查询词典 radon measure

The contents of 226Ra and 232Th of honeycomb briquette were used to calculate the contribution of honeycomb briquette burning to indoor radon and thoron and their radiation dose to the residents.

应用γ能谱测定了西安市蜂窝煤中天然放射性核素226Ra、232Th和40K的含量，并初步分析了取暖期蜂窝煤燃烧对室内氡及钍射气浓度的贡献，以及所致居民剂量。

After eliminating the mutual interference , the relative error of radonand thoron measurement are –34.0% and 17.3% compared to the standard radon andthoron concentrations respectively .

理论上推导出了扣除氡钍干扰的关系式，扣除氡钍干扰后 Tn 的浓度与标准浓度相对误差为 17.3%，Rn 浓度与标准浓度相对误差为-34.0%。

The concentrations of radon and thoron as well as thoron decay products (220RnD) have been measured by using passive integral monitors in two coal mines of Beijing areas during summer and winter.

用被动式累积探测器在北京房山区史家营（中型煤矿，年产量30万吨）和城关（小型煤矿，年产量3万吨）2座煤矿井下进行了222Rn、220Rn及220Rn子体的测量。

From the properties of Radon transform, the translation and rotation invariant is derived from the polar Fourier transform.

根据Radon变换的属性，可以从极傅立叶变换推导出一种旋转和平移不变量。

Further, by directly utilizing the radon transform to extract the slopes, the rotation rate estimation is completely based on the unscaled ISAR image, and therefore is more practicable in practice.

进一步通过直接采用Radon变换提取图像中目标的特征线斜率，使转速估计完全基于目标的ISAR图像，在实际中更为实用。

This paper has produced the physical meaning of the water radon variation rate and the production method of the dynamic pattern of the variation rate .

介绍了水氡变化率的物理含义以及变化率动态图象的生成方法。

The GEOTOP centre develops multi-disciplinary projects such as the study of uranium-thorium-radon desequilibrium in volcanology or the study of isotopic tracers at the water-sediment interface and internal process of the earth.

此中心开展了多学科的研究项目，如火山学中铀-钍-氡消除平衡的作用研究、水沉积物分界面的同位素示踪剂研究，以及地球内部作用的研究。

Meanwhile, the approximate direction and area of waterline is obtained in the Radon domain.

实验结果验证了该算法对海岸线检测的有效性和较强的鲁棒性。

First, since the GRT is linear and addible, the dissertation proposes the parallelized implementation of Generalized Radon Transform. The implementation is based on the GRT Cartesian space's decomposition.

基于广义Radon变换具有良好的线性可加性，本文提出一种以分解图像空域笛卡尔空间为基础的广义Radon变换并行化实现，从而使得广义Radon变换能有效地运用于实际应用中。

A method is proposed that is based on template match and Radon transform of calculating the affined factors in digital watermarking against geometrical distortion.

针对目前数字水印抗几何攻击方法，提出一种基于模板匹配和Radon变换联合应用的几何变换参数估计方法。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48