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- high purity sulfuric acid 高纯硫酸
- Supply High Purity Germanium Bracelet. 供应高纯锗手链。
- Most sulfuric acid is made by the contact process. 大多数的硫酸是用接触法制造的。
- 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。
- Chlorination is carried out with Nhaloamines and sulfuric acid. 氯化是用N-卤胺和硫酸。
- 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。
- 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?
- A substance, such as sulfuric acid, that removes water. 脱水物质脱去水分的一种物质,如硫酸
- 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。
- A corrosive solution of sulfur trioxide in sulfuric acid. 发烟硫酸含三氧化硫酸的一种腐蚀性溶液
- 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。
- Conclusion:The sulfuric acid anthrone method is reasonable. 结论:该法可作为桑叶中多糖的含量测定方法。
- 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?
- 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。