片语

radon-222 exhalation氡析出率

The radon exhalation rate apparatus氡析出率仪

the radon exhalation rate氡析出率

radon exhalation rate氡析出率

radon- exhalation氡析出率

radon exhalation rate from soil地表氡析出率

soil radon exhalation土壤氡析出率

英汉例句

• radon exhalation rate from soil;

  地表氡析出率；

• we have further investigated the probables strong relationship between the indoor radon concentrations and the radon exhalation rate from building surface.

  对室内氡浓度与建筑物表面氡析出率的关系进行了分析研究。

• the selection of value of z in the formula are also discussed and some problems that exist in the available formula used to calculate the radon exhalation rate are explicated.

  从而说明了目前所见的静电式氡析出率仪计算公式中存在的问题，引入有效衰变常量导出了氡析出率测量的实用公式。

• the only input factors of the simplified model were soil radium content, dry bulk density, water content and soil texture type and the output was soil radon exhalation rate.

  模型只需输入土壤样品镭含量、容重、质量含水率和质地名称，就可以输出该样品的氡析出率理论值。

• the directly obtained radon exhalation rate after measuring satisfies the requirement of field radon exhalation rate measurement.

  测量完毕直接得出氡析出率，方便了现场氡析出率测量的需求。

• methods based on soil radon diffusive theory, a model including the influences of soil radium content, emanation coefficient, soil porosity and moisture saturation on radon exhalation was established.

  方法通过对氡在土壤中扩散理论的分析，建立土壤氡析出率数学模型，该模型考虑了土壤的镭含量、射气系数、孔隙度和含水饱和度等因素对氡析出率的影响。

• it is shown that the radium content is not completely relevant to radon exhalation rate from some building material.

  结果表明，建筑材料中镭含量与氡析出率之间并不完全相关。

• measurement of radon exhalation rate in some industries residue used in new type wall materials. ;

  新型墻体材料的广泛使用使得传统普通砂浆的局限性凸现。

• as the soil radon exhalation have an important impact on the indoor radon concentration, the research of soil radon exhalation is caused by a new hotspot.

  土壤氡析出率的影响因素很多，其中大气压力是较为重要的影响因素之一。

• on the basis of distribution of radioactive elements and geological background , the theory equation of radon exhalation rate is derived from the decay rule of radioactive elements and gas diffusion.

  根据放射性元素分布规律、地质背景及放射性元素衰变等，建立了计算氡析出率的理论公式。