| 单词 | low density |
| 例句 | Its low density makes it easy to shape, whether with a chisel, a plane, or a handsaw. The Boys in the Boat: Nine Americans and Their Epic Quest for Gold at the 1936 Berlin Olympics 2014-05-27T00:00:00Z An estimate of the population density of the United States based on the ratio of the total population over the total land area of the country implies a low density. Science doesn’t know everything 2013-06-02T18:00:00Z The low density of that spirit keeps it floating on the drink. Spirits: A cocktail that uses champagne bubbles for good, not evil They could see that the patina possessed a hierarchical structure made up of highly regular, micrometer-thick silica layers of alternating high and low density which resembled reflectors known as Bragg stacks. Buried ancient Roman glass formed substance with modern applications 2023-09-18T04:00:00Z Earlier research testing the “nothing to do here but drugs” thesis found that a low density of nonprofits and civic organizations within a community is indeed strongly tied to overdose death rates. One overlooked way to fight opioid deaths: Give people something to do | Opinion 2023-09-08T04:00:00Z But the plume is likely to be of low density, more like a diffuse, cold cloud than a damp spray. JWST Spots Biggest Water Plume Yet Spewing from a Moon of Saturn 2023-05-23T04:00:00Z "So it's hard for them sometimes to make a business case for the more remote and low density locations." In East Kentucky, timely weather forecasts are a matter of life and death 2023-04-17T04:00:00Z Worse, some American cities' land use consists of as much as 14% asphalt, thanks to poor planning and low density. Is a post-car future actually possible? Experts say yes — here's how we could do it 2023-04-09T04:00:00Z In contrast, butterfly and moth swarms don't seem to have as great an influence, because their mobs generally have low densities. Insect swarms create so much electricity that they may influence weather, study finds 2022-10-26T04:00:00Z “They were there all along, just at really low density,” said Ann Hajek, a professor in the department of entomology at Cornell University, where she began studying the moths in 1985, as a postdoctoral researcher. What to do if you see a spongy moth (or its very hungry caterpillars) 2022-10-13T04:00:00Z Cheetahs, even in the best African habitats, exist in very low densities, of about one animal per 38 square miles. Cheetahs return to India after going extinct there over 70 years ago 2022-09-17T04:00:00Z Initially, a protostar remains fairly cool with a very large radius and a very low density. Astronomy 2016-10-13T00:00:00Z In a given environment, one species may have very few individuals, or a low density, while another species has a much higher density, with many individuals. Miller & Levine Biology 2018-01-01T00:00:00Z Much of that uplift is a result of the relative low density of the granitic rocks compared with the surrounding rocks. Physical Geology 2015-01-01T00:00:00Z Continental crust has a relatively low density and composition similar to granite. An Introduction to Geology 2017-01-01T00:00:00Z When you have a low density of individuals, it’s like living in a small town where the pickings are slim. Perspective | The birds and the bees can be tough for some birds 2022-07-10T04:00:00Z Dr. Gao said the system’s three planets were nicknamed “super puffs,” with extremely low density that brings to mind Styrofoam or cotton candy and “challenge our understanding of how planets form and how they evolve.” Imagine Another World. Now Imagine 5,000 More. 2022-04-02T04:00:00Z Even if “only” 45% of residents want their low density, shouldn’t they have the opportunity to live that dream? Zoning: More single-family housing 2022-01-07T05:00:00Z As long as temperatures all the way to the ground are cold, too, this snow can pile up quickly due to its low density, and lack of compaction and melting. Perspective | Snow has character: Understanding it will help you better navigate winter 2021-11-29T05:00:00Z The town’s low density also helps too — with houses spread out amid parks and squares. Ukraine spa town stands out amid nation’s vaccine hesitancy 2021-12-09T05:00:00Z “When people are stressed and running for their lives, there’s a sweet spot at very low densities when you can get a very high amount of flow,” Laval says. Running of the bulls could help scientists prepare for catastrophe 2021-12-05T05:00:00Z Forests can still be intact, but animals, including apes, often are gone or occur only at very low density—a