, details of the observed flows could be measured as a function of the experimental parameters to indicate the nature of the supercritical penetrative flows. The initial bifurcation (a pitchfork) gives rise to supercritical branches of diagonal rolls and small squares, of which only the latter are stable. Each step is characterized by an upstream region of subcritical flow and a downstream region of supercritical flow ending in a hydraulic jump. 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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