Since helium remains a liquid even at absolute zero at atmospheric pressure, it has only a boiling point, and not a melting point, in conventional presentations.

The absolute cylinder pressure is the result of an exponent of the dynamic compression ratio.

The pressure shown on a gauge would be the absolute pressure less atmospheric pressure, or 187. 1 psi.

On average, the gas molecules move from the cold side toward the hot side whenever the pressure ratio is less than the square root of the ( absolute ) temperature ratio.

where is the molar mass, is the pressure, is the universal gas constant, and is the absolute temperature.

This means that the density of an ideal gas can be doubled by doubling the pressure, or by halving the absolute temperature.

When a system, for example, n moles of a gas of volume V at pressure p and temperature T, is created or brought to its present state from absolute zero, energy must be supplied equal to its internal energy U plus pV, where pV is the work done in pushing against the ambient ( atmospheric ) pressure.

Hot water platten vacuum kilns use aluminum heating plates with the water circulating within as the heat source, and typically operate at significantly reduced absolute pressure.

* Gauge pressure is zero-referenced against ambient air pressure, so it is equal to absolute pressure minus atmospheric pressure.

Tire pressure and blood pressure are gauge pressures by convention, while atmospheric pressures, deep vacuum pressures, and altimeter pressures must be absolute.

Moderate vacuum pressures are often ambiguous, as they may represent absolute pressure or gauge pressure without a negative sign.

Thus a vacuum of 26 inHg gauge is equivalent to an absolute pressure of 30 inHg ( typical atmospheric pressure ) − 26 inHg = 4 inHg.

If the absolute pressure of a fluid stays constant, the gauge pressure of the same fluid will vary as atmospheric pressure changes.

Such an interferometer provides a means of absolute temperature measurement, and may be used as an alternative to the gas thermometer.

Absolute temperature measurement is uniquely determined by a multiplicative constant which specifies the size of the " degree ", so the ratios of two absolute temperatures, T < sub > 2 </ sub >/ T < sub > 1 </ sub >, are the same in all scales.

If this sounds indulgent, it allows simultaneity, absolute space and time and a deterministic universe ( along with decoherence theory ) whilst the status-quo permits time travel / causality paradoxes, subjectivity in the measurement process and multiple universes.

A sequence is an absolute measure of base composition of an individual, or a representative of a species or group ; a genotype typically implies a measurement of how an individual differs or is specialized within a group of individuals or a species.

The noise power from a simple load is equal to, where ' is Boltzmann's constant, ' is the absolute temperature of the load ( for example a resistor ), and ' is the measurement bandwidth.

Spectroradiometry is the measurement of absolute radiometric quantities in narrow bands of wavelength.

As with most buildings measured internally, absolute measurement is hard to ascertain.

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.

There are several different psychophysical methods which can be used for the measurement of absolute threshold.

; Jitter: A measurement of the variation in period ( periodic jitter ) and absolute timing ( random jitter ) between measured clock timing versus an ideal clock.

Tunable lasers are used in swept-frequency metrology to enable measurement of absolute distances with very high accuracy.

The common characteristic to these is that a measurement of angular motion is combined with a measurement of the absolute velocity ( usually obtained via the Doppler effect ).

For example, when an absolute error in a temperature measurement given in Celsius is 1 ° and the true value is 2 ° C, the relative error is 0. 5 and the percent error is 50 %.

In geometry, trilateration is the process of determinating absolute or relative locations of points by measurement of distances, using the geometry of circles, spheres or triangles.

By using superconducting leads, it is possible to get a direct measurement of the absolute thermopower of the material of interest, since it is the thermopower of the entire thermocouple as well.

Cavity ring-down spectroscopy ( CRDS ) is a highly sensitive optical spectroscopic technique that enables measurement of absolute optical extinction by samples that scatter and absorb light.

The principle of operation is based on the measurement of a decay rate rather than an absolute absorbance.

The most important difference between NIRS and DOT / NIRI is that DOT / NIRI is used mainly to detect changes in optical properties of tissue simultaneously from multiple measurement points and display the results in the form of a map or image over a specific area, whereas NIRS provides quantitative data in absolute terms on up to a few specific points.

Partial pressure of oxygen must be correct as a fraction of absolute pressure at the point of measurement.

It is calculated by subtracting the means of all troughs from the means of all peaks experienced during stimulus presentation. VPA lacks an absolute scale of measurement ; each unit of change ( mV ) does not correspond directly with a physiological change ( cf.

As is true for all sensors, absolute accuracy of a measurement requires a functionality for calibration.

The basic needs approach is one of the major approaches to the measurement of absolute poverty.

This, however, cannot be done by a community whose very experience of truth is confused and incoherent: it has no absolute standard, and consequently cannot distinguish the absolute from the contingent.

Truly, that Liberals should choose Louis 14, as a bogey-symbol of conservatism is grotesquely ironic, considering the Louis 14, character of their Grand Monarque, FDR: not only in his accretion of absolute power and personal deification, ( le roi gouverne par lui meme ), but in the disastrous effects of his spending and war policies.

What Sam Rayburn's life proves to us all is the magnificent lesson in political science that one can devotedly and with absolute dedication represent the seemingly provincial interests of one's own community, one's own district, one's own State, and by that help himself represent even better the sweep and scope of the problems of this the greatest nation of all time.

Whenever the Secretary of the Treasury, or the Comptroller General of the United States, as the case may be, shall find that any person is entitled to any such payment, after such payment shall have been received by such person, it shall be an absolute bar to recovery by any other person against the United States, its officers, agents, or employees with respect to such payment.

It is relatively easy to go a step further and reason that an attacker, in possession of such absolute power, would simultaneously destroy his opponent's cities and people.

The result of the observations is Af where the phase angle, Q, is measured in degrees from new moon and the probable errors include absolute as well as relative errors.

Often work of this sort is presented as calligraphy -- the pure utterance of the brush stroke seeking only absolute painteresque values.

It is a program of prepayment of health costs with absolute freedom of choice guaranteed.

It is worth mentioning that the Nepōhualtzintzin amounted to the rank from 10 to the 18 in floating point, which calculated stellar as well as infinitesimal amounts with absolute precision, meant that no round off was allowed, when translated into modern computer arithmetic.

In Australia, the right to make a plea in mitigation is absolute.

This does not mean that it is claimed that they are true in some absolute sense.

In mathematics, the absolute value ( or modulus ) of a real number is the numerical value of without regard to its sign.

So, for example, the absolute value of 3 is 3, and the absolute value of – 3 is also 3.

For example an absolute value is also defined for the complex numbers, the quaternions, ordered rings, fields and vector spaces.

The absolute value is closely related to the notions of magnitude, distance, and norm in various mathematical and physical contexts.

For any real number the absolute value or modulus of is denoted by ( a vertical bar on each side of the quantity ) and is defined as

The president is elected for a five year term by the people ( absolute majority with 2nd round if necessary ).

It is not an absolute perfection but a perfection in love.

Its chemical and physical properties are so similar to that of natural amethyst that it can not be differentiated with absolute certainty without advanced gemnological testing ( which is often cost-prohibitive ).