The feature of their ion trap mass spectrum is also discussed.

本文讨论了它们的离子阱质谱特征.

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Its stucture was investigated through IR, 1 H NMR and mass spectrum.

用红外光谱 、 核磁共振氢谱和质谱推测了产物的结构.

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Thermal degradation of polystyrene was investigated with thermogravimetry - mass spectrum analysis ( TG - MS ) .

采用热重质 谱 法研究了 聚苯乙烯 的热降解过程.

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Aim : To determine the mass spectrum and the mass spectrometric decomposition process of azodiisobutyronitrile.

目的: 确定偶氮二异丁腈的质谱图及其质谱碎裂机理.

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A new method was established for the determination of Para Red in hot chilli chromatography - mass spectrum.

研究了固相萃取 - 气质联用测定辣椒油中对位红的分析方法.

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Fig. 4 Compared the mass spectrum of 3 - hydroxy - androstan - 17 - one in samples ( red ) with standard reference's ( blue )

图4样品中 3- 羟基 - 雄甾-17-酮与数据库标准质谱图的比较.

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The HPLC was subjected to gradient elution and negative ion mode was adopted in mass spectrum.

高效液相色谱用梯度洗脱,质谱用负离子模式.

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Studying their mass spectrum may offer illumination for nuclear agent - defeating mechanism to some extent.

解析其质谱,对研究核除剂机理具有指导意义.

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The structure of production was validated by mass spectrum, infrared spectrum, Magnetic resonance spectrum.

得到的产品经由质谱 、 红外光谱 、 核磁共振谱确认结构正确.

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