Thoron

用法例句

The daughter nuclides of radon and thoron tend to become attached.

氡和钍射气的子体易被气溶胶吸附。

A radioactive isotope of thorium with mass number228.

射钍钍的放射性同位，质量数为

Either of two decay products of thorium, mesothorium I, an isotope of radium, or mesothorium II, an isotope of actinium.

新钍钍的两种放射性生成物之一，即新钍1号，它是镭的同位素，或新钍2号，它是锕的同位素

a radioactive mineral consisting of thorium silicate; it is a source of thorium that is found in coarse granite.

一种放射性矿物，由硅酸钍组成，是钍的来源，见于粗糙的花岗岩中。

Regulations for safe management of radioactive wastes from the mining and milling of uranium and thorium ores

GB14585-1993铀、钍矿冶放射性废物安全管理技术规定

RESEARCH ON SOLVENT EXTRACTION PROCESS FOR REPROCESSING OF Th-U FUEL FROM HTGR

高温气冷堆钍铀燃料后处理溶剂萃取工艺研究

Other radioactive elements have been discovered since: actinium, radiothorium and mesothorium, ionium, etc.

自那以后发现的其他放射性元素有：锄、放射性钍和新针、镍，等等。

Determination of Rare Earth Elements and Thorium in RE-Nb-Ta Ores by Inductively Coupled Plasma-Atomic Emission Spectrometry

电感耦合等离子体发射光谱法测定稀土铌钽矿中稀土元素和钍量

RADIOTHORIUM CONTAMINATION TENDENCY AND CONTROL MEASURE FOR BAOTOU STEEL FACTORY TAILING DAM

包钢尾矿坝周围土壤放射性钍污染趋势及其防治措施研究

U,Cu,Pb,Zn and Tu in 1:50000 regional geochemistry sample by scattering background internal standard method

散射背景内标法测定1:5万区域地球化学调查样品中铀、铜、铅、锌、钍

determination of mass concentration of sulphur dioxide in ambient air (thorin spectrophotometric method)

环境空气中二氧化硫质量浓度的测定-钍试剂分光光度测定法

Study on Radio-Thorium Nuclides Transfer Process and Its Radiation Effect on People;

稀土材料开发中放射性钍的迁移规律及其对人体所致辐射剂量研究

a soft silvery-white tetravalent radioactive metallic element; isotope 232 is used as a power source in nuclear reactors; occurs in thorite and in monazite sands.

一种软质、银白色、放射性四价金属元素，同位素用作核反应能源，见于钍矿和独居石沙中。

a highly unstable radioactive element (the heaviest of the halogen series); a decay product of uranium and thorium.

一种极不稳定的放射性元素（卤素系列中最重的一种），铀和钍腐烂的产物。

protactinium-231-thorium-230 dating

镤-231钍-230测年法

air jet and fluid jet

空气射流与液体射流

fertile thorium 232.

能产生裂变物质的钍232

thorium uranium deuterium zero power reactor

重水零功率钍 铀反应堆