mass spectrum

1. An instrument for obtaining a mass spectrum by deflecting ions into a thin slit and measuring the ion current with an electrometer.
   通过把离子偏转到狭长切口并用静电计测量离子流获取光谱的仪器。
2. 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。
3. A novel method based on convolute image representation and cross section imaging of proteomic mass spectrum is proposed to visually analyze the complicated proteomic profiling.
   针对蛋白质组质谱数据分析的复杂性，提出一种基于卷绕矩阵图像生成与断层成像原理的质谱数据可视化模式分析方法。
4. Development of Sample Preparation Methods in the Study of Polymers Using Matrix Assisted Laser Desorption/ ionization Time-of-Flight Mass Spectrum
   基质辅助激光解析电离-飞行时间质谱在高分子聚合物研究应用中的样品制备方法
5. Variance mass spectrum comparison with cervical and esophageal squamous cell carcinoma
   宫颈鳞状细胞癌与食管鳞状细胞癌患者血清蛋白质谱比较
6. Clinic Study about Bile Acids in Patients with Biliary Tract Diseases by Coupling of Ultra-fast Liquid Chromatography with Mass Spectrum
   超快速液相色谱联合质谱分析法对胆道疾病的胆汁酸分析
7. Proteomics of Adult Worm Soluble Antigen of Schistosoma Japonicum with Mass Spectrum Identification and Bioinformatics Analysis
   日本血吸虫成虫可溶性抗原蛋白质谱鉴定与生物信息学分析
8. The serum difference protein mass spectrum expression under the mobilization and immobilization state after Achilles tendon of rabbits rupture repair
   运动对家兔跟腱断裂术后血清差异蛋白质谱的影响
9. A mass spectrometer that produces a graphical representation of the mass spectrum.
   能够产生质谱的绘画表现的一种分光计。
10. Purification, Identification and Mass Spectrum Analysis of Major Allergen in Periplaneta Americana
    美洲大蠊主要变应原的鉴定、纯化及质谱分析
11. 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。
12. On the basis of results of the full wave scanning, HPLC determination and mass spectrum analysis, the molecular formulas of meilingmycin homologues had been proposed.
    经全波长扫描、HPLC和质谱分析等，推测梅岭霉素同系物的分子结构。
13. Analysis of the mass spectrum and water dissoluble components of atmospheric aerosols over Guangzhou
    广州市气溶胶质量谱和水溶性成分谱分析血管周少突胶质细胞
14. Trace elements in rice digested by microwave are detected by inductive coupled plasma atom emission spectrum and mass spectrum.
    采用微波消解法处理样品，运用电感耦合等离子体发射光谱法（ICP-AES）和质谱法（ICP-MS）测定了大米中微量元素。
15. And the product has been analysed by mass spectrum and element analysis, and its physical constants, such as boiling point, refractive index and density, have been determined.
    通过质量和元素分析手段对产物进行了初步分析，测定了其沸点、折射率和密度等物理常数，并通过了评香鉴定。
16. The molecular forms and single-charged ions in the mass spectrum of heavy water are clarified.
    分析了重水的分子组成、质谱中的单电荷离子；
17. Baryon Magnetic Moments and Mass Spectrum
    重子磁矩和重子质量谱
18. The product was confirmed by NMR and mass spectrum.
    目标产物结构经核磁共振谱、质谱确认，并测定了其中部分化合物的单晶结构。
19. Gauge-invariant Meson Wave Functions and the Meson Mass Spectrum
    规范不变的介子波函数和介子质量谱
20. Accurate position of mass spectrum peak was ascertained through mass calibration for instrument.
    对仪器进行质量校正，以确定正确的质谱峰位置。
21. The basic principle of the leakage detection technology by means of helium mass spectrum is introduced.
    简要介绍了氦质谱检漏技术的基本原理；
22. The results of mass spectrum analysis are discussed.
    讨论了质谱分析结果。
23. They were characterized by Elemental Analysis, IR, UV-Vis as well as Mass spectrum.
    并对其进行了元素分析、IR、UV-Vis光谱、质谱表征。
24. Though optimization, the optimized conditions of chromatogram and mass spectrum were determined.
    通过摸索与优化，确定了最佳色谱及质谱分析条件。
25. 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。
26. The product were confirmed by element analysis, mass spectrum,~ 1HNMR spectra, infrared spectrum and ICP emission spetroscopy, and their electron absorption spectrum and the thermal property are studied.
    并采用元素分析、质谱、核磁、ICP发射光谱及红外光谱等对目标产物进行了表征，同时研究了它们的电子吸收光谱性质和热学性质。
27. Melting point test, infrared spectrum, Raman spectrum and mass spectrum were used to confirm the structure and purity of the compounds.
    并采用熔点测定、红外光谱、拉曼光谱和质谱法对所合成的几种固定相的纯度和结构进行了表征。
28. To its constituent research we choose chromatogram and mass spectrum coupling technique to purify product and represent structure.
    其组分研究采用色谱&质谱联用分析技术对产品进行纯化及结构表征。
29. Using the mass spectrum dada analysis, we can obtain the material composition, structure and other information.
    通过对所得质谱图上数据的分析，可以获得被检测物质的组成，结构等信息。
30. 1H-NMR, mass spectrum, elemental analysis, etc. were used to characterize the functional organic molecules.
    我们对有机功能分子进行了NMR、质谱、元素分析等表征。

noun

1. a distribution of ions as shown by a mass spectrograph or a mass spectrometer