1. Fluid pulsation in pipelines of hydraulically driven pump units

   • V. V. Ermolinskii

   OriginalPaper Pages: 529 - 534

2. Investigation of hydrodynamics of loose-bed filter

   • L. S. Nam
   • S. A. Malyutin
   • A. V. Shumovskii

   OriginalPaper Pages: 535 - 538

3. New procedure for calculation and selection of control valves

   • V. G. Patrikeev
   • E. G. Pinaeva
   • Yu. I. Taras'ev

   OriginalPaper Pages: 539 - 543

4. Design of spin-reinforced drill bit teeth with increased vibration resistance

   • V. A. Yasashin
   • N. G. Makarov
   • S. V. Rybin

   OriginalPaper Pages: 544 - 546

5. Calculating heat distributions in AC electromagnet systems for armature drives

   • S. Kh. Shchuchinskii

   OriginalPaper Pages: 547 - 548

6. Prospects for the development of the exploitation of wells in oil and gas fields, and the development of equipment

   • A. S. Nikolich

   OriginalPaper Pages: 549 - 553

7. Thermomechanical interpretation of clausius entropy

   • M. L. Medvedeva

   OriginalPaper Pages: 554 - 559

8. Analysis of dissipative losses and increasing the efficiency of cryogenic circulation systems

   • V. M. Kharin

   OriginalPaper Pages: 560 - 563

9. Resource-saving technologies in machine building

   • V. M. Makarov
   • A. Z. Kaganovich
   • A. B. Bukhvalov

   OriginalPaper Pages: 564 - 567

10. All-purpose adjustable instrument for cutting apertures

    • G. Ya. Potemkin

    OriginalPaper Pages: 568 - 569

11. Chemical engineering in solution of ecological problems

    • V. V. Baryshnikov
    • V. V. Bukin
    • V. F. Khmara

    OriginalPaper Pages: 570 - 573

12. Conversion of existing turborefrigerators from the Kazan compressor plant to ozone-safe refrigerants

    • A. M. Galeev
    • M. V. Golovin
    • I. Ya. Sukhomlinov

    OriginalPaper Pages: 574 - 577

13. Alloy nicrofer 2509 Si 7, a new corrosion-resistant material for operation with hot concentrated mineral acids

    • M. Keler
    • R. Kirzkhiner
    • U. Khoibner

    OriginalPaper Pages: 578 - 582