1.The mass spectra of ureide-type noncyclic polyethers with 2(3H)-benzoxazolone as end groups were studies.
研究了以2（3H）-苯并唑酮为端基、具有酰脲结构的非环多醚化合物的质谱。
2.The triphenylamine azo compounds were successfully characterized by matrix-assisted laser desorption-ionization time of flight mass spectrometry(MALDI-TOF MS).
利用基质辅助激光解吸电离飞行时间质谱法分析三苯胺偶氮化合物。
3.Objective:To develop a GC-MS approach for the determination of tripropyltin(TPrT),tributyltin(TBT) and triphenyltin(TPhT) in fish.
建立水产品中三丙基锡、三丁基锡和三苯基锡的气相色谱-质谱(GC-MS)分析方法。
4.The deleterious ingredients in gas emission of sculpturing organic glass were studied,using gas chromatography-mass spectrometry coupled with 3-step preconcentrator.
研究了3阶段预浓缩气相色谱-质谱法检测有机玻璃雕刻过程中排放的有害气体的组成。
5.Besides, laser optoacoustic spectroscopy technique and laser mass spectrometry will play more important role in research of internal combustion engine.
另外，激光光声光谱技术、激光质谱有内燃机的研究中发挥更大的作用。
6.Dodecanol abietate succinic anhydride was synthesized from abietic acid.The structures of products were characterized by spectrum of IR，HNMR and MS.
7.In this paper ten lactonic crown ethers weresynthesized, of which seven were new compounds.Theirstructures were confirmed by EA,IR,1HNMR andMS analysis.
8.The controls were homeochronous inpatients with affective disorder and normal individuals.lsoprene breath levels were measured by gas chromatography combined with mass spectroscopy(GC-MS).
用气相色谱一质谱联用检测其呼出气体中异戊二烯的浓度。
9.Desorption chemical ionization mass spectrometry of twelve metallohematoporphyrin complexes has been investigated under DEP condition using mixture of tetramethylsilane and methane as regent gas.
本文以四甲基硅烷／甲烷混合反应气，采用DEP技术，测定12个金属血卟啉络合物的解吸化学电离质谱。
10.Based on these results and the ESI-MS data, the mechanism of sulfoxidation was proposed to be intramolecular nucleophilic oxygen transfer to a coordinated sulfide.
11.The oils were analyzed by GC-MS and percentages were obtained by normalized peak areas, where main components are nootkatone, D-limonene, osthole, cis-linaloloxide, furfural, and trans.
12.RESULTS The chlortetracycline's epimer, tetracycline and its epimer, as impurities in chlortetracycline have been determined by the liquid chromatogram and its first order mass spectrum.
13.Uranium isotope abundance ratio has been measured by total sample evaporation and signal integration,and a thermal surface ionization mass sepctrometry equipped with multicollector has been used.
采用全蒸发技术、离子流强度积分的方式,用多接收器热表面电离质谱计测量铀同位素丰度。
14.The content of free acetic acid in cigarette smoke condensates was determined by GC-MS with isopropyl alcohol as the solvent and nonanol as the internal standard.
15.In this review,we described the recent development of mass spectrometry techniques for the study of peptidase structure and function in the central nerve system of Aplysia and other mollusks.
雕刻过程中排放的有害气体的组成。
有
