1. The technologies for synthesis ofp-nitroanisole by using the triphase catalytic method, and synthesis ofp methoxyaniline by use of reduction of synthesized p-nitroanisole were studied.

2. Experimental equipment of oil-water-gas triphase flow is a facilities to scale production logging instruments, make interpretation plate and verify interpretation method.

3. Because of some cause, the result of triphase active filter circuit which is built is not arrived at theory request.

4. Meanwhile in allusion to the problem of uniform triphase chopping circulating current in DC side, dynamic share current control strategy was employed.

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5. In case of the discharge lamps some triphase symmetrical circuit and varied unsymmetrical circuit are studied.

6. Aim at the design of six lines triphase signal source based on DDS technology, the design methods of hardware and software were given out.

7. It is proposed that to adopt a "triphase transfer catalyst" may solve these problems.

8. The research proved that the sealing technique of triphase foamy fluid is a new technology which will have vast practical prospects.

9. The research proved that the sealing technique of triphase foamy fluid is a new technology...

10. Local application high - temperature - resistant foaming triphase profile control agent - group had perfect effects and the cost was low.

11. High power facility or triphase facility can be ordered together with transferring testing box.

12. This paper first reports the synthesis and applications in hydrolysis and etherification of a new polymer supported quaternary ammonium resin, which is an effective triphase catalyst.

13. It indicates that the density correction is necessary to obtain a correct total triphase flow rate.

14. This instrument is designed to measure, compute and analyse the triphase voltages and currents, without mechanical characteristic, temperature, noise and magnetic field etc.

15. Aerated mud is a kind of drilling fluid with gas, liquid and solid triphase matter distributed evenly and stably.

16. This paper introduces a method of using chip microcomputer 8031 to generate triphase, single polar and modulated TPWM waveform with online.

17. Local application of high - temperature - resistant foaming triphase profile control agent on wells - group had perfect effects and the cost was low.

18. Through analyzing the asymmetry about the power among three phase of the no-load experiments of the triphase asynchronous motor is designed.

19. It can be used either in two phase system or in triphase system.

20. Benzyl acetate has been synthesised by the direct reaction of benzyl chloride and sodium acetate solution catalyzed by triphase transfer catalyst.