phenomenon called “empty forest syndrome.” Great Apes’ Biggest Threat Is Human Activity, Not Habitat Loss 2021-11-17T05:00:00Z Plastic’s generally low density means these fragments can easily be picked up by winds and blown around the world. How Airborne Microplastics Affect Climate Change 2021-10-20T04:00:00Z “Too much of the District, particularly the more affluent parts, are locked into fairly low density,” Schuetz said. Perspective | Bowser’s record investment in housing won’t fully meet need, but she’s putting the suburbs to shame 2021-05-30T04:00:00Z Because of hydrogen’s low density, it takes a lot of energy to move it through a pipe compared with denser gases such as methane or liquids such as petroleum. Can Natural Gas Be Part of a Low-Carbon Future? 2021-04-20T04:00:00Z JetBlue also will install 14 suites and two studios on new "low density" A321 planes that will fly between New York and Los Angeles starting in June. Google, Ford sign deal involving cloud services and Android technology in vehicles 2021-02-01T05:00:00Z “From an ecological perspective, that low density of oysters is just not what would be considered productive,” said Allison Colden, Maryland fisheries scientist for the Chesapeake Bay Foundation. Debate swirls over possible oyster harvest regulation 2020-12-21T05:00:00Z Housing is being fueled by record low interest rates and a pandemic-fueled migration to suburbs and low density areas. U.S. existing home sales near 14-year high in August 2020-09-22T04:00:00Z “This is success because of what you did and not success only because of the low density in Vermont,” Fauci said. Nation’s top disease doc praises Vermont virus efforts 2020-09-15T04:00:00Z Lithium is abundant and even found in seawater, but at such low densities that commercial extraction is not yet feasible. How Australia's 'white gold' could power the global electric vehicle revolution 2020-09-09T04:00:00Z The university had resumed some operations, at low density, in labs and other settings. Johns Hopkins switches to virtual fall semester as pandemic worsens, urges students not to return to Baltimore 2020-08-06T04:00:00Z It included a consultant’s radar research that showed a low density of migration and bird flight above the proposed turbines. A clean-energy project on Lake Erie faces stiff head winds because of warblers and waterfowl 2020-06-19T04:00:00Z Kelt 11b is a seemingly "puffed up" world with a very low density - hence the comparison with expanded foam. Cheops telescope begins study of far-off worlds 2020-04-16T04:00:00Z The final consensus seemed to be, “Let’s send it to the South and low density areas.” The scramble for the rapid coronavirus tests everybody wants 2020-04-01T04:00:00Z Because of its low density, most commercial plastic floats. The ocean plastic we see is 'the tip of the iceberg'. Where's the other 99%? 2019-12-31T05:00:00Z “That’s why the body is a stainless steel with a super lightweight, low density polymer in the middle sole plate.” Odyssey extends Stroke Lab lineup to add consistency to your mishits along with consistency in your putting stroke - Golf Digest 2019-10-15T04:00:00Z The first is a skeleton with a very high ratio of strength to weight, which translates to a skeleton with large volume but low density. Pterosaurs Were Monsters of the Mesozoic Skies 2019-09-17T04:00:00Z The News Tribune reported Sunday that the city needs to rezone the land proposed for the Tacoma Behavioral Healthcare Hospital to a low density multiple family dwelling district. Tacoma hospital project needs rezoning, permits to advance 2019-07-29T04:00:00Z The entire passageway will be filled with viaduct fragments to a depth of seven feet, then topped by an equal layer of low density concrete grout, pumped inside. Retired Battery Street Tunnel is filling up with viaduct rubble 2019-05-15T04:00:00Z They also suggest that Psyche’s strangely low density can be explained if it still has a rocky mantle layer, and ferrovolcanism has shunted metals up from the deep interior onto the surface. NASA to Seek Iron-Spewing Volcanoes at Psyche 2019-04-25T04:00:00Z Had we instead assumed that the two kinds of atom repel each other, there would be a low density of B atoms around a given A atom. New interactions seen in an ultracold gas 2019-04-02T04:00:00Z Oregon Public Broadcasting reported on Thursday that the county will require new construction on Bend’s west side to be low density and fire-resistant. Deschutes County addresses wildfire risk with zoning changes 2019-01-17T05:00:00Z That rubble will be topped by low