radiochronology

These beings may have been some of the lucky few who were able to advantage of conditions in these hazardous, radioactive times.

在那个危险的放射性年代,这些生物可能是为数不多利用了当时条件的幸运儿。

radioactive dating

ph.1. 【美】放射性测定年代

radiocarbon method

放射性碳测定年代法

Measurement of geologic time, as through isotopic radioactive decay.

地质年代测定通过放射性同位素衰变来测定地质年代

radiocarbon 14 dating method

放射性碳14测定年龄法

The researchers used radiocarbon dating on22 pieces of microscopic charcoal found among Neandertal tools in fire pits in Gorham Cave.

研究者们使用放射性碳方法为在山洞中发现的22片木炭确定年代.

Apreliminary analysis of the properties of urinary radioactive metabolite was made.

初步分析了尿中放射性代谢物的性质。

Half-life of radioactive element carbon-14 is 5730 year.

放射性元素碳-14的半衰期为5730年。

RADIATION ACCIDENT IN 1963 AND 18 YEARS FOLLOW-UP OF THE 4 SURVIVED CASES

4例急性放射病的治疗和18年随访

Review on Progress of Radioactive Well Logging Technology in 2000～2008

2000～2008年放射性测井技术进展述评

The intensity of a radioactive source.

放射性放射原的强度

active particles

放射性[活性]粒子

Women s Literature and Women s Liberation in the 1990s;

20世纪90年代女性文学与女性解放

Radiosensitivity and Growth Characteristics of Filial Generation from Irradiated Human Glioma Cell Line SHG-44;

脑胶质瘤SHG-44细胞照射后代生长特性及放射敏感性变化

prospect [radioactive mineral]

勘探〔放射性矿物〕

apparatus decontamination

设备去污 -放射性

Geological terms and their classification and codes of radioactive mineral resources

GB/T10630-1997放射性矿产地质术语分类与代码

Consequently, radiometric dating has advanced briskly in the past 30 years.

因此，新近三十年来，放射性计时迅猛发展。