片语

nitrogen trifluoride nf三氟化氮

electronic grade nitrogen trifluoride电子级三氟化氮

Nitrogen trifluoride 99三氟化氮

high purity nitrogen trifluoride高纯三氟化氮

Nitrogen trifluoride 3三氟化氮

nitrogen trifluoride gas三氟化氮

Nitrogen trifluoride Nitroglycerin三氟化氮

英汉例句

• he found that about 563 metric tons of nitrogen trifluoride was emitted in 2006.

  他发现2006年中有大约563公吨的三氟化氮被排放。

• nitrogen trifluoride (nf3) is used mainly by the semiconductor industry to clean the chambers in which silicon chips are made.

  三氟化氮（nf3）主要被半导体工业用于清洗制造硅芯片的工作舱。

• this paper presents the development and the actual state of nitrogen trifluoride in china, analyzed the market of nitrogen trifluoride and give the advice.

  综述了我国三氟化氮的发展和现状，分析了市场形势，并提出了三氟化氮今后发展的对策。

• air products claims that worldwide production of nitrogen trifluoride has reached 7, 300 metric tons.

  空气化工产品公司宣称全球的三氟化氮产量已经达到7300公吨。

• the semiconductor industry started to use nitrogen trifluoride as a greener alternative for cleaning chipmaking equipment in the late 1980s.

  1980年代晚期，半导体工业开始使用三氟化氮作为更环保的代替物来清洁制造芯片的机器。

• but the first-ever measurements of nitrogen trifluoride levels in the atmosphere, published recently in the journal geophysical research letters show that emissions could be as high as 16 percent.

  但对大气中三氟化氮含量的首次测量，最近发表在《地球物理学研究通讯》（geophysicalresearchletters），揭示出其排放量可高达16%。

• nitrogen trifluoride (nf3) is a toxic, colorless, odorless, nonflammable, oxidizing compressed gas.

  三氟化氮（nf3）是有毒、无色、无嗅、不可燃的氧化性压缩气体。

• the concentration of nitrogen trifluoride in the atmosphere is about 0.5 part per trillion, making it very hard to measure.

  大气中三氟化氮的浓度大约为0.5万亿分之一（ppt），使得它很难测定。

• productivity, production technique and purification methods of nitrogen trifluoride are introduced at home and abroad, while the domestic and foreign market of it is analyzed and forecasted.

  介绍了国内外三氟化氮的产能、制备技术及纯化方法，同时对国内外三氟化氮市场进行了分析和预测。