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the+chemical+properties+of+copper

  • 1 صفة

    صِفَة \ adjective: a describing word, such as big, bold, nice, that names a quality or defines a noun. capacity: position: I asked my friend to advise me in his capacity as a lawyer. \ صِفَة غير سابِقة للاسم بالإنجليزية \ predicative: (of an adjective) not placed in front of a noun: ‘asleep’ is a predicative adjective; we cannot say "an asleep boy", but we say "The boy is asleep". \ صِفَة مُسْتَعْمَلَة قبل الاسم بالإنجليزية \ attributive: used before its noun, as in: the lazy boy. \ صِفَة مُمَيِّزة \ characteristic: a special quality of sb. or sth.: A useful characteristic of the cat is its ability to catch mice. peculiarity: sth. belonging only to (a person, place, time, etc.): the peculiarities of English pronunciation. property: a special quality that belongs to sth.: the chemical properties of a material. quality: (of people) a part of one’s character or abilities: Courage and honesty are good qualities; laziness is a bad one. Speed and strength are necessary qualities in a runner, (of things) a part of the nature of sth. (its material, its usefulness, etc.) Copper has the right qualities for electric wiring: It is strong but bends easily, is not harmed by water, and lets electricity flow through it fast.

    Arabic-English dictionary > صفة

  • 2 خاصية

    خَاصِّيَّة \ peculiarity: sth. belonging only to (a person, place, time, etc.): the peculiarities of English pronunciation. property: a special quality that belongs to sth.: The chemical properties of a material. quality: (of things) a part of the nature of sth. (its material, its usefulness, etc.): Copper has the right qualities for electric wiring: it is strong but bends easily, is not harmed by water, and lets electricity flow through it fast. \ خَاصِّيَّة \ peculiarity: sth. strange and unusual; a strange quality. \ See Also صِفَة غَريبة أو خَاصَّة \ خَاصِّيَّة مُمَيَّزة \ speciality, specialty: a special interest or product: Fish dishes are the speciality of this restaurant.

    Arabic-English dictionary > خاصية

  • 3 characteristic

    صِفَة مُمَيِّزة \ characteristic: a special quality of sb. or sth.: A useful characteristic of the cat is its ability to catch mice. peculiarity: sth. belonging only to (a person, place, time, etc.): the peculiarities of English pronunciation. property: a special quality that belongs to sth.: the chemical properties of a material. quality: (of people) a part of one’s character or abilities: Courage and honesty are good qualities; laziness is a bad one. Speed and strength are necessary qualities in a runner, (of things) a part of the nature of sth. (its material, its usefulness, etc.) Copper has the right qualities for electric wiring: It is strong but bends easily, is not harmed by water, and lets electricity flow through it fast.

    Arabic-English glossary > characteristic

  • 4 peculiarity

    صِفَة مُمَيِّزة \ characteristic: a special quality of sb. or sth.: A useful characteristic of the cat is its ability to catch mice. peculiarity: sth. belonging only to (a person, place, time, etc.): the peculiarities of English pronunciation. property: a special quality that belongs to sth.: the chemical properties of a material. quality: (of people) a part of one’s character or abilities: Courage and honesty are good qualities; laziness is a bad one. Speed and strength are necessary qualities in a runner, (of things) a part of the nature of sth. (its material, its usefulness, etc.) Copper has the right qualities for electric wiring: It is strong but bends easily, is not harmed by water, and lets electricity flow through it fast.

    Arabic-English glossary > peculiarity

  • 5 property

    صِفَة مُمَيِّزة \ characteristic: a special quality of sb. or sth.: A useful characteristic of the cat is its ability to catch mice. peculiarity: sth. belonging only to (a person, place, time, etc.): the peculiarities of English pronunciation. property: a special quality that belongs to sth.: the chemical properties of a material. quality: (of people) a part of one’s character or abilities: Courage and honesty are good qualities; laziness is a bad one. Speed and strength are necessary qualities in a runner, (of things) a part of the nature of sth. (its material, its usefulness, etc.) Copper has the right qualities for electric wiring: It is strong but bends easily, is not harmed by water, and lets electricity flow through it fast.

    Arabic-English glossary > property

  • 6 quality

    صِفَة مُمَيِّزة \ characteristic: a special quality of sb. or sth.: A useful characteristic of the cat is its ability to catch mice. peculiarity: sth. belonging only to (a person, place, time, etc.): the peculiarities of English pronunciation. property: a special quality that belongs to sth.: the chemical properties of a material. quality: (of people) a part of one’s character or abilities: Courage and honesty are good qualities; laziness is a bad one. Speed and strength are necessary qualities in a runner, (of things) a part of the nature of sth. (its material, its usefulness, etc.) Copper has the right qualities for electric wiring: It is strong but bends easily, is not harmed by water, and lets electricity flow through it fast.

    Arabic-English glossary > quality

  • 7 peculiarity

    خَاصِّيَّة \ peculiarity: sth. belonging only to (a person, place, time, etc.): the peculiarities of English pronunciation. property: a special quality that belongs to sth.: The chemical properties of a material. quality: (of things) a part of the nature of sth. (its material, its usefulness, etc.): Copper has the right qualities for electric wiring: it is strong but bends easily, is not harmed by water, and lets electricity flow through it fast.

    Arabic-English glossary > peculiarity

  • 8 property

    خَاصِّيَّة \ peculiarity: sth. belonging only to (a person, place, time, etc.): the peculiarities of English pronunciation. property: a special quality that belongs to sth.: The chemical properties of a material. quality: (of things) a part of the nature of sth. (its material, its usefulness, etc.): Copper has the right qualities for electric wiring: it is strong but bends easily, is not harmed by water, and lets electricity flow through it fast.

