查询词典 radioactive

The article introduces recently some radioactive source accidents in China, and analyses the reasons of the accidents. Some important issues existed in the process of implementing new regulation were summarized, and some suggestions for managing radioactive sources are made.

本文通过介绍我国发生的一些放射源事故情况，分析事故发生的原因，总结了《放射性同位素与射线装置安全和防护条例》颁布后在实施过程中还存在的一些关键问题，提出了加强放射源管理的对策与建议。

Radioactive waste form performance test is one of the effective measures for ensuring safe disposal of radioactive waste.

放射性废物固化体的性能检验是保障放射性废物安全处置的有效措施之一。

Article 58 Whoever imports radioactive wastes or radioactively polluted articles into the territory of the People's Republic of China or transfers them via the territory of the People's Republic of China shall be ordered by the customs to return the said radioactive wastes or radioactively polluted articles, and shall be imposed upon a fine of not less than 500,000 Yuan but not more than 1,000,000 Yuan in addition; if a crime is constituted, he/it shall be investigated for criminal liabilities.

第五十八条向中华人民共和国境内输入放射性废物和被放射性污染的物品，或者经中华人民共和国境内转移放射性废物和被放射性污染的物品的，由海关责令退运该放射性废物和被放射性污染的物品，并处五十万元以上一百万元以下罚款；构成犯罪的，依法追究刑事责任。

One, in fact, almost all taken from the natural rock, used to bake the tiles in the soil, more or less contain a certain amount of radioelement, of course, will not cause radioactive danger, when more than a certain amount of radioactive material, would pose a threat to human health.

一、事实上，几乎所有采自大自然的岩石、烧制瓷砖用的泥土等，或多或少都含有一定量的放射性元素，当然，并非都会对人体造成放射性危害，只有当放射性物质超过一定数量时，才会对人体健康造成威胁。

The osteoid osteoma was found to have a circular or oval radiolucency which was less than 2 cm in diameter with different degrees of bone sclerosis around the nidus. Of the 9 cases, 5 showed an irregular area with less density on plain X-ray film. CT scanning showed nidus in all cases. MRI showed nidus in 1 case. Radioactive scanning showed radioactive concentration in 4 cases.

骨样骨瘤的影像学表现为一圆形或卵圆形的透亮区，直径cm，其周围有不同程度的骨质硬化。9例X线平片仅5例发现不规则密度减低区，9例CT均清楚显示病灶瘤巢； 1例MRI也观察到类似瘤巢的改变。4例同位素检查均表现为病变区核素浓聚现象。

Score was judged by conditions before and after therapy through half-quantitation grading method according to radioactive distributed defective pulmonary segments combined with radioactive degree of rarefication.

根据放射性分布缺损的肺段及放射稀疏程度相结合的半定量打分法对治疗前后进行评分。

Discharging radioactive waste liquid not by the prescribed means, or discharging radioactive waste liquid by using soakaway, seepage pit, natural crevice, karst cave or by other means prohibited by the State

不按照规定的方式排放放射性废液，利用渗井、渗坑、天然裂隙、溶洞或者国家禁止的其他方式排放放射性废液的

Result: in substantial stage, thirty-four patients showed intrapelvic radioactive concentration imaging out of the baldder, in which sixteen were in the left side and eighteen were in the right. in delayed stage, radioactive concentration still existed, with the positive rate of 56.7%.

结果：34例在实质期内可见膀胱外盆腔大小不等的同位素浓聚显像，其中偏左侧16例，右侧18例，延迟期放射性同位素浓聚仍持续存在，阳性率56.7%。26例未见明显持续性同位素浓聚。

Under the base of investigation and research on natural radioactive nuclein in coal of Yili area,combining with the distributing characteristic and law of radioactive nuclein in coal of area and residents' customer of using coal in Yili area,the article raises decrement,resources,harmless and prevention and control measure of whole course managing rule with having a definite object in view and put foward a feasible plan and way for economie developmant of Yili area,resonable development and utilization of coal resources,preventing from pollution because of mining and utilizing coal and further protecting people's health.

文摘：在对伊犁地区煤中天然放射性核素调查研究的基础上，结合伊犁地区煤中放射性核素分布的特点、规律以及伊犁地区居民的用煤习惯，有的放矢的提出了减量化、资源化、无害化以及全过程管理原则的防治措施，为伊犁地区的经济发展，煤炭资源的合理开发和利用，防止因煤炭的开采利用而造成的污染，建设性的提出了切实可行的方案和途径。

The development of a new kind of radioactive drug includes the research work in its technological process, quality requirements, preclinicopharmacological study and clinical study, The research unit, when designing the technological process for a new drug, muststudy the physical and chemical properties, purity (including pureness of radionuclide), testing method, pharmacology, toxicity, nuclein animal dynamics, radiospecific activity, dosage, pharmaceutical forms and stability of that radioactive drug.

研制单位在制订新药工艺路线的同时，必须研究该药的理化性能、纯度及检验方法、药理、毒理、动物药代动力学、放射性比活度、剂量、剂型、稳定性等。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。