Sentences with phrase «laboratory measurements of»

The CERN CLOUD measurements are the most comprehensive laboratory measurements of aerosol nucleation rates so far achieved, and the only measurements under conditions equivalent to the free and upper troposphere.»

Unless you can show some physical mechanisms — or at least laboratory measurements of such incredibly fine temperature sensitivity, then you are a very very very long way from persuading me that you have any sort of a case beyond wishful thinking.

West, R.A., L.R. Doose, A.M. Eibl, M.G. Tomasko, and M.I. Mishchenko, 1997: Laboratory measurements of mineral dust scattering phase function and linear polarization.

Evidence can range from poor (past measures of ocean surface temperature) to excellent (laboratory measurements of the absorption spectra of the greenhouse gases.)

Recent accurate laboratory measurements of the absorption in the CO2 band by CLOUD (1952) were used to calculate the radiation flux in the atmosphere with the aid of the MIDAC high speed digital computor.»

Consequently, researchers should obtain accurate laboratory measurements of the available carbohydrate content of foods as an essential preliminary step in GI testing.

Giving potassium bromide interferes with laboratory measurement of chloride, thus any tests for chloride will be falsely elevated.

In most cats, laboratory measurement of thyroid hormone T4 will confirm the presence of hyperthyroidism.

The administration of potassium bromide interferes with laboratory measurement of chloride, thus any tests for chloride will be falsely elevated.

An error - free laboratory measurement of modern fraction does not imply that the problem collapses into a deterministic look - up from the calibration curve — even if the curve is monotonic over the relevant calendar interval — because the curve itself carries uncertainty in the form of the variance related to the conditional probability of RC age for a given calendar date.

Not exact matches

Confronting the same constellation of objects as before and knowing that he does so, he nevertheless finds them transformed through and through in many of their details... Operations and measurements are paradigm - determined... Scientists with different paradigms engage in different concrete laboratory manipulations.

The UC Davis bioelectricity laboratory is one of a very few able to make such sensitive measurements of electric fields in living tissue.

Five or 10 years ago, he notes, measurements of animal athletics came mostly from treadmills or other laboratory setups without a sense of what real - world emergency might prompt particular motions.

Beginning as early as this spring, the companies will offer telomere - measurement tests to research centers and companies studying the role of telomeres in aging and disease; the general public may have access by the fall through doctors and laboratories, perhaps even directly.

The cores were also sampled for chemical measurements in Dartmouth's Ice Core Laboratory to determine the age of each ice layer.

Global annual emissions calculated from laboratory measurements could reach 1.5 x 1014 grams of methane and 5 x 1016 grams of carbon dioxide.

Field measurements of methane emissions from two termite nests in Guatemala corroborated the laboratory results.

At the U.S. Department of Energy's (DOE) Princeton Plasma Physics Laboratory (PPPL), scientists have assembled a large database of detailed measurements of the two dimensional (2 - D) structure of edge plasma turbulence made visible by a diagnostic technique known as gas puff imaging.

This ice core rod is slowly melted and the meltwater runs into a laboratory where they take a lot of chemical measurements.

Dr Joseph Hodges, from the National Institute of Science and Technology in Gaithersberg, USA who led the team measuring the spectrum of CO2 in the laboratory, said: «These measurements are very challenging so we could only make precise lab measurements at a few wavelengths.

«It hit me that we've been calculating chlorophyll profiles from surface measurements for more than thirty years, but we don't know what the depth profiles of other biogeochemically - important materials look like,» said Barney Balch, a senior research scientist at Bigelow Laboratory and lead author on the paper.

But today, space weather scientists are reaping such a windfall, as the Los Alamos National Laboratory in New Mexico has released 16 years of radiation measurements recorded by GPS satellites.

From the start, I was responsible for a laboratory that ran a number of different analytical systems, had to train students in environmental measurement, and came to lead and work in a number of national and international projects.

Its measurements often conflict with those of Sandia National Laboratory's Z machine, which can perform similar high - pressure experiments.

About a decade ago he noticed a juicy oddity buried in a pair of overlooked papers, one from Brookhaven National Laboratory, the other from a German measurement institute.

Researchers at EPFL's Laboratory for fundamental BioPhotonics, led by Sylvie Roke, have probed the influence of ions on the structure of water with unprecedentedly sensitive measurements.

Study co-author Simon Hook, science division manager at NASA's Jet Propulsion Laboratory in Pasadena, Calif., said satellite measurements provide a broad view of lake temperatures over the entire globe.

«We have demonstrated a reconfigurable array of traps for single atoms, where we can prepare up to 50 individual atoms in separate traps deterministically, for future use in quantum information processing, quantum simulations, or precision measurements,» says Vuletic, who is also a member of MIT's Research Laboratory of Electronics.

