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- Fatty oils(38.97%)from linseed were obtained by chemical extraction. 用化学萃取法获得亚麻子油，得油率38.;97%25。
- Methods of the removal of naphthenic acid are chemical extraction, solvent extraction absorption, and so on. 脱除环烷酸的方法一般可有化学萃取、溶剂萃取、吸收等。
- The extraction solvent of chemical extraction had pois on which could cause some pollution and toxicity. 化学萃取法的提取溶剂有毒，会造成一定的污染和毒害。
- Abstract: The bioavailability of heavy metals (HM) in soils and sediments could be evaluated by single chemical extraction methods. 中文摘要: 土壤和沉积物中重金属被植物吸收利用可通过单一化学萃取方法评估。
- The sequential chemical extraction (SCE) method is used to study the chemical states of heavy metals in industry waste slag in this paper. 介绍了一种分析测定工业废渣中重金属的化学形态的方法:连续化学萃取法。
- The affecting farctors have been examined in the research on the recovery of dye intermediates from waste Tobias acid mother liquid by a chemical extraction process. 研究了用化学萃取法回收吐氏酸废母液中染料中间体的多种影响因素。
- The mechanism of phosphorus mobilization from acidic forest soils under Chinese fir and masson pine by low molecular weight (LMW) organic acid has also been studied with chemical extraction and soil inorganic phosphorus fractionation methods. 并用化学浸提和无机磷分级等方法模拟研究了有机酸对马尾松林和杉木林下酸性森林土壤难溶性磷的活化机制和效果。
- A reactor is a container for chemical reaction. 反应器是进行化学反应的容器。
- The chemical symbol for copper is "Cu". 铜的化学符号是Cu。
- We are doing a chemical experiment. 我们正在做化学实验。
- We do not recommend taking vitamins as they are toxic due to how they are chemically extracted. 我们并不建议吃维他命补充剂，它们因化学萃取的方式而有毒。
- My major is the subject of chemical engineering. 我的专业是化学工程学。
- Ammonia is a chemical substance. 氨是种化学物质。
- Researchers said that chemicals extracted from coffee and pumped into the air may on day be used as a way of reviving tired people. 研究者说从咖啡中萃取的药物然后使之在白天散播在空气是一种让疲劳的人们提神的一种方式。
- A chemical derived from petroleum or natural gas. 石油化学制品从石油或天然气中提炼出的化学产品
- Beware how you handle the toxic chemical. 小心处理有毒的化学药品。
- The chemical can behave as an acid. 这种化学制品能起酸的作用。
- Some chemical compounds can be resolved by heat. 一些化学化合物可以通过加热分解。
- I am not familiar with chemical terms. 我不熟悉化学术语。
- He devoted his life to chemical research. 他一生从事化学研究。
