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- uranium lead age 铀 铅年龄
- lead uranium age method, Pb-U dating 铅铀年代侧定法
- Keywords thermal ionization mass spectrometry (TIMS);uranium series age method;carbonate; 热电离质谱;铀系法;碳酸盐标样;
- Based on the mechanism of catalyst deactivation at high temperature, the effect of accelerated aging method on deactivation was studied. 基于催化剂高温失活机理,分析了不同快速老化方法对催化剂劣化强度的影响。
- uranium lead method 铀 铅法,铀铅法
- Radium and uranium are radioactive elements. 镭和铀是放射性元素。
- The horse forged ahead the lead in the homestretch. 那匹马在最后阶段突然加速跑到前面。
- Shirley will try out for the lead in the play. 雪莉将参加该剧主角的选拔演出。
- An AGE Method for Solving Diffusion-Convection Equation 求解对流扩散方程的一类AGE方法
- Directing against low carbon steel No.20 commonly used for pressurized containers, pipelines, and steam conduits, the structural evolution has been simulated by adopting accelerated aging method. 针对石化装置中压力容器管线、蒸汽管道常用的20号钢,采用加速时效方法模拟了其组织状态的变化。
- Excessive patriotism can lead to xenophobia. 爱国主义过了头即可导致仇视一切外国人。
- The importance of implementing fast aging method for catalytic converter is firstly described in this paper, then the fast aging test equipment and test procedure we adopted are introduced. 本文首先阐述了实施催化转化器快速老化方法的重要意义和研究概况,然后简要介绍了快速老化试验设备和试验程序。
- Lead aprons shield people from radiation. 铅做的工作裙可使人免进辐射。
- Graphite is used in making lead pencils. 石墨常被用来做成铅笔。
- Lead will fuse at quite a low temperature. 铅会在相当低的温度下熔化。
- Secular disequilibrium of uranium can lead to erroneous results. 铀的永久不平衡会导致错误的结果。
- The team recovered its lead in the second half. 该队在下半场重新领先。
- No road of flowers lead to glory. 没有一条通往光荣的道路是铺满鲜花的。
- Copper has less resistance than lead. 铜的电阻比铅的小。
- I'll take part, but I won't want to lead. 我参加,但不想当领导。