Sentences with phrase «measurement properties of»

Gender bias in the measurement properties of the Centre for Epidemiologic Studies Depression Scale (CES - D)
We searched the following databases from 1990 to April 2012 (initial search to November 2010; update search to April 2012) to find studies on measurement properties of instruments, assessing externalizing mental health problems in immigrant ethnic minority youths: MEDLINE, EMbase, PsycINFO, Cochrane Library.
Measurement properties of instruments assessing permanent functional impairment of the spine: a systematic review protocol
Overall, the quality of the studies assessing measurement properties of PA questionnaires was rather poor.
In the future, more attention should be paid to the methodology of studies assessing measurement properties of PA questionnaires and the quality of reporting.

Not exact matches

Another important measurement of Google's ads business changed this quarter as it started reporting Network properties growth in impressions versus clicks to reflect the way advertisers buy programmatic ads.
«AREA will be working with local boards to look at the existing rules and agree on the implementation and enforcement of a provincial standard of measurement for residential properties, including condominiums, for the benefit of all consumers.»
A Wavelet Time - Frequency Perspective», Thomas Conlon, Brian Lucey and Gazi Salah Uddin examine the inflation - hedging properties of gold over an extended period at different measurement frequencies (investment horizons) in four economies (U.S., UK, Switzerland and Japan).
In quantum mechanics, the idea of probability only applies to groups of systems and not to individual systems; in particular, no measurement exists for the supposed probability property for an individual system.
Recent results have indeed been able to show that probabilistic predictions in quantum mechanicslogically follow, without any additional postulates, from the description of individual quantum systems, with the aid of the wave function, which can be expressed, as we have seen, in a completely non-probabilistic way and the assumption that the objective properties of the system can be obtained by measurements with certainty.
The evidence includes the precise measurements of four fundamental forces that are responsible for all properties and changes affecting matter.
For this reason I doubt the possibility of measurement in space which is heterogeneous as to its properties in different parts.
Moreover, all of this common knowledge of the so - called primary properties is based on measurements in terms of units: centimeter, gram, second, with operational definitions which are recipes for voluntary actions.
From this base, he can move to a formal definition of the projective properties of straightness and flatness in the derivations of PR IV, 3, apply those notions to the doctrine of strains (PR IV, 4), demonstrating that the shrinking of a set of linear relations into the microcosm of a strain seat does not distort those relations, and hence that the measurement of a strain locus in the presentational immediacy of the measurer says something objective about the contemporaneous world (PR IV, 5).
2015 Annual Report 2015 Assessment of Internal Controls 2015 Audit Committee 2015 Audited Financial Statements 2015 Auditors Communication on Internal Controls 2015 Board of Directors 2015 Board Meeting Dates 2015 Board Meeting Minutes 2015 Budget 2015 Investment Report 2015 Management Letter 2015 Mission Statement and Performance Measurements 2015 Next Meeting Agenda 2015 Organizational Chart 2015 Property Documentation
In a set of papers posted online August 4 at arXiv.org, scientists with the Dark Energy Survey reported new measurements of the universe's properties, including the amount of matter (both dark and normal) and how clumpy that matter is (SN: 9/2/17, p. 32).
This fuzziness is not due to poor measurement; it is an intrinsic property of particles on the quantum scale.
To be clear, it's not just that physicists don't know what the properties are; the properties literally only come into being at the time of the measurement.
In entanglement, two particles become twinned in such a way that the measurement of one always determines the properties of the other, no matter how far apart they may be.
The CRaTER observations have validated the models and the ground - based measurements, meaning that lightweight shielding materials could safely be used for long missions, provided their structural properties can be made adequate to withstand the rigors of spaceflight.
«Quantum mechanics has this famous feature where some properties of quantum particles are not just unknown before they are measured, but fundamentally do not exist in a definitive state prior to the act of measurement,» he says.
TAKING MEASURE New units based on fundamental properties of the universe will make measurements more precise.
The exact size of RR245 is not yet exactly known, as its surface properties need further measurement.
Previously, the most precise measurement of the constant was indirect, relying on a measurement of the electron's magnetic properties and using complex theoretical calculations to infer the constant's value.
Measurement of water absorption and transport properties of fabrics under different sweating levels
In particle physics, the discovery of the Higgs boson and measurements of its properties give equally compelling evidence that their «standard model» of elementary particles and force - generating symmetries explains everything it's supposed to.
