1) background
[英]['bækɡraʊnd] [美]['bæk'graund]
本底
1.
Radioactivity background of soil environment and status investigation in Daqing region;
大庆地区土壤环境放射性本底及现状水平调查与评价
2.
The significance of single background quality control chart in monitoring long-term stability of the thyroid function equipment;
本底个值质控图对甲功仪长期稳定性监控的意义
3.
Developing a system for measuring coincidence Doppler broadening spectrum of positron annihilation radiation with very low background;
低本底符合正电子湮没辐射多普勒展宽装置的研制
2) master copy
底本
1.
The Lower Limit of the Formation of Shu Master Copy maybe Was 50Years for the Qianlong
舒本的底本形成的时间下限可为乾隆五十年
2.
By comparing the unearthed remaining volumes of Annotation of Materia Medica with New Materia Medica, the author has found that the master copy of Annotation of Materia Medica is different from other versions.
《本草经集注》原有三卷本和七卷本两种,《新修本草》是以七卷本为底本修撰的。
3.
The sorted-out master copy of Collected Works of Yang Sichang is the hereditary old copy of Collected Works of Mr.
《杨嗣昌集》的整理底本为传世的旧钞本《杨文弱先生集》,它形成于清康熙中后期,凝聚了杨家祖孙三代的心血。
3) peak-to-background ratio
峰底本底比
4) Background value
本底值
1.
Investigation of background value of some indexes in flour;
小麦粉多项指标本底值的调查研究
2.
The background value of concentration of the petroleum hydrocarbons in mollusc along the coast has been calculated.
在1990-07—1991-12期间,监测了黄渤海沿岸经济贝类体内的污染物残留量,计算了沿岸软体动物体内石油烃含量的本底值为3。
5) background constituents
本底成分
1.
The effect of background constituents on the degradation of 2,4-D in aqueous solution by O3/H2O2 process;
水中本底成分对O_3/H_2O_2氧化降解2,4-D的影响
2.
Effect of background constituents on the catalytic ozonation of nitrobenzene was investigated.
考察了水中本底成分对催化臭氧化分解水中微量硝基苯的影响规律。
6) baseline OC/EC
OC/EC本底
补充资料：本底
1.根底，素质。
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