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- selective chemical extractants 选择性萃取剂
- Recent aptamer experiments have shown, that amino acids have indeed a selective chemical affinity for the base triplets that code for them1. 而另一个核苷酸的减少（或增加）则可以校正后 一核苷酸位置以后的码组，从而使表型恢复为野生型。
- It can be infered that the decoloration of azo dye molecules is the co-effect of the selective chemical absorption and the oxidation-deoxidation effect on the surface of iron oxyhydroxides. 由以上结果推论：两种偶氮染料的脱色是选择性的化学吸附与氧氢氧化铁界面的氧化还原降解共同作用的结果。
- 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。
- Selected chemical composition and new technical skill improve the quality of tensile strength, toughness, meltability of the steel. 严格挑选化学成份，经新技术特别提炼后，能提高钢材本质伸延性、韧性、及溶接性，不容易爆裂。
- 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。
- Through rationally selecting chemical composition and applying appropriate nodualarization agent and inoculation agentas-cast pearlite ductile iron of grade QT550-6 has been produced stably. 通过合理选择化学成分和选用合适的球化剂与孕育剂,稳定地生产出牌号为QT550-6的铸态珠光体球墨铸铁件。
- She helped to select a dress for Ruth. 她帮着给露丝选了一件衣裳。
- 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。
- She is selective in the dresses she wears. 她对于自己穿的衣服精挑细选。
- A reactor is a container for chemical reaction. 反应器是进行化学反应的容器。
- 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。
- 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。
- She only stays at select hotels. 她只住一流旅馆。
- 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。
