extraction

英 [ɪkˈstrækʃn]

美 [ɪkˈstrækʃn]

n.  提取; 提炼; 拔出; 开采; 有…血统; 族裔; 拔牙

复数：extractions　

CET6TEM8化学

BNC.7879 / COCA.10457

牛津词典

noun

• 提取；提炼；拔出；开采
  the act or process of removing or obtaining sth from sth else
  1. oil/mineral/coal, etc. extraction
     石油、矿物、煤等的开采
  2. the extraction of salt from the sea
     从海水中提取盐
• 有…血统；族裔
  having a particular family origin
  1. an American of Hungarian extraction
     匈牙利血统的美国人
• 拔牙
  the removal of a tooth

柯林斯词典

• N-UNCOUNT 血统;家世
  If you say, for example, that someone isofFrenchextraction, you mean that they or their family originally came from France.
  1. Her real father was of Italian extraction...
     她的亲生父亲是意大利裔。
  2. He married a young lady of Indian extraction.
     他娶了一位年轻的印度裔女子。

英英释义

noun

• the action of taking out something (especially using effort or force)
  1. the dentist gave her a local anesthetic prior to the extraction
• properties attributable to your ancestry
  1. he comes from good origins
  Synonym:origindescent
• the process of obtaining something from a mixture or compound by chemical or physical or mechanical means

双语例句

• Extraction and aggregation RSS2.0 has only one recognized form: an document.
  提取和聚合RSS2.0只有一个可识别的形式：一个文档。
• In this work, propolis essential oil was obtained by steam distillation extraction and supercritical CO2 extraction, respectively.
  采用水蒸气蒸馏法和超临界二氧化碳萃取法获得了蜂胶挥发油。
• It may also be used for alcohol recycling and simple reflux extraction.
  并且也能回收酒精和简单的回流提取。
• Using this approach, you can simplify some of the data extraction requirements for your views and supporting applications.
  使用这种方法，您可以为您的视图和支持的应用程序简化一些数据提取要求。
• Methods The effects of extraction particle size was studied by determining the gardenoside content in the extract by HPLC.
  方法以HPLC法测定不同粉碎粒度样品中栀子苷的含量为指标，比较了粉碎粒度对栀子苷提取率的影响。
• Orthogonal experiments were used to find the optimal extraction process of andrographolide by microwave and ultrasonic assisted extraction.
  用正交法对微波和超声波辅助提取穿心莲内酯的工艺条件进行优化。
• A study is made of separation of zinc from iron in waste sulfuric acid pickle liquor by solvent extraction.
  对溶剂萃取分离镀锌酸洗废液中的锌、铁进行了研究。
• The research and application of microwave extraction in recent years are reviewed.
  对近几年微波萃取法的研究进展及其应用进行了综述。
• Extraction and peppery removal of paprika oleoresin were studied.
  对辣椒红色素的提取及除辣进行了较为详尽的研究。
• In this study, ultrasonic-assisted extraction of ursolic acid from loquat leaves was systematically investigated.
  对超声波辅助提取枇杷叶中的熊果酸进行较为系统的研究。