radon concentration造句

• Radon concentration in ground water 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。
• Standards for controlling radon concentration in dwellings
  住房内氡浓度控制标准
• Study on the temporal change of radon concentration
  空气中氡浓度时间变化规律探讨
• Scintillation flask method for measuring radon concentration in the air
  空气中氡浓度的闪烁瓶测量方法
• Scintillation flask method for measuring radon concentration in the air
  空气中氡浓度的闪烁瓶测量方法
• Radon concentration level in the pits of 24 coal mines in zaozhuang mining area
  枣庄矿区24所煤矿井下氡浓度水平
• Research on radon concentration and radioactivity level of part coal mine in guizhou province
  贵州省部分煤矿氡浓度及放射性水平的研究
• The usual way to model indoor radon concentrations is to assume lognormal distributions of concentrations on a given territory
  模式化室内氡气浓度时常假设，其于一定范围内为对数常态分布。
• The results show that evt performs better than lognormal pdf for real data sets characterized by high indoor radon concentrations
  结果显示极端值理论对高氡气浓度分布区域之预测佳于一般对数常态分布模式。 。
• Objective to analyze the temporal and spatial variations of radon concentration by measuring in some labs and typical buildings in chengdu
  摘要目的通过对成都某几个氡气观测实验室以及代表性建筑物的氡浓度测量，分析氡浓度的时间变化特点和垂直变化特点。
• According to the results , a positive correlation between radon concentration and pressure , relative humidity , and a negative correlation between temperature were appeared
  结果表明，该室内空气中氡浓度的变化规律与气压、相对湿度成正相关，与温度成负相关。
• 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。
• The authors used the theoretical model to calculate the radon concentration of air at a certain residential area of linchuan city , jianxi province , which has been preliminarily proved to the effective
  运用大地大气氡交换模型计算了江西临川市某住宅区空气中氡浓度，取得了初步的应用效果。
• Conclusion we should avoid exposure to it during the periods of high radon concentration in our life and work , keep room ventilating , take measures to reduce radon concentration in lower floors , fur the tall buidings
  结论在日常活动和工作时应该尽量避开氛浓度较高的时间段，室内应经常通风，对高层建筑物应重点作好较低楼层的降氮工作。
• This paper introduces a kind of intelligent calibration equipment for measuring radon concentration - hd - 5 multi - function ecological radon chamber , including its configuration , the calculating procedure of confirming radon concentration , and make analysis on the performance of the chamber
  摘要本文介绍了智能型测氡仪器标定装置hd - 5型多功能生态氡室的结构及氡浓度定值的计量过程，并分析了该氡室的性能指标。
• The article introduces the system structure and technical indicators of radon concentration standard equipment , it analyses the factor of inflecting quality control and the solving method , by experiments can the equipment be controlled and assured effectively in daily work
  摘要介绍氡浓度标准装置的系统结构、技术指标，分析影响质量控制的因素及解决办法，经试验验证该装置在日常工作中能得到有效的质量控制和保证。