fallout density

A Simple Dynamic Rising Nuclear Cloud Based Model of Ground Radioactive Fallout for Atmospheric Nuclear Explosion;

一个基于简化动力学模型的核爆炸地面放射性沉降预测模型

A Review of Prediction Model of Ground Radioactive Fallout for Atmospheric Nuclear Explosion;

大气层核爆炸地面放射性沉降预测研究综述

radioactive sediment density probe

放射性沉积物密度探针

Discussion on Plugging Depth into Sediment of the Deep Sea Sediment Geothermal Probe

深海沉积物地热探针贯入沉积物深度的探讨

Radionuclide distribution in sediments and sedimentary rates in seas surrounding Xiamen

环厦门海域沉积物放射性核素分布与沉积速率

The Geochemistry of Radionuclides and Minerals for Sediments in Jiaozhou Bay;

胶州湾沉积物放射性核素和矿物地球化学

The distributions of radionuclides in a sediment core and sedimentary rate in the intertidal zone of Xinghuawan Bay

兴化湾西岸潮间带沉积物岩心放射性核素分布与沉积速率

Measurement of Radionuclides in Sediments Core by HPGe γ Spectroscopy

海洋沉积物岩心放射性核素的γ谱测定

Distribution of radionuclides at surface sediments in Chukchi Shelf

楚科奇海陆架区表层沉积物放射性核素的分布

Application of radioactive measurement in the research of lake sediment

放射性测量方法在湖相沉积物研究中的应用

prospect [radioactive mineral]

勘探〔放射性矿物〕

tropospheric fall out

对零的放射性沉降物

delineation of fall out contours

放射性沉降物轮廓图

anabatic wind fall out

上坡风放射性沉降物

radioisotope densimeter

放射性同位素密度计

The electron dense deposits by electron microscopy at high magnification are seen here.

狼疮性肾炎。高倍电子显微镜下可见高密度电子致密物沉积。

DEPTH DISTRIBUTION PATTERN OF RADIOLARIANS IN SURFACE SEDIMENTS OF THE BERING SEA AND THEIR OCEANOGRAPHIC IMPLICATIONS

白令海表层沉积物中放射虫的深度分布特征及其海洋学意义

A river kind of sediment Certified Reference Material( CRM) based on natural-matrix for environmental radioactivity has been developed.

研制出一种天然基质的河流沉积物环境放射性标准物质。

unsealed radioactive substance

非密封的放射性物质

sealed source [radioactive substance]

密封源〔放射性物质〕