SCIENTIFIC PUBLICATIONS, TEXTBOOKS, INVENTOR'S CERTIFICATES AND PATENTS

Participation in seminars, forums, conferences and visits:
   2. Participation in "International Rail Seminar and Meet the Buyers Event" London 05-06.07.2007:
UK Trade & Investment’s (UKTI)
   PARTCIPATION of REMTECHNOLOGY LTD in "INTERNATIONAL
   RAIL SEMINAR and MEET the  BUYERS EVENT   - 2007 LONDON"
   Invited by UK Trade & Investment’s (UKTI) and RIA/UK Railway Industry Association, Remtechnology Ltd. participated with its own delegation in “International Rail Seminar and Meet the Buyers Event” that took place in Marriott Hotel, Bath Road, London Heathrow on 5 and 6 July 2007/read more.../


   3. Exhibitng in “Railway Forum – 2006 [2]” , topic “Infrastructure, technology, comfort” – Veliko Tarnovo, 9-10 October 2006.
   4. Assoc.Prof. N.Nikov, eng.D.Nikov, eng.B.Nikov, Remtechnology Ltd., "Maintenance and operation of heavy railway mechanisation – Plasser & Matica"-106 Kb; Railway forum - 2006 /Presentation of Remtechnology Ltd. -15.3 Mb/

List of the scientific publications:

