钍
- 名thorium ;th
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一种放射性金属元素,灰色,质地柔软,经过中子轰击,可得铀233,因此它是潜在的核燃料。
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低Mu敷钍灯丝结构
Low MU Thoriated Tungsten filamentary heating structure .
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用~(234)Th为产额示踪剂、分光光度法测定环境水中钍的浓度
Determination of thorium in environmental waters using 234 th as yield tracer
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X射线荧光光谱法测定富含稀有元素矿物中的铌钽锆钍
Determination of Nb , Ta , Zr and Th in the Rich-Rare Elements Mineral By X-Ray Fluorescence Spectrometry
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钍(IV)-EDTA-氨基酸三元体系混合配合物研究
Research on Complex Compound of Thorium ( IV ) - EDTA-Amino Acid System
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Kalman滤波分光光度法用于同时测定废水中的钍及镧
Simultaneous Determination of Thorium and Lanthanum in Waste Water with the Use of Kalman Filter-Spectrophotometry
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锌试剂用作钍的EDTA滴定的指示剂
Zincon as an indicator for the EDTA titration of thorium
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本文叙述了用厚源α计数技术测定TL和ESR年代中钍系和铀系年剂量的原理和方法。
The thick source alpha counting in TL and ESR dating is described .
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钙钍掺杂YBCO超导体中的载流子浓度
Carrier Density in YBCO Superconductors Doped by Ca and Th
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实验结果表明,经上述工艺处理后废纱罩的除钍率达99.97%,残留钍含量小于160Bq/kg,可作为一般废物用土埋或其他方法处理;
After handling , the thorium removal rate can reach 99.97 % and the residual thorium will be less than 160 Bq / kg .
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ICP-MS在土壤中痕量钍分析中应用
The Application of ICP-MS to Determination Thorium in soil
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采用X射线荧光光谱法,以铑靶的康普顿散射线强度为内标,测定了铁矿石选矿流程样品中的铌和钍。
The Nb and Th in iron ore from the beneficiation process were measured with XRFS , by using the Compton Scattered_light intensity of Rh_target as internal standard .
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γ谱法和ICP-MS法测定黄土样品中铀、钍含量的比较
Determination of uranium and thorium contents in loess by Gamma-ray (γ) spectrometry and ICP-MS
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测量了钙钍掺杂的多晶YBCO超导体的低温霍尔系数RH、霍尔电阻率ρH及其随温度T变化的特性。
The Hall coefficients and longitudinal resistivity of ( Ca , Th ) doped YBCO superconductors were measured in the normal state .
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ICP(水平式)-AES测定铀和铀化合物中微量钍及全稀土杂质元素
Determination of micro thorium and total rare earth impure elements in uranium compound by icp ( level ) - aes
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TOPOTBP萃淋树脂分离钍、铀的研究
A study on separation of thorium and uranium with topo tbp containing resin
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TOPO萃取光度法连续测定地球化学样品中的铀和钍
TOPO Extraction-Photometric Method for Simultaneous Determination of Uranium and Thorium in Geochemical Samples
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新试剂偶氮胂HCS用于海产品中微量钍的测定
Photometric determination of thorium in seafood with a new reagent arsenazo-hcs
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压水堆加钍(ThO2)六角形组件堆芯物理特性的初步探讨
Preliminary study of physical properties for hexagon lattice PWR Core Using thorium
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在酸性条件下,pH的变化对铅、钍金属离子吸附影响较大,而对钴离子的吸附影响不明显;
At acid conditions , the influence of pH value have intense effect on lead and thorium ions ' sorption is apparently and little effect of pH on cobalt ion sorption is achieved .
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提出了一种可应用于钍基先进CANDU型反应堆(TACR:Thorium-basedAdvancedCANDUReactor)压力管与排管间的非能动热开关设计方案。
The paper presents a design of passive heat-switch between pressure tube and calandria tube of Thorium-based Advanced CANDU Reactor ( TACR ) .
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呼吸道吸入天然钍(ThO2)和稀土矿尘联合作用的研究
Combined effects of thorium dioxide and thorium containing rare earth iron ore dust
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PMBP的铀、钍、钆络合物与TOPO协萃体系的热化学
Thermochemistry of u , th , Gd complexes in the pmbp-topo synergistic system
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用离子交换法从铀中分离钍-234(UX1)的初步结果
Seperation of th-234 ( ux_1 ) from uranium by ion exchange method
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自然伽马能谱测井不仅能测量地层中的总自然伽马含量,还能测量地层的无铀伽马(KTh)含量及铀(U)、钍(Th)、钾(K)含量。
Natural gammaray spectrometry log can not only provide the total gammaray of formation , but also the contents of KTh , U , Th and K.
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针对HTGR钍、铀燃料元件高燃耗、~(232)U含量高的特点提出了酸式进料的单循环溶剂萃取流程,并进行了串级实验。
For reprocessing high burn-up fuel from HTGR , a single cycle process by solvent extraction with acid feed solution is suggested .
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钍基先进CANDU堆燃料循环方式研究
Research on Fuel Cycle of Thorium Advanced CANDU Reactor
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TOPO-TBP萃淋树脂在盐酸、硝酸溶液中萃取铀、钍平衡常数的测定
Determination of Equilibrium Constant of Uranium or Thorium on TOPO-TBP Extracting Resin in Hydrochloric or Nitric Acid Solution
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以DBN-偶氮胂作为微量钍的分光光度测定的显色剂。
The application of DBN-arsenazo in determination of trace thorium was described .
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研究了复合膜的紫外-可见光透过性能和二氧化钍与三氧化二钕的掺杂量、十二烷基苯磺酸钠水溶液的pH值等因素对光解率的影响。
The effect of the ultraviolet-visible light transmittance , doping amount of thorium dioxide and neodymium sesquioxide , pH value of the aqueous solution of sodium dodecyl benzenesulfonate and some other factors on the photodegradation rate were studied .
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应用原子吸收分光光度计对胡椒基荧光酮与钍(IV)的显色反应条件进行了研究,体系λmax为560nm,ε为1.12×105L·mol-1·cm-1。
A spectrophotometric method of determining the color reaction of thorium ( IV ) with piperonyl fluorone is studied by an atomic absorption spectrophotometer .