金属时代

  • 网络the metal age
金属时代金属时代
  1. 金属时代

    Times of the metal

  2. 早在裸金属支架时代,就曾报道过3%的亚急性血栓发生率。

    In the early days of bare-metal stenting , there was a3 % subacute thrombosis rate reported .

  3. 由于Re,Os独特的地球化学性质,Re-Os同位素体系可以用来确定特定矿床的形成年龄,特别为金属矿床形成时代的研究开辟了新的途径。

    Re-Os isotopic system is a widely used method in earth science researches since 1990 's , the u-nique characteristics of Re-Os isotope make it possible to determine the age of some special kinds of ore de-posits , especially the age of metallic ore deposit .

  4. 粤北连平地区钨锡多金属矿床成矿时代研究

    Metallogenic ages of tungsten-tin polymetallic deposits in Lianping area , northern Guangdong Province

  5. 管道工程中,塑料给水管取代金属给水管是时代发展的需求。

    In the pipe engineering , replacing the metal water-supply pipe with the plastic water-supply pipe is the requirement of the development of the times .