   1. Nikov N.J., Nikov, D. N. Study on the influence by the components of the electrode coating over the process of hand welding underwater) Part 1, MNTK TU – Varna 2006
   2. Nikov N.J., Nikov D.N. Study on the influence by the components of the electrode coating over the process of hand welding underwater. Part 2, MNTK , TU - Varna, 2006
   3. Nikov N.J., Analysis of the hand underwater welding.
   4. Nikov N.J., Welding of aluminium alloy with constant current with reverse polarity.NTS, MTC, TU-Varna, No2, 2005 p.30-33
   5. Nikov N. J. , Analysis of the influence of the welding distortions, tensions and deflection over the quality of the welded constructions and methods for their decrease and removal. NTS, MTC, TU-Varna, No2, 2005 p.67-71
   6. Nikov N., Dichev P. Nikov B., Nikov D. Optimizing of some technological parameters of underwater cutting.
   7. Nikov N., Dichev P. Study of the influence of the static power source on the process of underwater semi-automatic welding. Acta Universitatis Pontica Euxinus. Volume V, ¹2ð 2005 ð.37-40.
   8. Nikov N. Conditions for stability of the process of transferring metal with short cuts NTS, ÌÒÒ, ÒÓ Âàðíà ¹2 2005 ñòð.25-30.
   9. Nikov N., Nikov B., Nikov D. Development of a method for plasma underwater welding of metals. Acta Universitatis Pontica Euxinus. Volume III, ¹1 2004 ð.30-34.
   10. Nikov N., Nikov B., Nikov D.,Dichev P. Research on the underwater double-arc welding process. Acta Universitatis Pontica Euxinus. Volume III, ¹2 2004 ð.38-41.
   11. Nikov N., Nikov B., Nikov D.,Dichev P. Study of arc burning steadiness at underwater welding. Acta Universitatis Pontica Euxinus. Volume III, ¹2 2004 ð.42-46.
   12. Nikov N. Study on the factors that influence over the process of underwater welding.NTS, MTT No.1 2004, p.73-75.
   13. Nikov N., Nikov B., Nikov D., Study on the process of underwater welding during depth increase , NTS MTT No.1 2004, p.76-79.
   14. Nikov N., Nikov B, Nikov D., Dichev P. Semiautomatic electro-oxygen cutting of shipbuilding steel.NTC ÌÒÒ, ¹2 2004, ñ.39-41.
   15. Nikov N.J. Research on the underwater double-arc welding process Acta Universitatis pontica euxinus, ¹2, 2004 ð.38-41, NTS MTT No.2 2004, p.39-41.
   16. Nikov N., Nikov B., Nikov D., Developing and research of a method and electrode for underwater welding with additional protection. Yearbook 5-280, TU-Varna, 2003, p.184-189.
   17. Nikov N., Dichev P., Georgiev K., Nikov D. Optimizing of some technological parameters when cutting under water. Naval Scientific Forum, Varna, Naval Academy, 2003.
   18. Nikov N., Dichev P., Nikov D., Nikov B. Semiautomatic electro-oxygen underwater cutting of metals. Naval Scientific Forum, Varna, Naval Academy, 2003.
   19. Nikov N. Method for electro-arc welding with one side formation of the weld. Yearbook 5-208, TU-Varna p.184-189. 2 Yearbook 5-280, TU Âàðíà, 2003 p.184-189.
   20. Nikov N. Study on gas atmosphere of the arch under water when welding with electrodes with TFT. NTS, ÌÒÒ, TU - Varna ¹1 2003, p.60-64;
   21. Nikov N.J. Determining of the defence characteristics of the arc during underwater welding of metals.NTS, ÌÒÒ, TU Varna ¹1 2003, p.64-70
   22. Nikov N. Methods and devices for recovering damaged loop seals of drains of dams NTS, MTT, TU Varna No.2 2003. p.93-95.
   23. Nikov N. Method and devices for recovering damaged loop seals of drains of dams.<0}
ÀÌÒÅÕ 2003. 03-05 October , 2003, Varna.
   24. Nikov N., Dichev P., Georgiev K., Nikov D. Optimizing of some technological parameters while cutting underwater. Naval Scientific Forum, Varna, Naval Academy, 2003
   25. Nikov N.,Dichev P., Nikov D. Nikov B. Semiautomatic electro-oxygen underwater cutting of metals. Naval Scientific Forum, Varna, Naval Academy, 2003
   26. Nikov N., Nikov B., Nikov D. Study of the gas atmospfere in the arc at underwater welding. Acta Universitatis Pontica Euxinus. Volume I, ¹1 2002 ð.38-41.
   27. Nikov N., Nikov B., Nikov D. and Tabakov I. Study on parameters of underwater welding conditions - trasnport, ecology, sustainable development. ECOVARNA 2002,p.383 – 390.
   28. Nikov N., Nikov B., Nikov D. and Tabakov I. Study on the composition of pipe flux wire for improving the quality of welding seams when welding underwater - Transport, Ecology, Sustainable development, ECOVARNA 2002 p.372-377.
   29. Nikov N., Nikov B., Nikov D. and Tabakov I. Developing and of new pipe flux wires for underwater welding – Transport, Ecology, Sustainable development, ECOVARNA 2002.
   30. Nikov N. Analysis of the gas atmosphere of the arch when welding under water and determination methods. NTS, MTT, TU Varna, No1 2002, p. 56-60.
   31. Nikov N., Nikov B., Nikov D. and Tabakov I. Research on the gas protection in underwater semiautomatic welding- Transport, Ecology, Sustainable development, ECOVARNA 2002. p. 372-377.
   32. Nikov N. Study on the mathematical model of the electric dynamic gas processes of the welding arc - Transport, Ecology, Sustainable development, ECOVARNA 2002. p. 355-365.
   33. Nikov N., Nikov B., Nikov D., Kovachev L. Study of the interaction between the welding arc and the welding seam properties at underwater welding. MEET/MARIND-2002, Volume V, 07-11 X 2002, Varna c.261-266.
   34. Nikov N., Nikov B., Nikov D.,. Study of the stability of a power sourse/supply-an electric arc-at semi-automatic wet underwater welding. MEET/MARIND’2002, Volume IV, 07-11 X 2002, Varna c.267-271.
   35. Nikov N., Vasileva A. Study on the physical processes conducted in the arch when welding under different conditions. Yearbook, TU Varna, p.22-28.
   36. Nikov N., Vasileva A. Mathematical modelling of the processes conducted in welding arc- technological parameters/ International conference Advanced Mechanical Engineering & Technology. ÀÌÒÅCH’99, 1999, Plovdiv c.455-459
   37. Nikov N., Vasileva A. Mathematical model of the electric arc in a two-pfase flow. International conference Advanced Mechanical Engineering & Technology.ÀÌÒÅCH’99, 1999, Plovdiv p .460-464
   38. Nikov N., Underwater cutting and underwater welding appliances, APRZ Prometeus 1M, TU-Varna, 1997.
   39. Nikov N., Nikolaev R. Mathematical model of electric arc in underwater welding. Marine equipment and technologies, NPKK, Varna 1996, p.14-17.
   40. Nikov N. A method for underwater pipe welding. Marine equipment and technologies , NPKK, Varna, 1996, p. 10-13.
   41. Nikov N. Method for restoring a vessel in emergencies ÍÏÊÊ, Ìîðñêà òåõíèêà è òåõíîëîãèè, Âàðíà, 1996 ñ.23-25.
   42. Nikov N. Development of a combined method for underwater welding. International welding technology’96 Symposium Ankara. 1996.
   43. Nikov N. Development of a new method for underwater metal cutting. International welding technology’96 Symposium Ankara. 1996.
   44. Nikov N., Dichev P. Study on some parameters of the arc in different conditions for welding with thin electrode. NTC, by I, Naval Academy, 1994.
   45. Nikov N., Petrov N., Georgiev K. Polarization-optical method in investigation of nozzles in underwater technologies. International symposium hydro-and aerodynamics in marine engineering. HADMAR’91. 28. 10- 1.11.1991 c. 70-170-4.
   46. Nikov N. Problems in developing underwater welding and metal cutting equipment- Interoceantechnology 1990-Szczecin, Poland, 29 May-1 June 1990.
   47. Nikov N., Dichev P. A study of gas shield characteristics during semi-automatic underwater welding- Interoceantechnology 1990-Szczecin, Poland, 29 May- 1 June 1990.
   48. Nikov N., Gencheva V. An analytic model for gas atmosphere composition round the arc in underwater welding- Interoceantechnology 1990-Szczecin, Poland, 29 May- 1 June 1990.
   49. Nikov N., Gencheva V. Simulation of gas atmosphere of shielded zone in semi- automatic underwater welding- Interoceantechnology 1990-Szczecin, Poland, 29 May- 1 June 1990.
   50. Nikov N., Nickolova S. Slag- shield efficiency in “wet” underwater welding with flux . Interoceantechnology 1990-Szczecin, Poland, 29 May- 1 June 1990.
   51. Nikov N., Tomov P., Georgiev K. A study on the effect of coat composition of electrodes for “wet” underwater welding on some technological characteristics of welding and weled joints- Interoceantechnology 1990-Szczecin, Poland, 29 May- 1 June 1990.
   52. Nikov N., Georgiev K., Tomov P. A study on the effect of coat composition of electrodes for “wet” underwater welding on some technological characteristics of welding joints. INTEROCEANTECHNOLOGY’90, 29 May –1 June, 1990, Srczecin. Poland.

