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- uranium lead age 鈾 鉛年齡
- lead uranium age method, Pb-U dating 鉛鈾年代側定法
- Keywords thermal ionization mass spectrometry (TIMS);uranium series age method;carbonate; 熱電離質譜;鈾系法;碳酸鹽標樣;
- Based on the mechanism of catalyst deactivation at high temperature, the effect of accelerated aging method on deactivation was studied. 基於催化劑高溫失活機理,分析了不同快速老化方法對催化劑劣化強度的影響。
- uranium lead method 鈾 鉛法,鈾鉛法
- Radium and uranium are radioactive elements. 鐳和鈾是放射性元素。
- The horse forged ahead the lead in the homestretch. 那匹馬在最後階段突然加速跑到前面。
- Shirley will try out for the lead in the play. 雪莉將參加該劇主角的選拔演出。
- An AGE Method for Solving Diffusion-Convection Equation 求解對流擴散方程的一類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. 針對石化裝置中壓力容器管線、蒸汽管道常用的20號鋼,採用加速時效方法模擬了其組織狀態的變化。
- Excessive patriotism can lead to xenophobia. 愛國主義過了頭即可導致仇視一切外國人。
- 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. 本文首先闡述了實施催化轉化器快速老化方法的重要意義和研究概況,然後簡要介紹了快速老化試驗設備和試驗程序。
- Lead aprons shield people from radiation. 鉛做的工作裙可使人免進輻射。
- Graphite is used in making lead pencils. 石墨常被用來做成鉛筆。
- Lead will fuse at quite a low temperature. 鉛會在相當低的溫度下熔化。
- Secular disequilibrium of uranium can lead to erroneous results. 鈾的永久不平衡會導致錯誤的結果。
- The team recovered its lead in the second half. 該隊在下半場重新領先。
- No road of flowers lead to glory. 沒有一條通往光榮的道路是鋪滿鮮花的。
- Copper has less resistance than lead. 銅的電阻比鉛的小。
- I'll take part, but I won't want to lead. 我參加,但不想當領導。