(1) The principle of RFQ (Radiofrequency Quadrupole) cooler and buncher is briefly introduced and some results of simulation by using the SIMION code are given.

(2) The influence of quadrupole, annular and binary grating illumination on resolution and depth of focus have been investigated in sub micron i line exposure system.

(3) In this thesis, the contribution of electric quadrupole (E2) and higher pole transitions to the opacity of hot and dense plasmas of element aurum is taken into account by using an average-atom model.

(4) Quadrupole source (30) A noise source in which four parts vibrate alternately in phase.

(5) Finally, the application prospect of the miniature quadrupole mass spectrometer array was expected.

(6) Instructions of time of flight mass spectrograph and quadrupole mass spectrograph are given, and the scheme of dynamic me...

(7) This paper expounds in detail the possibility that quadrupole field can be used as an energy analyser and describes its geometric structure, working principles and basic formula.

(8) We educe a probability of the electric quadrupole emission of a photon induced by collision between two neutral atoms of inert gases.

(9) It was quadrupole since abolished-Kyushu, Nu Wa Sky after the rare good day.

(10) A quadrupole electric field driven by a rectangular wave voltage can be used for mass selective storage and analysis.

(11) The causes of disturbing electron current in quadrupole mass filter with Farady cylinder as an ion detector are described.

(12) The performance of contaminated SJX-1 quadrupole mass spectrometer studied in detail in our experiment.

(13) The performance of a Quadrupole Mass Spectrometer is affected closely by its quadrupole field.

(14) Like precession, mountains produce some quadrupole asymmetry, so they will radiate.

(15) The quadrupole mass spectrometer is therefore applied to the high-power klystron to record the residua.

(16) Not surprisingly these force patterns resemble the pattern of magnetic field lines across the aperture of a quadrupole magnet.

(17) It is demonstrated experimentally that the anharmonic property of the quadrupole trap can be exploited to cool trapped atoms by modulating the trap potential anisotropically .

(18) These results are valuable reference for the experiment of parametric excitation in a quadrupole trap.

(19) An analysis on the lifetime of a small TEA CO2 laser has been performed by quadrupole mass spectrometer.

(20) Fractions were then collected and analyzed using a triple quadrupole mass spectrometer with electrospray ionization and collision-induced dissociation to obtain structural information.

(21) The small processing mass spectrometer(SPMS) is an industrial processing gas component analyzing and monitoring instrument using quadrupole mass spectrometer (QMS) as its analyzer.

(22) The designing principle is that the E-field longitudinal distribution and the local quadrupole cut-off frequency should be kept as constant as possible.

(23) 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.

(24) The vacuum degas character and degas composition are analyzed, by quadrupole mass spectrometer.

(25) This data system possesses advantages of being simple, low-cost, stable and convenient to be with quadrupole spectrometer.

(26) This thesis presents the design and implementation of a high-efficiency high-current switch-mode quadrupole magnet power supply for synchrotrons.

(27) Feature:1. Avaliable for washing machine motor, compressor motor, invertor motor and Ambipolar motor and Quadrupole motor etc. , 2.

(28) 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.

(29) In this paper the characteristics of the high frequency gas discharge in the magnetic quadrupole field are investigated.

(30) Some quantitative relations are given, and experimental evidence is provided for the use of the magnetic quadrupole field in high frequency ion source.

(31) A quadrupole mass spectrometer used during launch vehicle testing and launching is given, and the trend of spacecraft leak monitor...

(32) The most radical of the new approaches uses "quadrupole resonance technology".

(33) 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.

(34) The structure of quadrupole mass spectrometers (QMS) and the quantitative analysis principle of gas analysis mass spectrometers (GAM) are described.

(35) In a spherical nucleus, the coupling term implies an interweaving of the quadrupole and dipole motion.

(35) is a online sentence dictionary, on which you can find good sentences for a large number of words.

(36) In this paper the quadrupole mass spectrographic analysis of the operation characteristics of Zr-Al pump is described and some questions which deserve to study and improve.

(37) The principle of RFQ (Radiofrequency Quadrupole) cooler and buncher is briefly introduced and the simulation of the buffer gas effect is discussed in detail.

(38) The leak-hunting principle and methods of quadrupole mass-spectrometer are discussed with the main composition of residual gases harmful to photocathode in the system determined.

(39) Field properties of magnetic quadrupole lenses and electron beam transport are studied in this paper.

(40) For the beam transport system in storage ring, linear coupling is mainly caused by skew quadrupole and longitudinal solenoid field.

(41) According to the principle of "Uniform magnetization", the field-shape of plane head quadrupole of "coil replacement" and "Quasi coil replacement" is analysed by means of series expansion.

(42) Quadrupole mass spectrometer can be used in measuring pressure of dividing and analysis composition of material.

(43) 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.