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

  1. VERB 使纯净;净化
    If you purify a 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。

双语例句

  1. 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
  2. High-quality cellulose can be obtained from wood through pulping and subsequent purification.
    高质量纤维素可通过木头成浆和后续提纯。
  3. If you are unsure about the purity of the water you have collected then use a water purification method.
    如果你对收集到的水的纯度不放心,可以采用一些方法对水进行净化。
  4. 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;
  5. The purification of lac red pigment using macroporous absorption resin was investigated in this paper.
    研究大孔吸附树脂吸附精制紫胶红色素的工艺。
  6. 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;
  7. 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。
  8. 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。
  9. A simple purification method for crude tea saponin was described.
    对粗茶皂素的提取纯化工艺进行了研究。
  10. 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。
  11. Cloning, expression, purification and functional study of human EGF in E.coli.
    克隆、表达、纯化和人表皮生长因子在大肠杆菌中的功能研究。
  12. Isolation and purification of cichoric acid from extracts of Echinacea purpurea by polyamide column chromatography;
    目的采用聚酰胺柱色谱分离纯化紫锥菊提取物中菊苣酸。
  13. 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。
  14. 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。
  15. 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。
  16. 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。
  17. Separation and purification of Human-like collagen I ( HCB I) and its functional properties were researched in this paper.
    本文对类人胶原蛋白I(HCBI)的分离纯化及其功能特性进行了研究。
  18. 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
  19. Water-soluble polysaccharide was isolated and purified from Artemisia anomal using techniques of extraction precipiation, and purification.
    对奇蒿的水溶性多糖成分进行了分离提取及成分分析。
  20. Extraction, isolation, purification and functional properties of Tremella polysaccharides were studied in the paper.
    本实验研究了银耳多糖的提取、分离、纯化及其功能性质。
  21. Study on purification and characterization of plant-esterase for detecting the residues of organophosphate pesticides;
    本研究基于酶法分析中的酶抑制原理,对农药残留检测用植物酯酶制剂进行研究。
  22. 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;
  23. Purification process and attentions are introduced.
    介绍了清洗的过程和注意事项。
  24. 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。
  25. 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。
  26. The purification conditions of photosynthetic bacteria on farming water were studied.
    本文报道了光合细菌净化水质条件的研究结果。
  27. 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。
  28. 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。
  29. The new technology for ammonia distillation in coke oven gas purification system and its characteristics are introduced.
    介绍了焦炉煤气净化系统蒸氨新工艺技术及其特点。
  30. This paper mainly summarizes the recent progresses in the medicinal function and separation and purification technology of alkaloids.
    本文主要对药用生物碱的应用及其分离纯化技术研究进展进行综述。

英英释义

noun

  1. the act of purging of sin or guilt
    1. purification through repentance

  2. a ceremonial cleansing from defilement or uncleanness by the performance of appropriate rites

      Synonym:    purgation

    1. the act of cleaning by getting rid of impurities

      1. the process of removing impurities (as from oil or metals or sugar etc.)

          Synonym:    refiningrefinement