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

• 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。
• Author has introduced the technical features and the present technical progress of purification process of low temperature methanol washing;
  介绍了低温甲醇洗净化工艺的技术特点和近期技术进展；
• The process technology, ACE inhibitory activity and purification of ACE inhibitory peptide of vinegar-egg were studied.
  本实验对醋蛋的浸泡工艺、ACE抑制活性和ACE抑制肽的分离进行了初步研究。
• Sodium chloride and hydrochloric acid are often used to regenerate spent ion exchange resins used in water purification.
  氯化钠和盐酸常用来再生水净化中用的废的离子交换树脂。
• Purification of middle and high viscosity of waste oils from compressor was studied.
  对中、高粘度废压缩机油的净化进行了研究。
• Study on the Extraction and Purification Processing of Total Flavones in Onionskin;
  本文对洋葱皮萃取物中黄酮类化合物的成分及含量进行了分析研究。
• Production, purification, properties, structural basis and applications of acid-stable xylanase were reviewed.
  综述了酸性木聚糖酶的产生、纯化和性质、结构基础及应用。
• 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。
• 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；
• 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；