technetium

英 [tekˈniːʃiəm] 美 [tekˈniːʃiəm]

n.  锝

化学

COCA.40014



牛津词典

noun


  1. a chemical element. Technetium is found naturally as a product of uranium or made artificially from molybdenum .

    双语例句

    1. Just as technetium and promethium are islands of instability in parts of the periodic table which are not normally radioactive, so many physicists believe that in the unstable part at the bottom there lies an island of stability.
      正如在周期表上本不该有放射性的部分存在着锝和钷这样的不稳定元素岛一样,许多物理学家相信,在周期表不稳定的底部区域会有一座稳定元素岛。
    2. The Correlation between Technetium~( 99m) Imaging for Visualizing Meckel s Diverticulum and Its Clinical Charectorestics; Diagnostic value of endoscopy for heterotopic gastric mucosa in the esophagus
      美克尔憩室异位胃黏膜核素显像特点与临床特征相关性分析内镜检查对食管胃黏膜异位的诊断意义
    3. Technetium resembles platinum in appearance and manganese and rhenium in chemical behaviour.
      鎝在外观上像铂,而化学行为像锰和铼。
    4. Engineers are currently planning a two-stage ion exchange process to extract radioactive cesium and technetium from the soluble part of the alkaline tank waste.
      工程师目前正在规划一个两阶段离子交换过程,将具有放射性的铯与从碱性的废料溶液中萃取出来。
    5. Technetium was discovered in certain cool stars.
      锝是在一些冷却的星体上发现的。
    6. Study of sorption of technetium on pyrrhotine
      锝在磁黄铁矿上的吸附行为和机理的研究
    7. Methods In 42 patients with Hp-positive chronic gastritis, using nuclide method with technetium sulfide colloid label and 13 CO 2 octanoic Acid Breath Test were used to test the gastric emptying of solids.
      分析幽门螺杆菌与胃排空相关性。方法:用13CO&辛酸呼气试验法和硫化锝胶体标记的核素法检测42例HP阳性慢性胃炎患者胃固体排空。
    8. MEASUREMENT OF TECHNETIUM IN THE SPENT FUEL Flammability Analysis of Diesel Vapor by GC-MS
      反应堆辐照元件中锝的测定色质联用研究柴油蒸汽的可燃性
    9. Purification and 99m Technetium labeling of low density lipoprotein as a targeting carrier of antitumor drugs
      抗癌药物靶向载体低密度脂蛋白的提取和~(99m)锝标记
    10. Study on solvent extraction behavior of technetium with TBP
      锝的TBP萃取化学行为研究
    11. Configuration of five coordinated rhenium and technetium compounds
      锝、铼五配位化合物的构型
    12. Study of technetium chemistry& ⅰ. the general rule of stability for structures of technetium compounds
      锝化学研究&Ⅰ.锝化合物的结构稳定性规律
    13. Studies of sorption of radioactive technetium on antimony-containing minerals
      放射性锝在含锑矿物上吸附行为和机理的研究
    14. Distribution ratio of technetium between AG1 × 4 anion-exchange resin and exchange aqueous solution containing different concentration of nitrate and nitric acid is determined.
      测定了在不同硝酸根浓度和酸度下,锝在树脂相和水相间的分配比,求出了硝酸根和高锝酸根在阴离子交换树脂上的交换平衡常数以及高锝酸的离解平衡常数;
    15. Applied value of technetium-~ ( 99m) MIBI myocardial resting perfusion imaging in children with kawasaki disease
      ~(99m)Tc-MIBI心肌静息显像在川崎病中的应用价值
    16. In order to look for some geologic materials that can retard technetium and iodine on them.
      为了寻找能阻滞锝、碘迂移的地质材料。
    17. The work has researched in adsorption and desorption of iodine and technetium on brass ore, lead glance, rare-earth hematite, antimony glance, molybdenite and iron pyrites and so on.
      本工作研究了黄铜矿,方铅矿、稀土赤铁矿,辉锑矿,辉钼矿,黄铁矿等六种矿物对碘和锝的吸附和解吸。
    18. Data Warehouse ( DW) is a kind of technetium technical project that can solves this question, it stores the data and manages the resource by the means of traditional DB technology, and structure the unified data platform for DSS.
      而数据仓库技术(DW)正是这样一种解决问题的技术方案,它以传统的数据库技术作为存储数据和管理资源的基本手段,面向决策支持系统构建统一的数据平台。
    19. Oxygen atom coordinated technetium complexes ⅰ the structure and properties of technetium(ⅴ) compounds with oxygen multidentate ligands
      氧齿配体锝配合物Ⅰ.氧多齿配体锝(Ⅴ)配合物的结构及其性质
    20. The chemical behaviour of zirconium, molybdenum, niobium and technetium is observed in the process.
      观察了锆、钼、铌和锝在形成界面物过程中的化学行为,在低于2mol/L的硝酸溶液中,钼会进入界面物中。
    21. Screening of sorption materials for radioiodine and technetium
      吸附放射性碘、锝材料的筛选
    22. A study on the oxidation states of technetium in~ ( 99) tc-hmdp by pulse polarography
      ~(99)Tc-HMDP中~(99)Tc的氧化态的脉冲极谱研究
    23. The sorption behaviour of technetium in different soils has been studied by batch experiments under aerobic conditions.
      在有氧条件下,用静态实验法研究了放射性核素~(99)Tc在各种土壤中的吸附行为,并研究了土壤的特性和土壤平衡水的pH和Eh值。
    24. The adsorption research of technetium and iodine in some mineral
      锝和碘在矿物上的吸附研究
    25. The method for technetium was very selective, and for ruthenium its decontamination power was high.
      方法对得的选择性高,对钌的去污能力强。
    26. Recovery of technetium from spent nuclear fuel reprocessing waste solution by ion exchange method
      离子交换法从核燃料后处理废液中提取锝
    27. A review of behaviours of Molybdenum and Technetium is given.
      对钼和锝也作了评论。
    28. Study on the trend of technetium and influence factors in Purex Process
      Purex流程中Tc的走向及其影响因素的研究
    29. STUDY OF TECHNETIUM CHEMISTRY ⅱ. application of the cone packing model to TECHNETIUM CHEMISTRY
      锝化学研究&Ⅱ.空间堆积模型在锝化学中的应用

    英英释义

    noun

    1. a crystalline metallic element not found in nature

        Synonym:    Tcatomic number 43