氡子核在衰变时发射出放射性阿尔法粒子，这些粒子可附着于空气中的浮质、灰尘及其它粒子。
As radon progeny decay, they emit radioactive alpha particles and attach to aerosols, dust and other particles in the air.
结论大鼠骨髓间充质干细胞对生精上皮放射性损伤的修复可起重要作用。
Conclusion MSCs can play an important role in repair of radiation injury of spermatogenic epithelium.
方法体外培养大鼠骨髓间充质干细胞，建立大鼠放射性损伤动物模型。
Methods MSCs of rats were cultured in vitro and models of radiation injury of rats spermatogenic epithelium were established.
早石炭世两个断片由玄武岩和灰白色、紫红色放射虫硅质岩、硅质泥岩、凝灰岩组成。
The two early carboniferous fragments are composed of basalt and ash - black, fuchsia radiolaria silicalite, siliceous mudstone, tuff.
浊积岩储层中受放射性矿物和地层水矿化度的影响，使得自然伽马曲线和自然电位曲线不能真实地反映储层泥质含量情况。
Resistivity curve is mainly used in the calculation of formation shale content in the logging interpretation for conglomerate reservoir at present.
早石炭世两个断片由玄武岩和灰白色、紫红色放射虫硅质岩、硅质泥岩、凝灰岩组成。
The two early Carboniferous fragments are composed of Basalt and ash-black, fuchsia radiolaria silicalite, siliceous mudstone, tuff.
对鼎湖山亚热带森林土壤有机质(SOM)放射性碳进行了核爆效应校正。
Radiocarbon of soil organic matter (SOM) in Dinghushan subtropic forest has been adjusted by the "bomb-effect".
硅质岩中含有大量放射虫，放射虫组合显示硅质岩的沉积时代为晚侏罗世晚期。
There exists abundant radiolaria in the chert, and the radiolarian association suggests that the chert was formed in the last period of Late Jurassic.
它们直接由海水中硅质生物——放射虫和硅质海绵的遗体堆积而成，形成的决定因素是海水中硅质生物的含量与海水性质。
The contents of siliceous organisms in sea water and the propertiesof sea water were decisive factors for the formation of these siliceous rocks.
目的：对比研究放射状切口手术对器质性心脏病伴心房纤颤的治疗效果。
Objective: To research the effect of Radial Incision Approach (ria) on treating atrial fibrillation (Af).
分别应用放射免疫法和酶动力法测定血清透明质酸（HA）和淀粉酶。
Radioimmunoassay was performed to determine the serum level of hyaluronic acid (HA).
质坚实，断面略显纤维性，黄白色，粉性，形成层环明显，射线放射状，有的有裂隙。
Texture compact, fracture slightly fibrous, yellowish-white, starchy, cambium ring distinct, rays radiate, some with clefts.
采用放射免疫分析法对192例病毒性肝炎患者血清透明质酸含量进行了测定，结果表明肝实质受损程度越重，血清透明质酸含量越高。
The serum hyaluronic acid in 192 patients with virus B hepatitis detected. The results showed; the more degree the liver parenchyma damaged, the higher content of hyaluronic acid increased.
与深海相放射虫硅质岩相伴，则夹有玄武岩(细碧岩)层。
Thin basalt (spilite) layers are often interbedded in those deep Marine radiolaria-bearing siliceous rocks.
在勘探工作中发现黑龙江东部晚三叠世—早侏罗世存在大量的放射虫硅质岩地层。
A lot of radiolarian cherty is found in the T3-J1 strata in Eastern Heilongjiang Province during recent geological survey, although previous exploration was not targeted at these strata for oi.
在勘探工作中发现黑龙江东部晚三叠世—早侏罗世存在大量的放射虫硅质岩地层。
A lot of radiolarian cherty is found in the T3-J1 strata in Eastern Heilongjiang Province during recent geological survey, although previous exploration was not targeted at these strata for oi.
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