density concrete fill, pumped into the old tunnel. How crews plan to pulverize the Alaskan Way Viaduct 2018-12-08T05:00:00Z But the high demand and low density of U.S. cities feeling the housing crunch underwrites the financial feasibility of ADUs. One answer to the lack of affordable apartments might begin at home 2018-09-12T04:00:00Z And reagents are wasted when loading cells at low densities to ensure only one goes into each droplet. Single-cell approaches to immune profiling 2018-05-21T04:00:00Z Our hilly topography and low density along the waterfront help limit the potential damage here. Report: Rising sea levels could flood 1 in 200 Seattle-area homes by end of century 2017-10-20T04:00:00Z “Durians developed this intense and far-reaching smell as a way to advertise the presence of ripe fruits and attract animals that occur at very low densities in the rainforests,” he says. How the Durian Got its Sulfuric Stench 2017-10-10T04:00:00Z While Owens produced a beautifully wearable foulard with a print of a futurist sculpture, ecologically-minded McCartney’s details were written on a giant wad of 20 “Trashion Bags” - “made of 100% recycled linear low density polyethylene.” Rich colors dominate the runway at Paris Fashion Week 2017-09-29T04:00:00Z While Owens produced a beautifully wearable foulard with a print of a futurist sculpture, ecologically-minded McCartney’s details were written on a giant wad of 20 “Trashion Bags” — “made of 100% recycled linear low density polyethylene.” Rich colors dominate the runway at Paris Fashion Week 2017-09-29T04:00:00Z In Europe, down there in the low densities are a number of French urban areas such as Nantes and Toulon, but little else, while the Middle East sneaks in with Saudi Arabia’s Ad Dammam. Where is the world's most sprawling city? 2017-04-19T04:00:00Z Brown attributed San Juan’s high per-capita use to its demographics and relatively low density. The drought eased up, and these Californians turned on the spigot 2016-10-31T04:00:00Z The waves are limited by the low density of particles in the outer magnetosphere, according to NASA. Listen to the sound of NASA’s Juno spacecraft crossing into Jupiter’s magnetic field 2016-07-01T04:00:00Z That low density means that for most Indians, pirated content is the only way to see movies, costing the industry some 30 percent of potential annual gross collections. Bollywood studios eye profits at last as India goes smartphone mad 2016-04-06T04:00:00Z Yet they have largely avoided sightings – even by locals – by only coming out at night and occurring only near water and at low densities. The owl man 2016-03-03T05:00:00Z The results seem to tally with what we expect: American areas completely dominate the low densities, and among many smaller conurbations the lowest density large cities are Atlanta, Boston, St Louis, Orlando and San Juan. Where is the world's most sprawling city? 2017-04-19T04:00:00Z But the compact dimensions of downtown may not impair efficient food delivery as much as the low density of residential areas beyond touristy corridors. Demand for food delivery growing in Charleston 2015-05-17T04:00:00Z And the rental income that can be harvested is limited by the low density and the affordability guidelines. In Community Gardens, a New Weed? 2015-02-11T05:00:00Z Flapping flight is an energy-intensive activity and, at high altitudes, it is even more challenging to generate lift in very thin, low density air. Highest bird migration tracked 2015-01-15T05:00:00Z While the species inhabits a wide range, it lives at very low densities and requires very specific conditions in its habitat. The owl man 2016-03-03T05:00:00Z LA is decentred, potentially limitless, and stands for everything terrible about what happens when cities are developed without planning: swathes of low density housing, completely severed by roads, the whole terrain plagued by filthy smog. Where is the world's most sprawling city? 2017-04-19T04:00:00Z Large tracts with low density are a tantalizing combination for developers who might want to increase density — and profits. L.A. a fertile ground for garden apartments 2014-10-24T04:00:00Z So why didn’t it persist at low densities? A Century of Extinction 2014-08-30T04:00:00Z However since the eruption, the Civil Aviation Authority has relaxed its rules to allow planes to fly in areas with a low density of volcanic ash. New concerns over Iceland volcano 2014-08-26T04:00:00Z Criticism following the strictly enforced shutdown resulted in the UK Civil Aviation Authority relaxing its rules