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- Its stucture was investigated through IR,1H 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。
- Meanwhile, MS peaks with +3, +4, +5, +6 and +7 charges were formed in mass spectrum under the ESI positive scan mode. 同时在ESI正离子全范围扫描中主要形成带有+3、+4、+5、+6、+7等不同电荷数的质谱峰。
- Dipentene of different origin were analysed by GC-MC and computer autometic request mass spectrum. 采用气质联用仪，微机图谱自动检索对不同来源的双戊烯的化学组成进行了分析。
- 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。
- The HPLC was subjected to gradient elution and negtive 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。
- The application of FAB-MIKES mass spectrum to the determination of amino acid sequenceof peptides was reported. 本文报道了用快原子轰击与质量分离离子动能谱(FAB-MIKES)技术测定三个多肽(七肽、八肽和九肽)中氨基酸的顺序。
- Multiphoton ionization mass spectrum of ammonia-methanol complex cluster and ab initio calculation[J]. 引用该论文 许明坤;张树东;孔祥和;蔡廷栋;姜素蓉.
- The selection of the desired species(element, isotope, and charge state)is certified by the signature of the entire mass spectrum. 所需物质（元素、同位素及电荷态）的选择，被全部质谱的信号特征所证实。
- Through tandem mass spectrum, the results show that heteromorphic leaves are different in photosynthesis and respiration. 通过对差异蛋白点的串联质谱鉴定，发现异形叶在光合及呼吸作用方面存在差异。
- O-chlorophenol/water mixed clusters were studied using both laser multiphoton ionization mass spectrum and supersonic pulsed molecular beam technique. 应用激光多光子电离质谱与超声脉冲分子束技术研究邻氯苯酚-水的混合团簇。
- Several byproducts in alkylbenzene sulfonic acid were separated through column chromatography and identified by mass spectrum(MS). 采用柱层析法分离出了烷基苯磺酸中的杂质，并采用质谱法对这些杂质进行了定性。
- UV Laser MPI Spectra and TOF Mass Spectra of Tetramethylsilane[J]. 引用该论文 施德恒;熊永建;陆庆正;余枝广;马兴孝;孔繁敖.
- UV laser MPID time-of-f light mass spectra study on Oxirane[J]. 引用该论文 钱谊乐;方黎;郑海洋;赵亚萍;吴存恺;余技广;秦启宗.
- The experimental molecular mass (8572.0 Da) obtained by electrospray mass spectrum showed that the protein is uniformly labeled above 99 %. 电喷雾质谱确定了纯化后的蛋白质的分子量为8572.;0 Da，说明该蛋白质得到均一标记（标记率达到99%25以上）。
- Phase distributions of heavy metals in pyrite were analyzed by inductively coupled plasma mass spectrum with sequential extraction procedure. 以分级提取-电感耦合等离子体质谱考察了黄铁矿中重金属的相态分布。
- Rear earth element determination in tea by inductively coupled plasma mass spectrum...to determine fifteen rear earth elements simultaneously.... 茶叶中稀土元素的电感耦合等离子体质谱检测方法研究-相关信息...
- De novo sequencing provides proteomics research work a new method to interpret tandem mass spectrum data without any help of protein sequence databases. 从头测序为蛋白质组研究提供了一种不用借助于任何蛋白质序列数据库信息,直接解读串联质谱数据的方法。
- A cloud is a mass of vapor in the sky. 云是天空中的水汽团。
- Mass spectra of multiphoton ionization of water/methanol clusters[J]. 引用该论文 姜素蓉;张树东;孔祥和;许明坤;蔡廷栋.
- The results showed that the molecular ion peak of Aris A A is rather strong in the mass spectrum,the detection limit is 5 ng(signal to noise ratio=10). The sensitivity is high enough to determine Aris A A in CTPM. 测定结果表明;马兜铃酸A的质谱有较强的分子离子峰;最低检测限为5 ng(信噪比等于10);可以满足对中成药中马兜铃酸A测定之要求.
