radon相关论文
氡是紧随吸烟之后的第二大致肺癌环境因素。近年来，随着氡与肺癌流行病学调查研究的不断深入及其方法学的进一步完善，相关危险度模型......
Measurement of radon exhalation and effective dose using LR-115 (Ⅱ) nuclear track detectors in the T
Mankind has always been living with the radioactive materials and ionizing radiations since the dawn of life on the eart......
In some countries,by-products (slags,ashes,etc) of NORM processing are used for building materials.Those building materi......
222Rn, 220Rn and their progeny measured inside a karstic cave and resuling radiation dose to speleol
222Rn is an α-emitting radioactive noble gas produced by the decay of 226Ra,both being members of the 238U decay chain.......
The continuous measurement of the radon exhalation rate of soil is quite important to radon exposure research as well as......
Radon, thoron and their decay products measured inside two Moroccan thermal stations and resulting r
Radon (222Rn) is a natural radioactive gas generated from the 226Ra alpha-decay.It is a noble gas with 3.82 days half-li......
Radiation doses to doctors, nurses and patients due to radon short-lived progeny from the inhalation
Alpha-and beta-activities per unit volume of air due to radon (222Rn),thoron (220Rn) and their decay products were measu......
The paper analyses and evaluates the results of indoor radon concentration measured with solid state nuclear track detec......
STUDIES ON EFFECTS OF RADON INHALATION ON OXIDATIVE DAMAGE IN MICE USING A NEW FACILITY FOR EXPOSING
A large number of patients are treated in various countries with traditional radon spa therapy.Many clinical studies hav......
The simulation model of one uranium mining stope 210m below the floor was constructed by hydrodynamics software.Assuming......
Taiwan is tectonically situated in a terrain resulting from the oblique collision between the Philippine Sea plate and t......
Assessment of excess lifetime cancer risk and risk of lung cancer due to exposure to radon in a midd
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Coconut water has several uses that are beneficial to humans, mainly because of its nutritional and medicinal properties......
This work presents a preliminary study on groundwater samples carried out from selected groundwaters of some localities ......
A new way by HPGe γ spectrometry, analyzing 222Rns relative counting deviation from the import and export side of c......
作者报道了北京地区民用天然气产地任邱油田的五口气井天然气中氡浓度，以及在输运过程中氡浓度的变化。观察了用户末端天然气中氡浓......
目的 研究非铀矿山中~(222)Rn、~(220)Rn浓度的季节变化规律.方法 选取云南、山东、新疆、黑龙江、湖南和贵州6个省份的铜、金、铝......
CT(Computed Tomography)是计算 机断层摄影技术的简 称,它是自X射线在 医学领域应用以来一个划时代的成就,是近代飞速 发展的计算......
The meteorologic effects on soil radon is dealt with. The observations during a year at fixed locations show a clear pat......
Under laboratory conditions (i.e. a sealed system in which the temperature may vary according to air tem- perature), the......
分析了陆相薄互层油储地球物理的难点并指出跨井和VSP层析成象在克服这些难点中的作用。据此,对当前我国应开展的相应研究课题提出......
Combining Radon-ambiguity transform with second-order difference to improve detection probability of
The Radonambiguity transform (RAT), although effcient for detecting the linear frequency modulated signals (LFMs), is tr......
探地雷达不仅能够探测金属目标体,而且能够探测非金属目标体,而成为UX0和地雷探测的一种重要的浅部地球物理方法。但是在地雷和UX0......
No.1PaPersA Closed一FOrm Wideband Direetion一of-Arrival Estimation with ChirPlet一Based AdaPtive Signal DeeomPosition Al......
In multi-LFM signal condition, Radon-Ambiguity Transform (RAT) of the strong LFM component has strong suppression effec......
The Xifeng hot spring in Guizhou Province is a famous health resort.The spring waterhas a temperature ranging from 53°......
本文对投影图象重建问题的历史和方法作了介绍,并对滤波反投影重建算法的基本原理作了初等解释,列出了精确的数学公式。在第三节中......
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本文提出一种利用计算机自动检测木材纹理方向的新方法。四种Matlab 图像变换函数被尝试用于木材纹理形状的检测。通过比较发现BWM......
在射线光学近似下,孔间电磁波传播方程满足Radon变换。因此,基于Radon逆变换的CT可用于处理钻孔电磁波法资料。选用了ART、SIRT和B......
The incidence of lung cancer in the Gejiu area of Yunnan Province ranks the first inthe world. The radon level (indoor, ......
消除地震反射数据中的自由面的影响是叠前偏移前做的一个基本的预处理步骤。其问题可利用瑞利互换理论进行阐述,对于不包含这些自......
4.应用“抛物线Radon变换”恢复数据的机理实例图5a显示了完整爆炸记录(图2a)的抛物线Radon(在τ—q域中)正变换。图5b显示了对应......
空缺道记录的恢复和地震道内插是地震数据处理中一个有意义的重要问题,在“抛物线Radon变换”基础上,提出了这种恢复空缺道记录、......
No.1Preliminary Study on Seismogenic Tectonic Background of East Kunlun MS=8.1Earth- quake on Nov.14,2 0 0 1on the J......
Journal of Disaster Prevention and Mitigation Engineering (Originated from Journal of Seismology)Vol
No.lPreface··············,········································......
Radon concentrations in high background radiation areas in the south are higher than those of others in China, especiall......
1 Introduction It is estimated that there are about 6 millions underground coal miners countrywide[1,2]. Available data ......
多次波衰减一直是地震数据处理中的难题,随着地震勘探向岩性勘探与油藏描述等的深入,多次波问题越来越引起人们的重视。主要介绍了......
近海地震勘探中,压制浅水区水层多次波一直是地震资料处理的难点,由于鬼波影响、远端预测不准等问题,传统压制方法存在局限性.本文......
近年来,随着多媒体、网络技术的迅速发展,图像信息的应用日益广泛,对规模越来越大的图像数据库、可视信息进行有效的管理,迅速、准......
氡是天然放射性铀系核素,是一种无色无味的天然放射性惰性气体.广泛存在于自然界,也是住宅内一个不可避免的辐射照射源,与人类的健......
氡暴露与循环系统疾病的关系以及氡对风湿性疾病的治疗作用已日益受到关注.从铀矿工的流行病学系统回顾中,揭示出氡暴露与冠心病之......
