Search results

Jump to navigation Jump to search
  • ...us media, this leads to a depression in the freezing point / melting point that is inversely proportional to the pore size, as given by the '''Gibbs–Thomso ...but the bulk material is still frozen. Then, on re-cooling the equilibrium freezing event can be measured, as the external ice will then grow into the pores.<r ...
    29 KB (4,177 words) - 02:59, 24 November 2024
  • {{Short description|Phenomenon in materials science}} ...tastability|stable]]. That is, they are [[Metastability|metastable]] forms that have been replaced by more stable forms.<ref name="Bučar_2015" /><ref>{{Cit ...
    41 KB (5,883 words) - 04:09, 10 February 2025
  • A '''liquid''' is a nearly [[compressibility|incompressible]] [[fluid]] that conforms to the shape of its container but retains a nearly constant volume ...ty]] of a liquid is usually close to that of a solid, and much higher than that of a gas. Therefore, liquid and solid are both termed [[Condensed matter ph ...
    61 KB (8,650 words) - 07:24, 5 December 2024
  • ...—Concentrative Properties of Aqueous Solutions: Density, Refractive Index, Freezing Point Depression, and Viscosity}} [[Water]] ({{chem2|H2O}}) is a [[Chemical polarity|polar]] inorganic compound that is at [[room temperature]] a tasteless and odorless [[liquid]], which is ne ...
    89 KB (12,858 words) - 15:52, 26 February 2025
  • ...s are used once and [[disposable product|discarded]], as the [[electrode]] materials are irreversibly changed during discharge; a common example is the [[alkali ...stwatches to, at the largest extreme, huge battery banks the size of rooms that provide standby or emergency power for [[telephone exchange]]s and computer ...
    70 KB (9,886 words) - 21:43, 28 February 2025
  • '''Temperature''' is a [[physical quantity]] that quantitatively expresses the attribute of hotness or [[coldness]]. Temperat Thermometers are calibrated in various [[temperature scale]]s that historically have relied on various reference points and thermometric subst ...
    104 KB (15,313 words) - 09:37, 26 February 2025
  • {{Short description|Machine that converts wind energy into electrical energy}} ...er energy costs and reduce reliance on [[fossil fuel]]s. One study claimed that, {{as of|lc=y|2009|post=,}} wind had the "lowest relative greenhouse gas em ...
    85 KB (11,864 words) - 21:01, 17 February 2025
  • : [[Adsorption]] is a process that occurs when a gas or liquid [[solute]] accumulates on the surface of a soli : An [[alternator]] is an [[generator (device)|electromechanical device]] that converts mechanical energy to [[alternating current]] electrical energy. ...
    92 KB (12,972 words) - 00:03, 23 December 2024
  • ...surrounding {{gli|atmospheric pressure}} enables the air in the parcel to expand in volume, which decreases its internal energy and therefore its temperatur {{defn|The branch of [[biology]] that studies airborne organic particles, such as bacteria, viruses, fungal spore ...
    187 KB (27,209 words) - 04:40, 3 February 2025
  • .... Fault tolerant design can make a rebreather less likely to fail in a way that immediately endangers the user, and reduces the task loading on the diver w ...ing apparatus typically only uses about a quarter of the oxygen in the air that is breathed in, which is about 4 to 5% of the inspired volume. The remainin ...
    175 KB (26,717 words) - 05:57, 18 February 2025
  • ...which the velocity of a body changes with time, and the direction in which that change is acting.}} ...on]]|content='''[[Acid–base reaction]]'''}}{{defn|defn=A chemical reaction that occurs between an acid and a base, which can be used to determine pH.}} ...
    279 KB (40,634 words) - 08:09, 28 January 2025