The principle, the influential factors and the utilities of energy resolution mass spectrometry have been reviewed in this paper.

本文概要综述能量分辨质谱的原理、影响因素及其应用。

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The mechanism of mass spectral fragmentation of six piperazine derivatives has been studied by measurement of high resolution mass spectrometry.

通过高分辨质谱测定，研究六种哌嗪衍生物的质谱裂解机理。

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Through high-resolution mass spectrometry and two-dimensional NMR spectroscopy, the invention determines the chemical structure of the compound.

采用高分辨质谱和二维核磁共振谱等光谱技术，确定了该化合物的化学结构。

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At the UN, Russia and the US are locked in frantic discussions about a tough new resolution to force Mr Hussein surrender weapons of mass destruction.

BBC: Russian firm fights for Iraqi oil rights

Remember, though, that Security Council resolution 1441 does not require that actual weapons of mass destruction have to be found in Iraq before Iraq is in breach.

BBC: Analysis: Iraq tensions rise

Using a combination of modern physics tools--including three-dimensional, high-resolution X-ray, radiocarbon dating with accelerator mass spectrometry, and infrared spectroscopy--the researchers analysed the tooth to determine the age and composition of a resinous filling detected inside.

UNESCO: Basic Sciences