Sentences with phrase «number density of»

Somewhat late, but if condensation drives winds by a decreasing the number density of water vapor in the air, then as clouds form they should shrink in size due to the negative pressure.
But the number density of molecules drops off exponentially with altitude.
The absorption rate is readily calculated from Beer's law I / Io = exp -LRB-- N sigma L)(the proportion of light absorbed in a layer of thickness L depends exponentially on the Number density of the absorbers, the absorption cross-section of each molecule and the length of the layer L. Both I and sigma are functions of the light frequency / wavelength).
«It can be seen, Fig. 2, that the number density of interplanetary dust inferred from the penetration data is a slowly decreasing function with heliocentric distance
Surface number density of the hard sources is only slightly higher than that measured at the high Galactic latitude regions, indicating that majority of the hard sources are background AGNs.
In addition, they also successfully measured the number density of galaxies with 10 times less luminosity than ones previously observed with the conventional millimeter instruments.
With the ALMA observations the team successfully measured the number density of galaxies approximately 10 times darker than the millimeter wave research results up to now.
The presence of «Oumuamua in the Solar System suggests that previous estimates of the number density of interstellar objects, based on the assumption that all such objects were cometary, were pessimistically low.
R.J. calculated the spatial number density of ISOs.

Not exact matches

According to Wikipedia, the definition of keyword density is: «the percentage of times a keyword or phrase appears on a web page compared to the total number of words on the page.
When you look strictly at the numbers, density and lack of competition, those areas have historically been underserved.
The city also has a fairly large high - growth company density at 191.4 — that's the number of companies out of 100,000 with annual revenues more than $ 2 million (and growing by 20 percent over a three - year period).
Every city recruits its police force differently based on budgets, existing crime rates, density, and a number of other complex socioeconomic factors (like the area's racial makeup).
Shelton was the kind of manager who could recite the details involved in every step of production, from the density of breeding cages to the number of birds processed per man - hour.
It provides you with statistics about pagerank, number of inbound and outbound links, Alexa rank, keyword density per page, etc..
«Despite its successes in attracting both customers and in - demand tenants,» the statement reads, «there are still a number of challenges that need to be solved in order to maintain its prominence in a city that is quickly evolving with increased density, mix of uses, and depth of character.»
New York City has twice the number of corporations than other metropolitan areas in the US and the third - highest density of venture capital after San Francisco and Boston.
They are also weighted to match the national demographics of gender, age, race, Hispanic ethnicity, education, region, population density, and phone status (cellphone only / landline only / both, cellphone mostly, and having an unlisted landline number).
Generally speaking you don't want the keyword density (ratio of keywords used to total number of words) to be more than 5.5 % Otherwise Google can ping you for keyword stuffing.
Activity in the medium - density sector, which is expected to remain strong in the near term, is likely to tail off later in the year as the large number of apartments currently under construction are completed.
While this may be alarming to many shavers as an excessive number of hairs, the fact that the knot of the average shaving brush contains thousands of individual badger hairs means that this very small percentage will likely cause no noticeable effect on the brush's density or performance qualities.
[17] Hawking, 46, notes that at the Big Bang moment «the density of the universe and the curvature of space - time would have been infinite,» yet «because mathematics can not really handle infinite numbers,... the general theory of relativity... itself breaks down.»
I doubt this judgment, if only because the density of Updike» catalogs — brand names, highway numbers, advertisement jingles, specificities of dress, localities of fauna and flora — will require endless footnoting.
The amount of x-ray energy absorbed during an x-ray beam's passage through a product is determined by the product's thickness, density and atomic mass number.
Capacity to adapt: Finally, planthoppers can rapidly overcome resistant rice varieties, especially where planthopper densities are high and when a small number of varieties are widely planted.
The density of aphids was reduced due to higher mortality caused by increased numbers of predators feeding on aphids41.
But the stocking densities and flock sizes in Pirovic's barns, and the number, size, placement and operation of the physical openings to the open range, meant that most of the laying hens did not move about freely on an open range on most ordinary days, Flick found.
While that sounds like a small number that will not cause thermal damage, it is easily thousands if not millions of times higher than the energy density shown to cause biological damage in hundreds of studies, as biological damage typically shows up in the micro to picowatt range.
