| 单词 | density |
| 释义 | density (densɪti ) Word forms: densities 1. variable noun Density is the extent to which something is filled or covered with people or things. ...a law which restricts the density of housing. [+ of] The region has a very high population density. ...areas with high densities of immigrant populations. Synonyms: tightness, closeness, thickness, compactness 2. variable noun [oft with poss] In science, the density of a substance or object is the relation of its mass or weight to its volume. [technical] Jupiter's moon Io, whose density is 3.5 grams per cubic centimetre, is all rock. Synonyms: mass, body, bulk, consistency Collocations: density development Higher density development ensued under which much of the green space was filled in. Times, Sunday Times When completed, the low density development will offer up to one million square feet of office space in a parkland setting. Retrieved from Wikipedia CC BY-SA 3.0 The aging inner core of the city, where the historical relics are concentrated, would have low density development and renewed over time. Retrieved from Wikipedia CC BY-SA 3.0 Overall, these effects result in lower density development, which tends to increase sprawl. Retrieved from Wikipedia CC BY-SA 3.0 The properties were approved to be combined for higher density development during the comprehensive zoning process of 2013. Retrieved from Wikipedia CC BY-SA 3.0 A plethora of geologic settings have been modeled such as intracontinental deformation, subduction, and continental collision to determine the density and buoyancy impact of eclogitization. Retrieved from Wikipedia CC BY-SA 3.0 Although the distilled rubidium was pyrophoric, it was possible to determine the density and the melting point of rubidium. Retrieved from Wikipedia CC BY-SA 3.0 This led to an odd situation wherein the drive itself was unable to determine the density of the disk inserted except by reading the disk media to determine the format. Retrieved from Wikipedia CC BY-SA 3.0 He accurately determined the density of solid mercury, molecular weight of hydrofluoric acid and the atomic weights of lithium (1856), aluminium (1880) and gold. Retrieved from Wikipedia CC BY-SA 3.0 It determines the density of a sample placed between the light source and the photoelectric cell from differences in the readings. Retrieved from Wikipedia CC BY-SA 3.0 This cleansing and conditioning treatment contains potent levels of hyaluronic acid to increase density, while also providing a lightweight finish. The Sun And he says homeowners should be able to add up to four more storeys to increase density. The Sun Most new growth has been urban infill in the form of high density housing to increase density rate. Retrieved from Wikipedia CC BY-SA 3.0 Other potent causes are the increased density of traffic on the roads and the availability of ever more powerful cars, an obvious recipe for disaster. Times, Sunday Times As people rush to leave, a semi-circle builds up at the door, increasing density. Times, Sunday Times Some solutions of the equations of the general theory of relativity allow for finite mass distributions of zero size, and thus infinite density. Retrieved from Wikipedia CC BY-SA 3.0 Though such densities are almost unimaginably extreme, they are, mathematically speaking, infinitely far from infinite density. Retrieved from Wikipedia CC BY-SA 3.0 The singular region can thus be thought of as having infinite density. Retrieved from Wikipedia CC BY-SA 3.0 But not all of those particles make it, so you’d expect to see more muons pass through regions of lower density or voids than through solid regions. Smithsonian Mag Territorial birds may be less stressed at lower density. Times, Sunday Times The southern areas of the city have mainly industrial and higher density residential sites, while the north features medium to lower density residential plots. Retrieved from Wikipedia CC BY-SA 3.0 The heated air inside the solar balloon expands and has lower density than the surrounding air. Retrieved from Wikipedia CC BY-SA 3.0 The lower density of helium reduces breathing resistance at depth. Retrieved from Wikipedia CC BY-SA 3.0 To determine volumetric mass density, one must first discount the volume of the void fraction. Retrieved from Wikipedia CC BY-SA 3.0 As there are many units of mass and volume covering many different magnitudes there are a large number of units for mass density in use. Retrieved from Wikipedia CC BY-SA 3.0 We know for nonrelativistic particles that their mass density decreases proportional to the inverse volume of the universe so the equation above must be true. Retrieved from Wikipedia CC BY-SA 3.0 A hierarchical structure of matter began to form from minute variations in the mass density of space. Retrieved from Wikipedia CC BY-SA 3.0 Alternatively, two-part domes could contain a lifting gas like hydrogen or helium (extractable from the atmosphere) to allow