铀

• Review of the various uranium areas shows a range in provenance .
  概括各个不同的含铀区，即可得出一个来源的范围。
• In australia no exploitable uraniferous conglomerate has been discovered .
  在澳大利亚，尚未发现可开采的含铀砾岩。
• Such "noise" is undesirable in the analysis of low uranium concentration .
  这种“噪音”在分析低含量铀时应当避免。
• A combination of sources of uranium may be the most realistic postulate .
  各种铀来源的综合考虑可能是最现实的假说。
• Neutron activation analysis for uranium in soil may delineate structures .
  用中子活化分析测定土壤中的铀以圈定构造。
• Pitchblende and chalcolite are much more radioactive than uranium itself .
  沥清铀矿和铜铀云母比纯铀的放射性强得多。
• Uranium minerals also occur in the basal beds of the kombolgie formation .
  铀矿物也见于科姆波尔吉建造的基底层位中。
• The statement could be expanded to include all important u.s. uranium areas .
  这个结论还可扩大到所有重要的美国铀产区。
• Our supplies of energy are from the sun, rain, coal, uranium and hydrogen .
  我们的能量来源于太阳、雨水、煤、铀以及氢。
• The concept holds that uranium is leached by groundwater from tuffeceous rocks .
  该理论认为,来自凝灰岩的地下水淋蚀铀。