Unlike lithium and sodium, however, potassium should not be stored under oil for longer than 6 months, unless in an inert ( oxygen free ) atmosphere, or under vacuum.

Unlike most vacuum tubes, they are not obsolete.

Unlike the Audion, the vacuum triode could not demodulate radio signals directly ( although Langmuir and other researchers soon found alternative ways to do this ), but it was capable of linear ( i. e. undistorted ) amplification, which turned out to be a vastly more useful feature.

Unlike a vacuum tube, a thyratron cannot be used to amplify signals linearly.

Unlike the orange-glowing cathodes of traditional vacuum tubes, VFD cathodes are efficient emitters at much lower temperatures, and are therefore essentially invisible.

Unlike most earlier British Rail shunters, the Class 02s were built with train vacuum brakes.

* Unlike electron microscope methods, specimens do not require a partial vacuum but can be observed in air at standard temperature and pressure or while submerged in a liquid reaction vessel.

Unlike Cybertron however, the moons do not appear to have any detectable atmosphere, as Daniel Witwicky, a longtime ally of the Autobots, was required to wear a mechanical ' exo suit ' that presumably included its own air supply and means to keep organic life forms pressurized against the vacuum of space, something that is not required by humans on Cybetron.

Unlike other airborne vehicles such as balloons or jets, a rocket is the only known form of propulsion which can continue to increase its speed at high altitudes in the vacuum outside the Earth's atmosphere.

Unlike the previous era of glass cockpits — where designers merely copied the look and feel of conventional electromechanical instruments onto cathode ray tubes — the new displays represent a true departure.

Unlike most other gas switch tubes, the krytron uses arc discharge to handle very high voltages and currents ( several kV and several kA peak ), rather than the usual low-current glow discharge.

Unlike Black Rock's rectangular solid composition, 60 State Street was given eleven sides and a two-part scheme so that it has the appearance of side-by-side octagonal tubes from a distance.

Unlike photomultiplier tubes, no amplification takes place, so the current that flows through the device is typically of the order of a few microamperes.

Unlike office holders ( magistrates ) who could be impeached and prosecuted for misconduct, the jurors could not be censured, for they, in effect, were the people and no authority could be higher than that.

Unlike the Catholic sacrament of Penance, the Consolamentum could be taken only once.

Unlike the 1541, which was limited to GCR formatting, the 1571 could do both GCR and MFM disk formats.

Unlike other handheld game consoles, the first Game. com consoles included two slots for game cartridges and could be connected to a 14. 4 kbit / s modem.

Unlike many children, Simon was exposed to the idea that human behavior could be studied scientifically at a relatively young age due to the influence of his mother ’ s younger brother, Harold Merkel, who had studied economics at the University of Wisconsin – Madison under John R. Commons.

Unlike earlier laws, it was written in Akkadian, the daily language of Babylon, and could therefore be read by any literate person in the city.

Unlike earlier works of interactive fiction which only understood commands of the form ' verb noun ', Infocom's parser could understand a wider variety of sentences.

Unlike the positivists, he did not claim that metaphysical statements must be meaningless ; he also claimed that a statement which was " metaphysical " and unfalsifiable in one century ( like the ancient Greek philosophy about atoms ) could, in another century, be developed into falsifiable theories that have the metaphysical views as a consequence, and thus become scientific.

Unlike typical Western poetry, however, the number of unstressed syllables could vary somewhat.

Unlike the APC ( which was intended merely to transport the infantry from place to place under armor ), the IFV possessed heavy firepower which could support the infantry in attack or defense.

Unlike Yosemite, there was no state government that could assume stewardship of the land, so the federal government took on direct responsibility for the park, the official first national park of the United States.

Unlike Windows NT, OS / 2 also always gave DOS programs the possibility of masking real hardware interrupts, so any DOS program could deadlock the machine this way.

Unlike Structuralists, however, the Post-structuralists questioned the division between relation and component and, correspondingly, did not attempt to reduce the subjects of their study to an essential set of relations that could be portrayed with abstract, functional schemes or mathematical symbols ( as in Claude Lévi-Strauss's algebraic formulation of mythological transformation in " The Structural Study of Myth ").

Unlike the heat flow, the Ricci flow could run into singularities and stop functioning.

Unlike punched card decks, which could be sorted and re-ordered, paper tape was difficult to physically edit.

Unlike the Prime Minister of the United Kingdom or the President of the United States who can appoint his own government cabinet, the General Secretary of the Central Committee, in the post-Stalin period, could not appoint new members to the Politburo without support from a majority within the Politburo itself.

