查询词典 sealed radioactive source

This paper describes the main source、storage、management and disposal of radioactive waste and spent sealed source in Tsinghua University.

该文介绍了清华大学放射性废物的主要来源以及放射性废物的存贮、管理和处置。

This paper introduces the application of integrated geophysical investigation, including high precision magnetic, multielectrode method and GPR , to systematically detect a radioactive material source sealed in lead container stored in a chamber buried underground,which has been missed.

采用综合地球物理勘查技术，包括高精度磁测、高密度电法和地质雷达对某处遗留于地下的铅封放射源进行了系统探查，对所获得的各类异常数据进行了分析处理，并指出了放射源所在的具体空间位置。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。