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

• This paper described the function of Ganoderma polysaccharides and introduced its extraction, structural effection function and application.
  对灵芝多糖的功能进行了详细阐述，并简单介绍了灵芝多糖的提取工艺、功效关系及其应用。
• The extraction process of lycopene with tomato skin as raw material has been studied.
  以番茄皮为原料，对其中番茄红素的提取工艺进行了研究。
• The proposed off-line handwritten Chinese character recognition system was composed of a feature extraction module and a recognition module.
  提出的脱机手写体汉字识别系统主要研究特征提取和分类识别两个模块。
• 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。
• Such extraction modifies the whole cell-membrance network throughout the wool fiber.
  这种萃取改变了整个毛纤维中所有细胞膜的网状结构。
• 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。
• A new method of3D facial feature extraction based on curvature information is proposed in this paper.
  提出了一种基于曲率信息的三维人脸面部特征提取方法。
• Establish the quality standard of extraction, and stipulate corresponding quality index.
  建立了提取物的质量标准，规定了相应的质量指标。
• 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。
• 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。