While the number of coils does somewhat reflect on the density of the mattress, many other factors come into play as well.
Specific Gravity of Mature Human Milk = 1.031, so Density of Mature Human Milk ~ 1.031 g / ml; 1 oz = 29.6 ml; Numbers in gray were derived using the above conversion factors.
Of course, the population of big cities was often growing very fast in the USSR, but this happened mostly following the official rules so that people populated state built and owned flats, according the established standard norm of population density, which specified the number of sq meters of living room per persoOf course, the population of big cities was often growing very fast in the USSR, but this happened mostly following the official rules so that people populated state built and owned flats, according the established standard norm of population density, which specified the number of sq meters of living room per persoof big cities was often growing very fast in the USSR, but this happened mostly following the official rules so that people populated state built and owned flats, according the established standard norm of population density, which specified the number of sq meters of living room per persoof population density, which specified the number of sq meters of living room per persoof sq meters of living room per persoof living room per person.
Now you can calculate the number of people in each polygon by multiplying the area in m ² with the fill - factor and the estimated density.
AFAIR (unsourced), the police of Ukraine uses a similar methodology of splitting the crowd into areas of different densities and then calculating the number of areas of each density.
This is very important, because New York is the state with the highest union density and the greatest absolute number of union members.
Such calculations use internationally agreed conventional conversion factors, which are generously rounded values that roughly approximate the average energy density of a large number of different food samples.
Because laminar - turbulent transition is governed by Reynolds number, the same transition occurs if the size of the object is gradually increased, or the viscosity of the fluid is decreased, or if the density of the fluid is increased.
A number of studies have shown that LDL (low - density lipoprotein)-- the «bad cholesterol» — with apoC - III on its surface is particularly harmful, leading to higher incidence of plaque buildup in artery walls.
By comparing the numbers of invaders killed over a range of their densities, the research showed that the native shrimps can kill most invaders to the point their populations crash, and hence the invasion is halted.
The density of luminous matter is so small that it falls within the rounding errors of dark matter and dark energy, which is why the numbers add up to more than 100 percent.
The scientists concentrated on the detection of microplastics found in large numbers in production worldwide and of low specific density, such as polyethylene, polypropylene and polystyrene.
Astronomers have developed a number of theories for why we haven't found more, but none of them could account for both the paucity of dwarf galaxies and their properties, including their mass, size, and density.
In this case, the density of snow would be the right number to use.
But in a paper in the Journal of Geophysical Research, posted online Aug. 10, the Southampton team now doubles that number, pointing out that the thermosphere's falling density renders the old trash - pickup requirements obsolete.
Mammalian brains are made of these: A dataset of the numbers and densities of neuronal and nonneuronal cells in the brain of glires, primates, scandentia, eulipotyphlans, afrotherians and artiodactyls, and their relationship with body mass.
Finally, they calculated the population's turnover rate to estimate an average density of 50 clams per square meter over the last millennium — a number that contrasts with fieldwork earlier this year that yielded just three clams per square meter, they report in the December issue of Geology.
In recent years, it seems that the number of jellyfish have been on the rise, fueling concerns that their voracious appetites for microscopic sea creatures might have a negative impact on the food web and that their density might alter how fish behave — young fish seek refuge among the jellies» tentacles, for example — and consequently hamper the ability of predators to catch these fish.
The density correlations in our universe, for example, correlations between numbers of galaxies at different parts of the universe, indicate that our vast universe has originated from a stage of cosmic inflation.
Instead of looking at the number of individuals using M - PESA, the researchers measured the rise in the number of service agents within 1 kilometer around each household — or «agent density» — during early rollout of the mobile - money services.
Looking at indicators of population size and density (such as the number of stone tools, animal remains, and total number of sites), he concluded that modern humans — who may have had a population of only a few thousand when they first arrived on the continent — came to outnumber the Neanderthals by a factor of ten to one.
Other theories suggest that a «sense of magnitude» that enables people to discriminate between different «continuous magnitudes,» such as the density of two groups of apples or total surface area of two pizza trays, is even more basic and automatic than a sense of numbers.
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