| 词汇 | example_english_plume |
| 释义 | Examples of plumeThese 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. Investigation of laser ablated plumes using fast photography. The growth of basal solid released plumes of compositionally depleted fluid from the floor. The transition is typically associated with intermittent bursts, which may involve spatially modulated oscillations and merging or splitting of individual plumes. At any instant the spatial pattern is irregular and video sequences show that individual plumes grow, decay and disappear aperiodically. Owing to the stratification these plumes expand rapidly as they impinge upon the upper boundary. They are again disposed on an irregular hexagonal lattice but the number of plumes is different and there is no reflection symmetry. Even on the vertical wall in figures 8(d) and 9(d), only a few plumes penetrate. In the corners themselves are plumes of the same sign as in the centre. He extends this effort here with a new text specifically dedicated to a description of mantle plumes, their causes, and their effects on surface geology. Using real water or air-borne plumes, or real antennae sensors, saves effort in modelling and makes validation more straightforward. There is no entrainment into these plumes, even a t zero surface tension. Next, alternate plumes develop an annular structure with a sinking core and then split apart to form imperfect tiny squares (with five plumes). Convection is strongly aperiodic but the plumes now tend to be disposed in patterns that are roughly hexagonal. The basic sequence, starting with steady convection in an irregular hexagonal pattern and proceeding via intermittent behaviour to chaotic large-scale plumes, is repeated. Almost symmetric patterns alternate aperiodically with episodes when plumes migrate and amalgamate, squeezing out their intermediate neighbours. Motions at the vertical walls do not extend from bottom to top in conjunction with plumes, but are dominated by forcing from the interior. The rising plumes swing to and fro and the upper flux concentration moves between them. The possible tectonic environments include continental magmatic arc regions, hot spots driven by mantle plumes, or continental rift regions. 91 shows out-streaming plasma plumes with a different, but still related behavior. In the absence of prepulse there are two distinct plumes out of each of the two blue foci. Only isolated plumes are observed that are swept by intermediate-scale flows. Two-wavelength interferometry on excimer laser induced vapor plasma plumes during the laser pulse. The origin of this phenomenon is similar to previously presented data on resonance-induced enhancement of single harmonics from specific plumes. Both, short (thermals) and long (plumes) duration heat sources were studied. In regions where the field is strong, motion is restricted to slender and relatively feeble plumes, while regions with vigorous convection are almost field-free. The morphology of these plumes strongly depends upon the viscosity ratio and surface tension. In the vertical slices through the centre in figures 8(c) and 9(c), there are no plumes that penetrate from boundary to boundary. The determined student who wants to extend our understanding of mantle plumes using mathematical modelling can get the necessary equations elsewhere. One could argue that, in dynamical and thermal terms, plumes and subducted slabs are equally important features in the convecting mantle. The chapter on super plumes is probably the most speculative material in the book. The structures through the centre could be characterized as chimneys containing conglomerations of plumes and isolated plumes disappear. The large-scale patterns through the centre were conglomerations of thin plumes originating in the boundary layer. Starting plumes and continental break-up. By using plumes produced from specific materials, coincidental overlap between the harmonic wavelength and a strong radiative transition of ions can lead to notable increase in the harmonic yield. Taking advantage of these characteristics of hydrothermal plumes provides the key to systematic exploration for hydrothermal activity along previously unexplored sections of the global ridge crest. When the viscosity of the overlying fluid is smaller than that of the layer, the plumes take the form of a compact column of rising fluid. In these solutions adjacent plumes wax and wane alternately in strength, so that the velocity reverses at the top of the layer but not at its base. Virtual reality may offer "photorealistic" environments for visual stimuli, but modelling turbulent chemical plumes or even sound propagation in an environment of varied surfaces is still extremely difficult. Where anodes were in upwellings, and allowed more than a single node to be made visible, there is evidence of a substantial decrease in the scale of the convective plumes. In this paper, we demonstrate the active control of intensity enhancement of single harmonics using plumes of various materials, by varying the chirp of the pump laser. The overall pattern of intermittency is unchanged but bursting now occurs sporadically over the computational region, while smaller plumes return locally, without the symmetry associated with an invariant subspace. Thus, hydrothermal plumes provide a much greater spatial ' footprint ' above any section of mid-ocean ridge crest than the high-temperature vent-fields that source them (typically f100 m across). Chapter 2 summarizes basic concepts and data pertaining to hotspots and considers the ways in which mantle plumes may interact with the overall convective flow, and with the moving lithosphere. We determined the electron density, ionization level, and ion density of these plumes as a function of the prepulse intensity, at 300 mm from the target surface. The broad and vigorous plumes assemble into clusters and succeed in expelling magnetic flux into a region where the field is locally so strong that only small-scale convection can occur. In being swept, these individual plumes tend not to cross the entire domain, although their penetration into the interior seems to be much greater than the thermal boundary layer thickness. As yet these plumes have not been shown to cause other than localised changes but there remain concerns about the possible transmission of diseases to wildlife. Long-wavelength modulation allows magnetic flux to separate from the motion, giving regions with strong fields and small-scale convection, and clusters of large plumes in regions that are almost field-free. Subcontinental mantle plumes, hotspots and pre-existing thinspots. Laser-induced fluorescence in laser-produced sample plumes. His plumes have been considerably bedraggled since that day. