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- chromatographic grade solvent 层析级溶剂
- A evaluation method for the performances and quality of chromatographic grade acetonitrile with ultraviolet spectrophotometry and high performance liquid chromatography is presented. 利用紫外分光光度计和高效液相色谱仪建立了色谱纯乙腈的性能和质量的评价方法。
- Evaluation of Performance and Quality of Chromatographic Grade Acetonitrile 色谱纯乙腈的性能和质量评价
- 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。
- MEK is a good solvent for high grade coatings. 甲乙酮(MEK)是高档涂料应用的优良溶剂。
- He's not in the first grade as a musician. 他不是第一流的音乐家。
- They need the money to stay solvent. 他们需要这笔钱来保持偿付能力。
- Business is now on the up grade. 目前生意蒸蒸日上。
- 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。
- 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。
- The twins will enter the fourth grade this fall. 这对双胞胎今年秋季将升到四年级。
- Their marriage is on the down grade. 他们的婚姻关系每况愈下。
- The hypothetical universal solvent once sought by alchemists. 万能溶剂炼金术士曾一度寻求的假想的万能溶剂
- The trial flight has made the grade. 试飞成功。
- The naughty boy had to repeat the fifth grade. 这个顽皮的男孩不得不重读五年级。
- He ranks among the best pupils of his grade. 他是他们班级最好的学生之一。
- A person who has achieved this grade. 特等射手取得这种等级的人
- The technique is known as adsorption chromatograph. 这种分析技术称为吸附色谱。