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1)  purity [英]['pjʊərəti]  [美]['pjurətɪ]
纯度
1.
Preparative Separation of High-purity Cellooligosaccharides by Polyacrylamide Gel Column;
聚丙烯酰胺凝胶柱分离制备高纯度纤维低聚糖的研究
2.
New techniques of refining high purity methyl acetate;
纯度醋酸甲酯精制新工艺
3.
Determination of Purity of Chlorotoluron by Differential Scanning Calorimetry;
差示扫描量热法测定除草剂绿麦隆的纯度
2)  purification [英][,pjurifi'keiʃən]  [美][,pjʊrəfə'keʃən]
纯度
1.
Separation and purification conditions of fructose monopalmitate that synthesized by immobilized lipase enzyme Novozym435 using mixed solvent were investigated.
结果表明,混合溶剂环己烷乙醇水萃取棕榈酸果糖单酯的纯度可达93。
2.
The separation and purification were carried out by using gel chromatography and high performance liquid chromatography .
通过高效液相色谱法对其纯度进行了分析,表明其为均一组分,进而应用凝胶法和高效液相色谱 电喷雾质谱法测得该茶多糖蛋白的相对分子质量为51500。
3.
In the case of measuring the contents of volatile phenols in water by using 4 - AAP spectrophotometry, the purification of 4 - AAP has great influence on the test results.
用4-氨基安替比林(4-AAP)分光光度法测定水中挥发酚类含量时,4-AAP药品纯度对试验结果的影响很大。
3)  pureness [英]['pjuənis]  [美]['pjʊrnɪs]
纯度
1.
By means of making a study of the relationship of particle size and pureness to the crystallization condition of stibium trioxide in production process over the ten particle size fractions of stibium trioxide products,the causes that given rise to the dependence of stibium trioxide pureness on the particle size were compared and analyzed.
通过对粗粒锑白等十种不同粒度级锑白产品在生产过程中的结晶条件与粒度、纯度的关系进行探讨后,对比分析了粒度与纯度关系的成因。
2.
The low pureness of parents and the inferior quality of seeds are two prime reasons which makes the low-grade quality of seeds produced by intercrossed maize.
亲本纯度低、制种质量差是造成玉米杂交种子质量低劣的两大根本原因。
4)  Purity gradient
纯度梯度
5)  luminance purity
亮度纯度
6)  colorimetric purity
照度纯度
补充资料:核纯度
分子式:
CAS号:

性质:为对用作核燃料的铀精制和转化厂的铀产品(如二氧化铀、金属铀、四氟化铀等)的纯度要求。基于各种杂质元素具有不同的核性质,对它们在工艺铀产品中的含量应有不同的要求。对一些热中子俘获截面较大的中子毒物,如硼、镉、铪等杂质元素,它们在铀产品中的含量应小于10-5%~10-6%;而另一些热中子俘获截面较小的杂质元素,如硅、铅、锆、磷、铝、钙、钠、铌、钾、钼、铁、铬、铜、镍、钒等,在铀产品中的含量低于10-3%~10-4%即可。

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