| 单词 | formation |
| 释义 | formation (fɔːʳmeɪʃən ) Word forms: formations 1. uncountable noun The formation of something is the starting or creation of it. ...the formation of a new government. [+ of] Synonyms: establishment, founding, forming, setting up 2. uncountable noun The formation of an idea, habit, relationship, or character is the process of developing and establishing it. My profession had an important influence in the formation of my character and temperament. [+ of] Synonyms: development, shaping, constitution, evolution 3. countable noun [usually in NOUN] If people or things are in formation, they are arranged in a particular pattern as they move. He was flying in formation with seven other jets. The dancers step into a formation which represents the human being. Synonyms: arrangement, grouping, figure, design 4. countable noun [noun NOUN] A rock or cloud formation is rock or cloud of a particular shape or structure. ...a vast rock formation shaped like a pillar. Enormous cloud formations formed a purple mass. Collocations: formation of ice crystals These steps discourage the formation of ice crystals. Times, Sunday Times Seeding clouds involves inserting large quantities of a nucleating agent into clouds to facilitate the formation of ice crystals. Retrieved from Wikipedia CC BY-SA 3.0 By preventing the formation of ice crystals in tissues, organs could be stored at lower temperatures, increasing their lifespan outside a living body. Retrieved from Wikipedia CC BY-SA 3.0 The freezing process results in the formation of ice crystals and their subsequent increase in size. Retrieved from Wikipedia CC BY-SA 3.0 Vitrification can also occur when starting with a liquid such as water, usually through very rapid cooling or the introduction of agents that suppress the formation of ice crystals. Retrieved from Wikipedia CC BY-SA 3.0 Topics for discussion range from the formation of planets to forthcoming missions to explore the solar system. Times, Sunday Times A smaller amount of metal makes the formation of planets much less likely, under the solar nebula theory of planetary system formation. Retrieved from Wikipedia CC BY-SA 3.0 The cycle of stellar birth and death slowly increases the abundance of heavy elements, eventually allowing the formation of planets. Retrieved from Wikipedia CC BY-SA 3.0 He works on the theory of accretion disks, with particular application to the formation of planets. Retrieved from Wikipedia CC BY-SA 3.0 This finding suggests that complex organic molecules may form in stellar systems prior to the formation of planets, eventually arriving on young planets early in their formation. Retrieved from Wikipedia CC BY-SA 3.0 He also made seminal contributions to a broad range of astronomical topics, among them: classifying galaxies and understanding galaxy formation and evolution. Times, Sunday Times Massive galaxies are considered to be at the pinnacle of galaxy formation because their growth relies on the destruction of smaller galaxies. Retrieved from Wikipedia CC BY-SA 3.0 By studying infrared light, it will be able to see through the clouds of dust that obscure the astronomer's view of star and galaxy formation. Times, Sunday Times In my field, we call this framework the “hierarchical scenario” of galaxy formation because it represents a hierarchy of galaxies: the more massive ones grow by devouring smaller ones. Retrieved from Wikipedia CC BY-SA 3.0 This would then mean that current theories of galaxy formation and evolution greatly over-predict the number of mergers in the past few billion years. Retrieved from Wikipedia CC BY-SA 3.0 The ablation occurs by gas formation during polymerization. Retrieved from Wikipedia CC BY-SA 3.0 Higher voltages than rated voltage cause hydrogen gas formation or a short circuit. Retrieved from Wikipedia CC BY-SA 3.0 The oil and gas formation lies 1660 metres (5,445 ft) below the surface of the ground. Retrieved from Wikipedia CC BY-SA 3.0 The majority of strains are capable of fermentation of sugars without gas formation (most importantly, glucose and galactose, older cultures are reported to also metabolize maltose and starch). Retrieved from Wikipedia CC BY-SA 3.0 The program applied two technologies that had been developed previously by industry, massive hydraulic fracturing and horizontal