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This measurement was obtained by W. Blumberg of the University of California, Berkeley, by observing the breadth of the free induction decay signal.
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measurement and was
One measurement at 40 Mc/sec was obtained with the Varian model Af unit.
A single measurement of the spin - spin relaxation time Af was obtained at 10 Mc/sec by pulse methods.
The temperature was maintained to within about Af for the period of time required to make the measurement ( usually about one hour ).
The most convincing recent measurement of an anaconda was made in eastern Colombia by Roberto Lamon, a petroleum geologist of the Richmond Oil Company, and reported in 1944 by Emmett R. Dunn.
For Felix it was a bit of a stretch to make even that measurement.
In 1745, a year after his death, the scale was reversed by Carl Linnaeus to facilitate more practical measurement.
In 1794, this fortress was used by the French astronomer Pierre François André Méchain for observations relating to a survey stretching to Dunkirk that provided the official basis of the measurement of a metre.
Rather than the original 20 cm size, the diameter of this compact disc was set at 11. 5 cm, the diagonal measurement of a compact cassette.
Since these circular tubes were used to display rectangular images, the diagonal measurement of the rectangle was equivalent to the diameter of the tube's face.
The idea of the Erdős number was created by friends as a humorous tribute to the enormous output of Erdős, one of the most prolific modern writers of mathematical papers, and has become well known in scientific circles as a tongue-in-cheek measurement of mathematical prominence.
Quantum mechanics was developed with the aim of describing atoms and explaining the observed spectral lines in a measurement apparatus.
According to the understanding of quantum mechanics known as the Copenhagen interpretation, measurement causes an instantaneous collapse of the wave function describing the quantum system into an eigenstate of the observable state that was measured.
Commenting on this, other writers ( such as John von Neumann and David Bohm ) have suggested that consequently there would have to be ' hidden ' variables responsible for random measurement results, something which was not expressly claimed in the original paper.
Prior to the publication of the EPR paper, a measurement was often visualized as a physical disturbance inflicted directly upon the measured system.
Among the early Saxons, the rod was the fundamental unit of land measurement.
Astronomers had believed for some time that parallax would provide the first accurate measurement of interstellar distances — in fact, in the 1830s there was a fierce competition between astronomers to be the first to measure a stellar parallax accurately.
His announcement of Sirius's " dark companion " in 1844 was the first correct claim of a previously unobserved companion by positional measurement, and eventually led to the discovery of Sirius B.
This measurement for distances eventually was converted to a time-mile used for measuring the travel of the Sun, therefore, representing time.
NASA engineers were able to recover the damaged tape recorder electronics, and Galileo continued to return scientific data until it was deorbited in 2003, performing one last scientific experiment — a measurement of the moon Amalthea's mass as the spacecraft swung by it.
Made-Beaver, the quality measurement of the pelt, was the denomination used by the Hudson ’ s Bay Company to define the Official and Comparative Standards.
A hogshead was also used as unit of measurement for sugar in Louisiana for most of the 19th century.
Roberts was a maker of high-quality machine tools and a pioneer of the use of jigs and gauges for precision workshop measurement.
This machine was for many years the internationally accepted standard for measurement.
The IEC was instrumental in developing and distributing standards for units of measurement, particularly Gauss, Hertz, and Weber.
measurement and obtained
However, the results of the measurement are not unique — every possible result is obtained.
After the measurement is performed, having obtained some result x, the wave function collapses into a position eigenstate centered at x.
If one performs a position measurement on such a wavefunction, the resultant x will be obtained with 100 % probability ( i. e., with full certainty, or complete precision ).
In other words, is a function representing the measurement at the i-th experiment and is the value actually obtained when making the measurement.
For example, a measurement of 5. 783 millimetres would be obtained by reading 5. 5 millimetres on the sleeve, and then adding 0. 28 millimetre as determined by the thimble.
The most precise value of α obtained experimentally through the present is based on a new measurement of g using a one-electron so-called " quantum cyclotron " apparatus, together with a calculation via the theory of QED that involved 891 four-loop Feynman diagrams:
People are considered as obese when their body mass index ( BMI ), a measurement obtained by dividing a person's weight in kilograms by the square of the person's height in metres, exceeds 30 kg / m < sup > 2 </ sup >.
Furthermore, experimental results obtained using these measurement methods has shown that the hardness number can be used to predict the stress required to permanently deform steel, a characteristic that fits in well with our idea of resistance to permanent deformation.
The above factor contribute to the measurement uncertainty of the results obtained with UV / Vis spectrophotometry.
But the relationship between hydrodynamic volume and molecular weight is not the same for all polymers, so only an approximate measurement can be obtained.
Additionally, the term broadside is a measurement of a vessel's maximum simultaneous firepower which can be delivered upon a single target, because this concentration is usually obtained by firing a broadside.
The histogram of the adhesion forces obtained in these multiple measurements provides the main data output for force spectroscopy measurement.
where m is the total molal equilibrium concentration of solute determined by any colligative property measurement ( in this case ΔT < sub > fus </ sub >, b is the nominal molality obtained from titration and a is the activity of the species.
Note that the state is destroyed by measurement, so when we refer to a collection of values, each measured value in this collection must be obtained using a freshly prepared state.
Absolute photometry is the measurement of the apparent brightness of an object on a standard photometric system, these measurements can be compared with other absolute photometric measurements obtained with different telescopes / instruments.
Using the Coriolis effect that causes a laterally vibrating tube to distort, a direct measurement of mass flow can be obtained in a coriolis flow meter.
In 1989, he obtained his Ph. D. from the Friedrich-Alexander University Erlangen-Nuremberg in Electrical Engineering for his work on digital audio coding and perceptual measurement techniques.
Reliability theory shows that the variance of obtained scores is simply the sum of the variance of true scores plus the variance of errors of measurement.
# Instrumentation, changes in calibration of a measurement tool or changes in the observers or scorers may produce changes in the obtained measurements.
The nasal projection measurement is obtained by delineating a right triangle with lines parting from the nasion ( nasofrontal juncture ) to the alar – facial – groove.
Classical test theory assumes that each person has a true score, T, that would be obtained if there were no errors in measurement.
1.119 seconds.