1. Optimization of the operating conditions of mass-diffusion cascade installations

   • V. A. Chuzhinov
   • N. I. Laguntsov
   • G. A. Sulaberidze

   Articles Pages: 469 - 472

2. Mathematical simulation of the extractive reprocessing of nuclear fuel

   • A. M. Rozen
   • M. Ya. Zel'venskii
   • I. V. Shilin

   Articles Pages: 473 - 478

3. Two-dimensional diffusion program hexaga II for many-group calculations of hexagonal lattices

   • T. Apostolov
   • Z. Woznicki

   Articles Pages: 479 - 482

4. Investigation of the adiabatic outflow of water through cylindrical channels

   • V. S. Aleshin
   • Yu. A. Kalaida
   • V. V. Fisenko

   Articles Pages: 483 - 487

5. Oxidation of tritium in air under the action of intrinsic radiation

   • L. F. Belovodskii
   • V. K. Gaevoi
   • N. V. Nefedov

   Articles Pages: 488 - 491

6. Experiments on the synthesis of neutron-deficient isotopes of kurchatovium in reactions with accelerated⁵⁰Ti ions

   • Yu. Ts. Oganesyan
   • A. G. Demin
   • Yu. P. Tret'yakov

   Articles Pages: 492 - 501

7. Problem of environmental protection in the operation of nuclear power stations

   • N. G. Gusev

   Reviews Pages: 502 - 509

8. Contemporary trends in experimental shielding physics research

   • V. P. Mashkovich
   • S. G. Tsypin

   Reviews Pages: 510 - 512

9. Numerical solutions of the kinetic equation for reactor shielding problems

   • T. A. Germogenova

   Reviews Pages: 513 - 517

10. Problems of the Physics of Reactor Shielding

    • B. R. Bergel'son

    Book Reviews Pages: 518 - 519

11. Problems of secondary gamma radiation in reactor shields

    • A. A. Abagyan
    • T. A. Germogenova
    • V. A. Utkin

    Articles Pages: 520 - 523

12. Abstracts

    Abstract Pages: 524 - 532

13. Calculation of heterogeneous nuclear reactors by the method of inserted elements

    • I. S. Slesarev
    • A. M. Sirotkin

    Letters to the Editor Pages: 533 - 535

14. Transient changes of the thermoelectric characteristics of thermocouples by the action of reactor radiation

    • V. P. Kornilov
    • É. B. Pereslavtsev

    Letters to the Editor Pages: 536 - 538

15. Oxidation of solid solutions of uranium and niobium monocarbides

    • V. G. Vlasov
    • V. A. Alabushev
    • A. R. Beketov

    Letters to the Editor Pages: 539 - 542

16. Spectral characteristics of the background noise in the primary loop of an atomic generating plant

    • K. A. Adamenkov
    • V. I. Gorbachev
    • R. F. Khasyanov

    Letters to the Editor Pages: 543 - 544

17. Pores in helium-saturated nickel under irradiation by nickel ions

    • S. Ya. Lebedev
    • S. D. Panin
    • S. I. Rudnev

    Letters to the Editor Pages: 545 - 546

18. Scintillating plastics with improved radiation resistance

    • V. M. Gorbachev
    • V. V. Kuzyanov
    • N. A. Uvarov

    Letters to the Editor Pages: 547 - 549

19. Selecting the operating point in resource tests of thermionic converters

    • V. I. Berzhatyi
    • A. S. Karnaukhov
    • V. V. Sinyavskii

    Letters to the Editor Pages: 550 - 552

20. Neutron resonances in¹⁸¹Ta AT 2–70 eV

    • T. S. Belanova
    • A. G. Kolesov
    • V. S. Artamonov

    Letters to the Editor Pages: 553 - 554

21. Collaboration daybook

    COMECON News Pages: 555 - 556

22. Nuclear geophysics

    • J. A. Czubek

    Book Reviews Pages: 557 - 558

23. Symposium of the International Agency of Atomic Energy Regarding the Choice of Areas for Nuclear Installations

    • N. P. Dergachev

    Information: Conferences and Meetings Pages: 559 - 561

24. All-Union Scientific Conference on Shielding Against Ionizing Radiations from Nuclear-Industrial Installations

    • V. P. Mashkovich

    Information: Conferences and Meetings Pages: 562 - 564

25. Fourth All-Union Conference on the Physics and Technology of High Vacuum

    • G. L. Saksaganskii

    Information: Conferences and Meetings Pages: 565 - 567

26. Foundations of thermionic energy conversion

    • Yu. I. Skorik

    Book Reviews Pages: 568 - 569