1. Combined process for manufacturing high-octane naphthas

   • V. V. Shipikin
   • V. Yu. Bortov
   • I. N. Tolkacheva

   Rational Utilization of Petroleum Raw Materials Pages: 551 - 554

2. Utilization of spent solutions for cation-exchange modification of NaX zeolite

   • O. M. Valuiskaya
   • B. K. Nefedov
   • A. T. Slepneva

   Rational Utilization of Petroleum Raw Materials Pages: 555 - 557

3. Improvement of quality of KMTsR cracking catalyst

   • A. M. Guseinov
   • R. R. Aliev
   • T. L. Gasanov

   Manufacturing Processes Pages: 558 - 560

4. Features of catalytic cracking with blends of vacuum distillate and atmospheric resid as feedstocks

   • L. É. Kruglova
   • S. N. Khadzhiev
   • I. K. Romankova

   Manufacturing Processes Pages: 561 - 563

5. Influence of solvent composition on depth of urea dewaxing of transformer oil distillate

   • A. N. Belousov
   • R. A. Martirosov

   Manufacturing Processes Pages: 564 - 566

6. Relationship in component-fractional and chemical composition of crude oil

   • A. S. Éigenson
   • D. M. Sheikh-Ali

   Research Pages: 567 - 573

7. Mechanism of pyrolysis of alkanes. 5. Isoalkanes

   • A. N. Rumyantsev
   • É. Yu. Oganesova

   Research Pages: 573 - 578

8. Computerized method for investigation of antipitting properties of motor oils

   • S. P. Avdeenko
   • Yu. S. Zaslavskii
   • V. A. Kuz'min

   Quality Evaluation Methods Pages: 579 - 581

9. Application of calorimetry and thin-layer chromatography in investigation of lubricating greases

   • L. N. Petrova
   • T. G. Skryabina
   • V. A. Mikheev

   Quality Evaluation Methods Pages: 582 - 585

10. Use of vapor pressure determinations in developing lubricant formulations

    • I. B. Popova
    • L. P. Ishchuk
    • L. V. Podlennykh

    Quality Evaluation Methods Pages: 586 - 588

11. Treatment of activated sludge from biological treatment facilities

    • V. Ya. Gerber

    Environmental Protection Pages: 589 - 595