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- en.wikipedia.org
  
  Tungsten - Wikipedia, the free encyclopedia
  
  Tungsten, also known as wolfram, is a chemical element with the chemical symbol W and atomic number 74. The word tungsten comes from the Swedish language tung sten directly translatable to heavy stone,[3] though the name is volfram in Swedish to distingui
  
  2024-07-13
  
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- en.wikipedia.org
  
  Tungsten trioxide - Wikipedia, the free encyclopedia
  
  Tungsten(VI) oxide occurs naturally in form of hydrates, which include minerals: tungstite WO3·H2O, meymacite WO3·2H2O and hydrotungstite (of same composition as meymacite, however sometimes written as H2WO4). These minerals are rare to very rare secondar
  
  2024-07-10
  
  瀏覽：600

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鎢 - 維基百科，自由的百科全書

日期：2024-07-16

鎢是一種化學元素，化學符號是W，原子序數是74，是非常硬、鋼灰色至白色的過渡金屬。含有鎢的礦物有黑鎢礦和白鎢礦等。鎢的物理特徵非常強，尤其是熔點非常高，是所有非合金金屬中最高的。純鎢主要用在電器和電子設備，它的許多化合物和合金也 ......

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钨 - 维基百科

日期：2024-07-09

钨是一種化学元素，化学符号是W，原子序数是74，是非常硬、钢灰色至白色的过渡金属。含有钨的矿物有黑钨矿和白钨矿等。钨的物理特征非常强，尤其是熔点非常高，是所有非合金金属中最高的。纯钨主要用在电器和电子设备，它的许多化合物和合金也 ......

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Zirconium»the essentials [WebElements Periodic Table]

日期：2024-07-11

This WebElements periodic table page contains the essentials for the element zirconium ... Zirconium is a greyish-white lustrous metal. The finely divided metal can ignite spontaneously in air, especially at elevated temperatures....

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Molybdenum (Mo) | PLANSEE - Molybdenum, tungsten, tantalum, niobium and chromium: Strong m

日期：2024-07-14

With its unique mechanical and chemical properties, molybdenum is an outstanding material that can meet the most exacting requirements. It has a very high melting point, a low coefficient of thermal expansion and a high level of thermal conductivity....

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Zirconium (Zr) | AMERICAN ELEMENTS®

日期：2024-07-16

Zirconium (Zr) chemical structure, technical & safety data, discovery, uses ... Health, Safety & Transportation Information for Zirconium Zirconium is non-toxic, however, safety data for Zirconium and its compounds can vary widely depending on the form....

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Zirconium - Periodic Table of Elements and Chemistry

日期：2024-07-12

Zirconium's properties, discovery, videos, images, states, energies, appearance and characteristics. ... Appearance and Characteristics Harmful effects: Zirconium is considered to be non-toxic. Characteristics: Zirconium is a strong, malleable, ductile, l...

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Oxidation and dissolution of tungsten carbide powder in water

日期：2024-07-13

Oxidation and dissolution of tungsten carbide powder in water Karin M. Andersson, , Lennart Bergström Institute for Surface Chemistry, P.O. Box 5607, S-114 86 Stockholm, Sweden Received 3 January 2000, Accepted 1 March 2000, Available online 6 October 200...

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Zirconium - Element information, properties and uses | Periodic Table

日期：2024-07-09

Element Zirconium (Zr), Group 4, Atomic Number 40, d-block, Mass 91.224. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images. ... Atomic radius/non -bonded (Å) Based on Van der Waals forces (where several isotopes exist, ...

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