drilling, to shale gas formations. Retrieved from Wikipedia CC BY-SA 3.0 Most of the natural steps, a geologic formation, still stand today and are used as a marker for river runners. Retrieved from Wikipedia CC BY-SA 3.0 This geologic formation displayed cross-bedding features, clear indicators of past interactions with water flows. Retrieved from Wikipedia CC BY-SA 3.0 This geologic formation contains carbonates above a layer of water-impermeable glauconite, which keeps the soil above from draining, leaving the area quite moist. Retrieved from Wikipedia CC BY-SA 3.0 Thousands of barrels per day were recovered by skimming the river, as well as drilling shallow wells, above the capping geologic formation, capturing oil before it reached ground surface. Retrieved from Wikipedia CC BY-SA 3.0 Moreover, no geologic formation of adequate size for a permanent radioactive waste repository has yet been discovered that has been stable for so long a period. Retrieved from Wikipedia CC BY-SA 3.0 In my house, a pile of papers can take on the permanence of a geological formation. Times, Sunday Times Really, it's a remarkable geological formation. Times, Sunday Times The irregular geological formation of the island cause numerous natural springs, notably in the northeast of the island. Retrieved from Wikipedia CC BY-SA 3.0 Fossils may be found either associated with a geological formation or at a single site. Retrieved from Wikipedia CC BY-SA 3.0 In its geological formation the conglomerate or pebbly sandstone forms the underlying of the township. Retrieved from Wikipedia CC BY-SA 3.0 Household formation and marriage rates are rising again. Times, Sunday Times Despite the improvement, the number of new homes built was about half the estimated level of household formation, worsening the country's chronic housing shortage. Times, Sunday Times On the plus side, household formation reversed its decline and increased more or less steadily last year. Times, Sunday Times Never talk about houses when you can reference 'household formation'. Times, Sunday Times Actually, we need to build at least 236,000 homes a year just to keep up with current rates of household formation. Times, Sunday Times During this time they go through a number of developmental transitions built around early identity formation. Times, Sunday Times Self-esteem and identity formation can be challenging, particularly in adolescence. Times, Sunday Times The process of identity formation emerges in adolescence but mostly takes place in emerging adulthood. Retrieved from Wikipedia CC BY-SA 3.0 Sociocultural influences are playing a different role identity formation now than they have in the past. Retrieved from Wikipedia CC BY-SA 3.0 Identity formation provides added motivation for using cognitive processes to ensure recall of these memories. Retrieved from Wikipedia CC BY-SA 3.0 Laboratory tests show that extracts of the plant have some antimicrobial activity and inhibit the formation of biofilms. Retrieved from Wikipedia CC BY-SA 3.0 These may inhibit the formation of traumatic memories by blocking adrenaline's effects on the amygdala. Retrieved from Wikipedia CC BY-SA 3.0 Low doses of colchicine can inhibit the formation of microtubules, while high doses depolymerize or break down a polymer to a monomer. Retrieved from Wikipedia CC BY-SA 3.0 This process will inhibit the formation of memory by preventing learning of the observed stimuli. Retrieved from Wikipedia CC BY-SA 3.0 The substitution of another amino acid for glycine in this chain inhibits the formation of stable, triple-stranded, ropelike collagen molecules. Retrieved from Wikipedia CC BY-SA 3.0 It thrives on sandy to clay-loam soil as well as in areas with limestone formation. Retrieved from Wikipedia CC BY-SA 3.0 They are of limestone formation, have no permanent streams, and very little wood, but are covered with tall grass. Retrieved from Wikipedia CC BY-SA 3.0 Weddings are also performed deep in the cave, on top of a limestone formation that resembles a heart shape. Retrieved from Wikipedia CC BY-SA 3.0 The limestone formation itself was created about 500 million years ago in more southerly seas. Retrieved from Wikipedia CC BY-SA 3.0 The limestone formation rises 20 m above sea level. Retrieved from Wikipedia CC BY-SA 3.0 In 1999, however, scientists