Sentences with phrase «high precision measurements»
High precision measurements made by Horibe et al. (1974) demonstrated a slight surface depletion in the Pacific that is produced by uptake of calcium and incorporation into CaCO3 shells that sink from the surface layer.
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Abstract: We present the results of high precision measurements of the thermal expansion of the sintered SiC, SiC - 100, intended for use in cryogenic space - telescopes, in which minimization of thermal deformation of the mirror is critical and precise information of the thermal expansion is needed for the telescope design.
The temperature range of the measurements extends from room temperature down to... ▽ More We present the results of high precision measurements of the thermal expansion of the sintered SiC, SiC - 100, intended for use in cryogenic space - telescopes, in which minimization of thermal deformation of the mirror is critical and precise information of the thermal expansion is needed for the telescope design.
Those first experiments will provide higher precision measurements of the structure of the proton (Precision Measurement of the Proton Elastic Cross Section at High Q2 and Measurements of the Electron - Helicity Dependent Cross Sections of Deeply Virtual Compton Scattering with CEBAF at 12 GeV) Both experiments will be run in Experimental Hall A.
The variabilities on the graph show higher precision measurements and inferences from tree rings etc..
24bit ADC / DAC converters, Atmel AtMega128, TI MSP 430, STM ARM microcontrollers, DC and Step Motor control, Pressure Measurement, Pressure Control, Current Source, Current and Voltage high precision measurement.
Not exact matches
Four days after its launch on 17 January, the Jason - 3 high - precision ocean altimetry satellite is delivering its first sea surface height measurement data in near - real time for evaluation by engineers from the Centre National d'Etudes Spatiales (CNES), EUMETSAT, the US National Aeronautics and Space Administration (NASA) and the National Oceanic and Atmospheric Administration (NOAA) and scientists from the international Ocean Surface Topography Science Team.
So rare decays require high precision in both the experimental measurements and the theoretical calculations.»
On the other hand, in magnetic field confinement fusion plasma intended for a fusion reactor, which research is being conducted at the National Institute for Fusion Science, development of high precision electron density measurements is becoming an important research topic.
The new measurement is a high - precision count of two forms of argon gas — Argon - 36 and Argon -38-accomplished by the Sample Analysis at Mars (SAM) instrument on Curiosity.
«The wave nature of light in super-slow motion: Physicists achieve high - precision measurement of the wave characteristics of focused, ultra-short light pulses.»
Experts urged caution, especially because an earlier measurement of neutrino velocity had indicated, to high precision and accuracy, that neutrinos do respect the cosmic speed limit.
Most importantly, astronomers have high - precision measurements of the SMC's rotation curve, which shows how its rotational speed changes with distance from its center and indicates how much dark matter is present.
Measurements at CERN, most recently by the BASE experiment (link is external), have already compared the same properties of protons and antiprotons to high precision.
Earth - based observations in 2003 indicated plumes of methane on Mars (red), but higher - precision measurements on the planet's surface find no such gas.
«The precision of this method is so high that it is very suitable for precision measurement of certain natural thermodynamic constants.»
The team concludes in the paper that the «high frequency and precision ground - based remote sensing results provide the performance metric and sampling strategy for satellite - based measurements, permitting a global emission monitoring system.»
Probing the muonic hydrogen with a laser yielded a high - precision measurement of the proton's size.
Frequency combs are powerful tools for high - precision measurements and spectroscopy.
Jun Yang and his colleagues used the technique of very long baseline interferometry (VLBI), where a network of detectors separated by thousands of kilometres are combined into a single observatory, to make extremely high - precision measurements of the jet from Swift J1644 +57.
GOMOS will look at 25 stars during its 90 - minute orbit, using a high precision tracking device to keep the star in place for measurements.
In high - precision measurements, it turns out that the probability of finding an individual atom is not the same at each point in space — and there are intriguing relationships between the different probabilities.
More importantly, they can be stored in special traps, enabling researchers to perform high - precision measurements and look for signs of new physics.
Atomic clocks of the previous generation, with significantly lower precision, are currently being used in applications including satellite navigation systems, high - capacity wireless networks (wi - fi), ensuring the security of bank communications, and also taking measurements of the Earth's gravitational field, yielding insight into its internal geological structure.