to allow planes to fly in areas with a low density of volcanic ash. Strong quakes hit Iceland volcano 2014-08-24T04:00:00Z What about Montreal, or Brisbane, both low density cities in countries with no shortage of space and a strong love of the car? Where is the world's most sprawling city? 2017-04-19T04:00:00Z Criticism following the strictly enforced shutdown resulted in the UK's Civil Aviation Authority relaxing its rules to allow planes to fly in areas with a low density of volcanic ash. Iceland evacuates area near volcano 2014-08-20T04:00:00Z Silveira said the neighborhood’s low density and quiet atmosphere attract a good number of families. Where We Life: Cathedral Heights is a worldly enclave in the shade The thicker plastic bags, made from low density polyethylene, now being promoted as “reusable,” typically are used about 3.1 times. Your Whole Foods Tote Could Be More Harmful Than a Plastic Bag 2014-08-05T04:00:00Z Distinct species of tortoises and freshwater turtles occur in low densities across the globe, each with characteristics adapted for specialized habitats. Five Species That Are Quietly Dying Off While Nobody Pays Attention 2014-07-17T04:00:00Z The low density of sprawl means more people living far from water, less shared green space and more dry lawns in need of daily sprinklers. How to survive a future without water 2014-03-01T23:00:00Z My end is low density and people can rarely be seen crossing the wide street. The racism that still plagues America 2014-01-20T16:00:00Z In addition to their low numbers, the lions also live at a very low density of about 1 lion per 100 square kilometers. Shocking Study Finds Lions are Nearly Extinct in West Africa 2014-01-09T13:15:05.705Z The object's low density and size — it is 650 kilometers wide — seem to conflict with a leading model for the formation of large solid bodies in the Kuiper belt and throughout the Solar System. Astronomers Surprised by Large Space Rock Less Dense than Water 2013-11-15T18:15:11.370Z In short, being a hermaphrodite, rather than a separate sex species, can be beneficial under low densities or diminishing returns to one sex function. Australian Sea Slug Sex in all its Head-Stabbing Glory 2013-11-13T15:45:19.873Z Instead of arresting their growth at a low density, the cells now grew into thick clusters, just as cancer-prone mouse cells do. Matter: A Homely Rodent May Hold Cancer-Fighting Clues 2013-06-19T17:11:24Z As Science paper co-author and planetary scientist Jay Melosh explains, the crustal rock on the surface has a relatively low density, like meringue. The Awesome Explanation for the Moon's Gravity 2013-05-31T11:05:23Z The wandering kind of rarities, such as the maned wolf and giant anteater, that live at low densities can be much harder to protect. Can Endangered Animals Coexist with Big Ag? [Excerpt] 2013-02-22T19:15:00.507Z One is the low density of the lunar crust. Mapping the Moon with gravity: GRAIL hunt 2012-12-19T16:07:14Z The results from the work indicate the ability to travel large distances, creating links in a network of colonies, enables the mammals to persist at very low densities in the hills of north-west Scotland. Voles' epic trips across Scotland 2012-09-06T11:40:46Z The silence was similar to the conditions experienced by juveniles hatching in spring when the cricket population tends to be at a low density, and hence quieter. 'Song' shapes cricket personality 2012-08-14T11:02:20Z You can have low densities of hen harriers and have plenty of grouse-driven shooting. Persecutors or persecuted? 2012-06-01T01:28:34Z Maned wolves, which are restricted to the grasslands of central South America, also occur at naturally low densities, half of our two-part condition of rarity. Can Endangered Animals Coexist with Big Ag? [Excerpt] 2013-02-22T19:15:00.507Z And, in part due to its extremely low density, this material has demonstrated a remarkable ability to absorb oil spills from the surface of water. Nanosponge can absorb 100 times its weight in oil 2012-04-17T00:45:00.233Z This grass occurred also in low densities over much of the study area among B. inermis. A Population Study of the Prairie Vole (Microtus ochrogaster) in Northeastern Kansas 2012-04-08T02:00:23.123Z No new players entering major leagues may use low density maple bats. Details of baseball?s new labor agreement 2011-11-23T01:23:27Z Possibly observations at Charleston merely chanced to fall on nights of inexplicably low densities; further observations will be required to clear up this uncertainty. A Quantitative Study of the