放射性

Strontium 90, released through nuclear explosions into the air, comes to the earth in rain or drifts down as fallout, lodges in soil, enters into the grass or corn or wheat grown there, and in time takes up its abode in the bones of a human being, there to remain until his death.

由核爆炸释放到空中的锶90以放射性尘埃的形式随雨水或漂浮物落到地球上，留在土壤里，进入地上生长着的草、玉米或小麦等植物体内，最后钻进人体，停留在骨骼里直到人死去。

Strontium and yttrium can be separated by changing the acidity, and it can be used to separate the radioactive Sr from matrix.

通过调节萃取液的pH值，可实现Sr和Y的分离，并可将其用于裂变产物中放射性Sr的分离。

Objective To evaluation the manifest and effect of scintigraphy in the subacute thyroiditis.

目的 探讨放射性核素在亚急性甲状腺炎中的表现及其作用。

The results show that the submersion method, offered by the author, is simple and effective to determine the natural background.

只要水域直径在3 m以上，水深2 m，水中的放射性物质微弱，用此法可得到相当近似的自然底数。

Scintigraphy show irregular throughout in suffuse swell subacute thyroiditis. The specialty is lower local node. The characteristics are correlation with clinical manifest.

放射性核素在弥漫肿大性亚甲炎时，呈显影不清晰或稀疏，局部结节者，特异性差，表现与临床病理相符。

The radiation synovectomy using188Re-Sulfide was a kind of effective and safe method of treating osteoarthritis of the knee.

188Re-硫化铼放射性滑膜切除术是治疗膝关节骨关节炎的一种有效和安全的方法。

Technetium are radioactive isotopes, the longest life expectancy is 943Tc and 9843Tc.

锝都是放射性同位素，寿命最长的是943Tc和9843Tc。

A radioactive metallic_element that is similar to tellurium and bismuth; occurs in uranium ores but can be produced by bombarding ''.

一种放射性金属元素，类似碲和铋，见于铀矿，但能通过用中子轰击铋的核反应制造。

OBJECTIVE To provide reference for diagnosis and treatment of osteoradionecrosis of temporal bone in nasopharyngeal carcinoma patients by retrospective study.

目的 总结鼻咽癌放射性颞骨坏死的临床资料，为今后的诊断和治疗提供经验。

Like Thallium SPECT, the PET scan has been very useful in differentiating tumor recurrence and radiation necrosis.

同铊标记SPECT一样，PET扫描对于区分肿瘤复发和放射性坏死十分有效。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。