High - precision time measurements play an important role in many fields of science and technology.
High - resolution measurements were the domain of specialists in precision spectroscopy and optical frequency metrology, wherein highly stable CW lasers reigned as the preferred tools.
This allows high - precision measurements in a short time and considerably facilitates the future reduction of the total measurement uncertainty down to a few parts in 1018.
Other physicists say Zacharias's approach to research — using high - precision measurements to probe fundamental physics — inspired Weiss's.
Such a sequence of pulses is known as «Ramsey sequence» and is used for high - precision measurements in many areas.
Further advances in high - resolution MRI also allow the measurement of the induced brain changes with improved accuracy and precision.
Tracking relative motions within the volume, though, is tough; it requires distance and velocity measurements of high precision.
The new measurement is a high - precision count of two forms of argon gas — Argon - 36 and Argon - 38 — accomplished by the Sample Analysis at Mars (SAM) instrument on Curiosity.
This may be OK for the typical, less precise measurements, but remains a dangerous assumption for high - precision studies and for all but the least active stars.
The team, several of whom were part of the High - z Supernova Search Team that co-discovered the accelerating expansion of the universe in 1998, refined the universe's current expansion rate by developing innovative techniques that improved the precision of distance measurements to faraway galaxies.
We derived the radii of the planets from the K2 light curve and used high - precision radial velocities gathered with the HARPS - N spectrograph for mass measurements.
«Our experimental platform represents a testbed that can readily be upgraded for measurements with higher precision, by using a ultra-bright source of entangled photons, and higher - dimensional degrees of freedom, such as energy - time entanglement.»
The measurements allowed them to determine electron viscosity to such a high precision that the extracted values showed remarkable quantitative agreement with theory.
During the talk, we will illustrate how the immense advantage of having long - term uninterrupted high - precision data from space implies huge progress in the probing of stellar physics in general, and in the measurement of internal rotation and angular momentum in particular.
High - precision measurement of the g - factor eleven times more precise than before / Results indicate a strong similarity between protons and antiprotons...
High - precision radial - velocity measurements confirm a sinusoidal variation with the period and phase predicted by the photometry, and rule out the presence of line - bisector variations that would indicate that the spectroscopic orbit is spurious.
Here we present a cautionary note outlining how the polarization properties of SMFs can affect the radial velocity measurement precision of high resolution spectrographs.
Simon Raab is chair and founder of Faro Technologies, Inc., a leader in the production of high precision portable 3 - D measurement instruments.
We describe a laboratory facility and experimental testbed that supports the emulation of a wide range of mission concepts such as gravitational weak lensing measurements by WFIRST and high precision spectrophotometry of transiting exoplanets by JWST.
The ECS presented here could potentially provide the stable operating environment required for future compact, «astro - photonic» precise radial velocity (PRV) spectrometers to achieve high Doppler measurement precision with a modest budget.
High resolution, high precision, simultaneous measurementsHigh resolution, high precision, simultaneous measurementshigh precision, simultaneous measurements of.
By re-observing the photometric transit, we attempt to determine the transit parameters to high precision, and, by spectroscopic observations, to estimate the properties of the host star and determine the mass of the transiting object by means of radial - velocity measurements.
or you can read the following excerpts and see Sequential radiocarbon measurement of bulk peat for high - precision dating of tsunami deposits
As per the American Statistical Association's (ASA) recently released «Statement on P - Values,» statistical significance «is not equivalent to scientific, human, or economic significance... Any effect, no matter how tiny, can produce a small p - value [i.e., «statistical significance»] if the sample size or measurement precision is high enough» (p. 10); hence, one must always check for practical significance when making claims about statistical significance, like Kane et al. actually do here, but do here in a similar inflated vein.
Pages 137 - 140 of IPCC AR4 describe high - precision in situ measurements of atmospheric CO2 at Mauna Loa, documenting the steady increase in CO2 along with its characteristic seasonal fluctuation.
During a recent cruise of the New Zealand research vessel Tangaroa, skin sea - surface temperatures were measured to high accuracy by the Marine - Atmospheric Emitted Radiance Interferometer (M - AERI), and contemporaneous measurements of the bulk temperature were measured at a depth of ~ 5 cm close to the M - AERI foot print by a precision thermistor mounted in a surface - following float.