a higher mass density. Retrieved from Wikipedia CC BY-SA 3.0 By analysing the light emitted by the pellets, they could measure the density and temperature of the atmosphere. Times, Sunday Times The difficulties became apparent when attempts to measure the density of plutonium gave inconsistent results. Retrieved from Wikipedia CC BY-SA 3.0 This means that he can measure the density of the crown, and compare it to a bar of pure gold. Retrieved from Wikipedia CC BY-SA 3.0 By calculating the percentage of particles that return to the sensor, the gauge can be calibrated to measure the density and inner structure of the test material. Retrieved from Wikipedia CC BY-SA 3.0 It only measures the density of the fluid. Retrieved from Wikipedia CC BY-SA 3.0 Watermelon seeds offer a similar nutrient density to more common varieties such as sunflower. Times, Sunday Times Snacking on foods low in energy density, high in nutrient density, and that follow the five characteristics of healthy snacking increase satiation and satiety. Retrieved from Wikipedia CC BY-SA 3.0 The higher the value, the more nutrition per calorie (nutrient density) and the least negative factors in the food. Retrieved from Wikipedia CC BY-SA 3.0 One must learn the relative nutrient density of various foods. Retrieved from Wikipedia CC BY-SA 3.0 Given that the UK has a high population density, should not quality of life and sustainability be included in the economic equation? Times, Sunday Times (2007) One reason is population density. Times, Sunday Times (2013) The high population density, extensive factory farming and increased antibiotic drug resistance put us in the front line. The Sun (2008) But traffic flow and population density meant that a new site had to be found. Times, Sunday Times (2012) Education, broadband access, population density and weather also counted. The Sun (2016) The 29.99 serum helps reduce the density of body hair and offers longlasting smooth legs in eight weeks. The Sun Prevention measures reduce the density of the predators off beaches by catching them in nets or on baited hooks called drum lines. Times, Sunday Times Hollow microspheres usually are added to reduce the density of a material. Retrieved from Wikipedia CC BY-SA 3.0 Emperor penguins store air in their feathers which they release to form bubbles, reducing the density of water and increasing their speed by up to 50 per cent. Times, Sunday Times While the use of granite reduced the density of sculptured works, granite was a more durable material for the temple structure. Retrieved from Wikipedia CC BY-SA 3.0 The principles, which must be met by 2026, include use of slowergrowing breeds, a maximum stocking density of 30kg/m², natural light and space to perch and peck. Times, Sunday Times These rules cover maximum stocking density and time spent outside, and dairy farmers will need to match them if consumers are to keep the faith with free-range milk. Times, Sunday Times Management factors such as reducing stocking density and stress should be considered. Retrieved from Wikipedia CC BY-SA 3.0 In the warm season, digit grass can withstand high trampling, high stocking density and 30 day rotations. Retrieved from Wikipedia CC BY-SA 3.0 Good husbandry measures, such as high water quality, low stocking density, and no mixing of batches, help to reduce disease incidence. Retrieved from Wikipedia CC BY-SA 3.0 Increased traffic density may be doing the work of speed cameras for them. Times, Sunday Times While a technical success, the traffic density did not warrant the cost of maintaining the signalling system. Retrieved from Wikipedia CC BY-SA 3.0 Individual road usage increased resulting in a relatively high traffic density to other nations. Retrieved from Wikipedia CC BY-SA 3.0 Sometimes called traffic density although it ignores or assumes a constant number of travel lanes. Retrieved from Wikipedia CC BY-SA 3.0 With such a traffic density, the expense of electrification could be easily recouped. Retrieved from Wikipedia CC BY-SA 3.0 The term urban agglomeration refers to the population contained within the contours of a contiguous territory inhabited at urban density levels. Retrieved from Wikipedia CC BY-SA 3.0 Single-use developments are commonplace at high, medium, and low urban density, but low-density mixed-use developments are rare. Retrieved from Wikipedia CC BY-SA 3.0 However, the link between urban density and aspects of sustainability remains a contested area of planning theory. Retrieved from Wikipedia CC BY-SA 3.0 Zoning reforms that allow greater urban density as well as designs for walking and bicycling can greatly reduce energy consumed for transportation. Retrieved from Wikipedia CC BY-SA 3.0 The exhibit traced urban density and the rise and fall of cities around the world. Retrieved from Wikipedia CC BY-SA 3.0 Translations: Chinese: 稠密 Japanese: 密集 |
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