|
Õîí. ïðîô. ä-ð Âàëåíòèí Ëþáåíîâ Âåëåâ
|
 ñáîðíèê
| Äîêëàäè
| V Velev, S Salim, N Arhangelova, Calorimetric studies on tensile stress-induced crystallization of amorphous poly (ethylene terephthalate) filaments, 20 Jubilee International School on Condensed Matter Physics (JSCMP), Physics and Applications of Advanced and Multifunctional Materials, VARNA, September 3 – 7, 2018 |
16.04.2019 |
|
Õîí. ïðîô. ä-ð Âàëåíòèí Ëþáåíîâ Âåëåâ
|
 ñáîðíèê
| Äîêëàäè
| V Velev, S Salim, N Arhangelova, Calorimetric studies on tensile stress-induced crystallization of amorphous poly (ethylene terephthalate) filaments, 20th ISCMP, VARNA, September 3rd – 7th, 2018.
|
11.04.2019 |
|
Õîí. ïðîô. ä-ð Âàëåíòèí Ëþáåíîâ Âåëåâ
|
 ñáîðíèê
| Äîêëàäè
| V Velev, S Salim, N Arhangelova, Calorimetric studies on tensile stress-induced crystallization of amorphous poly (ethylene terephthalate) filaments, 20th ISCMP, VARNA, September 3rd – 7th, 2018.
|
11.04.2019 |
|
Õîí. ïðîô. ä-ð Âàëåíòèí Ëþáåíîâ Âåëåâ
|
 ñáîðíèê
| Ñòàòèè
| Æåíÿ Ñò. Ñòîÿíîâà, Âàëåíòèí Ë. Âåëåâ, Äåôîðìàöèîííî ïîâåäåíèå è ñòðóêòóðíè ïðîìåíè â ïîëèìåðíè âëàêíà ïîäëîæåíè íà òåðìîìåõàíè÷íî âúçäåéñòâèå, VI Íàöèîíàëíà ñòóäåíòñêà íàó÷íà êîíôåðåíöèÿ „ÎÒ ÀÒÎÌÀ ÄÎ ÊÎÑÌÎÑÀ“ 2018, ñòð. 50-55, 2018. |
11.04.2019 |
|
Õîí. ïðîô. ä-ð Âàëåíòèí Ëþáåíîâ Âåëåâ
|
 ñáîðíèê
| Ñòàòèè
| V. Velev, N. Arhangelova, D. Nedeva, A. Popov, Âèñîêîòåìïåðàòóðíî îðèåíòàöèîííî èçòåãëÿíå íà ÷àñòè÷íî êðèñòàëíè ïîëèåñòåðíè âëàêíà. Âëèÿíèå íà òåìïåðàòóðàòà, ÌÍÊ “ÓÍÈÒÅÕ ‘17”, òîì III, ñòð. 266-270, 2017. |
05.12.2017 |
|
Õîí. ïðîô. ä-ð Âàëåíòèí Ëþáåíîâ Âåëåâ
|
 ñáîðíèê
| Ñòàòèè
| V. Velev, A. Popov, N. Arhangelova, H. Hristov, R. Mateva, D. Nedeva, Âèñîêîòåìïåðàòóðíî îðèåíòàöèîííî èçòåãëÿíå íà ÷àñòè÷íî êðèñòàëíè ïîëèåñòåðíè âëàêíà. Âëèÿíèå íà ñòåïåíòà íà óäúëæåíèå, ÌÍÊ “ÓÍÈÒÅÕ ‘16”, òîì IV, ñòð. 362-366, 2016. |
29.11.2016 |
|
Õîí. ïðîô. ä-ð Âàëåíòèí Ëþáåíîâ Âåëåâ
|
 ñáîðíèê
| Ñòàòèè
| V. Velev, A. Popov, N. Arhangelova, H. Hristov, R. Mateva, D. Nedeva, Îðèåíòàöèîííî èçòåãëÿíå íà åäíîîñíî îðèåíòèðàí ïîëèåòèëåíòåðåôòàëàò, ÌÍÊ “ÓÍÈÒÅÕ ‘16”, òîì IV, ñòð. 332-336, 2016. |
29.11.2016 |
|
Õîí. ïðîô. ä-ð Âàëåíòèí Ëþáåíîâ Âåëåâ
|
 ñáîðíèê
| Ñòàòèè
| H. Hristov, V. Velev, R. Mateva, P. Danailov, Îáëú÷âàíå íà ñèíòåðèçèðàíè êðèñòàëè ñ óëòðàâèîëåòîâà ñâåòëèíà, ÌÍÊ “ÓÍÈÒÅÕ ‘16”, òîì IV, ñòð. 329-331, 2016. |
29.11.2016 |
|
Õîí. ïðîô. ä-ð Âàëåíòèí Ëþáåíîâ Âåëåâ
|
 ñáîðíèê
| Ñòàòèè
| A. Popov, T. Angelov, N. Todorov, Y. Denev, V. Velev, Orientation Download of Polycaprolactam. II. Optimization of the Orientation Conditions, Science & Technologies, Vol. VI (4), p. 73-78, 2016. |
29.11.2016 |
|
Õîí. ïðîô. ä-ð Âàëåíòèí Ëþáåíîâ Âåëåâ
|
 ñáîðíèê
| Ñòàòèè
| A. Popov, T. Angelov, N. Todorov, Y. Denev, V. Velev, Orientation Download of Polycaprolactam. I. Primary Structures, Science & Technologies,
Vol. VI (4), p. 66-72, 2016. |
29.11.2016 |
|
Õîí. ïðîô. ä-ð Âàëåíòèí Ëþáåíîâ Âåëåâ
|
 ðåôåðèðàíè èçäàíèÿ
| Ñòàòèè
