常見例句雙語例句During the development of resin duct, no, obvious change appears in the number and volume of resin droplets and starch grains in sheath cells.在樹脂道發(fā)育過程中,鞘細(xì)胞中樹脂滴和淀粉粒變化不明顯。Producing PVC resin by imported VCM is an important revolution of producing process. It can improve pro duct quality, decrease environmental pollution, reduce costs.以進(jìn)口氯乙烯單體(VCM)為原料生產(chǎn)PVC樹脂是PVC行業(yè)的重大的生產(chǎn)工藝變革方式,它能提高產(chǎn)品質(zhì)量,減少環(huán)境污染,降低產(chǎn)品成本。This article deals with the selective separation from solution system of multicomponent chlorides by means of D401 chelating ion-exchange resin (Chinese commercial pro- duct).本文以實(shí)驗(yàn)研究成果為基礎(chǔ),論述應(yīng)用國產(chǎn)D 401螯合型離子交換樹脂處理多組元氯化物溶液體系,分離提取貴重金屬銦。 返回 resin duct