Unlike African Americans, women, Native Americans, Jews, the Irish, Italians, Asians, Hispanics, or any other cultural group which struggled for respect and equal rights, homosexuals had no physical or cultural markings, no language or dialect which could identify them to each other, or to anyone else ...

Unlike DC, AC could be stepped up to very high voltages with transformers, sent over thinner and cheaper wires, and stepped down again at the destination for distribution to users.

Unlike Flight 11, which had turned its transponder off, Flight 175's flight data could still be properly monitored.

Unlike the south-east and northern counties, Gloucestershire had neither the large home gates nor the necessary funds that could have secured the services of good quality professionals.

* Unlike the Macintosh, PARC's windows could not overlap each other.

Unlike most Hall thruster propulsion systems used in commercial applications, the Hall thruster on SMART-1 could be throttled over a range of power, specific impulse, and thrust.

Unlike the AEC work, which was intended to study the reactor design itself, NERVA's goal was to produce a real engine that could be deployed on space missions.

Unlike its predecessor games, CoC assumed that most investigators would not survive, alive or sane, and that the only safe way to deal with the vast majority of nasty things described in the rule books was to run away.

Unlike Cygwin which requires " You rebuild your application from source if you want it to run on Windows ", the full Wine product supports executing unmodified Windows binaries.

Unlike woven fabrics, where strands usually run straight horizontally and vertically, yarn that has been knitted follows a loopy path along its row, as with the red strand in the diagram at left, in which the loops of one row have all been pulled through the loops of the row below it.

Unlike Kazaa Lite, which is a modification of an old version of Kazaa, K-Lite v2. 6 and later require the corresponding original KMD executable to run.

Unlike the Preakness and Belmont Stakes, which took hiatuses in 1891-1893 and 1911-1912 respectively, the Kentucky Derby has been run every consecutive year since 1875.

Unlike other dangerous animals, moose are not territorial, and do not view humans as food, and will therefore usually not pursue humans if they simply run away.

Unlike most other games released at the time, including its primary competitor, Unreal Tournament, Quake 3 requires an OpenGL-compliant graphics accelerator to run.

Unlike MIDI which uses a peer-to-peer serial port connection, ZIPI was designed to run over a star network with a hub in the center.

Unlike some other virtual-machine architectures in which the virtual instructions are interpreted at run time, TIMI instructions are never interpreted.

Unlike 1940, there was little doubt that Roosevelt would run for another term as the Democratic candidate.

Unlike ferrite circulators, these active circulators are not lossless passive devices but require a supply of power to run.

Unlike other mountain ranges that run along fault lines, the Adirondack mountains resemble a dome.

Unlike most aviation companies at the time, which were started by enthusiasts with little financial backing or business ability, British and Colonial was from its outset well funded and run by experienced businessmen.

Unlike the previous year, however, the Bulls ' playoff run was shorter and less dramatic as they were eliminated by the Cleveland Cavaliers in five games.

Unlike traditional Fibre Channel, which requires special-purpose cabling, iSCSI can be run over long distances using existing network infrastructure.

Unlike some SAN protocols, iSCSI requires no dedicated cabling ; it can be run over existing IP infrastructure.

Unlike the systems being rolled out in Europe, the CRC decided from the start that the system should be able to run on any combination of communications links.

Unlike Direct3D 10 which strictly required Direct3D 10-class hardware and driver interfaces, Direct3D 10. 1 runtime can run on Direct3D 10. 0 hardware using a concept of " feature levels ", but new features will be supported exclusively by new hardware.

Unlike the other wijken, it has no dedicated RandstadRail station, as both RandstadRail track branches run to the south of it.

Unlike other CBDs, MIBC is being created as a single project, run by one designated company, and combines business activity, living space, retail trade, and entertainment in one single development.

Unlike the other five former Yugoslav republics which were run for much of the 1990s by charismatic and frequently authoritarian presidents, Slovenia under Drnovšek's premiership quickly emerged from the break-up of the federation as a functioning parliamentary democracy.

Unlike previous networks, Syfy had the entire run of 1, 225 episodes to show.

Unlike the other excluded candidates mentioned, McCarthy was a longstanding national figure and unlike all those who were in the debates, including Bill Clinton, McCarthy had run for the office in previous elections.

Unlike most of MCA's previous acquisitions, the GRP ( which began managing MCA's jazz holdings ) and Geffen ( which became a second mainstream subsidiary ) labels kept their identities and MCA created a new holding company in 1989 called MCA Music Entertainment Group, headed by Al Teller, former President of United Artists Records, and Co-Chairman of Turf Classics, a concert production company, run by Producer Richard Flanzer ; among several other music industry positions Teller held.