    Arabic-English glossary > property

  • 9 quality

    خَاصِّيَّة \ peculiarity: sth. belonging only to (a person, place, time, etc.): the peculiarities of English pronunciation. property: a special quality that belongs to sth.: The chemical properties of a material. quality: (of things) a part of the nature of sth. (its material, its usefulness, etc.): Copper has the right qualities for electric wiring: it is strong but bends easily, is not harmed by water, and lets electricity flow through it fast.

    Arabic-English glossary > quality

  • 10 neutralización

    f.
    1 neutralization.
    2 counteraction, action of a drug acting against another.
    * * *
    1 neutralization
    * * *
    * * *
    femenino neutralization
    * * *
    = doping, neutralisation [neutralization, -USA], blocking.
    Ex. The process is called doping and it interferes with the conducting properties of the semiconductor.
    Ex. The conservation method consists of several stages: mechanical cleaning, chemical purification, neutralization of surplus acidity, blocking of noxious influences of cations of iron and copper, moistening and strengthening of leather bindings, and greasing.
    Ex. The conservation method consists of several stages: mechanical cleaning, chemical purification, neutralization of surplus acidity, blocking of noxious influences of cations of iron and copper, moistening and strengthening of leather bindings, and greasing.
    ----
    * neutralización de la acidez = deacidification [de-acidification], deacidifying.
    * * *
    femenino neutralization
    * * *
    = doping, neutralisation [neutralization, -USA], blocking.

    Ex: The process is called doping and it interferes with the conducting properties of the semiconductor.

    Ex: The conservation method consists of several stages: mechanical cleaning, chemical purification, neutralization of surplus acidity, blocking of noxious influences of cations of iron and copper, moistening and strengthening of leather bindings, and greasing.
    Ex: The conservation method consists of several stages: mechanical cleaning, chemical purification, neutralization of surplus acidity, blocking of noxious influences of cations of iron and copper, moistening and strengthening of leather bindings, and greasing.
    * neutralización de la acidez = deacidification [de-acidification], deacidifying.

    * * *
    neutralization
    * * *
    [de efecto] neutralization

    Spanish-English dictionary > neutralización

  • 11 Davy, Sir Humphry

    [br]
    b. 17 December 1778 Penzance, Cornwall, England
    d. 29 May 1829 Geneva, Switzerland
    [br]
    English chemist, discoverer of the alkali and alkaline earth metals and the halogens, inventor of the miner's safety lamp.
    [br]
    Educated at the Latin School at Penzance and from 1792 at Truro Grammar School, Davy was apprenticed to a surgeon in Penzance. In 1797 he began to teach himself chemistry by reading, among other works, Lavoisier's elementary treatise on chemistry. In 1798 Dr Thomas Beddoes of Bristol engaged him as assistant in setting up his Pneumatic Institution to pioneer the medical application of the newly discovered gases, especially oxygen.
    In 1799 he discovered the anaesthetic properties of nitrous oxide, discovered not long before by the chemist Joseph Priestley. He also noted its intoxicating qualities, on account of which it was dubbed "laughing-gas". Two years later Count Rumford, founder of the Royal Institution in 1800, appointed Davy Assistant Lecturer, and the following year Professor. His lecturing ability soon began to attract large audiences, making science both popular and fashionable.
    Davy was stimulated by Volta's invention of the voltaic pile, or electric battery, to construct one for himself in 1800. That enabled him to embark on the researches into electrochemistry by which is chiefly known. In 1807 he tried decomposing caustic soda and caustic potash, hitherto regarded as elements, by electrolysis and obtained the metals sodium and potassium. He went on to discover the metals barium, strontium, calcium and magnesium by the same means. Next, he turned his attention to chlorine, which was then regarded as an oxide in accordance with Lavoisier's theory that oxygen was the essential component of acids; Davy failed to decompose it, however, even with the aid of electricity and concluded that it was an element, thus disproving Lavoisier's view of the nature of acids. In 1812 Davy published his Elements of Chemical Philosophy, in which he presented his chemical ideas without, however, committing himself to the atomic theory, recently advanced by John Dalton.
    In 1813 Davy engaged Faraday as Assistant, perhaps his greatest service to science. In April 1815 Davy was asked to assist in the development of a miner's lamp which could be safely used in a firedamp (methane) laden atmosphere. The "Davy lamp", which emerged in January 1816, had its flame completely surrounded by a fine wire mesh; George Stephenson's lamp, based on a similar principle, had been introduced into the Northumberland pits several months earlier, and a bitter controversy as to priority of invention ensued, but it was Davy who was awarded the prize for inventing a successful safety lamp.
    In 1824 Davy was the first to suggest the possibility of conferring cathodic protection to the copper bottoms of naval vessels by the use of sacrificial electrodes. Zinc and iron were found to be equally effective in inhibiting corrosion, although the scheme was later abandoned when it was found that ships protected in this way were rapidly fouled by weeds and barnacles.
    [br]
    Principal Honours and Distinctions
    Knighted 1812. FRS 1803; President, Royal Society 1820. Royal Society Copley Medal 1805.
    Bibliography
    1812, Elements of Chemical Philosophy.
    1839–40, The Collected Works of Sir Humphry Davy, 9 vols, ed. John Davy, London.
    Further Reading
    J.Davy, 1836, Memoirs of the Life of Sir Humphry Davy, London (a classic biography). J.A.Paris, 1831, The Life of Sir Humphry Davy, London (a classic biography). H.Hartley, 1967, Humphry Davy, London (a more recent biography).
    J.Z.Fullmer, 1969, Cambridge, Mass, (a bibliography of Davy's works).
    ASD

    Biographical history of technology > Davy, Sir Humphry

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