单词 | Spectrometer |
例句 | 1. The high-resolution mass spectrometer is awaiting approval. 2. One additional device is a spectrometer to study the infrared spectra of strong point sources. 3. Then they saw Jones' underground laboratory, the neutron spectrometer and its data, which were much more extensive than theirs. 4. The X-ray spectrometer thus directs a beam of X-rays at a crystal mounted on a turntable. 5. Anomalies are resolved by the sweep spectrometer. 6. What is the net cost of the spectrometer? 7. The hardware structure of the digital spectrometer. 8. Digital spectrometer with easy expanding capability. 9. By inductively coupled plasma atomic emission spectrometer (ICP-AES) ,() the contents of the metal elements in the cuttlebone are tested to assess the toxicity. 10. This paper describes in detail how to adjust spectrometer so as to keep a strict vertical between optic axis and rotation axis of telescope. 11. Mass spectrometer plays a key role of modern analytical technology. 12. A novel mini time of flight mass spectrometer (Mini- TOFMS ) has been developed to meet the growing demands for the partial pressure mass spectrometer according to the latest TOFMS developments. 13. The broadband soft X-ray spectrometer and flat response detector are used to measure the soft X-ray spectrum and its angular distribution from the diagnostic hole on cavity target. 14. A system w1th quartz fiber, an optical spectrometer, a CCD detector and a computer was used to on-line optical spectroscopy analysis. 15. There were several subsequent contacts, with Pons seeking written information about the Brigham Young University neutron spectrometer. 16. The principle and performance of a home-made miniature photoionization ion trap mass spectrometer was introduced. 17. Both teams used a high - resolution ion microprobe and a mass spectrometer to analyze the crystals. 18. The laser pulse modulation system has been used in a picosecond time-correlated single photon counting spectrometer with perfect effect. 19. X-RAY Powder analysis, X-RAY single crystal analysis, ir analysis, mossbauer spectrometer analysis, age determination by mass spectrometer, etc. 20. This work is one of the series , which studies the lepton identificationin the BES ( Beijing Spectrometer ) in detail. 21. Using Fourier self - deconvolution ( FSD ) to enhance spectral resolution of AOTF atomic emission spectrometer is described. 22. The detector and sample box system is desirable to set up a two-channel Mossbauer spectrometer, so as to obtain both absorption attd backscattering spectra simultaneously. 23. The instrument directs the secondary ions to a mass spectrometer that identifies their compositions. 24. All the components of the system including optics, radiometer, interferometer spectrometer, cryostat and ancillary subsystems are analyzed in detail. 25. The CASI is a newly developed second generation imaging spectrometer. 26. The mechanism of thermal decomposition for alkaline earth metal benzoates was studied by using TG, DTA, IR and gas chromatography_mass spectrometer. 27. Some of the parameters affecting multielement determinations by ICP-MS have been studied on a VG PlasmaQuad ICP mass spectrometer. 28. We study the dissociation channel and mechanism of anisole in the experiment using the time of flight mass spectrometer with the interaction of laser. 29. The mini X - ray diode ( M - XRD ) was developed, and was used in mini soft x-ray spectrometer. 30. The synthetic analysis on the fractures in fan blades has been carried out via the scanning electron microscope and X-ray energy spectrometer. 31. Magnetized water samples were measured by the positron annihilation lifetime spectrometer. 32. The maintenance experinence of old MAT isotope mass spectrometer has been discussed. 33. In this paper , we build an method of effective vitamin C in LAPP by UV - spectrometer. 34. Spectrophotometer and Laser Roman Spectrometer have been used for determining the intensity of transmission and emission. 35. A reflectance of over 98% in the visible light region is obtained on the spectrometer after being coated with the silver-enhanced coatings. 36. The hydration properties of limestone powder in a complex binder system were studied by using scanning electron microscopy, X-ray diffraction and energy dispersive spectrometer. 37. The balance mixer with zero frequncybeat, wide band amplification, BOXCAR averager receiving and computer processing are used inthe spectrometer. 38. An analysis on the lifetime of a small TEA CO2 laser has been performed by quadrupole mass spectrometer. 39. Spectrometer with dual light beams takes significant role in molecular absorption spectrum measurement. 40. Fractions were then collected and analyzed using a triple quadrupole mass spectrometer with electrospray ionization and collision-induced dissociation to obtain structural information. 41. The oscillation behavior of Belousov - zhabotinsky reaction is stu - died with UV - VIS spectrometer in the CSTR. 42. The scanning electron microscope provides information on chemical composition by use of X - ray spectrometer attachments. 43. Mass Spectrometer is the most widely used high - end analytical instrument. 44. The small processing mass spectrometer(SPMS) is an industrial processing gas component analyzing and monitoring instrument using quadrupole mass spectrometer (QMS) as its analyzer. 45. A trapezoidal shaping algorithm was studied for digital multi-channel pulse height analysis in a digital nuclear spectrometer. 