mass spectrometer造句
31. The performance of contaminated SJX-1 quadrupole mass spectrometer studied in detail in our experiment.
32. The performance of a Quadrupole Mass Spectrometer is affected closely by its quadrupole field.
33. They grow their bacteria on a stainless steel plate, and use a laser to vaporise their signalling molecules, feeding these into a mass spectrometer to catalogue the molecules present.
34. A union operation method of chromatograph mass spectrometer was applied in analyses of volatile oil compositions in flowers and leaves of Radix Ginseng.
35. The quadrupole mass spectrometer is therefore applied to the high-power klystron to record the residua.
36. A quadrupole mass spectrometer used during launch vehicle testing and launching is given, and the trend of spacecraft leak monitor...
37. Method The fatty oil from Carum carvi L was extracted by ligarine petrum and analyzed by capillary gas chromatograph mass spectrometer(GC-MS) method.
38. The mass spectrometer technology has the ability to detect them in the mean time.
39. The generality is high. In principle, it can be used to combine with the quadrupole mass spectrometer made at home and abroad, and as general microcomputer itself.
40. The helium mass spectrometer leak detecting technology for a large vacuum chamber with the complex construction is described. Some problems in operation are shown and analyzed.
41. This article briefly describes the thoughts, key points and test result of a low noise pulse amplifier used in Laser Isotope Mass Spectrometer.
42. System stability (Ss) is one of the most important specifications of the Isotope mass spectrometer (IMS). It influences the quality of the data detected by the IMS directly.
43. The chromatograph - mass spectrometer has been made, and we can start printing at any time.
44. A VUV soft ionization source was adopted in the mass spectrometer, which can avoid the formation of fragment ions and analyze volatile organic compounds in ambient air without pre-separation.
45. METHODS: The compositions of microsphere before and after sonication were determined by grade - laser ToF mass spectrometer.
46. Figure B shows a scheme of a mass spectrometer coupled to a gas chromatograph.
47. Based on these considerations, a pulsed laser probe time-of-flight mass spectrometer has been built. The configuration and the preliminary experiment will also be briefly introduced in this paper.
48. Quadrupole mass spectrometer can be used in measuring pressure of dividing and analysis composition of material.
49. The total separating size(K1) of CD4 and CH4 was detected by quadrupole mass spectrometer on line, and the relation of K1 and vary chromatographic conditions and sample volume were tested.
50. The influence of some conditions of mass spectrometer andand repeatability of the quantitative analysis are discussed.
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