| 词汇 | example_english_vapour |
| 释义 | Examples of vapourThese 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. Despite the cold wet wind blowing in hard from the street, the cloud of mephitic vapours lingered stupefyingly about our heads. The ticks proved very susceptible to the effects of the vapours of ammonia and clove oil respectively. The idea that decomposing organic matter released vapours that generated acute diseases and general illhealth in humans was generally applicable to organic wastes. There is also evidence that there is water within the mantle and these vapours and gases can be observed during volcanic eruptions. Evaporation and condensation take place many times as the vapours rise up the column. Under such conditions vapours diffuse through the porous surface layer. Everything is still chaos, but, slowly, ghosts are transformed into living flesh, floating vapours turn solid, and - who knows? When the mixture is heated, ethanol and water vapours enter the fractionating column. The cracked vapours containing smaller molecules are separated by distillation. Suddenly a goat's head appears, growing to huge proportions; the room fills with red light, mephitic vapours exude from the goat's nostrils. The vapours of a large number of substances were tested and in practically every case the ticks proved susceptible to the odours. They changed by the minute as the clouds crossed them; the clouds themselves, impenetrable mass or the wispiest of vapours. Previously people thought infections were carried by smells or by mysterious vapours. The "vapours," like all the other insubstantial, ghostly notions in this story, have become real, and the woman falls down dead, with pleasure. Exposure of the insects was therefore always to the vapours emanating from the plant tissue upon hydrolysis. In contrast, their sensitivity to the vapours released from mustard tissue, of a type grown for condiment production, reflected the pungent properties imparted by isothiocyanate-liberating glucosinolates. Meridional wind is essential for the global, interhemispheric transport of water vapour. The carbon vapour ejected into the circumstellar medium by the carbon-rich giant stars is made by polyynes chains. Although the need for vapour-proof containers has often been emphasized, this message has clearly not reached all the prospective users. During the evening, the water vapour condensed on the internal components of the wall panel when the ambient air temperature dropped. Using the hex-path algorithm a robotic system was able to locate a source of ethanol vapour buried in sand. Since the two [vapours] are generated by these two [elements], hair does not consist of wet vapour, but of dry smoky vapour. In principle, gt was computed as the ratio between transpiration rate and the water vapour concentration difference between the leaf interior and the outside air. Most are indurated by vapour phase alteration of the phonolite glass ash matrix. The phenomenon is also of importance in droplet combustion, and liquid metal vapour power cycles. Consider the steady movement of a fluid meniscus displacing air or its own vapour in a circular capillary. Note that most data points plot along the thermal trough at water vapour pressures ranging from 5 to 0.5 kbar. If the vapour diffuses in one direction, the gas has to diffuse in the other direction to keep the pressure approximately constant. Because of low permeability to water vapour, these dressings are not dehydrating to the wound. As a result, we have a poor understanding of the relative contributions of liquid and vapour to seed imbibition. They concluded that unless this heat was dissipated, it would slow imbibition of vapour. In water uptake models that include vapour, procedures used to estimate potential vapour imbibition have underappreciated the effect of distance on diffusion rate. The user therefore has to interpolate from his measured wet-bulb temperature to find the vapour pressure or relative humidity. Sectioning and staining were carried out as described for the osmium vapour fixed samples. Most samples were processed within 2 days of collection or stored in liquid nitrogen vapour and processed within 1 week. To further contain the vapour, a small beaker was placed over the caps. The immediate source of water should be the atmospheric water vapour. We therefore speculate that a highly insulating foam of desorbed water vapour developed at the top of the sill. At little metabolic cost they would be able to scavenge the atmosphere for the little water vapour present. The second term represents the surface energy of the bounding droplet-vapour surface, and is the interfacial energy per unit area of the liquid-vapour interface. I n practice a cavity will contain liquid vapour and probably a small amount of permanent gas. Accordingly, a region of relatively inviscid vapour or exsolved volatiles in the crack tip is predicted and allowed for in the formulation of the problem. However, its importance depends crucially on the equilibrium vapour density, and when the latter is relatively small ('cold' liquid), the thermal effects can be neglected. We shall approximate the free surface between the liquid and vapour as being flat. If this logic is followed it is possible that in many cases a vapour control layer as a separate membrane will not be required. As the evaporation of molecules from the surface of the meteoroid increases, a vapour cloud starts to form around the meteoroid. As for atomic hydrogen, the lifetime of atomic nitrogen in its ground state is relatively long and sufficient to permit the reaction with carbon