词汇 | diffusion |
释义 | diffusion noun[ U ] uk /dɪˈfjuː.ʒən/ us /dɪˈfjuː.ʒən/ the action of spreading in many directions: 扩散;传播;散布 diffusion ofPowerful global institutions drive the diffusion of new technologies. 强大的全球机构推动了新技术的传播。 Modern communications make the diffusion of ideas extremely rapid.现代通讯使思想的传播极为迅速。 (of a gas or liquid) the process of spreading through or into a surrounding substance by mixing with it: (气体或液体的)扩散 the process of diffusion in gases/liquids/solids气体/液体/固体中的扩散过程 The inward diffusion of oxygen was fairly rapid at room temperature.在室温下,氧气的内向扩散相当迅速。 See diffuse The government needs to promote wider diffusion of e-commerce in the economy. There was a rapid diffusion of the crisis from one country to all countries in the region. He never shared their belief in progress through the advancement of science or diffusion of knowledge. Spreading and scattering all over the placeidiom bedaub bell bestrew billow dispersion disseminate dotted around dredge dusting encroach on/upon something fan out rambling scatteringly slap something on slather smear smudge smudgily sprinkle You can also find related words, phrases, and synonyms in the topics: Physical & chemical processes diffusion | American Dictionarydiffusion noun[ U ] us/dɪˈfju·ʒən/ science (of gases and liquids) the process of spreading into a surrounding substance biology Diffusion is also the method by which substances pass in and out of cells through their membrane (= outside covering). physics Diffusion is also the way light spreads when it is reflected from a rough surface or passed through a translucent substance (= substance that allows only some light to pass through). diffusion | Business Englishdiffusion noun[ U ] uk /dɪˈfjuːʒən/us MARKETING, COMMUNICATIONS the process by which information, ideas, changes in behaviour, etc. spread through a group of people: The research looks at factors influencing the diffusion of innovative products in consumer markets. Examples of diffusiondiffusion Thus, the longitudinal diffusion and the length of striations are reduced significantly. A mechanism is studied of the heterogeneity coefficient dissipation due to molecular diffusion. Other elements of spatial diffusion, however, also emerge in this research. The turbulence energy balance is examined, including the separate effects of vertical diffusion of pressure and local kinetic energy. This would again suggest turbulent diffusion times of around 3000 years, which would then be the time required for achieving global homochirality in the ocean. A commonly used procedure to estimate turbulent diffusion times is in terms of enhanced turbulent (eddy) diffusivities. Here we have made the additional assumption that vertical diffusion of solute is negligible. On the other hand, vertical flows are also important, particularly in their application to the aerosol diffusion in the atmosphere and upper ocean biogeochemistry. These knots persist for a time of the order of the vertical thermal diffusion time. Stage 3 is characterized by the diffusion of the standard preverbal particle non along with the growing amount of verbal utterances. We wanted to test if this diffusion of the ingested fluorophores might be through the process of endocytosis. Thus, we have performed a study of nonresonant electron diffusion in a single plasma. Unfavourable dynamics and spin diffusion effects also make a quantitative analysis difficult. However, the introduction of information diffusion leads to the possibility of multiple equilibria and can expand the parameter space of potential learnable equilibria. The renormalization method of quasilinear equations to treat the diffusion of magnetic force lines is considered. 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. Collocations withdiffusiondiffusionThese are words often used in combination with diffusion. Click on a collocation to see more examples of it. cultural diffusion This would help to ensure their wide culturaldiffusion. diffusion barrier In the presence of a diffusionbarrier, molecules will diffuse more slowly than when in simple aqueous solution. diffusion method To further confuse the issue, the gaseous diffusion method was not the only means of producing enriched uranium. 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. See all collocations with diffusion |
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