背景值,background value
1)background value背景值
1.Oil-gas abnormal identification under the condition of high total hydrocarbon background value;高全烃背景值下油气异常显示识别
2.Research on precipitation background value and definition of acid rain;降水背景值与酸雨定义研究
3.Application of Cs-137 to monitoring background value of soil and water loss in Zhejiang;Cs-137在浙江省水土流失背景值监测中的应用
英文短句/例句

1.ECOLOGICAL BACKGROUND STUDY OF SOIL PROTOZOA TIANMU MOUNTAINS天目山土壤原生动物生态背景值研究
2.Vegetation Background and Succession Rule in Northwest China;西北地区植被背景值及演替规律研究
3.Study on Soil Element Background Values of Dahurian Larch Forest;兴安落叶松林土壤元素背景值的研究
4.The Optimization of Background Value in Non-Equidistant GM(1,1) Model;非等间距GM(1,1)模型背景值的优化
5.The study of selection for GM(1,1) background valuel;GM(1,1)模型背景值选取的探讨
6.Research on the Background Value of the Agricultural Product Base without Environmental Pollution in Suining;遂宁市无公害农产品基地背景值研究
7.Survey on Soil Background Value of 5 Traditional Chinese Medicinal Herbs from Xinjiang Origin5种中药新疆原生地土壤背景值调查
8.Study on Reference ~(137)Cs Inventory of Jurong Region in Jiangsu Province江苏省句容地区~(137)Cs背景值研究
9.SOIL ~(137)Cs BACKGROUND VALUES IN MONSOON REGION OF CHINA中国季风区土壤~(137)Cs背景值研究
10.Optimization Integrated Background Value for New GM(1,1) Model对背景值优化的新GM(1,1)模型
11.Study on Soil Background Value and Reference Value in Henan Section of Yellow River黄河流域河南段土壤背景值与基准值研究
12.Incomplete Formal Context and Knowledge Acquisition on Many-valued Context;不完备形式背景及多值背景上的知识获取
13.The value collision and value integration under the pluralism;多元化背景下的价值冲突与价值整合
14.The Development of Individual Moral Rationality in the Multiple-value Society;多元价值背景下个体道德理性的塑造
15.Research on Information Organization of Value Chain Based on the Background of Modularity;模块化背景下价值链的信息组织研究
16.The Scientific Cultural Background and Value of Moism Resurgence;墨学复兴的科学文化背景与时代价值
17.Value Orientation Of China’s Anti-monopoly Law under WTO Background;WTO背景下中国反垄断法的价值取向
18.Seek Outlook on Value of Cultural Conflicts under Globalization Background;全球化背景下文化冲突的价值观探寻
相关短句/例句

background[英]['b?kɡra?nd][美]['b?k'graund]背景值
1.Usually there is a big error between the actual and the noise background value.在工业企业厂界噪声实际监测中,对于差值小于3和不为整数时按照GB/T12349-90《工业企业厂界噪声测量方法》进行噪声背景值修正,常会与实际值产生较大误差。
2.The geographic differential characteristics of the background of lead in soil in China has been studied based on the analysis of lead in soil of various cities.本文通过对我国城市地区土壤铅背景值的分析,研究了我国土壤铅背景值的地理分异特征,并对其成因进行了探
3.The contents of 17 nutritive elements,such as P,S,K,were measured using the ICPAES for 422 samples of soil collected in 0—35 cm surface layer in 72 counties or sections,Sichuan to study the characters of the background of nutrition elements.采用单道扫描等离子发射光谱仪(ICP-AES)对四川茶区72个产茶县422个取样点0—35 cm土层中P、S、K等17种营养元素含量进行测定,分析了该地区茶园土壤的无机营养元素背景值特征。
3)background values背景值
1.The background values of those elements were determined through the (proper) process of mathematical statistics.分析了黄海和东海陆架浅海区域表层沉积物中有机碳、硫化物、油类、Cu、Zn、Pb、Cd、Hg、Cr、As、总氮、总磷的含量,通过对数据进行适当的数理统计处理,计算出了黄海和东海陆架区各化学要素的背景值
2.Background values of some trace elements of some from our country.本文讨论了有关:1)痕量元素地球化学背景值;2)痕量元素地球化学表征;及3)我国某些地区若干痕量元素的背景值
3.in this paper,the background values of fourteen chemical elemets in oranges produced in Sichuan province and the elements contents in rind, pulp and seeds of the oranges are reported.本文报导四川产广柑中14种化学元素背景值
4)background level背景值
1.Environmental background levels of trace elements in major soil categories in Zhejiang Province;浙江省主要类型土壤中元素的环境背景值
2.Data,after statistical analysis,showed that background levels were 0.在浙江食用菌生产基地、超市和农贸市场实地抽样检测,对数据进行统计分析,提出浙江省食用菌重金属背景值
5)137 Cs reference inventory137Cs背景值
1.Therefore the value of 137 Cs reference inventory of the Gonghe Basin is calculated to be ( 2 691.通过对高寒草原背景值样点(RS7)的分析,将共和盆地的137Cs背景值含量确定为(2691。
6)single-valued context单值背景
延伸阅读

环境背景值监测分子式:CAS号:性质:指对某一地区各环境要素(大气、水体、土壤、生物等)在未受污染情况下的化学物质正常含量范围的测定。应在未受人类活动直接影响、远离污染源、远离已污染区域的地方采集样品,采样点的布设和采样方法要保证样品具有充分的代表性。