46. METHODS The volatile oil was extracted from Ligustrum lucidum Ait of Gansu by steam distillation, and its ingredients were isolated and identified by gas chromatography-mass spectrometer(GC-MS). 47. The technique requires the coupling of a particle accelerator and a mass spectrometer. 48. In addition to collecting particles for analysis in an ion and neutral mass spectrometer, and a cosmic dust analyzer, Cassini will photograph yet unseen parts near the moon's south pole. 49. Finally, the application prospect of the miniature quadrupole mass spectrometer array was expected. 50. A method for biprism interference experiment using spectrometer is proposed. The principle of the method is introduced, the formula for determining the wavelength of light are given in turn. 51. The development of the latest digital integrated circuit laid a profound basis on the research of the digital spectrometer. 52. In this paper , a hybrid integrated micro fiber spectrometer is put forward. 53. This paper deals with the trouble analysis and clearance of the electric circuit for the crystal change and low voltage alarm system of 3080E3 X Ray fluorescence spectrometer. 54. An electric-field cross-correlation Fourier transform spectrometer worked in the region of millimeter waves is described. 55. The development of a novel computerized CCD spectrometer, which consists of three parts: the CCD light detector, the optical system, the data acquisition and control system, is reported. 56. Two - dimensional electrophoresis , mass spectrometer and bioinformatics are three main techniques of proteomics. 57. The chemical composition of stainless steel thin plats was determinated rapidly by direct reading spectrometer after optimizing analytic parameters. The accuracy and precision of the results are high. 58. By metalloscope, SEM and spectrometer, the basic technical parameters of hot dipping alumetizing were obtained. 59. The content of nitrogen in alloy constructional steel was rapidly determined by photoelectric spectrometer. 60. In this paper, an ion trap mass spectrometer which combines the technology of digital ion trap with the rectilinear ion trap(RIT) was studied. 61. It would be a stronger argument, Lunine says, had Cassini's ion and neutral mass spectrometer found sodium when it flew through the plumes this past March. 62. Monitoring of gas concentration changes has been realized by using KYKY CWQ value and a three way sampling pipe for LZL 204 quadrupole mass spectrometer. 63. The vacuum degas character and degas composition are analyzed, by quadrupole mass spectrometer. 64. An automatic measuring system for the relative spectral response of IR detectors by using Fourier Transform Infrared (FTIR)Spectrometer bas been developed. 65. This paper report the design parameters, construction and specificity of a small magnetic mass spectrometer with an EI ion source, a sector magnetic analyser and a Faraday cup ion detector.Sentencedict 66. The optical spectrometer is an important instrument for analyzing the chemistry constitute and content of the material by adopting spectrum technique. 67. The distribution of water clusters under ambient conditions was first tested using a triple-quadRupole mass spectrometer coupled with a dielectric barrier discharge ionization source. 68. Characterizations of the obtained polyolefins by various modern analytic instruments ( NMR spectrometer, GPC, Fractionation ). 69. This data system possesses advantages of being simple, low-cost, stable and convenient to be with quadrupole spectrometer. 70. The results also show that the algorithm fulfils the pulse shaping requirements of the nuclear spectrometer with optimal parameter settings for different applications. 71. This thesis gives a detailed discussion about the gradient waveform generator (GWG) design with the analog pre-emphasis in the digital spectrometer system. 72. And the hydrogen and oxygen isotopic compositions heavy waters are calculated by the high - resolution mass spectrometer. 73. This paper describes the Multiplex TimeConversion ( TDC ) system used in Electron Energy Loss Coincident Spectrometer ( EELCS ). 74. In this paper necessity for upgrading of main trigger of Beijing Spectrometer is described. The table look-up method is used for programmable trigger table decision. 75. Desktop products hand - held and professional type fluorescent energy dispersive spectrometer. 76. The device is readily removed and installed at ambient pressure without venting the mass spectrometer. 77. In combination with an atomic absorption spectrometer, it could carryout various flow injection analyses and data processing. 78. Carbon and sulfur in low and middle alloy steel were determined with SHIMADZU PDA - 5017 direct reading spectrometer by using the PDA(Pulse height Distribution Analysis) method. 79. The construction and management of the direct - emission spectrometer laboratory were elaborated. 80. After coating, the impurities in the vacuum vessel of the HL 1M measured by the quadrupole mass spectrometer are largely reduced and are lower than those after the siliconization or lithium coating. 81. High-accuracy spectrometer had been developed for the high-accuracy measurement of spectral transmissivity of filter. 82. Methods: The choline fiber - optic biosensor designed included a LED , a bifurcated fiber, two kinds of spectrometer. 