List of textbooks, Inventor’s Certificates and Patents:

   53. Nikov N.,and others. Theory of Welding, TU Varna, 1989.
   54. Nikov N.,Welding, part I, Theory of the welding process. TU Varna, 1989.
   55. Nikov N.,Technology of shipbuilding, part II, Welding of ship hull constructions.TU Varna, 1977.
   56. Nikov N.,Valkov G. Method of underwater electro-arc welding with one-side formation of the seam. Author’s Certificate ¹294600.
   57. Nikov N.,Method for plasma cutting of Metals. Author’s Certificate ¹40697.
   58. Nikov N., and others. Plasmotron for cutting metals electro-conductive materials. TU Varna Author’s Certificate ¹40035.
   59. Nikov N., Dichev P. Method and device for welding metals underwater. TU Varna Author’s Certificate ¹28896.
   60. Nikov N.,Beloev M. Method for plasma cutting of metals. Author’s Certificate ¹29755.
   61. Nikov N.,Ivanov I., Nikova Ò. Method and device for recovery of damaged hydraulic closures of water outlets of dams. TU Varna, Author’s Certificate ¹35540.
   62. Nikov N., Method for thermic electro-arc welding of metals, TU Varna, Author’s Certificate ¹44892.
   63. Nikov N., Tomov P., Electrode for underwater cutting of metals. TU Varna, Author’s Certificate ¹29463.
   64. Nikov N., Electrode for welding metals underwater and methods for its use. TU Varna, Author’sCertificate ¹29027.
   65. Nikov N., and others. Method and devices for plasma cutting of non-metal materials. TU Varna, Author’s Certificate ¹28301.
   66. Nikov N., Dobrev M., Kostadinov P. Power suply control device of plasmotron, TU Varna, Author’s Certificate ¹43403.
   67. Nikov N., Method for electro-arc welding of metals. TU Varna, Author’s Certificate ¹28897.
   68. Nikov N., Method for obtaining superficial layers of metal parts with enhanced mechanical characteristics, TU Varna, Author’s Certificate ¹41062.
   69. Nikov N., Beloev M. Plasmotron for cutting of metals. TU Varna, Author’s Certificate ¹30362.
   70. Nikov N., Kostadinov K., Slivinski A., Method for vertical electro-arc welding in protective environment, TU Varna, Author’s Certificate ¹37108.
   71. Nikov N., Device for semi-automatic electro-arc cutting of metals, TU Varna, Author’s Certificate ¹27414.
   72. Nikov N.,è äð. Universal burner for welding, overlaying welding and cutting of metals. TU Varna, Author’s Certificate ¹33044.
   73. Nikov N., Dicherv P. Method and device for semiautomatic electro-arc welding and underwater cutting of metals. TU Varna, Author’s Certificate ¹52246.
   74. Nikov.N., Yovev S. Damp-lubricant separator, Author’s Certificate ¹60954.
   75. Nikov N., Tomov P., Author’s Certificate ¹61329 – Electrode for underwater welding of steel.
   76. Nikov N., Method for thermic electro-arc welding of metals, Author’s Certificate ¹29620
 
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