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- Europium oxide phosphor grade GB/T3504-1992荧光级氧化铕
- Use: Phosphor grade yttrium europium oxide is used as the material fir the production of three band RE fluorescent phosphors, CTV phosphors, computer display phosphors. 用途：用于制作灯用稀土荧光粉、彩色电视荧光粉、计算机显示器荧光粉。
- Yttrium oxide and europium oxide of phosphor grade--Determination of total rare earth oxide content--EDTA volumetric method GB/T8762.;1-1988荧光级氧化钇和氧化铕中稀土氧化物总量测定乙二胺四乙酸二钠容量法
- Yttrium-europium oxide--Determination of europium oxide content --Inductively coupled plasma atomic emission spectrographic method. 氧化钇铕化学分析方法电感藕合等离子体原子发射光谱法测定氧化。
- In this paper the preparation method of surperpurity europium oxide by zinc powder reduction extraction chromatography is expouned. 简述了采用锌粉还原萃取色层法制取超高纯氧化铕的工艺过程。
- We focused our investigation on the matrix effects, spectrum interference & background on the spectral lines of other rare earth elements in europium oxide matrix. 着重考察了铕基体对分析元素的基体效应，谱线干扰及背景影响等情况。
- Determining trace impurity element of the standard europium oxide by the standard addition method.So the errors owing to neglecting the impurity in the standard are eliminated. 用标准加入法测出氧化铕基准中的微量杂质元素，消除了由于忽略基准中的杂质元素的含量给分析测定带来的误差。
- The study was focused on matrix effects, spectrum interference and background of the spectral lines of other rare earth elements in europium oxide matrix, and the optimum condition was selected. 著重考察了铕基体对分析元素的基体效应，谱线干扰及背景影响等情况，同时对仪器的工作条件进行了优化。
- ceria and europium oxide solid solution 铈、铕氧化物固溶体
- Conclusion The zine oxide phosphorate base was a kind of effctive measure to prevent post-bleaching external cervical resorption. 结论磷酸锌水门汀基是防治内漂白后牙颈部外吸收的一种有效方法。
- Preparation and application of phosphor grade alumina with high purity 荧光级高纯氧化铝的制备和应用
- Pupils who pass the test will be promoted to the next higher grade. 小学生只要考试及格就会升到高年级。
- He's not in the first grade as a musician. 他不是第一流的音乐家。
- Business is now on the up grade. 目前生意蒸蒸日上。
- How can you get rid of this oxide coating? 你们该怎样除去这些氧化皮？
- Pupils with 90% or more are awarded Grade A. 满90分的学生评为甲等。
- The sixth grade saw an educational film yesterday. 六年级学生昨天看了一部教育片。
- A mixture of black manganese oxide minerals. 硬锰矿一种黑色氧化锰矿的混合物
- He received a failing grade on the term paper. 他的期末报告不及格。
- Red and yellow grade into orange. 红与黄混合成橘黄。
