常見例句雙語例句The mechanism of mass spectral fragmentation of six piperazine derivatives has been studied by measurement of high resolution mass spectrometry.通過高分辨質譜測定，研究六種哌嗪衍生物的質譜裂解機理。High resolution X ray diffraction (HRXRD) and secondary ion mass spectrometry (SIMS) are combined in determining the nitrogen contents in the samples.利用高分辨X射線衍射與二次離子質譜測試方法確定了材料中氮的組分。They also separated out the DNA from the bacteria and analyzed its composition using a technique called high-resolution secondary ion mass spectrometry; the isolated DNA contained arsenic.然後他們從細菌中提取出DNA，利用高解析二次離子質譜技術分析了其中的化學組成，發(fā)現(xiàn)DNA中也含有砷。權威例句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 返回 high resolution mass spectrometry