With in-source collision induced dissociation (CID) and exact mass measurement, the differences between the calculated mass and the theoretical mass of all compounds and fragments were less than 2.
对经过液相色谱分离后的化合物进行源内碰撞诱导裂解(CID)，并对化合物及其碎片离子进行精确质量测定，测定质量与理论质量之间误差不超过2。
Working out an animal's mass from the size of its bones is not, of course, an exact science.
通过其骨骼尺寸计算出动物体重当然不是严密的科学。
The annealed RNA duplex is further analyzed by mass spectrometry to verify the exact composition of the duplex.
退火的RNA双链通过质谱分析来证实其精确的组成。
Use the way with peak data taken by stepped processing to get more exact and scientific results during data processing for evaluating electron charge and charge mass ratio.
在电子电量与荷质比测定实验的数据处理过程中，采用分步处理取峰值的方法，使结果更准确、更科。
An exact solution is presented for the problem of a harmonic oscillator with variable mass.
本文给出了变质量谐振子的精确解。
In the real world, however, all kinds of mass-produced equipment will be interconnected and exact matching of these impedances at inputs and outputs cannot be reasonably expected.
实际中，各种大批量生产的互连设备，不能过度期望其输入输出阻抗都能做到精确匹配。
This resolved the problem of axial split-image in mass exact setting and improved the precision up to twice than the former.
解决了大型精密安装的轴向合像问题，并可将瞄准精度提高一倍。
The annealed RNA duplex is further analyzed by mass spectrometry to verify the exact composition of the duplex.
退火的双链rna进一步通过质谱分析来验证双链复合体的确切成分。
The method including the process of extraction chromatography and the mass spectrum measurement for the exact analysis of micro neptunium in the existence of large quantity of uranium is established.
建立了准确测定常量铀中微量镎的方法。方法包括萃取色层法分离和质谱法测量。
For all their efforts, those seeking to mass-produce children in this way, as well as others who seek an exact copy of someone else, would almost certainly be disappointed in the end.
对于那些寻求以此种方式大批量生产孩子的人，或者对于那些想复制他人的人来说，他们的一切努力最终会让他们失望的。
The results showed that for this experimental system the particle-fluid mass transfer almost controls the overall rate, the approximate solutions fit the exact solution.
结果表明：本实验系统中传质过程接近于外扩散控制，近似解与精确解吻合较好；
The results showed that for this experimental system the particle-fluid mass transfer almost controls the overall rate, the approximate solutions fit the exact solution.
结果表明：本实验系统中传质过程接近于外扩散控制，近似解与精确解吻合较好；
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