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- Keywords high purity dimeric acid;polyurethane curing agent;molecular distillation;cleaner production;sustainable development; 高纯二聚酸;聚氨酯固化剂;分子蒸馏;清洁生产;可持续发展;
- high purity dimeric acid 高纯二聚酸
- Supply High Purity Germanium Bracelet. 供应高纯锗手链。
- This glittering green emerald is of high purity. 这个翡翠绿莹莹的，成色极好！
- The high purity amidinothiourea phosphate(P800) was reacted with the dicyanodiamide and phosphoric acid. 利用双氰胺和磷酸反应得到高纯度脒基脲磷酸盐P800。
- The high purity amidinothiourea phosphate (P800) was reacted with the dicyanodiamide and phosphoric acid. 摘要利用双氰胺和磷酸反应得到高纯度脒基脲磷酸盐P800。
- Objective To establish a extraction method of high purity ferulic acid in Ligusticum chuanxiong Hort. 目的建立提取川芎中高纯度阿魏酸的方法。
- A new process of extracting high purity naphthenic acid directly from alkaline mud with solvent was introduced. 介绍了一种利用溶剂萃取法直接从碱渣中提取高纯度环烷酸新工艺。
- By the method,gallic acid could be obtained at a high purity of 97% just through two step chromatography. 经过一次逆流色谱分离,可以得到纯度在70%25以上的没食子酸,第二次分离即可使其纯度达到97%25以上。
- Why do we need High Purity Water for cleaning and rinsing? 为什么要用超纯水作清洗和冲洗？
- Lampshade is in extrusion forming with high purity aluminum. 灯罩采用高纯度铝材挤压成型,反光效率高,不会脱色;
- The EDX spectrum shows that the nano-zinc sulfide has high purity. EDX能谱表明该法制备的纳米硫化锌具有较高的纯度。
- Brilliant cresyl Blue, high purity biological stai... 亮甲酚蓝/灿烂甲酚蓝/煌焦油蓝；
- High purity theanine could be produced through re-cryst... 通过重结晶可得到纯度90%25的茶氨酸;得率为0.;8%25。
- Usually PTC Ceramics was made from high purity materials. 制备高性能PTC热敏陶瓷电阻,一般采用高纯度原料。
- Why is high purity polycrystalline silicon necessary? 为啥多晶硅需要高纯度？
- The synthesis of dimer acid and the industrial applications of its derivates are summa-rized. 综述了二聚酸的合成方法及其衍生物的工业应用。
- Objective: To isolate and purify high purity 23-hydroxybetulinic acid from the roots of Pulsatilla chinensis. 目的:研究中药白头翁中对照品23-羟基白桦酸的制备方法。
- Such as rose oil, red pepper colorant, high-purity dimeric acid,fish oil ethylester,and extraction of wheat-germ oil,etc. 如玫瑰油、辣椒红色素、高纯二聚酸、鱼油乙酯提纯和小麦胚芽油提取等,并对其在日化工业中的应用前景进行了论述。
- High purity dehydroabietic acid was prepared from disproportionated rosin by means of fractional acidification. 以歧化松香为原料,采用树脂酸逐级酸化分离的方法制备高纯度脱氢枞酸。
