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- niobium isotope 铌同位素
- A radioactive isotope of carbon, especially carbon 14. 放射性碳碳的一种放射性同位素，尤指碳14。
- A black mineral is an ore of niobium and tantalum. 一种黑色矿物是铌、钽矿石。
- Application: For niobium sheet and wire etc. 用途:产品用于生产铌片,丝等加工材。
- The symbol for the isotope deuterium. 氘的化学符号同位素氘的符号
- For niobium powder and superconductors. 铌粉,超导原材料。
- Niobium oxides are favorable promoter and Support. 铌氧化物是优良的促进剂和良好的载体。
- Its most common form, or isotope, has 146 neutrons. 它最常见的形式或者同位素有146个中子。
- IS ~(40)Ca_(20) A STABLE ISOTOPE? ~(40)Ca_(20)是否稳定?
- Simmons: Get me a sample and some isotope readings. 弄些样本和同位素读数。
- Isotope shifts and hyperfine structure spectrum[J]. 引用该论文 马洪良.
- Changes of nuclear mass and nuclear size cause isotope shifts. 原子核质量和大小的不同引起同位素移动。
- The isotope ratio is directly used for comparing oils or gases. 同位素比率直接用于比较各种石油或天然气。
- Use of copper welding, the welding wire with niobium as the media. 选用铜焊，在焊接时用铌丝作媒介。
- I also wish to know about the Reactor Grade Niobium sheet. 我并且希望知道关于反应器等级铌板料。
- An hour later the next lighter stable isotope, xenon 134, appeared. 一小时之后，略轻一点的稳定同位素氙134出现。
- This indium isotope was created at the same time as the earth. 这种铟同位素与地球产生在同一时代。
- Niobium is the metallic element with the highest transition temperature. 铌是转变温度最高的金属元素。
- The most abundant isotope of hydrogen,H1,with atomic mass1. 氘氢的数量最丰富的一种同位素，H1，原子质量为1。
- The atmospheric helium isotope ratio: Is it changing? 大气氦同位素比率在变化吗?
