放射性的

High-precision radiocarbon determination on tree rings grown before and after AD 1054 is presented.

对公元1054年前后的树年轮放射性碳含量Δ14C进行了高精度测量。

The β-activity of ~(89,90)Sr is measuured on GM counter after radiochemical separation.

放射性~(89，90)Sr是放化分离后在G-M计数器上测量的。

According to the technologies it takes, the enzyme activity detecting approaches could be divided into spectrophotometric and radiochemical assays.

根据使用的手段可分为放射性同位素标记法和分光光度法。

A method of the preparation of standard radioactive solution of ~(241)Am isdeveloped by radiochemical separation and puritication.

本文系统地研究了~(241)Am的分离、纯化、溶液组成及其稳定性、制源技术和放射性活度绝对测量等问题。

The radiochemical purity of ^99mTc - annexin Ⅴ was 90% after direct labeling and desalting.

直接标记和脱盐处理制备出的^99mTc—annexin Ⅴ放射性化学纯度为90％。

The UF,RO and Ed combined technological process was used to treat the low-level radioactive waste water coming from the radiochemistry laboratory in our institute.

介绍用超滤-反渗透-电渗析组合工艺处理放射化学实验室排出的低水平放射性废水。

UF,RO and Ed combined technological process was used to treat the low-level radioactive waste water coming from the radiochemistry laboratory in our institute.

介绍用超滤-反渗透-电渗析组合工艺处理放射化学实验室排出的低水平放射性废水。

Methods The sciatic nerve of rats was injured and then put a tube on the place where it was repaired. The tube were filled with 125I-NGF which the specific activity was 1007 uci/mg, radiochemistry purity ＞95%. And the radiator was tested in blood after 30 min, 12h and 24h.

SD大鼠10只，将其坐骨神经在锐性切断，局部置管给以标记的神经生长因子0.1ml，比活度为1007uci/mg、放化纯＞95%，分别在术后30min、12h、24h取静脉血液测每分钟放射性计数。

It is obvious that labeling the ASODN by radioelement is the most pivotal process.

放射性核素标记ASODN是反义显像药物合成的最关键步骤。

The users who have installed natural stones, the department should find the identification radioelement whether extra if he has to consider where to stop.

五、如已安装天然石材的用户，应找上述部门查验放射性元素是否超标，如已超标应考虑停止使用。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