Such industrial fractionating towers are also used in air separation, producing liquid oxygen, liquid nitrogen, and high purity argon.

According to special relativity, one can change a spatial and time separation ( L < sub > 1 </ sub >, Δt < sub > 1 </ sub >) into another ( L < sub > 2 </ sub >, Δt < sub > 2 </ sub >) by changing one's reference frame, as long as the change maintains the spacetime interval s. Such a change in reference frame corresponds to changing one's motion ; in a moving frame, lengths and times are different from their counterparts in a stationary reference frame.

Such a separation appears to have taken place, but dates based on such methods can only produce an estimate of the latest possible date for domestication without excluding the possibility of an unknown period of earlier gene-flow between wild and domestic populations ( which will occur naturally as long as the domesticated population is kept within the habitat of the wild population ).

Such exhibitions have been challenged on the grounds of separation of church and state.

Such sliding forces may not only account for spindle pole separation early in mitosis, but also spindle elongation during late anaphase.

Such flow separation causes a large increase in the pressure drag, since it greatly increases the effective size of the wing section.

Such developments showed that working class support for separation from the Liberal Party was growing in strength.

Such separation commonly is referred to as vicariance.

Such industries are the petroleum processing, petrochemical production, natural gas processing, coal tar processing, brewing, liquified air separation, and hydrocarbon solvents production and similar industries but it finds its widest application in petroleum refineries.

Such ' playing with a " transitional object "... a transitional object to help him cope with separation ' was for Winnicott a vital aspect of healthy development into independence.

Such a separation ( together with an appropriate gas-flow scheme ) may help reduce the negative effect, that particles released from a processed substrate may have on the plasma chemistry of the gas phase.

Such a separation is characterized as administrative rather than punitive.

Such an argument continues to assume the possibility of the traditional separation between " politics " and " administration ".

Such a separation of scales, by over 3 orders of magnitude, has not been met in any other situation as yet.

Such a failure would result from unusual early experiences of neglect, abuse, abrupt separation from caregivers after about six months of age but before about three years of age, frequent change of caregivers or excessive numbers of caregivers, or lack of caregiver responsiveness to child communicative efforts.

Such tasks were gradually given to other governmental institutions, mainly with the creation of the Central Bank of Brazil in 1964 and the separation from the National Treasury in 1987.

Such a failure could result from severe early experiences of neglect, abuse, abrupt separation from caregivers between the ages of six months and three years, frequent change of caregivers, or a lack of caregiver responsiveness to a child's communicative efforts.

Such " arbitrary separation " by race, Harlan concluded, was " a badge of servitude wholly inconsistent with the civil freedom and the equality before the law established by the Constitution.

Such a separate state was provided for by the Federal constitutional assembly of November 1824, but there was sizable opposition to the separation in Guatemala City.

Such commentators define " soft " dominionism as the belief that " America is a Christian nation " and opposition to separation of church and state, while " hard " dominionism refers to dominion theology and Christian Reconstructionism.

Such a situation is encountered in tethered polymers ( Polymer brush ) exhibiting a vertical phase separation, where stands for the polymer density profile and is related to the spatial distribution of terminal, non-tethered monomers of the polymers.

Such a division of the model allows for an intuitive separation of those elements, which are ( 1 ) present in every specific problem of the problem-domain ( these elements are contained in the domain-description ), and those elements, which ( 2 ) determine the specific planning-problem ( these elements are contained in the problem-description ).

Such forces between atoms are much weaker than the attractive electrical forces that hold the atoms themselves together ( i. e., that bind electrons to the nucleus ), and their range between atoms is shorter, because they arise from small separation of charges inside the neutral atom.

Such groups of species with complex relationship between species may occur in a line undergoing rapid speciation or where such speciaton recently have occurred, so that species separation mechanisms has yet to be fully developed.

Such ambiguous exercises compound confusion by making it worse compounded, and they are sometimes expanded until the cream of the jest sours.

Such cooperative behaviors have sometimes been seen as arguments for left-wing politics such by the Russian zoologist and anarchist Peter Kropotkin in his 1902 book Mutual Aid: A Factor of Evolution and Peter Singer in his book A Darwinian Left.

Such instruments are generally calibrated to indicate the RMS value for a sine wave only but some designs will indicate true RMS ( sometimes with limitations as to wave shape ).

Such restraint is difficult for most persons and sometimes impossible, and for them married life is decidedly more helpful than a life of celibacy.

Such a computer is sometimes called a Writable Instruction Set Computer or WISC.

Such declarations are typically made without the consent of the parent state, and hence are sometimes called unilateral declarations of independence ( UDIs ), particularly by those who question the declarations ' validity.

Such a key is sometimes referred to as a dead key, as it produces no output of its own but modifies the output of the key pressed after it.

Such activities are sometimes known as " fan labor " or " fanac ", an abbreviated form of the phrase " fan activity.

Such interactions between nearby galaxies, which may ultimately result in a merging, sometimes induce significantly increased incidents of star formation leading to starburst galaxies.

Such mobiles are considered pseudo-Class A, sometimes referred to as " simple class A ".

By the early 3rd century, Origen of Alexandria may have been using the same 27 books as in the modern New Testament, though there were still disputes over the canonicity of Hebrews, James, II Peter, II and III John, and Revelation Such works that were sometimes " spoken against " were called Antilegomena.

Such simplification has sometimes led to confusion if the character is not understood in the context of the sentence or paragraph as a whole, for it poses difficulty to the reader to know which particular word was referred to by the use of the one simple ideogram.

Such " Cordovan leathers " were a north African style that was introduced to Spain in the ninth century ( hence it is sometimes referred to as ' Spanish leather '); in Spain such embossed leather hangings were known as guadamecí or guadamecil, from the Libyan town of Ghadames, while cordobanes signified soft goat leather.

Such games of Nomic sometimes last for a very long time – Agora has been running since 1993.

Such ideas are sometimes expressed around concepts of a world government.

Such general random elements can sometimes be treated as sets of real-valued random variables — often more specifically as random vectors ).

Such objects are sometimes called artificial satellites to distinguish them from natural satellites such as the Moon.

Such carrier traps are sometimes purposely added to reduce the time needed to reach the steady state.

Such work is sometimes seen as less interesting and less appreciated by peers, especially if an analysis, however diligent and time-consuming, does not turn up much of interest.

Such groups often pursued independence and sovereignty over territory, but sometimes a different sense of autonomy has been pursued or achieved.

Such adherents sometimes see syncretism as a betrayal of their pure truth.

Such processes are sometimes called quasi-static and are near enough to being reversible.

Such tungsten alloys are sometimes used in low-temperature superconducting circuits.

Such philosophical questions about the nature of identity are sometimes referred to as the Ship of Theseus Paradox.

Such farms are sometimes called muck farms, after the dark black soil in which vegetables grow well.