1.
In uranium mine ventilation, wind force, wind pressure and wind direction are the three major factors affecting radon reduction technology.
铀矿通风中,风量、压和风流方向是三个影响降氡技术的重要因素。
2.
When the radon levels of the water subside and drop back to normal readings, an earthquake may occur.
当水中氡的含量下降，回到正常读数时，地震就可能发生。
3.
The Research of the Radon Measurement and the Instrument of Calibration Technology;
氡气测量和测氡仪器的标定技术研究
4.
Studies of Radon Radiation Field in Soil and Development of Radon Measure Instruments;
壤氡辐射场理论研究与测氡仪器研制
5.
Harm of Radon and Radon Progeny,the Preventative Measures and Countermeasures
氡及氡子体的危害与防治措施、对策
6.
Study on the radon hazard and radon preventing measures in underground building
地下建筑中氡的危害及防氡措施研究
7.
radon effect seismic predictor
氡效应地震预报装置
8.
the radon level in the basement was impermissibly high.
地下室的氡含量超标。
9.
The radon exhalation rate is used as the basic factor of radon geological potential.
氡析出率是反映氡地质潜势的最好参数。
10.
Radon and radondaughter meters and monitors-General requirements
GB/T13163-1991氡及氡子体测量仪与监测仪一般要求
11.
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
12.
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
13.
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
14.
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
15.
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
16.
Standard methods for radon measurement in environmental air
GB/T14582-1993环境空气中氡的标准测量方法
17.
The daughter nuclides of radon and thoron tend to become attached.
氡和钍射气的子体易被气溶胶吸附。
18.
Please fill out the“ Tax Certificate Form for Sale and Payment of Foreign Exchange”.
⑶胩钚础妒鄹痘憧?咚拔衿局ど昵氡怼贰