放射性的

We have established the perfect metrological standard equipment and calibrating method, we have had the ability to provide the metrological assurance for the environmental radioactivity air survey.

在核设施退役过程中，通过航测全面掌握拟退役核设施及周围地区的放射性辐射现状，为核设施退役的放射性治理在范围和程度上提供了科学有效的数据，可以有效地支持核设施的安全退役。

SMI had protection and therapeutic effects on leucocytopenia of mice induced by irradiation.

试验还显示，照射后四天SMI大、中剂量组小鼠骨髓有核细胞数与正常对照组无显著性差异，说明其骨髓造血功能比较活跃，提示SMI对放射性损伤所致小鼠血虚证有一定的保护和治疗作用，对于小鼠白细胞减少有较好的治疗效果。结论：SMI对小鼠放射性损伤所致血虚证有一定的保护和治疗作用。

The stability ofradioactive microspheres can be improved by coating with ploT-L-lactic acid; however,about 60% of the activity leaches from the microspheres in this process, and approximately10% of the activity leaches after washing with saline. Fortunately, 30% of the activityremained stably in the resin microspheres.

体外稳定性实验结果表明：1采用离子交换法制备的放射性树脂微球标记核素脱落严重，使用聚乳酸包被放射性树脂微球可以提高其稳定性，但是包被过程中约有60％核素脱落，生理盐水洗涤约有10％的核素继续脱落，不过剩余的30％稳定存在于树脂微球上。

Activity exceeds 75 becquerels of parent radioactive chemical element per gram of substance.

成的任何物质，或包含该等元素的任何物质，而其放射性比，以每克物质计算，超逾75贝克耳的源放射性化学元素。

Any of several radioactive gases that are isotopes of radon and are products of radioactive decay.

&几种氡的同位素的放射性气体，是放射性物质衰变的产物。&

The use of radioactive tracers to study biological processes.

由于新的、更强的放射性物质，特别是镭的发现使放射性研究取得了飞速发展。

To observe the magnetic resonance imaging morphological features of radiation encephalopathy in nasopharyngeal carcinoma and investigate their diagnostic value. Methods: The MRI data of 160 lesions from 104 NPC patients with the diagnosis of temporal lobe REP were retrospectively analyzed.

目的鼻咽癌(nasopharyngeal carcinoma，NPC)放疗后放射性脑病(radiation encephalopathy，REP)的表现形式多样，对其多样性表现的报道并不多，本研究观察NPC放射性脑病的磁共振成像(magnetic resonance imaging，MRI)形态学表现特征并探讨其诊断价值。

The high temperature and strong radioactivity target-source system is one of the critical techniques in ISOL.

因为涉及到强放射性及放射性核素的释放问题，靶材料及靶-源结构材料的确定是一个重要的问题。

Radioactive oral mucosa of the trigeminal nerve endings will have a strong stimulus, and the impact of the corresponding parts of the brain, causing "radioactive headache."

放射性头痛冷饮对口腔黏膜的三叉神经末梢会产生一种较强的刺激，并影响大脑中的相应部位，引起&放射性头痛&。

Study shows that the wastewater from Koktokay rare metals mine which is located in the upstream of the important Irtysh River and main products Li, Be, Nb and Ta contain high level elements of Li, Be, Nb, Ta as well as U, Th, Cs and Zr and so on.

尽管当地有关部门对稀有多金属矿的放射性问题也有所涉及，但至今对稀有多金属矿开采过程中的放射性问题的研究文献仍然非常稀少。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。