showed that humans do manufacture new neurons in one brain area at least - the hippocampus, crucial to memory formation. Times, Sunday Times These cause significant changes to parts of the brain, particularly the hippocampus, the region where learning and memory formation appear to be located. Times, Sunday Times Now studies show that it enhances memory if you sleep within a few hours of learning something new - and that sleep deprivation disrupts memory formation. Times, Sunday Times Potatoes, tomatoes, and aubergines all contain chemicals that raise levels of acetylcholine, a substance you need for alertness and memory formation. The Sun For he had discovered that the parts of the brain he had removed were basic to memory formation. Times, Sunday Times The theory sounds straightforward, but it actually helps circumvent a conundrum that’s puzzled physicists for years: the so-called bouncing barrier to planetary formation. Retrieved from Wikipedia CC BY-SA 3.0 That’s all great in theory, but scientists have long struggled to understand the forces that governed planetary formation. Retrieved from Wikipedia CC BY-SA 3.0 There are two theories about planetary formation. Times,Sunday Times The excitation and depletion of the asteroid belt must have occurred during the planetary formation era. Retrieved from Wikipedia CC BY-SA 3.0 It will study the origin of life supporting environments and the process of planetary formation. Retrieved from Wikipedia CC BY-SA 3.0 It contains myoxinol, a muscle-relaxing ingredient that helps prevent the formation of wrinkles and ageing of skin cells, to leave you looking youthful! The Sun Hydrating and brightening, gold reacts with skin cells to prevent the formation of wrinkles. The Sun It could be because engineers have a more thorough understanding of the kinds of temperatures that are needed to either break down or prevent the formation of noxious materials. Globe and Mail The other secondary structure, if formed, would prevent the formation of this secondary structure and thus the terminator. Retrieved from Wikipedia CC BY-SA 3.0 The buds may be shielded from sunlight to prevent the formation of chlorophyll. Retrieved from Wikipedia CC BY-SA 3.0 Plaques can become unstable, rupture, and additionally promote the formation of a blood clot that occludes the artery; this can occur in minutes. Retrieved from Wikipedia CC BY-SA 3.0 This would promote the formation of a new eyewall. Retrieved from Wikipedia CC BY-SA 3.0 In reactions involving symmetric transition states these properties work in concert to induce asymmetry and thus promote the formation of a single product. Retrieved from Wikipedia CC BY-SA 3.0 They are said to be good for chest colds and to promote the formation of new blood cells. Retrieved from Wikipedia CC BY-SA 3.0 Disturbed flow patterns can promote the formation of valves and increasing pressure can affect the radial growth of vessels. Retrieved from Wikipedia CC BY-SA 3.0 The pair then inched their way along the sandstone formation to safety before having a picnic. The Sun The sandstone formation records signatures dating to at least the 1850s. Retrieved from Wikipedia CC BY-SA 3.0 It was in a sandstone formation that made a natural stone corral. Retrieved from Wikipedia CC BY-SA 3.0 The northern part of the district forms an irregular plain of the sandstone formation. Retrieved from Wikipedia CC BY-SA 3.0 This sandstone formation may be as thick as 2700 metres. Retrieved from Wikipedia CC BY-SA 3.0 There's really not enough else happening within the dynamic of the small group that would rise to the level of spiritual formation. Christianity Today And it also doesn't mean that missional small groups do not seriously engage in spiritual formation in the lives of its members. Christianity Today At the same time, individual parishioners' appetites drive deep hunger for spiritual formation. Christianity Today At the same time, spiritual formation cannot be considered simply an option or an 'advanced spirituality'; program that only the 'really deep'; people can handle. Christianity Today Groups should always be about spiritual formation, rather than creating a separate ministry, class, or program. Christianity Today Gravitational interactions between the two triggered the star formation that makes the spiral arms so prominent. Times, Sunday Times (2011) Protoplanetary discs are a natural consequence of the star formation process and as such are ubiquitous around low-mass stars. 