83. Based on a plane grating monochrometer and a optical scanner, the high time-resolved optical multichannel spectrometer is developed. A computer is used to real-time control and data acquisition. 84. Solubilization of phenol in micellar solution of nonionic surfactant and in coacervate phase of cloud point extraction were investigated with spectrometer method. 85. Methods Oligopeptide K16GRGDSPC was synthesized by solid-phase synthesis and identified by mass spectrometer and high pressure liquid chromatography. 86. The yield of glycolic acid was mensurated by HPLC, the content of NaCl was mensurated by Moor, the qualitative analysis of glycolic acid was carried by infrared spectrometer and element analysis. 87. The imaging spectrometer using diffractive optics has compact construction, small volume and rapid scanning speed, and its practical ground manufacture have been visible. 88. The integration of soft photoionization and ion trap mass spectrometer is specially fit for in - suit detection of VOCs and noxious gas. Thus, there will be a far-ranging market prospect. 89. Spectral resolution of optical fiber Fourier transform spectrometer depends on maximum optical path difference(OPD). 90. Based on photoemission effect. we design a laser photoemission electron gun for electron impact ionization source of time of flight mass spectrometer. 91. The performance of contaminated SJX-1 quadrupole mass spectrometer studied in detail in our experiment. 92. The performance of a Quadrupole Mass Spectrometer is affected closely by its quadrupole field. 93. 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. 94. A union operation method of chromatograph mass spectrometer was applied in analyses of volatile oil compositions in flowers and leaves of Radix Ginseng. 95. In optical path spectrometer, the instability of light source always affects the stability of color measurement. 95. try its best to collect and build good sentences. 96. The domestic and foreign nodular graphite cast iron standard samples were analyzed with vacuum direct-reading spectrometer and were applied in the routine analysis. 97. The quadrupole mass spectrometer is therefore applied to the high-power klystron to record the residua. 98. A quadrupole mass spectrometer used during launch vehicle testing and launching is given, and the trend of spacecraft leak monitor... 99. Method The fatty oil from Carum carvi L was extracted by ligarine petrum and analyzed by capillary gas chromatograph mass spectrometer(GC-MS) method. 100. The mass spectrometer technology has the ability to detect them in the mean time. 101. Some new results have been observed with the solar decimeter spectrometer with a new observing mode at National Astronomical Observatories(NAOC), Chinese Academy of Sciences(CAS). 102. Meanwhile X-ray Energy Spectrometer(XES) was used to examine and analyse the composition of the fuscous ceramic films. 103. Methods The liquid chloridion reagent was lyophilized for the preparation of reagent in powder form, which was then sealed into a detector cup of micro spectrometer for later experiment. 104. The data collection system of a home - made photoacoustic spectrometer for photosynthesis study was reformed. 105. 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. 106. The neutron vertical focused monochromator can efficiently raise the neutron fluence rate of sample in neutron scattering spectrometer. 107. The cryogenic ground support equipment (CGSE) is used to cool down the second stage alpha magnetic spectrometer ANS02 magnet and to fill the superfluid helium into the magnetic Dewar of AMS02. 108. As a spectroscopical element, grating has been widely introduced into numerous areas such as spectrometer, DVD, laser, telescope, grating polarization apparatus. 109. A system with quartz fiber, an optical spectrometer, a CCD detector and a computer was used to on-line optical spectroscopy analysis. 110. Based on characteristics of air-borne gamma-ray spectrometer survey, the authors induced the 2D terrain correction formula, and accomplished the forward calculation. 111. Spectrometer is a frequently-used instrument in the teaching of university physical experiment in colleges. 112. The research direction and content of this article is based on the NSFC project -the development of picosecond time-correlated single photon counting (TCSPC) spectrometer. 113. The MMS Raman Spectrometer offers a unique combination of resolving power, spectral range and flexibility, making it an ideal system for the routine analysis of many types of liquids and solids. 114. A liquid photoacoustic detector suitable to Fourier transform infrared (FT-IR) spectrometer with a condenser microphone as coupling unit is described in this paper. 115. 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. 116. This paper describes a high resolution soft -X-ray spectrometer with multiwire proportional chambers (MWPC) for detailed investigation of the impurity line radiation from tokamak. 117. The spectrometer present a trend of microminiaturization in recent years along with the improve of the demand of the market and the development of microfabrication technology. 118. To measure this, archaeologists use a device called an accelerator mass - spectrometer. 119. The spectrometer has a curved crystal Bragg diffraction structure of Johann type. 120. With the help of the ray of equal rank and double-faced reflector, the telescopic visual angle of the spectrometer was analyzed and measured. And the conclusion was drawn. 