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- Study on the determination of trace silicon in high purity copper cathode by GFAAS 石墨炉原子吸收光谱法测定高纯阴极铜中痕量硅的研究
- Standard Test Method for Trace Metallic Impurities in High Purity Copper by High-Mass-Resolution Glow Discharge Mass Spectrometer 用高质量分辨率辉光放电质谱仪对高纯度铜中痕量金属杂质的试验方法
- high purity copper 高纯铜
- Higher purity copper cathode-Determination of selenium and tellurium contents-Catalytic oscillopolarographic method GB/T13293.;1-1991高纯阴极铜化学分析方法催化示波极谱法测定硒、碲量
- 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!
- Determination of Arsenic, Antimony, Bismuth, Selenium, Tellurium in Higher Purity Copper Cathode by Hydride Generation-Atomic Fluorescence Spectrometry 氢化物发生-无色散原子荧光光谱法测定高纯阴极铜中砷、锑、铋、硒和碲
- 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?
- Direct Determination of Impurity Elements in High Purity Coppers by Multicomponent Spectral Fitting-Inductively Coupled Plasma-Atomic emission Spectrometry 多组分谱图拟合等离子体发射光谱法直接测定高纯铜中杂质元素
- Special bio-ferment technology assure high purity and good biocompatibility. 特有的生物发酵提取技术确保产品的高纯度和良好的生物相容性。
- DETERMINATION OF CHLORINE IN HIGH PURITY MANGANESE CARBONATE BY ISE METHOD. 离子选择电极法测定高纯碳酸锰中的氯。
- STUDY ON THE PREPARATION OF HIGH PURITY IRON OXIDE RED FROM MAGNETITE. 磁铁矿制高纯氧化铁红的研究
- The several pearl-like stones are of high purity and can fetch a high price. 这几粒琅玕的成色很好,可以卖个好价钱。
- It has characteristics of chemical inertness, high-whiteness, high purity and equal particle size. 具有粒度分布均匀,化学性能稳定,色白、质纯特点。