1) the recovered and classified standard
回收分类标准
2) standard recovery
标准回收
1.
With the application of the uniform experimental design method, the best coloured conditions were selected, stand ard curves were drawn, and standard recovery tests conducted.
研究了锆和铪的二甲酚橙络合物的吸收光谱，结果表明：对于Ｚｒ－ＸＯ，λｍａｘ＝５５０ｎｍ；对于Ｈｆ－ＸＯ，λｍａｘ＝５４６ｎｍ应用均匀设计试验选择最佳显色条件，作了标准曲线和标准回收试验，结果锆的回收率为９９。
4) classification standard
分类标准
1.
The contrast of new and old classification standards of mineral resources/reserves;
矿产资源/储量新旧分类标准对比
2.
Discussion on new classification standard of mineral resources / reserves to the significance of developing mining industry in our country;
浅论新的矿产资源/储量分类标准对我国矿业发展的重要意义
3.
Quantitative study and classification standards of difficult mining coal seam;
难采煤层的分类标准与定量化研究
5) classification
[英][,klæsɪfɪ'keɪʃn] [美]['klæsəfə'keʃən]
分类标准
1.
Discussion on the new WHO classification of visual impairment;
对新的WHO视力损害分类标准的探讨
2.
Research on Classification for Urban Parking Lots of Public Buildings;
城市配建停车场公共建筑物分类标准研究
3.
Studies on the classification of Hemerocallis hybridus cultivars;
大花萱草品种分类标准初探
补充资料：德国国家标准(见德国标准化学会、德国标准体系)
德国国家标准(见德国标准化学会、德国标准体系)
National Standards of Germany: see Deutsches Institut für Normung, DIN;standards system of Germany
Oeguo Guol心日icozhun德国国家标准(Natio.吐S加Ln山切曲of Gen”旧ny)见德国标准化学会;德国标准体系。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条