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- abundance ratio of isotopes 同位素相对丰度,同位素的相对丰度
- Determination of Isotope Abundance Ratio of Lead in Beijing Atmospheric Aerosol and Lead Source Study 北京冬季大气颗粒物中铅的同位素丰度比的测定和来源研究
- The abundance ratio of D/H reaches 30% from 0.1%, and more than 90% from 10%. D浓度为0.;1%25的样品经装置浓缩后得到D浓度为30%25的产品;贫化部分D浓度小于10?5;
- By this method the magnitude of isotope shift, isotope abundance ratio, Lorentz width and Doppler width of the spectral profile can be deduced. 由此可获得同位素效应的光谱线位移量、同位素的丰度比及其光谱线的洛仑兹宽度与多普勒宽度。
- Therefore, even the ratio of the abundance ratio of the two essential standards reaches 5,the relative derivation of results determined by the two methods as mentioned above is much less than 0.01%. 这样，即使在2个基本标准的丰度比的比值达到5的条件下，2种方法的标定结果的相对偏差远小于0.;01%25。
- Surprisingly for astronomers and nuclear physicists, the abundance ratios of thorium to other heavy elements are very similar to ratios found for Milky Way stars. 出乎意料的天文学家和核物理学家丰比率钍等重元素非常相似比率发现银河系恒星.
- The ratio of students to teachers is 35:1. 学生和老师的比率是三十五比一。
- The ratio of schoolboys to schoolgirls is 2 to 1. 男学生和女学生的比例是2比1。
- Men outnumber women here in the ratio of three to one. 此地男子数量以三比一超过女子。
- The two series have different types of phenocryst, chemical composition, trace element pattern and ratio of isotopic element, but they show similar REE patterns. 两者在斑晶类型、主元素和微量元素丰度和同位素比值等方面都存在区别,但显示了相同的稀土元素分配型式。
- The ratio of men to women was two to one. 男女的比例是二比一。
- Measurement of Isotopic Element Rb's Abundance Ratio with Optical Pumping Magnetic Resonance Method 光泵磁共振法测量同位素铷的丰度比
- The ratios of 1 to 5 and 20 to 100 are the same. 1与5之比和20与100之比相同。
- The strike is the ultima ratio of Trade Unionism. 罢工是工联主义的最后手段。
- This is the prime ratio of the nascent increments. 这是最初增量的最初比。
- Compression ratio of the server input data stream. 服务器输入数据流的压缩比率。
- Compression ratio of the server output data stream. 服务器输出数据流的压缩比率。
- Low utilization ratio of healthcare resources. 卫生资源利用效率不高。
- Analysis of Isotopic Abundance Ratios in the Li Sample Solution by Multicollector-Inductively Coupled Plasma Mass Spectrometry 多接收电感耦合等离子体质谱法测量分离样品中Li同位素丰度比
- Exhibiting a high ratio of output to input. 功效大的产出与投入比值高的
