查询词典 radon

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。

A quantitative appraisal of the prospect of uranium mineralization is completed based on a set of hydrochemical data acquired from the known in-situ leachable sandstone-type uranium, including radon content, acid-alkali ratio, oxidized and reduced electronic potential, hydrocarbonate radical and uranium content in water.

但是在找铀过程中仅用水化学成份、氡含量、酸碱度和氧化还原电位等数值进行描述，说明它们与铀矿化的关系，这种单一因素的描述不能综合反映与铀矿化的联系程度，以定量评价铀矿化与上述因素的关系，从而影响了水化学找矿的效果。

Respirable particulate matter ; radon ; carbon dioxide ; indoor air pollution

可吸入颗粒物；氡；二氧化碳；室内空气污染

Radon transformation was used to change the artifact part to sine space, and then we obtained the sinogram.

然后用雷登变换把伪影图像变换至弦空间，即得到弦图。

An experimental study on the noise properties of x-ray CT sinogram data in Radon space.

低剂量CT断层成像的噪声抑制研究国家自然科学基金，2005-2007，课题负责人：卢虹冰，资助号：

The migration of radon and its daughters is directional, and contravenes the law of the diffusion.

实验还发现，氡及其子体的分布具有明显的方向性，而与扩散规律相违背。

Here there have been many culs-de-sac: searches for foreshocks, tilts, radon, electrical precursors and variations in velocity ratios of P-waves to S-waves have either failed or are at best unproven.

在这方面曾走进许多死胡同∶寻找前震、地倾斜、氡、电学的前兆，以及P-波或S-波速率的变化。但是，这些努力或者失败，或者在最好的情况下未能获得验证。

These results are valuable for reasonably determining the radon eduction rate in remedial action on decommissioned uranium mine.

其结果对铀矿山退役治理中氡析出率的合理确定具有一定的参考价值。

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.

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。

According to statistics, the world's total number of deaths from lung cancer are 8% to 25% due to the radon caused by inhaling air.

据统计，全世界患肺癌死亡的总人数中有8％至25％是由于以前吸入空气中的氡造成的。

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