1. The outlook for the use of frequency-controlled electric drives for high-speed centrifuges

   • N. N. Kushnerov

   OriginalPaper Pages: 509 - 512

2. Trends in the development of and problems concerning improvement of compressor equipment for the gas and oil industry

   • V. E. Sukhinenko
   • V. P. Parafeinik
   • Yu. S. Bukholdin

   OriginalPaper Pages: 513 - 519

3. Unified centrifugal compressors for the Gas and Petroleum Industry

   • V. E. Sukhinenko
   • V. P. Parafeinik
   • V. N. Dovzhenko

   OriginalPaper Pages: 520 - 524

4. Method for accelerated reliability tests of centrifugal compressors

   • S. D. Medvedev
   • E. V. Krinitskii
   • A. P. Usatenko

   OriginalPaper Pages: 525 - 528

5. Methods for increasing the fail-safe operation and service life of centrifugal compressors

   • E. V. Krinitskii
   • S. D. Medvedev
   • A. G. Ovsienko

   OriginalPaper Pages: 529 - 533

6. System for the diagnosis of the technical state of gas pumping equipment

   • Yu. P. Berkov
   • V. M. Dubrovskii
   • V. V. Petrov

   OriginalPaper Pages: 534 - 537

7. Experience gained in the assembly and in the startup and adjustment of the GPA-Ts-16 gas pumping aggregate, equipped with a lubricant-free blower

   • S. D. Medvedev
   • A. G. Ovsienko
   • E. V. Krinitskii

   OriginalPaper Pages: 538 - 540

8. Testing of the lubrication-free GPA-Ts-16/76 blower

   • V. E. Sukhinenko
   • V. I. Danileiko
   • E. V. Omel'chenko

   OriginalPaper Pages: 541 - 544

9. Setting up a facility for heavy drilling and guide tubes

   • S. V. Sharapov
   • V. L. Shamin
   • A. V. Sysenko

   OriginalPaper Pages: 545 - 547

10. Effect of the pitch factor of an epicycloid on the basic characteristics of epicycloidal gear engagement

    • Yu. K. Taldenko

    OriginalPaper Pages: 548 - 551

11. Fittings produced by the M. V. Frunze Scientific Production Association

    • A. I. Aleksenko
    • I. I. Fedenko

    OriginalPaper Pages: 552 - 554

12. Calculation of the acoustical characteristics of gas transport equipment of the unit type in the design stage

    • O. N. Zavrazhnaya
    • I. N. Oleinikov
    • V. V. Petrov

    OriginalPaper Pages: 555 - 559

13. Calculation of the allowable disbalance of a flexible rotor with consideration of first and second critical frequencies

    • V. I. Savonenko

    OriginalPaper Pages: 560 - 564

14. Complete process line of a closed system of water supply for sugar plants

    • G. I. Pavlenko
    • I. V. Semenenko

    OriginalPaper Pages: 565 - 567

15. Purification of mine waters at the A. F. Zasyad'ko mine

    • V. A. Semikin
    • A. I. Duyun

    OriginalPaper Pages: 568 - 569

16. PZh-800 beet-pulp press

    • V. P. Gaikovoi

    OriginalPaper Pages: 570 - 571

17. Diagnostic method and device for friction couples

    • Yu. P. Berkov
    • E. D. Naumov
    • S. V. Shantyr'

    OriginalPaper Pages: 572 - 573

18. Process for mechanized welding of high-strength low-alloy steels with austenitic wire

    • M. A. Laktionov

    OriginalPaper Pages: 574 - 579

19. Optimization of flat grinding of face seal rings made of siliconized graphite

    • S. K. Ryzhakov

    OriginalPaper Pages: 580 - 582

20. Increasing the reliability of a coring tool for long drilling tubes

    • V. V. Dotsenko

    OriginalPaper Pages: 583 - 584

21. Use of PC/XT and PC/AT personal computers when introducing CAD/CAM to businesses

    • V. Yu. Seroshtan

    OriginalPaper Pages: 585 - 587

22. Unique development [of a rotor sleeve]

    • V. F. Vailenko

    OriginalPaper Pages: 588 - 588

23. Press mold unit for making parts with internal threads

    • L. V. Il'yukov

    OriginalPaper Pages: 589 - 590

24. Bolt-tightening equipment for TsNS-180 pumps

    • A. M. Vetrov

    OriginalPaper Pages: 591 - 592