1)indoor radon concentration室内氡浓度
1.According to the literature concerned in China,the indoor radon concentration has been increasing significantly during the past two decades and it seems to be increasing in tendency.通过对我国室内氡研究的相关文献资料进行的汇总和分析,表明近20年来我国室内氡浓度明显增高,并有继续增高的趋势,讨论了我国室内氡浓度控制标准及相关研究进展,并在此基础上提出了我国室内氡在环境毒理学、污染控制、标准体系方面研究的建议。
2.This article Select 33 indoor air sampling points, 46 soil sampling points for observation indoor radon migration mechanism, influencing factors, prediction and control measure of indoor radon hazards, drawing the following conclusions:(1) Jiaozuo city annual average indoor radon concentration is 62.(2)地质断层对室内氡浓度有一定影响,地质断层区域带室内平均氡浓度113。
3.Recent studies reveal that indoor radon concentrations have increased in some large and medium-sized cities in China, particularly in Shanghai.近些年的研究表明国内一些大中城市居室内氡浓度呈上升趋势,上海尤为明显。
英文短句/例句
1.Indoor Radon Concentrations and Radon Exhalation Rates of Building Materials in Shanghai上海市室内氡浓度水平与建材氡析出率的研究
2.Survey on Radon Level, Environment and Workers Health in Greenhouse in Lanzhou;温室内氡浓度及作业环境、作业人员健康状况调查
3.Uncertainties of radon concentration in a standard radon chamber标准氡室氡浓度不确定度评定方法探讨
4.Indoor Radon Concentration and Estimation of Exposure Dosage of a University in Nanjing;南京市某高校居室氡浓度与照射剂量估算
5.Analysis and modeling of statistical distributions of indoor radon concentration from data valorization to mapping and simulations are critical issues for real decision-making processes.本研究经由统计分析及模式化室内氡气浓度，使资料绘图及模拟作为真正决策时之依据。
6.Radon concentration in groundwater was measured at 18 points including two continuous recording stations.测量了包括两个连续记录台站在内共18个点的地下水的氡浓度。
7.The Investigation of Indoor Radon Levels and Evaluation of the Environmental Radon Quality in Foshan City;佛山楼房室内氡水平调查及氡环境质量评价
8.Initiation of a Countrywide Project on Relationship between Indoor Radon and Soil Radon全国室内氡-土壤氡关联性研究课题启动
9.Studies and Applies of Emendation on Soil Radon Concentration;土壤氡浓度测量校正方法研究及应用
10.Channel Set up for Measuring Radon Concentration by Static Collection Method静电收集法测量氡浓度的道设置方法
11.A new method of measuring indoor radioactivity of radon is presented by using the indoor fast-moving ball as the sample of a radioactive substance.给出了一种用室内快速运动的球体作为放射性样品测量室内氡射气辐射活度的新方法。
12.Design of Hygrothermal Control System in Medium-sized Multifunctional Radon Chamber中型多功能氡室温湿度控制系统设计
13.Uncertainty Evaluation of Determination for Benzene in Indoor Air室内环境苯浓度检测的不确定度分析
14.Study of Active Carbon Measuring Method for Indoor Radon and Radon Daughters活性炭盒法测量室内空气中氡及其氡子体的研究
15.STUDY ON RADON CONCENTRATION MONITORING USING ACTIVATED CHARCOAL CANISTERS IN HIGH HUMIDITY ENVIRONMENTS在高湿度环境下用活性炭盒测量氡浓度的研究
16.Research on the Relationship between the Soil Radon Density and Fault and Geotherm at the Foreland of Jixian Mountain,Tianjing蓟县山前土壤氡浓度与断裂和地热关系研究
17.Calculation of the limit of radon daughters concentration in the ventilation system design of uranium mines铀矿井采场氡子体α潜能浓度设计限值的确定
18.INVESTIGATION ON SOIL RADON CONCENTRATION LEVELS AND DISTRIBUTION IN URUMCHI乌鲁木齐市土壤中氡浓度水平及分布规律调查
相关短句/例句
indoor radon consistency居室氡浓度
1.High indoor radon consistency is deleterious to health of teachers and students.室内氡的浓度主要取决于通风条件,通风不良的居室氡浓度最高时可接近200 Bq。
3)Radon Concentration氡浓度
1.Variation rule of the radon concentration by season;土壤氡浓度随季节变化规律
2.The Temporal and Spatial Variations of Radon Concentration.;氡浓度的时间和空间变化特征
3.Radon concentration control system of radon chamber;氡室氡浓度调控系统的研究
4)Concentrations of Rn-222 and Rn-220氡、浓度
5)radon density氡(Rn)浓度
6)radon concentration field氡浓度场
1.The result shows that the location of return air intake has a great effect on the indoor radon concentration field, and it should be laid at the radon emission source, which the mixing of the radon in high concentration and the air in breathe area can be avoided.本文建立了一个典型的地下空间模型,在三种不同的送回风方式下进行了室内氡浓度场的模拟。
延伸阅读
承天氡泉
承天氡泉
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