1)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。
英文短句/例句
1.The Background Value of Chlordimeform and Its Metabolites in Urine of General Population正常人尿中杀虫脒及其代谢产物的本底值
2.At the surface, radioactivity of the conglomerates is locally as high as 30 X background.在地表,砾岩的局部地段的放射性高达30倍本底值。
3.Study on the Background Level of Soil Nutrients and Mechanism of Fertilizing Soil in Degenerative Mountains of Hebei;河北省退化山场土壤养分本底值及培肥机理研究
4.It is believed that such a level is of no significance to human health having regard to natural background levels.令人信服的是,考虑到自然本底值,这样小的放射水平对人体健康是无关紧要的。
5.The edition of Jia Qing was also mill block-printed,based on edition of Song Dynasty,and taking Kang Xi as reference,was rather valuable.嘉庆本也为民间坊刻,以宋本为底本,并参校康熙本,具有较高的价值。
6.Analysis on the hearing threshold value of normal hearing people under different background noises健听人在不同本底噪声环境中的听阈值分析
7.It is a trivial grammar school text, but yet worthy a wise man's consideration.这虽是小学读本中一段滥熟的故事,然而值得明哲之士底思索。
8.Building the Common Spiritual Home Based on the Value Perspective of Putting People First以人为本:中华民族共有精神家园建设的价值底蕴
9.Testing Background Value Requirement of Formaldehyde Released from Plank Stuff to the Air by Environmental Test Chamber Method环境测试舱法检测板材对空气中甲醛本底限值要求的探讨
10.Returns the logarithm (base-specified) of a value.返回某个值(以指定底为底)的对数。
11.This tester is used to determine the isolation character of the shoe material.本机在测试鞋底或绝缘鞋材所能承受的电压值,以了解其耐电压程度。
12.Normal hearing people's hearing threshold value under different background noises had significant difference.统计结果显示,不同本底噪声环境中,健听人的听阈值具有显著性差异。
13.At yearend our Texaco bonds were carried on our books at $104 million and had a market value of $119 million.截至年底Texaco债券在我们帐面上的成本约为一亿美元,目前的市值则约为1.2亿美元。
14.capitalized value资本还原值,资本化价值
15.Low background alpha measuring instrumentGB/T11682-1989低本底α测量仪
16.automatic background-correcting spectrometer自动本底校正光谱仪
17.low background pulse counting assembly低本底脉冲计数装置
18.background atmosphere composition network本底大气成分监测网
相关短句/例句
137Cs reference inventory137Cs本底值
1.Acquiring the 137Cs reference inventory values is the first step for using 137Cs technique to estimate rates of soil erosion and sediment deposition.本文利用Walling和He的137Cs本底值计算模型和软件对中国137Cs本底值区域分布进行了模拟计算。
3)linearity bias本底值bias
4)apparent background value of phosphorus表观本底值
5)environmental original value环境本底值
1.The environmental original value,the environmental background value and the environmental baseline value are used frequently in the teaching,the scientific research and the work of the environmental quality evaluation.该文对环境质量评价中经常使用而又容易混淆 ,且在许多刊物及专著上又极为不统一的环境本底值、背景值和基线值这三个概念进行了详细的描述和归纳 ,指出了三者的异同点及区别处 ,从而为生产、科研和教学使用提供了方便。
6)Lesion/Background ratios靶/本底比值
延伸阅读
水质本底值(baekgroundvalueofwaterquallity)亦称%26ldquo;自然背景值%26rdquo;。指水体尚未受到明显和直接污染的水质成分、含量和状况。反映水体水质在自然界存在和发展的过程中,原有的成分和特征,亦即原始状态,是水体污染的对照值。水体附近兴建工程前进行水环境影响评价时,常需进行水体水质本底值调查,以作为兴建工程后水质受影响的对比标准。
