Sentences with phrase «many point sources»

This is a back - of - the - envelope record of Government of Canada hiring, but jobs.gc.ca gives you an unusually convenient single - point source to make such a survey.

It's also hard for me to pin point my sources of inspiration.

The Karst Programme is an integrated agri - environmental scheme which in 1998 covered 29 400 ha (with an additional 165 900 ha designated to enter the scheme) and aims to reduce both point source and diffuse pollution through the encouragement of more sustainable farming methods.

«When you have multiple cases, that points to a common point source outbreak — you ask what are all these people exposed to,» he said.

If the sun were a point source, like one of the nighttime stars, the moon would cast only one kind of shadow.

But a lot of kinks still must be ironed out to make the method operational, the team acknowledges — particularly sensitivity limits, and how well the method can distinguish between different point sources, such as earthquakes and UNEs.

«Consider a bundle of light rays emanating from a point source,» a section on physics and metaphysics begins.

«Until now, nobody's been able to find a point source,» says Harvey Tananbaum of the Smithsonian Astrophysical Observatory in Cambridge, Massachusetts.

The point sources proved to be 10 globular clusters — compact and spherical groupings of stars orbiting the galaxy's core.

That's because the objects in Rhie's sample lens all lie in the same plane and are simple point sources, with nothing between them.

«Power plant emissions verified remotely at Four Corners sites, largest point source pollution in U.S..»

Air pollution and greenhouse gas emissions from two coal - fired power plants in the Four Corners area of northwest New Mexico, the largest point source of pollution in America, were measured remotely by a Los Alamos National Laboratory team.

«Most of our tools for managing coastal species and ecosystems — such as marine protected areas and regulating point source pollution — are spatially explicit, and this research illustrates there may be hotspots of vulnerability or resilience that we could protect or manage locally,» she said.

So OCO - 2 scientists were never expecting to record the emissions of individual point sources, like volcanoes or coal - fired power plants.

ShakeAlert's algorithms now estimate a «point source» for an earthquake, but «we are working on the ability to incorporate algorithms that can handle very large earthquakes that happen in a way that can't be approximated to a single point,» Kohler said.

Using this technique, he has increased the number of point sources known in Cha - I to 429.

Graney suggested in 2008 that Galileo's observations of stars were actually diffraction patterns called Airy disks — patterns of concentric circles that arise when light from a point source, such as a star, passes through a hole.

The analysis found that at its peak, the blowout doubled the rate of methane emissions from the entire Los Angeles basin and temporarily created the largest known human - caused point source of methane in the United States, twice as large as the next - largest source, an Alabama coal mine.

In a commercial setting, CO2 could come from a point source like a power plant, Yu said.

«The picture is much more complicated now than it was back then, when the concern was really point sources,» Dubinsky added.

Second, both objects appear to be true point sources in the images, which is evidence that they are real, physical objects in space as opposed to optical glints, stray reflections, or other instrumental signatures in the instrument.

«Since we have the smallest point source of electrons, we think we will be able to make the best electron microscopes.

As pollution from point sources — single identifiable sources such as sewage — has been cleaned up over time, the emerging concern has become what are known as nonpoint sources, or diffuse sources, throughout the watershed, such as agricultural lands.

Releasing Natuna's carbon pollution would make it «the world's largest point source emitter of CO2 and raises concern for the possible incremental impact of Natuna on the CO2 greenhouse problem,» declared an October 1984 report from Exxon's top climate modeler, Brian Flannery, and his boss Andrew Callegari.

«Without the lensing, some of the galaxies would be just point sources to Hubble.

[10] A compact radio source was found at the centre of this nebula, and an infrared point source has also been found, but it has not been detected at optical wavelengths.

Near - IR spectroscopy of... ▽ More We have searched ~ 8200 sq. degs for high proper motion (~ 0.5 - 2.7» / year) T dwarfs by combining first - epoch data from the Pan-STARRS1 (PS1) 3 - Pi Survey, the 2MASS All - Sky Point Source Catalog, and the WISE Preliminary Data Release.

Our polarization measurements of near - infrared point sources indicate a well - ordered global magnetic field that is perpendicular to the main filament, implying that the magnetic field is likely to have controlled the formation of the main filament.

A point source is detected at an angular distance of 3.5» from the central star.

Nine point sources are detected between 2.1» and 8.0» separation and considered as companion candidates.

«On such surfaces, called hyberbolic metasurfaces, the waves emitted from a point source propagate only in certain directions and with open (concave) wavefronts», explains Javier Alfaro, PhD student at nanoGUNE and co-author of the paper.

Abstract: Optical waves propagating away from a point source typically exhibit circular (convex) wavefronts.

The first image showed no structure in the object, even at the extremely fine level of detail achievable with HALCA; it is what astronomers call a «point source.»

Abstract: The Chandra X-ray Observatory has now discovered nearly 10,000 X-ray point sources in the 2 x 0.8 degree region around the Galactic Center (Muno 2009).

We also detect several point sources which are classified as probable background objects.

Using the 2MASS point source catalog and Hubble Guide Star Catalog (GSC II), we identified the stars that caused these artifacts.

In addition, the 1986 TDRSS experiment observed the object, and, while this experiment did not produce an image, it indicated that PKS 1519 - 273 should be a point source.

(which I assume is intended to be read by someone with technical knowledge of climate modeling jargon) is that I've started wondering about how climate models handle volcanoes or geology like the Yellowstone caldera — regularly emitting «point sources» that transfer their climate effects globally.

However, no central point source has been detected within the Tycho supernova remnant (SNR), which is consistent with other evidence that the SNR was created by a Type - Ia supernova.

After all, not all emissions come from point sources such as industrial plants; they also come from distributed sources such as agriculture and transportation.

Tycho's supernova remnant, which lacks a central point source, was first found by radio telescope (more).

Quantitative evaluation of these characteristics is the key to achieve sensitivity comparable to or better than that for point sources (< 20 — 95 [MJy / sr]-RRB-.

We clearly resolved point sources and the Galactic diffuse emission, and found that ~ 90 % of the flux observed in our field of view originates from diffuse emission.

We have also carried out a precise spectral study of the Galactic diffuse X-ray emission excluding the point sources.

Point source catalogues of the All - Sky Survey will be released to the astronomical community.

ALMA is particularly suited to point sources, such as unresolved stars.

Pollution is often classed as point source or nonpoint source pollution.

Many point sources are detected either in the soft X-ray band (below 2 keV) or in the hard band (above 2 keV), and only a small number of sources are detected in both energy bands.

Sum of all the detected point source fluxes accounts for only ~ 10 % of the total X-ray flux in the field of view.

In order to identify these new X-ray sources, we have carried out a near infrared follow - up observation using ESO / NTT infrared camera on 2002/7/28 an... ▽ More We have carried out a deep X-ray observation on a typical Galactic plane region with the Chandra ACIS - I instrument with unprecedented sensitivity and spatial resolution, and detected 274 unidentified X-ray point sources in the \ ~ 500 arcmin2 region.