2013, 'The dispersal of protoplanetary discs', EPJ Web of Conferences They formed a mid-air star formation. The Sun (2007) This in turn reduces water loss through evaporation, but these stress signals also stimulate the formation of fruit or seeds in a sort of reproductive reflex. Times, Sunday Times Removal of these bodies appears to stimulate the formation of new ones in the same place. Retrieved from Wikipedia CC BY-SA 3.0 These factors stimulate the formation of new blood vessels (angiogenesis). Retrieved from Wikipedia CC BY-SA 3.0 Among the secreted chemicals are those that stimulate the formation of blood cells and blood vessels; pyrogens, the fever-producing substances; and enzymes involved in lipoprotein metabolism. Retrieved from Wikipedia CC BY-SA 3.0 Through a number of mechanisms anabolic steroids stimulate the formation of muscle cells and hence cause an increase in the size of skeletal muscles, leading to increased strength. Retrieved from Wikipedia CC BY-SA 3.0 We were still flying a very tight formation, so you couldn’t keep gazing out, but our gunners were whooping and hollering. Retrieved from Wikipedia CC BY-SA 3.0 Helicopters and fighter jets roared overhead in tight formation. Times, Sunday Times Flocks of these tanagers stay in tight formation, often foraging from tree to tree together. Retrieved from Wikipedia CC BY-SA 3.0 Her outfit was a dark, buttonedup uniform, and she moved in tight formation with her dancers. Retrieved from Wikipedia CC BY-SA 3.0 Not only did the team perform standard loops and rolls in very tight formation, they also introduced their own trademark maneuvers. Retrieved from Wikipedia CC BY-SA 3.0 They are used as an in vitro model to evaluate early extraembryonic tissue formation and differentiation process. 2018, '5-Aza Exposure Improves Reprogramming Process Through Embryoid Body Formation in Human Gingival Stem Cells', Frontiers in Genetics A biopsy forceps was used to de-epithelialize both ends of the fistulous tract to promote granulation tissue formation. 2011, 'Percutaneous endoscopic suturing is an alternative treatment for persistent gastrocutaneous post-PEG fistula La sutura endoscópico-percutánea es una alternativa terapéutica en la fístula gastrocutánea persistente post-PEG', Revista Espanola de Enfermedades Digestivas Complications were minor and mostly included granulation tissue formation. 2010, 'Flexible bronchoscopic management of benign tracheal stenosis: long term follow-up of 115 patients', Journal of Cardiothoracic Surgery Recent research has also indicated that aspirin can trigger the formation of nitric oxide, which makes white blood cells better able to deal with infection. Times, Sunday Times In order to trigger the formation of fruiting bodies, many fungal species require specific environmental conditions. Retrieved from Wikipedia CC BY-SA 3.0 Furthermore, the expanding shock waves from supernova explosions can trigger the formation of new stars. Retrieved from Wikipedia CC BY-SA 3.0 Through globalization, world polity and culture trigger the formation of enactable cultures and organizations while in return cultures and organizations elaborate the world society further. Retrieved from Wikipedia CC BY-SA 3.0 Both the membrane molecular pattern and the internal contents of the vesicle depend on the cellular origin and the molecular processes triggering their formation. Retrieved from Wikipedia CC BY-SA 3.0 These volcanic cones reach 5808m ft at its highest point, forming the highest active volcanic formation in the northern hemisphere. Retrieved from Wikipedia CC BY-SA 3.0 On the 21st we had travelled about two miles when we came to the end of the volcanic formation, and noticed the water running eastward. Retrieved from Wikipedia CC BY-SA 3.0 The island consists of an extinct volcano and a variety of red, orange, green, and glistening black volcanic formations. Retrieved from Wikipedia CC BY-SA 3.0 The mountains have many sharp cliffs and rises, as well as several volcanic formations. Retrieved from Wikipedia CC BY-SA 3.0 Translations: Chinese: 始创 Japanese: 編成 |
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