impurities

听听怎么读

英 [ɪm'pjʊərɪtɪs]

美 [ɪm'pjʊərɪtɪs]

是什么意思

不纯( impurity的名词复数 )；不洁；淫秽；杂质

英英释义

impurity[ im'pjuəritis ]

n.
- worthless or dangerous material that should be removed
  同义词：dross
- the condition of being impure
  同义词：impureness

学习怎么用

词组短语

mechanical impurity机械杂质

impurity element杂质元素

双语例句

用作名词(n.)

Filtering the water removed some of its impurities.
把水过滤一下除去了一些杂质。
Workers are removing impurities from silver.
工人们正去除银中的杂质。

权威例句

XIV. The distribution of electrons round impurities in monovalent metals
Modified embedded-atom potentials for cubic materials and impurities
NMR Chemical Shifts of Common Laboratory Solvents as Trace Impurities
First-principles calculations for defects and impurities: Applications to III-nitrides
Doping by large-size-mismatched impurities: the microscopic origin of arsenic- or antimony-doped p-type zinc oxide.
Contribution to the theory of superconducting alloys with paramagnetic impurities
Embedded-atom method: Derivation and application to impurities, surfaces, and other defects in metals
Carbon Nanotubes Contain Metal Impurities Which Are Responsible for the “Electrocatalysis” Seen at Some Nanotube‐Modifi...
NMR Chemical Shifts of Trace Impurities: Common Laboratory Solvents, Organics, and Gases in Deuterated Solvents Relevant to the Orga...
THERMAL CONDUCTIVITY OF MOLYBDENUM AT ELEVATED TEMPERATURES: INFLUENCE OF GRAIN SIZE AND IMPURITIES.

i开头的单词