Search results

• Directorate of Miscellaneous Weapons Development
  ...rom their original title, the '''Inspectorate of Anti-Aircraft Weapons and Devices''', IAAWD, which was corrupted to Instigator of Anti-Aircraft Wheezes and D DMWD was responsible for a number of devices of varying practicality and success, many of which were based on solid fuel
  3 KB (456 words) - 19:23, 2 July 2010
• Mark 14 torpedo
  |detonation=Contact or [[Magnetic pistol]] ...armor.<ref name="Blair, p.54"/>. The dynamics of this process is that the magnetic trigger allows the weapon to explode some distance below the ship. When th
  22 KB (3,432 words) - 20:55, 2 July 2010
• Alternator
  ...in the form of [[alternating current]]. Most alternators use a rotating [[magnetic field]] but [[linear alternator]]s are occasionally used. In principle, an ...own in simple forms from the discovery of the [[Electromagnetic induction|magnetic induction of electric current]]. The early machines were developed by pione
  17 KB (2,452 words) - 16:44, 15 September 2010
• Mercury (element)
  .... {{chem|199|Hg}} and {{chem|201|Hg}} are the most often studied [[Nuclear magnetic resonance|NMR]]-active nuclei, having spins of {{frac|2}} and {{frac|3|2}} ...cfm?ID=782|title=Two States Pass First-time Bans on Mercury Blood Pressure Devices|date=June 2, 2003|publisher=Health Care Without Harm|accessdate=May 1, 2007
  69 KB (10,077 words) - 21:35, 20 September 2010
• The World Factbook
  ...vailable in microfiche, magnetic tape, or computer diskettes. }}</ref>, [[magnetic tape]]<ref name=wfbems/>, and [[floppy disk]]<ref name=wfbems/>. ...d Factbook for Android] - optimized CIA World Factbook version for Android Devices
  43 KB (6,107 words) - 13:33, 19 September 2010
• Ceramic materials
  ...ss microindentions. Most bulk mechanical, optical, thermal, electrical and magnetic properties are significantly affected by the observed microstructure. The f One of the most widely used of these is the varistor. These are devices that exhibit the property that resistance drops sharply at a certain [[thre
  28 KB (3,876 words) - 10:08, 20 September 2010
• Polyanhydrides
  ...erties of polyanhydrides render them ideal as controlled [[drug delivery]] devices. ...tural features of the [[polymer]]. For example, the analysis of [[nuclear magnetic resonance]]([[NMR]]) peaks allows one to determine if a copolymer has a ran
  10 KB (1,280 words) - 10:09, 20 September 2010
• Polymer nanocomposite
  ...w generation of materials with enhanced mechanical, optical, transport and magnetic properties. ...arge saturation magnetizations. In addition, by using periodically varying magnetic fields, the nanoparticles were heated up to provide, thus, a trigger for dr
  15 KB (2,273 words) - 10:09, 20 September 2010
• Viscometer
  These devices also are known as glass capillary viscometers or '''Ostwald viscometers''', ...e number of rotations to distance traveled, allowing smaller more portable devices. This type of device is also suitable for ship board use.
  17 KB (2,664 words) - 10:09, 20 September 2010
• Polymer
  ...y of biomedical applications ranging from [[Implant (medicine)|implantable devices]] to controlled [[drug delivery]]. Polymers such as poly(methyl methacrylat ...d [[polydispersity]]. [[FTIR]], [[Raman spectroscopy|Raman]] and [[Nuclear magnetic resonance|NMR]] can be used to determine composition. Thermal properties su
  45 KB (6,501 words) - 10:11, 20 September 2010
• Coordination polymers
  ...ed much interest because of their potential applications in optoelectronic devices or as fluorescent sensors and probes. Coordination polymers are often more ...used for designing potential candidates for light emitting diode ([[LED]]) devices. The dramatic increase in fluorescence is caused by the increase in rigidi
  23 KB (3,302 words) - 10:11, 20 September 2010
• Metal
  ...anic metals, which have been made by researchers and employed in high-tech devices. These synthetic materials often have the characteristic silvery gray refle ...ron]], or an alloy such as [[steel]]. Ferrous metals are often [[magnetism|magnetic]], but not exclusively.
  24 KB (3,311 words) - 10:13, 20 September 2010
• Metallurgy
  ...apan]], etc. Of interest to note is that many applications, practices, and devices associated or involved in metallurgy were possibly established in ancient C ...(such as [[Monel]]) are used in highly corrosive environments and for non-magnetic applications. Nickel-based [[superalloy]]s like [[Inconel]] are used in hig
  14 KB (1,922 words) - 10:13, 20 September 2010
• Ruthenium
  ...b>x</sub> storage nodes for Gb-scale DRAM's. IEEE Transactions on Electron Devices |year=1997|volume=44|pages=1076–1083|author=Yamamichi, S ''et al.''}}</re ...henium_stabilizes_magnetic_sensors.html Nano-layer of ruthenium stabilizes magnetic sensors]
  39 KB (5,430 words) - 10:13, 20 September 2010
• Steel
  ...th nickel, to resist [[corrosion]] ([[rust]]). Some stainless steels are [[magnetic]], while others are [[nonmagnetic]].<ref>{{cite web|url=http://steel.org |t ...ce.<ref name=EM2/> Tool steel is generally used in axes, drills, and other devices that need a sharp, long-lasting cutting edge. Other special-purpose alloys
  44 KB (6,419 words) - 10:22, 20 September 2010
• Iron
  ...64| pages=164–167| title=Handbook of materials and techniques for vacuum devices|last=Kohl | first= Walter H.| publisher=Springer| year=1995| isbn=156396387 ...zed iron, the electronic spins of all the domains are aligned, so that the magnetic effects of neighboring domains reinforce each other. Although each domain c
  67 KB (9,808 words) - 10:24, 20 September 2010
• Carbon monoxide poisoning
  ...preferably one on each level of the building.<ref name="cpsc.gov"/> These devices, which are relatively inexpensive<ref name="Krenzelok EP"/> and widely avai .../> NFPA 720-2009 is the first national carbon monoxide standard to address devices in non-residential buildings. These guidelines, which now pertain to school
  71 KB (9,723 words) - 21:31, 20 September 2010
• Test and tagging
  ...d also specifies procedures for [[Residual-current device|Residual Current Devices / Safety Switches]]. ...(EMI) suppression has triggered, for equipment containing voltage limiting devices such as MOVs, or EMI suppression, at 250 V d.c.<ref>Standard: AS/NZS 3760:2
  20 KB (3,024 words) - 21:33, 20 September 2010
• Implications of nanotechnology
  ...ocietal issues''' - the effects that the availability of nanotechnological devices will have on politics and human interaction ...] are the possible effects that the use of nanotechnological materials and devices will have on [[human health]]. As nanotechnology is an emerging field, the
  38 KB (5,196 words) - 21:33, 20 September 2010
• Electromagnetic field
  ...tic field]]. The electric field is produced by stationary charges, and the magnetic field by moving charges (currents); these two are often described as the so ...of charged objects. For example, oscillating charges produce electric and magnetic fields that may be viewed in a 'smooth', continuous, wavelike fashion. In t
  21 KB (2,891 words) - 21:36, 20 September 2010

View (previous 20 | next 20) (20 | 50 | 100 | 250 | 500)