常見例句雙語例句With certain addition agent in a polar organic solvent, the crystal linear HMW PPS was synthesised from sodium sulfide and p-dichlorobenzene.以硫化鈉、對二氯苯為原料，加入一定量的助劑，在極性有機溶劑中進行常壓聚合反應(yīng)，得到線型的、結(jié)晶性的高分子量聚苯硫醚。With the methods like dispersing KF on inert carriers, dispersing by slow distillation of its solution in polar organic solvent, freeze-drying and spry-drying, etc. are feasible .指出KF氟化劑主要著重于提高比表面積，通過附載于惰性載體上、有機溶液的緩慢蒸發(fā)分散、 冷凍干燥和噴霧干燥等多種方法可以達到這個效果。The separation technique of solvent extraction based on reversible chemical complexation features high capacity and high selectivity for separating polar organic solutes from dilute solution.絡(luò)合萃取技術(shù)對于極性有機物稀溶液的分離具有高效性和高選擇性。 返回 polar organic solvent