Calixarene is a kind of respecting host macrocyclic compound followed cyclodextrin and crown ether, and has strong ability of selective extraction of metal ions.
杯芳烃作为继环糊精、冠醚之后的第三代大环类主体化合物，对金属离子具有较强的选择性萃取作用。
Supercritical Fluid Extraction is a highly effective and selective sample separation technique and has been widely used in industrial production, environmental analysis and analytical chemistry.
超临界流体萃取是一种高效率选择性样品分离技术，已被广泛应用在工业生产、环境检测和分析化学等领域。
On the basis of the complex reaction of dibenzyl sulfide with palladium, a high selective method of solid phase extraction for the adsorption of palladium was developed.
基于二苄基硫醚与钯的配合反应，建立了一种高选择性固相萃取吸附钯的方法。
A limitation of the yield, selective harvesting, long maceration periods, leading to the extraction of the best tannins and rigorous blending techniques, enables us to obtain superb quality wines.
限制产量、采收挑选、长时间浸泡使能够萃取最佳的丹宁，以及严格的调配成就高品质的红葡萄酒。
A limitation of the yield, selective harvesting, long maceration periods, leading to the extraction of the best tannins and rigorous blending techniques, enables us to obtain superb quality wines.
限制产量、采收挑选、长时间浸泡使能够萃取最佳的丹宁，以及严格的调配成就高品质的红葡萄酒。
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