121. In this paper, the ESR (electron spin resonance) spectra of gold bearing quartz and pyrite have been systematically studied by means of JES FE1XG model ESR spectrometer. 122. A mini - spectrometer that applied to computer color match system is introduced in the paper. 123. The gas flow detector for X-Ray spectrometer detects mainly soft X-rays. 124. This article briefly describes the thoughts, key points and test result of a low noise pulse amplifier used in Laser Isotope Mass Spectrometer. 125. 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. 126. Up-to-the-art developments of spectroscopic techniques are reviewed, including digital spectrometer, CdZnTe detector(), new spectrum analysis methods and new spectrometer system design techniques. 127. Abstract: The data collection system of a home - made photoacoustic spectrometer for photosynthesis study was reformed. 128. Ion gate is one of the important parts in an ion mobility spectrometer. The main function of the ion gate is to control the ions to fly into the drift tube in pulse mode. 129. By means of experiment and study, analyzing conditions of using X-ray fluorescent spectrometer to analyze the content of all elements in light burnt dolomite were determined. 130. The hot electron magnetic spectrometer was developed and its principle, (designing) idea, structure and index were introduced. 131. You choose from among 14 gratings for each "HR" Optical Bench spectrometer. 132. A large solid angle Bragg - curfe Spectrometer ( BCS ) is introduced in this paper. 133. Operational modular imaging spectrometer ( OMIS ), an advanced optical mechanical scanning imaging spectrometer was developed. 134. The chromatograph - mass spectrometer has been made, and we can start printing at any time. 135. It can gives color difference of objects based on semispherical spectral reflectance in visible and near infrared wave bands measured by its internal spectrometer. 136. These opaline silicates were detected by MRO's Compact Reconnaissance Imaging Spectrometer for Mars and are the youngest of the three types of hydrated minerals. 137. And owns direct reading spectrometer, tension testing machine, hardness tester, thickness gage, gloss meter, color difference machine etc from Germany. 138. The interaction between aluminium and calmodulin has been studied with the fluorescence spectrometer. 139. 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. 140. In order to find the generating cause and treating method, electron microscope and luminance optical spectrometer have been used in investigation. 141. Size distribution of the secondary organic aerosol particles was detected with an aerodynamic particle sizer spectrometer. 142. METHODS: The compositions of microsphere before and after sonication were determined by grade - laser ToF mass spectrometer. 143. Figure B shows a scheme of a mass spectrometer coupled to a gas chromatograph. 144. 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. 145. The flat polarizer was prepared by electron beam evaporation and its optical performance was measured by Lambda900 spectrometer. 146. The prototype of the high resolution solar X-ray spectrometer includes readout circuit for the front detectors, data acquisition unit, payload handling data unit and power supply unit. 147. A new design was proposed for Fourier-transform spectrometer based on polarization interferometer with modified Wollaston prisms and TMS320LF2407A DSP. 148. Analized the surface properties of membrane by SEM 、 ATR - FTIR and X - ray energy spectrometer. 149. Photometric Standards for Absorbance are used to check the accuracy of spectrometer systems. 150. Frequency-resolved measurement of the emission from a Eaman free electron laser under superradiation condition by a microwave grating spectrometer are presented. 151. Quadrupole mass spectrometer can be used in measuring pressure of dividing and analysis composition of material. 152. The nonlinear problem of optical path difference (OPD) of rotating Fourier transform spectrometer universally exists, produced by the rotation of rotating mirror. 153. These provide theory basis for designing accuracy of optical spectrometer and are useful for laying out experiment scheme and analyzing experiment data. 154. A detection system for the extended X-ray absorption fine structure (EXAFS) spectrometer is described in detail. 155. A near - infrared spectrometer based on an integrated optical acoustooptic tunable filter ( IAOTF ) is constructed. 156. 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. 157. The influence of some conditions of mass spectrometer andand repeatability of the quantitative analysis are discussed. 158. A semiconductor fast neutron spectrometer consisting of a Au-Si surface barrier detector and a conical polyethylene foil radiator is described. 159. The structure of MRI spectrometer which is composed of DDS, digital receiver and pulse sequence generator etc, is described. 160. The upper limit quantity of 4 - N - demethylanalgin in analgin raw material was determined by the convolution spectrometer. 161. The matrix matching method was used to correct the matrix effect, then the impurities were determined by ICP spectrometer. 162. It was made with observations from Herschel's Photoconductor Array Camera and Spectrometer and the Spectral and Photometric Imaging Receiver instruments. |
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