Nocturnal Migration of Birds. Vol.3 No.2 2011-11-02T02:00:14.587Z But more often they exacerbate rarity even to the point of disappearance, drive into rarity species once common, or further constrain those species that normally have narrow ranges or live at low densities. Can Endangered Animals Coexist with Big Ag? [Excerpt] 2013-02-22T19:15:00.507Z Fighting in Libya reduced the availability of light, sweet crude, or oil with low density and sulfur content. Oil Drops a Third Day as Goldman Cuts Forecast for Brent Crude 2011-10-04T07:20:02Z Fighting in Libya since February has reduced the availability of light, sweet crude, or oil with low density and sulfur content. Crude Drops to One-Week Low on Signals Oil-Demand Growth Slowing 2011-09-19T08:52:03Z Most records of breeding come from east of the Flint Hills, but it is not certain that the few records from the west actually reflect a low density of Marsh Hawks in that area. The Breeding Birds of Kansas 2011-08-27T02:00:24.797Z Combining the two studies, we may postulate that most migrants go to sleep for a period following twilight, thereby accounting for the low densities in the early part of the night. A Quantitative Study of the Nocturnal Migration of Birds. Vol.3 No.2 2011-11-02T02:00:14.587Z Commented on “I suggest you read Energy Hungry by Robert Bryce to learn some facts before you support low density fad followed...” Enphase Energy Files for IPO 2011-06-16T00:00:42Z Traditional orchards consist of a low density of trees in semi-natural vegetation. Can't see the woods? 2011-05-05T02:35:50Z All three, from their high albedoes and low densities, are still in a vaporous condition; still in some sort, semi-Suns; sources of a certain amount of heat, and not recipients merely. Are the Planets Inhabited? 2011-04-24T02:00:07.733Z Barn Owl: Tyto alba pratincola Bonaparte.—This resident has a low density throughout Kansas in open woodland and near agricultural enterprises of man. The Breeding Birds of Kansas 2011-08-27T02:00:24.797Z The low densities of the Kepler 11 planets imply a bounty of light elements and a dearth of iron and rock, making the midsize worlds more akin to mini Neptunes than to terrestrial, supersize Earths. A Wealth of Worlds: Kepler Spacecraft Finds 6 New Exoplanets and Hints at 1,200 More 2011-02-02T18:45:04.257Z These uprisings aren’t just accidentally urban; they would be unthinkable at low densities. Economix: It's Always the Urban Pot That Boils Over 2011-02-01T11:00:40Z Both HDL and macrophages help clear the blood of globs of harmful cholesterol, called LDL or low density lipoprotein. Gold in scan finds dangerous artery clogs: U.S. study 2010-08-16T22:39:00Z Those with high levels of low density lipoprotein -- LDL or "bad" cholesterol -- in youth were more likely to develop heart disease later, regardless of their cholesterol levels later in life. High cholesterol dangerous in young adults, too 2010-08-03T17:21:00Z Occurrence tends to be local and at low density in the southwestern sector. The Breeding Birds of Kansas 2011-08-27T02:00:24.797Z FoE is calling on the government to use EU subsidies to reward farmers who use environmentally friendly practices, such as grazing animals at a low density and on uplands. UK-imported animal feed blamed for rainforest destruction 2010-07-21T10:45:00Z At last Uranus came into sight—a large globe, very much like Saturn and Jupiter in that it was of low density and great dimensions. The Secret of the Ninth Planet Though it lacked the size of the uninhabitable hydrogen-ammonia planets and its low density made its surface gravity fairly normal, its gravitational forces fell off but slowly with distance. Youth Common Raven seems to occur in low density in Coahuila. Birds from Coahuila, Mexico In the transformer the currents are generated by magnetic field of very low density, in which the lines are moving across the conductor with extreme rapidity. Scientific American Supplement, No. 711, August 17, 1889 As regards Jupiter and Saturn this is still more certain, since their low density will only permit of a comparatively small proportion of their huge bulk being solid. Is Mars habitable? A critical examination of Professor Percival Lowell's book "Mars and its canals," with an alternative explanation This brisk transfer of lines goes on from each projection to the succeeding one in front of the field pole, leaving a very low density of field at any time between the projections. Scientific American Supplement, No. 711, August 17, 1889 |
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