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 Plumes of black smoke arose from that beautiful site, day in and day out. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 The importation of these plumes is now forbidden. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 The presence of visible emissions or steam plumes is likely to be dependent on the chosen methods of emission control. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 He was a formidable figure at that time, plumes and all. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 The plumes include industrial pollutants that have been discharged into the sea and settled over time on the sea bed. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 We shall still have steam plumes no matter what type of generation is used. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 They cannot be inspected by officers in plumes and scarlet coats yet say that they have no desire to be associated with the military. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 He plumed himself on the fact that the credit of the country stood as high now as it did then. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 The "plumes" to which many people referred must present a serious health hazard. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 One hundred and forty-five thousand birds' plumes imported in one consignment! From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 The plumes of these beautiful birds are cut from them before they are half dead during the breeding season, and the young ones are left to starve to death. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 Really, is a lady who wears these plumes in her hat to have the satisfaction of feeling that, after all, she is helping to support the exchange? From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 If we could only make women realise the true sense of their duty and abstain from wearing these plumes of course the whole thing would be done. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 The crests were usually made of plumes or horse hair. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. They are black-footed and have white ornamental plumes strewn about the head and neck in breeding plumage. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Astronomers noticed dark plumes rising to some 8 km above the surface, and depositing material up to 150 km downwind. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Extending the time duration of plume removal beyond 10 ms does not result in a significant decrease in energy. Increases in plume temperature enhance the validity of the assumption. The mass of the plume slab is determined by the amount of material ejected from the target when thermalized by the electron beam. The plume density is about 7.7 10 20 ions 0m 3. Depending on the size of the particles and water currents the plumes could spread over vast areas. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The optimal position of the focal spot was found to be at the distance of 6 mm before the laser-produced plume. In general, the laser-heated plasma volume is smaller than the cluster plume. A medium-blue cloth helmet is worn, with plumes for gala occasions. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In addition, mantle plumes may heat the lithosphere and cause prodigious igneous activity. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In the final quarter of the 19th century, plumes, and even whole birds, decorated the hair, hats, and dresses of women. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The value of b is on the order of a few thousand indicating that plume is in the diamagnetic limits. Initially, as the plasma plume is formed, the particle pressure is very high due to high value of pressure and density. In some applications, a second laser pulse is used to reheat the ablation plume, or to selectively excite a specific analyte. The plume formation is considered as a first-kind phase transition. A significant minority of low-luminosity sources exhibit structures usually known as "plumes" which are much more elongated. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The wing tips and plumes of ostrich-like feathers on its rear were black. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. We find that for zero or moderate surface tension the speed at which a drop or plume rises increases algebraically with time. The size of the drop leading a plume is roughly proportional to the initial thickness of the layer. At the outer edges of the plume, however, the production and destruction terms rapidly approach zero and advection and transport balance each other. The dominant causal effect of mantle plumes is again emphasized. Numerical simulation of convective plumes allows estimation of the maximum rate at which substrates and nutrients could be delivered to any microbial communities living therein. The earlier plumes may have reached the bottom of the layer but the later plumes are unable to do so. Thus, the rising cylindrical plumes will transform into spherical drops. The role of mantle plumes, particularly in the generation of flood basaltic magmas, has been emphasized by many authors. Concerns about the impacts of coastal sewage discharges have led to the mapping of sewage plumes around outfalls from a number of research stations. In contrast, odorant stimuli possess both spatial and temporal character, snaking out complex plumes that can wander over a wide area. He looks much better in these borrowed plumes than when dressed as the secretary. In each case the plumes appear in rows parallel to the x-axis. Once again, there is a transition through more complicated intermittent bursts to largescale plumes. The bones and plumes are rolled in invisible leather packs tied to its spiny back. The room was sumptuously swathed in black fabric, hung with huge cascading black plumes that many who saw them likened to feathery chandeliers. Less noticeable are smaller fluctuations in the three established plumes. When the layer is more viscous than the overlying fluid, the layer evolves into an array of compact rising plumes. 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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