Two common methods of extraction are grinding individual samples with mortar and pestle , and mechanical mincing.

目前常见的提取方法有人工研磨和机械破碎两种方法。

youdao

The methods of extraction and purification, composition and pharmacological effects of tea polysaccharide is summarized.

综述了茶叶多糖的提取纯化方法、多糖组成及其药理作用。

youdao

The methods of extraction and purification, test, chemical composition, structure analysis of tea polysaccharide are summarized.

综述了茶多糖的提取纯化方法、纯度及测定方法、化学组成、结构分析方法。

youdao

Simon asserted the opposite: more people meant more brains meant better methods of extraction and lower usage per unit of production.

FORBES: But Why Did Julian Simon Win The Paul Ehrlich Bet?

In April 2012, a study by scientists at the US Geological Survey of the interior of the US found that events of magnitude 3 or greater had "abruptly increased in 2009" from 1.2 per year in the previous 50 years to more than 25 per year - although a number of gas and oil extraction methods may be implicated in the rise.

BBC: Oklahoma earthquake linked to oil extraction wastewater

This resource requires special extraction methods to get it out of the ground and into a form where it is fluid enough to travel down the pipelines for refining into gasoline and other hydrocarbon products.

FORBES: An Indian Consortium Shows Interest In ConocoPhillips' Alberta Oil Sands Assets