vapour. The available agents differ in their properties of permeability to water vapour and wound protection. We studied the possibility of the active growth of microorganisms in the vapour diffusion layer. The damaging potential of ultraviolet and particle radiation, the extremely low temperature and nonexistent vapour pressures exclude any forms of active life. The correction term is not significant if the vapour partial pressure is small. The resulting system was successful in locating a source of ethanol vapour buried in sand. The problem of diffusion distance appears to have affected several attempts to estimate the capacity of seeds to imbibe water vapour. Prehydration in water vapour was needed to prepare the embryoids for full imbibition. However, a bad seal can mask even superior water vapour barrier properties of materials. The actual contribution of container defects to vapour flux should be evaluated in replicated experiments. Apart from the stabilizing effect of gravity, stabilization can also arise from the effect of hotter liquid protruding into the cooler vapour region. Visual dysfunction following mercury exposure by breathing mercury vapour or by eating mercury-contaminated food. Consider a nematic liquid crystal in contact with its vapour across a curved interface. A high-speed cine camera was also used to investigate the flow using a constant intensity mercury-vapour light source. The main question is whether a sufficient amount of water vapour can be exsolved from the lava flow to produce such abnormally large geodic cavities. A similar expression applies in the region occupied by vapour but with p1 replaced by pv. The compound presents a very low vapour pressure at room temperature. Five high-frequency modes appear in the region 3800-1200 cmx1 of the vapour phase spectrum. Section 2 describes experiments to characterise the transport of ethanol vapour through sand. Other than the capacitor energy, the only external energy supplied to the experiment is solar heating of the fog and atmospheric water vapour. They are impermeable to moisture vapour and gases and are highly adherent to the skin. Perhaps, a very thin hydrophobic seed coating with excellent vapour permeability would work. Therefore, when attempts are made to estimate the capacity of seeds to imbibe water vapour, very short diffusion distances must be taken into account. Seeds were prehydrated with water vapour overnight to avoid imbibitional injury. Several studies have pointed out the importance of the vapour pressure deficit. The chemical vapour was fed into a plastic tube with holes that released the chemical around the edge of the disabled robot. The mercury-vapour lamp illuminates the beads in test section. Dark-field illumination of the tracer beads was obtained with a mercury-vapour lamp of brightness 40 000 cd cm-2. Experimental data are presented for the growth of vapour bubbles in various superheated liquids, such as carbon tetrachloride, benzene, ethyl alcohol, and methyl alcohol. From this follows the general rule that a vapour control layer should be on the warm side of thermal insulation. Attention was directed particularly to the determination of surface fluxes from the vertical variation of macroscopic (mean) properties, of wind speed, temperature and vapour pressure. The dry vapour corresponds to earth and fire, while the wet vapour corresponds to water and air. The assumption that the vapour pressure at the droplet surface is equal to pz is in general a poor one. The non-equilibrium processes occurring close to the surface cause rapid changes to occur in the vapour concentration. Among many things neglected in this analysis was the mean motion of the gas and vapour. The pressure in the vapour is equal, therefore, to the saturated vapour pressure for the fluids and the temperature concerned. The internal pressures of these cavities will be made equal to the liquid vapour pressure by the evaporation of some of the liquid into them. In our experiment we used a special vacuum chamber for the modelling process of ice sublimation and vapour diffusion while heating. However, in the generally arid environment, it is beneficial if the water vapour partial pressure is above about 50% for a significant fraction of time. We neglect any effect of the vapour necessarily present in the cavity. Immediately their front legs entered the region of the vapour the ticks precipitately retired and without exception avoided it. The great variety in eruptive styles reflects very rapid changes in fragmentation patterns and in the amount of released vapour, coupled to intermittent magma ascent. Thus, there is a clear correspondence between the composition of the carbon vapour in vacuum and the polyynes formed in a solvent. However, by making observations at high-altitude desert sites the amount of terrestrial water vapour above the telescope was greatly reduced. A greater proportion may have been present as vapour in a warmer epoch, exposing more land. The carbon isotopic composition of diamonds : relationship to diamond shape, colour, occurrences and vapour composition. The term 'occlusive' describes the lessened ability of a dressing to transmit moisture vapour from a wound to the external atmosphere. The vials were sealed with tape to prevent escape of the osmium vapour and were incubated at room temperature for several days. More detailed measurement of vapour imbibition will require careful experimental set-ups, where distances between liquid water films and the seed surface approach zero. 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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