boron copper

常見例句

雙語例句

• The effect of copper on low boron low chromium nickel based brazing alloy was studied by experiments.
  本文研究了銅對低硼、低鉻鎳基釬料工藝性能的影響。
• The influence of molybdenum, boron and copper on the mechanical properties of as-cast high chromium cast iron has been studied with the help of orthogonal experiment.
  利用正交試驗方法，研究了鉬、硼、銅合金元素對高鉻鑄鐵鑄態(tài)力學性能的影響。
• It is showed that its hardness increases and its bending strength and impact toughness decreases with addition of molybdenum and boron, but copper has little influence on the mechanical properties.
  研究結果表明：隨鉬及用含量增加，硬度升高，沖擊韌性和抗奇強度降低；而鋼對其性能影響不大。

權威例句

• For example, Turkish mining law is investment-friendly, as there is little bureaucratic control, an easy permitting process, and lower fees, and allows broader activities for companies involved in mining gold, copper and boron.
  FORBES: Small Caps Are The Rocket Stocks Of Emerging Markets
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