Quantum effects give rise to some of the most useful and promising properties of materials: they define standard units of measurement, give rise to superconductivity, and describe quantum computers.
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.
Outfitted with specialised instruments, the buoy functions as an unmanned research platform for continuous measurements of solar radiation absorption and other critical properties of Arctic snow and ice.
Researchers from Norway and China have collaborated on developing an autonomous buoy with instruments that can more precisely measure the optical properties of Arctic sea ice while also taking measurements of ice thickness and temperature.
The measurements give information on how «squishy» the soil is at any given point, making it possible to infer a great deal of information about the soil properties, such as its water content or texture.
Histological measurements revealed that specific arrangements of reflective guanine platelets in the fish's skin produce angle - dependent polarization modifications for polarocrypsis in the open ocean, suggesting a mechanism for natural selection to shape reflectance properties in this complex environment.
Published in ACS Nano, a journal of the American Chemical Society, the study coupled atomic - scale characterization and electrical property measurements with theory - based simulation.
By combining data from two high - energy accelerators, nuclear scientists have refined the measurement of a remarkable property of exotic matter known as quark - gluon plasma.
Aalto University researchers have developed a measurement technique called Scanning Droplet Adhesion Microscopy (SDAM) to understand and characterize the wetting properties of superhydrophobic materials.
Capture of all the transmitted electrons allows quantitative measurement of materials properties, such as internal electric and magnetic fields, which are important for use of the materials in memory and electronics applications.
The approach taken by the JET Collaboration to achieve it, by combining efforts of several groups of theorists and experimentalists, shows how to make other precise measurements of properties of the quark gluon plasma in the future.»
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.
In a paper published in Annals of Physics in January, the researchers propose two main ingredients that are sufficient to account for all properties of quantum measurements, including the uniqueness of the outcome of each individual run.
The constants c, e, and h are entangled with one another in a tight web of interconnections that spans the microworld, in the sense that all measurements of atomic and nuclear properties must ultimately be expressed in terms of these and a small handful of other numbers.
To perform the teleportation, Alice takes advantage of one more strange property of quantum mechanics: that measurement not only reveals something about a system, it also changes its state.
The study, published April 10, 2017 in the Proceedings of the National Academy of Sciences, combined measurements of fin shape from hundreds of specimens of the Labridae family with fin mechanical properties and neural responses recorded from eight different Labrid species, commonly known as wrasses.
Budimirovic says the current study updated the 2013 recommendations by using a more systematic approach that classified existing outcome measures as either being able to detect shorter - term changes (measures in FXS placebo - controlled trials lasting less than 12 months) or longer - term changes (lasting longer than 12 months) changes and by grading the measures» quantitative properties using the COnsensus - based Standards for the selection of health Measurement Instruments (COSMIN) system, an initiative that aims to improve how health measurement tools arMeasurement Instruments (COSMIN) system, an initiative that aims to improve how health measurement tools armeasurement tools are selected.
Having three detectors also enables researchers to make a rough measurement of the wave's polarization — a property that indicates how the black holes» orbital plane (the plane on which they rotate around each other) is orientated with respect to Earth.
Philipp Hauke and Peter Zoller from the Department of Theoretical Physics at the University of Innsbruck and the Institute for Quantum Optics and Quantum Information (IQOQI) at the Austrian Academy of Sciences in collaboration with Markus Heyl from the Technical University of Munich, and Luca Tagliacozzo from ICFO — The Institute of Photonic Sciences have found a new way to detect certain properties of many - particle entanglement independent of the size of the system and by using standard measurement tools.
«With this method in hand, we're able to show that time - resolved measurements of elastic properties on dynamic materials are possible on short timescales.»
The researchers used a combination of advanced electronic structure calculations, magnetic property measurements, and revolving scanning transmission electron microscopy (revolving STEM) to see what was happening at the atomic scale in NiFeCrCo.
These measurements were key to discovering the elusive properties of the dust.
So, for example, by measuring properties of the dark energy, we can learn whether Lawrence is right or wrong, and those measurements are going to be taken over the next decade.
All the team's proposed tests hinged on being able to make measurements of the quantum system at some intermediate time; but the physics books said that doing so would destroy the quantum properties of the system before the final, postselection step could be carried out.
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