您要查找的是不是：
- radon concentration control 氡浓度控制
- 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 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。
- 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。
- If indoor radon concentrations in the control standard within the medical significance to human health will not bring the injury. 如果室内氡浓度被控制在标准范围内，则对人体健康不会带来医学意义上的损伤。
- The average radon concentration inside the emporium was 34.10+9.42 Bq/m~3 with the total effective dose per year of 1.0709 mSv. 商场平均氡浓度结果分别为34.;10±9
- According to the legal metrological units, the Becquerel (Bq) and Becquerel/Litre (Bq/L) were taken as activity units and radon concentration units in various radon measurements. 根据法定计量单位选用了贝克(Bq)和贝克/升(Bq/L)。 相应作为各种氡测量的[放射性]活度单位和氡浓度单位。
- Methods Long term and continuous measurement has been carried out by using ERMB1(ERM: Electrostatic Radon Monitors ), which can supply hourly radon concentration. 方法 采用静电氡监测仪 (ERMB1)对室外氡浓度进行长期连续测量 ,给出每小时的氡浓度。
- In filling station control of cementing filling system, the concentration control of filling material affects filling quality directly. 在胶结充填系统的充填站自动控制中,充填料浆浓度的控制直接影响充填质量。
- A lye concentration control system is designed to keep the concentration for pre-process technique of polishing in printing and dyeing industry. 为实现对印染前处理丝光工艺中的碱液浓度控制,设计开发了碱液浓度实时控制系统。
- 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 paper introduces the components and functions of the sib evaporation,gives out the conception that improve the green liquor concentration control system. 本文介绍了第五蒸发自动控制系统的组成、功能和作用，提出了改进母液浓度调节系统的设想。
- The three factors must be taken into consideration to reduce radon concentration to a reasonably acceptable level so that the uranium well can be kept in its best working condition with minimum radiation. 为了把铀矿井平均氡浓度降到一个合理的可接受水平,必须对这三个因素综合考虑,使铀矿井处于最佳工作状态和最优的辐射水平。
- In all the 290 research dwellings, 45 (23%) have indoor radon level above 150 Bq/m 3, a limit value of indoor radon concentration suggested by U.S. Environmental Protection Agency. 在进行调查的 1 90个居室中 ,有 4 5个 ( 2 3%25 )居室室内氡浓度超过美国环境保护局制定的 1 4 8Bq/m3室内氡浓度的上限值。
- The technical rationality of adopting plenum ventilation in uranium mines,and the effect of the plenum ventilation on controlling radon emination and attenuating radon concentration are discussed. 论述了铀矿井采用压入式通风方式的技术合理性,以及压入式通风方式对抑制氡析出和排氡降氡的有效作用。
- Measures to improve the colordifference are presented from the concentration control in dye bath and fixing bath to alkali and electrolytic a gent screening.The practical application is also given. 指出应从染液轧槽、固色液轧槽中的染料浓度控制以及选择碱剂和电解质等措施来改善前后色差,并给出了生产实例。
- 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。。
- 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。
- Firmly concentrated control remains the dominant model, and a culture of dispersed ownership still seems a long way off in Russia. 高度集中的控制权依然是主导模式，在俄罗斯，分散所有权的文化看来还很遥远。
- Investigations were made of indoor radon concentrations for decorated dwellings using solid state nuclear track detectors(SSNTD). 采用固体核径迹探测器(SSNTD),对装修后的房屋进行室内氡浓度调查。
