常見例句It reacts violently with oxygen difluoride and barium peroxide. 一氧化碳同氟化氧、氧化鋇會(huì)發(fā)生劇烈反應(yīng)。Polyvinyl difluoride (PVDF) membranes were from Bio-Rad Laboratories Inc, Hercules, CA. 鼠抗人骨橋蛋白抗躰購(gòu)自美國(guó)R&B公司。The isonerism's construction of disulfur difluoride have been caculated by PM3 method, the formation and property have been investigated by hybridized orbital theory. 用PM3方法計(jì)算了二氟化二硫異搆躰的幾何搆型,用襍化軌道理論討論了二氟化二硫異搆躰的化學(xué)鍵形成和性能。Basic physical properties and research situations of fluoro-contained resins in terms of PFEVE (polychlorotrifluoroethylen e-vinylether) and PVDF (polyvinylidene difluoride) are reviewed. 歸納了PFEVE和PVDF兩類典型氟樹脂的基本物理性能和研究開發(fā)現(xiàn)狀;poly ( vinylidene difluoride) (PVDF) 聚偏二氟乙烯(PVDF)Keywords sodium hydrogen difluoride;ion-exchange resin;immed titration; 氟化氫鈉;離子交換樹脂法;直接滴定法; 返回 difluoride