ionization造句
61 A method has been developed for the determination of toxaphene in soil by gas chromatography-negative chemical ionization mass spectrometry(GC-NCI MS) with accelerated solvent extraction(ASE).
62 The results showed that the targets of laser amplifier achieved the requirement of air ionization laser experiment.
63 Electrospray mass spectrometry has become the main target of which developed one of this paper, metal capillary electrospray ionization source of heating, developed a temperature control system.
64 Figure 2 - 11 illustrates guarding as applied to measuring the ion current ( IC ) from an ionization chamber.
65 The calculated ionization potentials are larger than the fragmentation energies of these small phosphide clusters,[www.] exhibiting a dominance of dissociate over ionization.
66 The laser facula area has some effects on the ion yield of multi photon ionization process.
67 Method: CBPI - M 25 - 0.25 capillary column and hydrogen flame ionization detector were selected.
68 This method made use of hydrogen flame ionization detector ( FID ) and counted by area normalization method.
69 Emanometer is composed of normal atmosphere air mesh grid pulse ionization chamber, signal magnify and screen unit and MCU system.
70 The stability of the welding arc depends mainly on the voltage and the gas ionization when current zero-crossing as well as the electron emission ability of the electrode.
71 Based on photoemission effect. we design a laser photoemission electron gun for electron impact ionization source of time of flight mass spectrometer.
72 The detecting system is based on the residual gas ionization principle and consisted of electrostatic collecting plates, micro-channel plates and a resistive anode.
73 This paper describes the investigation of even-parity autoionization states of cerium atoms by three-step three-color resonance ionization spectroscopy (RIS).
74 Computers, displays, hand-holding telephone and other electric equipments can produce certain amount of ionization radialization .
75 To check the ionization current, connect a microammeter with an adequate scale "in series" to the ionization circuit.
76 The choice of ionization source and experimental sample of instrument is discussed. The system's experimental equipment is devised.
77 The transient discharge voltage and current of the two pre ionization sources were measured also.
78 Cesium chloride was added as ionization buffer to eliminate the ionization interference of sodium and potassium.
79 Neutrons in the slow and moderate speed ranges can produce ionization indirectly in other ways.
80 By combining spectroscopy ( PES ) with theoretical calculations , the ionization potentials of iodine trichloride were studied.
81 The electronic circuitry of the various vacuum protection schemes, which use sputtering ion pump or cold-cathode or hot cathode ionization gauge as sensors, was compared.
82 Dense gas serves to reduce the ionization, because it absorbs the ionizing soft x rays.
83 Breathe is a living kitchen appliance that literally 'breathes in' air pollutants through ionization.
84 Electrospray-assisted laser desorption ionization (ELDI), a combination of electrospray ionization and laser desorption, is an ambient ionization source developerd in our laboratory.
85 In addition, divalent metal adduction provided improved positive mode ionization efficiency for these peptides.
86 In Figure 2 - 11 b , a metal guard ring is added to the ionization chamber.
87 We develop a new D. C. ionization static eliminator which can overcome above - mentioned defect and are of the properties of low watt consumption, high efficiency and reliability.
88 The dosimetric data measured by silicon diode were evaluated compared with those by ionization chamber and in literature.
89 Hematopoietic system is a crisis organ of ionization radiation cxposure.
90 If the vacuum near the cathode is too poor, it will generate spark, gas ionization and ion bombardment on cathode, which can result in a fast attenuation of the emission current.
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