purification

英 [ˌpjʊərɪfɪ'keɪʃ(ə)n]

美 [ˌpjʊrɪfə'keɪʃ(ə)n]

n.  提纯; 斋戒; 清洗; 净化(作用)

复数：purifications　

TOEFL化学

BNC.15744 / COCA.15434

柯林斯词典

• VERB 使纯净；净化
  If youpurifya substance, you make it pure by removing any harmful, dirty, or inferior substances from it.
  1. I take wheat and yeast tablets daily to purify the blood...
     我每天服用干酵母片以净化血液。
  2. Only purified water is used.
     只使用纯净水。

英英释义

noun

• the act of purging of sin or guilt
  1. purification through repentance
• a ceremonial cleansing from defilement or uncleanness by the performance of appropriate rites
  Synonym:purgation
• the act of cleaning by getting rid of impurities
• the process of removing impurities (as from oil or metals or sugar etc.)
  Synonym:refiningrefinement

双语例句

• Experimental study on the air cleaner's purification effect for indoor formaldehyde, ammonia and TVOC
  空气净化器对室内甲醛、氨气和tvoc净化效果的实验研究
• In this paper, the magnetite purification and two methods for obtaining ultrafine magnetite powder were introduced.
  介绍了磁铁矿的选矿提纯方法和获得磁铁矿超细粉的两种途径。
• The electric control system of the equipments for converter smoke purification and gas recovery is introduced.
  介绍了转炉烟气净化及回收设备的电气控制系统。
• This would not have been possible without high-throughput protein production and purification capabilities.
  这需要很高的蛋白产量和纯化能力。
• Problems and solutions of the separation and purification process development and industrial production process of fermentation drugs;
  发酵药物分离纯化工艺开发和工业生产过程中遇到的问题和解决方法；
• An experimental investigation on purification of BTEX waste gas was conducted in a biofilter packed with ceramic pellets.
  以陶粒为填料，对生物过滤塔降解BTEX的行为进行了研究。
• Studies on separation and purification crystallization of protein
  蛋白质分离纯化和蛋白质结晶的研究方法
• In industry organic waste gas purification and room air purification;
  工业有机废气净化和室内空气净化；
• Methods: Wash inclusion body effectivity, use Hydrophobic Interaction Chromatography to carry on the purification.
  方法：对包涵体进行有效洗涤，采用疏水层析进行纯化。
• The purification and assay methods for pectic enzymes are differed with various strains.
  由于不同菌种产生的果胶酶成分复杂程度不同，分离纯化手段和分析方法也不相同。