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The adsorption behaviors of uranium and strontium were investigated on soil of very low-level radioactive waste in a preelection site by the static experimental method.

为了解U、Sr在极低放废物预选场址土壤中的吸附行为，分别以238U和90Sr溶液为示踪剂，用静态吸附法测定吸附分配系数，并研究pH、共存离子、胶体等条件的影响。

Etiology is not clear at present, is generally believed that may be related to the following factors: the first 3 months of pregnancy the mother suffered from disease on primality infection; early pregnancy to accept a large quantity of radioactive radiation; severe malnutrition; taking certain drugs during pregnancy, such as tetracycline, sedatives, quinine, etc., can lead to the occurrence of congenital heart disease in children.

目前病因尚不清楚，一般认为可能与下列因素有关：母亲妊娠最初3个月患有病素性感染；妊娠初期接受大量放射性照射；严重营养不良；妊娠期服用某些药物，如四环素、镇静药、奎宁等，可导致小儿发生先天性心脏病。

Each radioactive nucleus of a particular kind is responsive to a fixed decay probability per unit time.

每个特定类型的放射性原子弹对单位时间内一个固定的衰变几率作出响应。

To use homemade procaine pain killing mixture is a highly effective way to the treatment of radioactive esophagitis.

复方普鲁卡因止痛合剂是治疗放射性食管炎的一种高效方法。

If these radioactive substance has the opportunity to proliferate in the environment, also can threaten humanity's health.

如果这些放射性物质有机会在环境中扩散，亦会威胁到人类的健康。

Promethium is metallic and emits a blue-green light, as it is highly radioactive.

钷是金属并发出蓝绿色光，具有高放射性。

It is better to use a neutron or proton rich projectile with atomic number notfar away from the expected exotic nuclei because the difference in the fragmentationcross section induced by neutron or proton rich and stable projectiles becomes smallwith the increase of the distance between the produced fragment and the projectile. Measurements of 〓 for 〓,〓 and 〓 at intermediate energieshave been performed on the Radioactive Ion Beam Line in Lanzhou.

所选的丰中子或丰质子炮弹最好离所需产生的丰中子或丰质子奇异核比较近，因为随着炮弹与产生的核的距离的增加，丰中子或丰质子炮弹与稳定的炮弹的碎裂反应产生奇异核的产生截面的差别变小。

Because of the radioactivity in waste water of rare earth factories,the purificatory principle of radioactive waste water,and adsorption of some clay minerals and soils for rare earth was studied.

基于稀土厂废水的放射性，吸取水质放射性污染净化原理与多种粘土矿物和土壤对稀土的吸附性，探讨稀土厂废水放射性的净化技术。

The technique is so sensitive that it can detect a single radioactive carbon atom hiding among a quadrillion ordinary ones.

这种技术是如此的灵敏以至于可以在百万的四次方个原子中找到某一个放射性碳原子。

It is a radiation hazard, because it can occur in two radioactive forms.

因为且有两种辐射形式而属於幅射危害物。

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。