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- This paper reports the electron ionization mass spectra(EIMS)of eight 2,4,6trisubstituted pyrimidines derivatives. 本文报道了8个2,4,6-三取代嘧啶衍生物的电子轰击电离质谱。
- Methods For further study on it, the mass spectrometry techniques of electron ionization mass spectrometry(EI-MS) and electron spray ionization mass spectrometry(ESI-MS) were used for the elucidations of the structure and fragmentation pathway of TC. 方法采用电子轰击质谱(EI-MS)、电喷雾电离质谱(ESI-MS)2种质谱技术分别对TC的结构和裂解途径进行实验。
- In 2002, we develop Photo-catalyst &electronic Ionizer Air Purifier. 2002年以光触媒及电子式离子发生器技术;发展空气净化器.
- electronic ionization coefficient 电子电离系数
- electron ionization mass spectrometry 电子电离质谱分析
- electron ionization mass spectrum 电子电离质谱
- electron ionization mass spectrometry(EI-MS) 电喷雾电离质谱(ESI-MS)
- High performance liquid chromatography (HPLC) and electron ionizing mass spectrometry ( EI-MS) were used to analyze the oily contaminant in continuous tinplating electrolyte. 高速镀锡电解槽液表面常会出现"油污"现象,严重影响了镀锡件的产品质量,增加了原料消耗和镀液排放量。
- Helen became an electronic engineer. 海伦成了一名电子工程师。
- An unwanted false electronic pulse. 一种不希望有的假电子脉冲。
- Ionization energy (ie) 3.894 electron volts. 电离能3.;894电子伏特。
- This dictionary is available in electronic version. 这部词典有电子版。
- Let's have a look at your electronic computer. 让我们瞧一瞧你们的电子机算机。
- The machine is operated by an electronic pulse. 这台机器由电子脉冲信号操纵。
- I like to read books on electronic music. 我喜欢读一些关于电子音乐的书。
- An electronic device amplified the speaker's voice. 电子设备放大了演讲人的声音。
- The transmitter was pulsed by an electron tube. 电子管使发射器产生脉冲波。
- A high-pitched electronic sound; a bleep. 高音电子声音; 短促的尖音信号
- Analysis of Cryptotanshinone by Electron Spray Ionization Mass Spectrometry and Electron Ionization Mass Spectrometry 隐丹参酮的电子电离和电喷雾电离质谱分析
- The firm is Britain's main producer of electronic equipment. 该公司为英国主要的电子设备制造厂家。