impurity

noun

1. 杂质
   a substance that is present in small amounts in another substance, making it dirty or of poor quality
   1. A filter will remove most impurities found in water.
      过滤器会滤掉水中的大部分杂质。
2. 肮脏；不纯；淫秽
   the state of being dirty or not pure

1. N-COUNT 杂质;不纯物质
   Impurities are substances that are present in small quantities in another substance and make it dirty or of an unacceptable quality.
   1. The air in the factory is filtered to remove impurities.
      工厂里的空气要经过过滤，以清除其中的杂质。
2. 淫乱;不贞
   Impurity is the state of being no longer pure, especially sexually pure.

1. The air in the factory is filtered to remove impurities.
   工厂里的空气要经过过滤，以清除其中的杂质。
2. Study on the Determination of Trace Composition and Impurity Elements in Kaolin with ICP-MS
   ICP-MS法测定高岭土中微量成分及杂质元素的研究
3. The impurity of the jade is the important behaviour of the performance.
   玉的杂质是性的重要表现。
4. Rinse under cold water to wash away the blood and impurity.
   再用冷水冲去血沫和杂质。
5. Some impurity as well as bromine was brought by solid matter that smuggled with foam fog in flash steam.
   闪蒸气中雾沫夹带的固体物引入了溴等杂质。
6. Used for screening the thick impurity wasted paper pulp.
   用于对废纸浆进行粗大杂质筛选。
7. There is no impurity so impure as old age.
   都没有年龄大了那种不纯的杂质。
8. Vitriolic impurity is contained normally in the sewage that vitriolic factory discharges.
   硫酸厂排放的污水中通常含有硫酸杂质。
9. The impurity elements on the surface of the silicon sample corroded were analyzed by an energy dispersive spectroscope.
   用能谱仪对腐蚀后的硅表层杂质元素进行分析；
10. A new many-valley effective mass impurity state theory is presented.
    本文提出了一种新的多能谷有效质量杂质电子态理论。
11. Lead as impurity in RIG ( rare earth iron garnet) Faraday rotators used for fibre optic communications systems.
    于光纤通讯系统稀土铁石榴石法拉第旋转器中作为杂质的铅。
12. Microstructure investigation showed that the zirconia and impurity phases were dispersed in the BN layer matrix.
    显微结构分析表明，氧化锆和杂质相镶嵌在氮化硼层状基质中。
13. The physical properties of wheat grain bulk with different impurity types and contents were analyzed.
    对含有不同杂质类型和含量的小麦粮堆物理特性指标进行了测定。
14. In this study, through the impurity distribution, organization and resistivity analysis, it evaluates the directional solidification purification effect on the polysilicon in the round.
    本实验通过对提纯后硅铸锭的杂质分布、组织及电阻率分析，系统评价了定向凝固方法对多晶硅提纯效果。
15. If they occur, the Pharmacopeial and NDA impurity limits and rationale should be reviewed;
    如果发生变化，应检查药典和NDA杂质限定和原理；
16. Alunite is a harmful impurity which is difficult to remove from kaolinite, and so is kaolinite in alunite ore.
    明矾石是高岭土中难以除去的有害杂质，高岭石也是明矾石矿石中的有害杂质。
17. The oxygen react vigorously with the impurity in the iron.
    氧气与铁中的杂质发生剧烈的化学反应。
18. The impurity profile is normally dependent upon the production process and origin of the API.
    杂质概况一般与原料药的生产工艺和起源有关。
19. Influence of Impurity on Surface Morphology and Growth Kinetics of a Lysozyme Crystal
    杂质对溶菌酶晶体表面形貌和生长动力学的影响
20. The picture of the lattice vibration mode for one-dimensional monatomic chain induced by an interstitial impurity is studied mainly.
    主要研究了一维单原子链中间隙式杂质引起的晶格振动图像，分析了杂质质量和恢复力系数对振动模的影响。
21. Removing process of light and soft impurity that is medium and low density is introduced.
    介绍了煤中低密度轻软杂质清除的工艺过程。
22. There is an impurity in your product.
    你的产品中有杂质。
23. The effect of HCl, an impurity in flue gas, on the activity of the catalysts was evaluated.
    并考察了烟气中可能杂质氯化氢对催化活性的影响。
24. This gaseous impurity is able to bring about metal corrosion and contaminating.
    这些气相杂质的存在会造成金属材料腐蚀，并污染环境。
25. The size-dependent effect of energy and binding energy of hydrogen-like donor impurity quantum ring are calculated with B-spline technique.
    利用B样条技术计算类氢施主杂质量子环能级和束缚能的量子尺寸效应。
26. When the process parameters are not appropriate, the oxide and impurity congregate between the layered microstructures.
    当工艺参数不恰当时，该区域层间易产生氧化物和杂质物的富集。
27. The oxidizing roast of high impurity ferromolybdenum was studied by using rotary kiln.
    采用回转窑加热的方法对高杂质钼铁（合金）氧化焙烧进行了研究。
28. And the thin impurity particles are avoided when large current continuously attacks the deposits in the filter.
    并且避免了力道较大的水流持续直接地冲击过滤件内的沉淀而形成细小的杂质颗粒；

noun

1. the condition of being impure

   Synonym:    impureness

2. worthless or dangerous material that should be removed
   1. there were impurities in the water

   Synonym:    dross