radon的例句大全

It is considered that the confidence of water radon negative anomalies which are regarded as mid term precursors is low.

讨论认为，水氡负异常做为中期前兆的信度较低；

Application of Boundary Checking with RaA Radon, VLF Survey in Deformation and Fracture Mass of Reservoir Right Shore to an Electricity Station Dam

RaA氡气、甚低频测试在复核某电站库首变形体边界中的应用

To test the stability of observation method of soil radon, three synthetic observation holes were set up in the garden of Beichuan Government. Three methods are RaA, alpha particle track measurement and radon pipe measurement.

为了对比有关土氡观测的稳定性及观测结果的映震能力，在原北川县政府断层气观测场地内建立了三组综合观测孔，进行RaA法，氡管仪法和α径迹蚀刻法测试实验。

The working principle of the instrument is based on the measurement of Q-ray intensity generated by 218Po ( RaA)-the radon daughter collected on polyester film processed by pressurized polarization.

它是一种借助于经过加压极化处理过的聚酯薄膜片收集氡衰变产生的子体218Po（RaA），并测量其放出的α射线强度的微机测氡仪。

A relative mathematic model is constructed by analyzing the error factor resulting from the balance state observation curve of radium-radon and the process of dynamics.

本文通过分析常规计算镭氡平衡系数的误差因素及钻孔中镭氡平衡的动力学过程，建立了求解镭氡平衡系数的数学模型。

The variation of radon levels in closed unoccupied hotel rooms indicates that the soil Radon has very important influence on the indoor radon levels of the basement or ground floor of hotel rooms.

无人入住时宾馆室内氡浓度的变化说明土壤氡的渗入是底层房间室内氡的重要影响因素。

Analysis on the normal and abnormal characteristics of radon in Minhe

民和水氡正常动态与异常变化特征分析

The accumulative doses of radon and its progeny were 55 and 101 Working Level Month ( WLM).

氡及其子体的累积剂量分别为55、101WLM；

To cover the surface of tailing sand reservoirs with loess can reduce radon emanation effectively. When the depth of cover loess was 0.5m, radon emanation was decreased more than 84%.

指出在尾砂库表面覆盖黄土，可以有效降低氡析出水平，当覆盖厚度达05m时，可将氡析出水平降低84%以上。

Testing of Efficiency of Air Cleaners to Reduce Radon Daughters

空气净化器净化室内氡子体效率的检测

A shoe-box-size RAD7 tested for radon.

另一个鞋盒状的RAD7型测氡仪用于检测氡气；

Utilization and Control of the Nature Air Flow in Removing Radon

排氡通风中自然风流的利用与控制

The application of the radon monitoring technique with electret collecting

驻极体测氡法及其应用

The use of entropy in finding the maximum concentration of the Radon transformed image can improve the robustness of the method.

在搜索Radon变换后图像中的能量聚集点时，利用熵来改善算法的稳健性。

In practical application of Radon Transform, we must consider the sampling problem. The Shannon sampling theorem is not suitable in geophysics, because it needs the function considered being band-limited.

Radon变换在实际应用中必须考虑抽样取值的问题，通信理论中常用的Shannon取样定理在地球物理学等领域中并不适用，因为它要求函数是频谱有限的。

After Radon transform on the skeletal texture image, a two dimensional curve plot was drawn to represent textural directionality of wood.

对纹理骨骼线图象进行Radon变换后，可绘制纹理角度的二维曲线图，纹理曲线图所反映的木材纹理角度朝向规律与人们日常印象相吻合；

For the effects of eyelid and eyelash occlusion, a new method of iris noise eliminating is presented based on Radon transform, which can effectively eliminate the effects for eyelid noise information.

对于眼睑和睫毛的遮掩对识别的影响，提出了一种新的基于Radon变换的虹膜噪声去除方法，有效地消除了眼睑噪声信息的影响，同时结合阈值法剔除睫毛。

Therefore, the nonlinear Radon transform is important in the Radon transform theory and more useful than the conventional.

常规线性Radon变换仅是该变换下的一种特例，因此该变换具有重要的理论意义及更广泛的应用前景。

Study on mechanism of detecting underground fire by Radon measurement technique

测氡探火机理的研究

So it has become a vital problem that how to distinguish the abnormal concentration of radon caused by faultage or underground heat, and excluding the interference of faultage on detecting underground fire.

如何区分地下热源引起的氡浓度异常和断层引起的氡浓度异常，从而排除断层对测氡探火的干扰，就成为亟待解决的问题。