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单词 manganese
释义

Definition of manganese in English:

manganese

noun ˈmaŋɡəniːz
mass noun
  • 1The chemical element of atomic number 25, a hard grey metal of the transition series. Manganese is an important component of special steels and magnetic alloys.

    (化学元素)锰(符号: Mn

    Example sentencesExamples
    • The oxygens which were originally attached to the manganese are still attached in the neutral complex.
    • Nitrates and trace metals, such as iron, manganese, copper, and zinc, should be kept to a minimum.
    • Groundwater also contains salts of calcium, magnesium, iron, and manganese.
    • These alloys usually contain manganese as an impurity because wrought metal scrap is used in preparing them.
    • Offshore oil and gold are exploited, and there are deposits of iron ore, copper, manganese, uranium, silica, and titanium.
    • And it provided vital information on lime requirement, phosphorus, potash, magnesium, copper, manganese and zinc.
    • These changes were associated with large increases in phosphorus, potassium, zinc, iron, manganese, and copper.
    • Also, urinalysis showed high levels of potassium, manganese, and calcium.
    • The mineral elements most likely to be deficient in vineyards are nitrogen, potassium, phosphorus, zinc, boron, iron, manganese, and magnesium.
    • The list includes sodium, potassium, calcium, magnesium, manganese, iron, cobalt, copper, zinc, and molybdenum.
    • Most Nebraska soils contain sufficient levels of potassium, magnesium, manganese, iron and sulfur for sunflower levels.
    • Unlike metals such as iron, copper, magnesium, manganese, and nickel, gold has no natural biological role.
    • Carbon-manganese steels are in general use for the rails; too much carbon makes the steel brittle, too much manganese makes it hard to weld.
    • Less abundant elements, which are equally necessary for life, include calcium, manganese, iron, and iodine.
    • They include magnesium, calcium, iron, sulfur, molybdenum, boron, zinc, copper and manganese.
    • Daily intake of small amounts of manganese is needed for growth and good health in children.
    • Water from some sites contained manganese, often a component of the mineral-rich water discharged from vents.
    • By far the most important use of manganese is in the production of alloys, primarily steel alloys.
    • Cobalt, nickel and manganese are metals with iron-like properties.
    • Uptake of aluminum, iron and manganese has not been as extensively studied in algae.
    1. 1.1 The black dioxide of manganese as an industrial raw material or additive, especially in glass-making.
      (工业原料或添加剂,尤用于玻璃制造)二氧化锰

Origin

Late 17th century: via French from Italian manganese, alteration of medieval Latin magnesia (see magnesia).

Definition of manganese in US English:

manganese

noun
  • 1The chemical element of atomic number 25, a hard gray metal of the transition series. Manganese is an important component of special steels and magnetic alloys.

    (化学元素)锰(符号: Mn

    Example sentencesExamples
    • Offshore oil and gold are exploited, and there are deposits of iron ore, copper, manganese, uranium, silica, and titanium.
    • Nitrates and trace metals, such as iron, manganese, copper, and zinc, should be kept to a minimum.
    • These changes were associated with large increases in phosphorus, potassium, zinc, iron, manganese, and copper.
    • Less abundant elements, which are equally necessary for life, include calcium, manganese, iron, and iodine.
    • Water from some sites contained manganese, often a component of the mineral-rich water discharged from vents.
    • Also, urinalysis showed high levels of potassium, manganese, and calcium.
    • Carbon-manganese steels are in general use for the rails; too much carbon makes the steel brittle, too much manganese makes it hard to weld.
    • Most Nebraska soils contain sufficient levels of potassium, magnesium, manganese, iron and sulfur for sunflower levels.
    • The list includes sodium, potassium, calcium, magnesium, manganese, iron, cobalt, copper, zinc, and molybdenum.
    • The mineral elements most likely to be deficient in vineyards are nitrogen, potassium, phosphorus, zinc, boron, iron, manganese, and magnesium.
    • Groundwater also contains salts of calcium, magnesium, iron, and manganese.
    • By far the most important use of manganese is in the production of alloys, primarily steel alloys.
    • Uptake of aluminum, iron and manganese has not been as extensively studied in algae.
    • These alloys usually contain manganese as an impurity because wrought metal scrap is used in preparing them.
    • And it provided vital information on lime requirement, phosphorus, potash, magnesium, copper, manganese and zinc.
    • Unlike metals such as iron, copper, magnesium, manganese, and nickel, gold has no natural biological role.
    • The oxygens which were originally attached to the manganese are still attached in the neutral complex.
    • Daily intake of small amounts of manganese is needed for growth and good health in children.
    • Cobalt, nickel and manganese are metals with iron-like properties.
    • They include magnesium, calcium, iron, sulfur, molybdenum, boron, zinc, copper and manganese.
    1. 1.1 The black dioxide of manganese as an industrial raw material or additive, especially in glassmaking.
      (工业原料或添加剂,尤用于玻璃制造)二氧化锰

Origin

Late 17th century: via French from Italian manganese, alteration of medieval Latin magnesia (see magnesia).

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更新时间:2025/1/13 22:04:45