查询词典 radioactive element

In 1898 Madame Curie discovered the first of these new radioactive minerals, which she named "polonium" in honor of her motherland — Poland, and on which she wrote a research paper.

1898年居里夫人发现了这些新放射性矿物中的第一种。为了向祖国—波兰表示敬意，她把这种矿物取名为"钋"，并写了一篇关于钋的研究论文。

Article 307While consigning for transport such dangerous goods as inflammable, explosive, toxic, corrosive or radioactive articles, the consignor shall, in accordance with the regulations of the State on the transport of dangerous goods, properly package the dangerous goods, affix thereto warning signs and labels, and submit to the carrier written documents concerning the name, nature and precautional measures relevant to the dangerous goods.

第三百零七条托运人托运易燃、易爆、有毒、有腐蚀性、有放射性等危险物品的，应当按照国家有关危险物品运输的规定对危险物品妥善包装，作出危险物标志和标签，并将有关危险物品的名称、性质和防范措施的书面材料提交承运人。

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。

He became prime minister in 1997 and won international acclaim for his role in the Northern Ireland peace process.

他在1997年成为总理，并且因为在北爱尔兰的和平进程中发挥的作用受到国际社会的赞许。

Mixed Page Sorting Method Using the cuttable user model, this thesis proposes a mixed page sorting method by using cutted user model in server-side and complete user model in client-side.

隐私分级利用的混合式页面排序方法针对个性化搜索中搜索结果排序的问题，本文利用隐私可控开放的用户偏好模型，提出一个在客户端和服务器端分步进行的隐私分级利用的混合式页面排序方法。