Using a variety of geophysics measurements and laboratory experiments, researchers are capable of gaining some degree of insight into material properties under certain pressure conditions without actually being able to make direct observations.

«Our measurements are so precise, and any vibrations — like a person walking by — can affect what we measure,» said Peter Ercius, a staff scientist at Lawrence Berkeley National Laboratory and an author of the paper.

The X-ray measurements were performed at the Advanced Photon Source, a U.S. Department of Energy Office of Science User Facility operated for the DOE Office of Science by Argonne National Laboratory (contract no.

Robert Watson, a government official and co-chair of the scientific panel that advises the Montreal Protocol, said that laboratory experiments, computer models, and field measurements all support the conclusion that CFCs are destroying stratospheric ozone.

By comparing their gas cloud data with equivalent measurements made in laboratories on Earth, Webb and his colleagues have hypothesized that the fine - structure constant today is about a thousandth of a percent larger than it was 8 billion years ago.

Credible standards of measurement are critical to world trade, says Barry Inglis, an electrical engineer and assistant chief of standards with the National Measurement Laboratory which is part of the CSIRO Division of Applimeasurement are critical to world trade, says Barry Inglis, an electrical engineer and assistant chief of standards with the National Measurement Laboratory which is part of the CSIRO Division of AppliMeasurement Laboratory which is part of the CSIRO Division of Applied Physics.

«On first sight, zirconium pentatelluride did not even look like a 3D material,» said Brookhaven physicist Tonica Valla, who performed the measurements with collaborators at the Advanced Light Source (ALS) at Lawrence Berkeley National Laboratory and at Brookhaven's National Synchrotron Light Source (NSLS, https://www.bnl.gov/ps/nsls/about-NSLS.asp)-- two additional DOE Office of Science User Facilities.

«You want a complete set of instruments to make measurements simultaneously so you can correlate all the results,» says Robert Mitchell, the Cassini program manager at the Jet Propulsion Laboratory in Pasadena, California.

From measurements of the levels and types of emissions from the container, inspectors would be able to deduce the amount of plutonium inside, says Paul White of Los Alamos National Laboratory in New Mexico.

Two of them will be part of the GRAIL mission — the Gravity Recovery and Interior Laboratory — now starting to make extremely precise measurements of the lunar gravitational field.

The team combined laboratory experiments with real - world measurements of the mantle viscosity in the deep Earth to conclude that the rock must be saturated with water (Science Advances, DOI: 10.1126 / sciadv.1603024).

The new laser holds the promise of huge improvements in measurements of molecular structure, says physicist Jerry Hastings of Brookhaven National Laboratory in Upton, New York, but he cautions that physicists first need some hands - on experience.

«These beautiful measurements from the South Pole Telescope and Herschel strengthen our confidence in our current model of the universe,» said Olivier Doré, a member of the U.S. Planck science team at NASA's Jet Propulsion Laboratory, Pasadena, Calif. «However, this model does not tell us how big the primordial signal itself should be.

McConnell's ice core laboratory enables high - resolution measurements of ice cores extracted from remote regions of the Earth, such as Greenland and Antarctica.

«Detailed chemical measurements in Antarctic ice cores show that massive, halogen - rich eruptions from the West Antarctic Mt. Takahe volcano coincided exactly with the onset of the most rapid, widespread climate change in the Southern Hemisphere during the end of the last ice age and the start of increasing global greenhouse gas concentrations,» according to McConnell, who leads DRI's ultra-trace chemical ice core analytical laboratory.

A total of 115 simultaneous sensory and analytical - chemical odour measurements were carried out in the mobile laboratory.

«We're the first measurement from the martian surface,» says Christopher Webster, a planetary scientist at NASA's Jet Propulsion Laboratory in Pasadena, California, and lead author of the new study.

Data for the study was obtained from dozens of published peer - reviewed scientific studies and the Xylem Functional Traits Database, which contains measurements of the hydraulic safety margins for each species as determined through laboratory experiments.

Also, the machine learning software can help experimental physicists by allowing them to perform virtual measurements that would be hard to do in the laboratory, such as measuring the degree of entanglement of a system composed of many interacting qubits.

Scientists at the UK's National Physical Laboratory (NPL) have performed the most accurate measurement yet of the Boltzmann constant.

A urine sample taken during pregnancy allowed measurement of biomarkers for exposure to phenols in the CDC Atlanta Environmental Health Laboratory for US biosurveillance programmes.

The measuring spheres are not only ideal for microbiological culture and process development in the laboratory, but could also be used in drug production, environmental measurement or screening in the field of medicine.