| Â. Âåëåâ, Ï. Êþðê÷èåâ, Í. Àðõàíãåëîâà, Ð. Ìàòåâà, Í. Ñîòèðîâà, Ä. Íåäåâà, Õð. Õðèñòîâ, Êàëîðèìåòðè÷íè èçñëåäâàíèÿ íà ìîäèôèöèðàíè ÷àñòè÷íî êðèñòàëíè ïîëèìåðíè îáåêòè, ÌÍÊ “ÓÍÈÒÅÕ 2015”, òîì IV, ñòð. 457 - 460, 2015. |
26.11.2015 |
|
Õîí. ïðîô. ä-ð Âàëåíòèí Ëþáåíîâ Âåëåâ
|
 ñáîðíèê
| Ñòàòèè
| T. Àíãåëîâ, À. Ïîïîâ, Äîíêà Òîäîðîâà, É. Äåíåâ, Âàëåíòèí Âåëåâ, Îðèåíòàöèîííî ïðåóñòðîéñòâî íà èçîòðîïíè ñòðóêòóðè íà ïîëèêàïðîëàêòàìà. II. Êðèñòàëèçèðàëè èçîòåðìè÷íî èëè ïðè ðàçëè÷íè òåõíîëîãè÷íè óñëîâèÿ ñòðóêòóðè, Ñáîðíèê ìàòåðèàëè îò XXV ÌÍÊ, Ñòàðà Çàãîðà, òîì ¬V, 4, 154-158, 2015. |
26.11.2015 |
|
Õîí. ïðîô. ä-ð Âàëåíòèí Ëþáåíîâ Âåëåâ
|
 ñáîðíèê
| Ñòàòèè
| T. Àíãåëîâ, À. Ïîïîâ, Äîíêà Òîäîðîâà, É. Äåíåâ, Âàëåíòèí Âåëåâ, Îðèåíòàöèîííî ïðåóñòðîéñòâî íà èçîòðîïíè ñòðóêòóðè íà ïîëèêàïðîëàêòàìà. I. Àìîðôèçèðàíè äúëáîêî çàêàëåíè ñòðóêòóðè, Ñáîðíèê ìàòåðèàëè îò XXV ÌÍÊ, Ñòàðà Çàãîðà, òîì ¬V, 4, 149-153, 2015. |
26.11.2015 |
|
Õîí. ïðîô. ä-ð Âàëåíòèí Ëþáåíîâ Âåëåâ
|
Ñ èìïàêò ôàêòîð
| Ñòàòèè
| H. Y. Hristov, V. L. Velev, N. M. Uzunov, Feasibility Studies of EU+LI Co-Doped GD2O3 as a Thermo Luminescence Detector for UV Emission, International Journal of Recent Technology and Engineering, Vol.4(1), ð. 29-31, 2015. |
26.11.2015 |
|
Õîí. ïðîô. ä-ð Âàëåíòèí Ëþáåíîâ Âåëåâ
|
Ñ èìïàêò ôàêòîð
| Ñòàòèè
| V. Velev, H. Hristov, A. Popov, Ch. Betchev, Calorimetric Studies of Poly(ethylene terephthalate) (PET) Fibers. Cold Crystallization Kinetics, International Journal of Recent Technology and Engineering, Vol.4(1), ð. 32-36, 2015. |
26.11.2015 |
|
Õîí. ïðîô. ä-ð Âàëåíòèí Ëþáåíîâ Âåëåâ
|
Ñ èìïàêò ôàêòîð
| Ñòàòèè
| K. Gyurova, I. Petrova, A. Popov, V. Velev, H. Hristov, T. Angelov, Determination of the Phase Transitions Enthalpy and the Polymers Degree of crystallinity by Differential Scanning Calorimetry. Effects of the Calibration and Experimental Conditions, International Journal of Recent Technology and Engineering, Vol.4(1), ð. 37-40, 2015. |
26.11.2015 |
|
Õîí. ïðîô. ä-ð Âàëåíòèí Ëþáåíîâ Âåëåâ
|
Ñ èìïàêò ôàêòîð
| Ñòàòèè
| H. Hristov, V. Velev, N. Arhangelova, V. Bozadzhiev, N. Uzunov, On the Possibility to Measure Solar Ultraviolet Emission Using the Thermoluminescence of Specific Crystals, International Journal of Recent Technology and Engineering, Vol.4(1), ð. 25-28, 2015. |
26.11.2015 |
|
Õîí. ïðîô. ä-ð Âàëåíòèí Ëþáåíîâ Âåëåâ
|
 ðåôåðèðàíè èçäàíèÿ
| Ñòàòèè
| N. Uzunov, H. Hristov, V. Velev, N. Arhangelova, V. Bozadzhiev, D. Nedeva, I. Penev, Assessment of trap Parameters Related With Thermoluminescence Peaks in BGO Single Crystals Doped With Vanadium, International Journal of Recent Technology and Engineering, Vol.4(1), ð. 12-15, 2015. |
26.11.2015 |
|
Õîí. ïðîô. ä-ð Âàëåíòèí Ëþáåíîâ Âåëåâ
|
 ðåôåðèðàíè èçäàíèÿ
| Ñòàòèè
| V. Velev, A. Popov, H. Hristov, T. Dimov, High Temperature Orientation Modification of undrawn polyester filaments. Complex influence of the Temperature and Tensile Stress, International Journal of Recent Technology and Engineering, Vol.4(1), ð. 8-11, 2015. |
26.11.2015 |
|
Õîí. ïðîô. ä-ð Âàëåíòèí Ëþáåíîâ Âåëåâ
|
 ðåôåðèðàíè èçäàíèÿ
| Ñòàòèè
| V. Velev, H. Hristov, A. Popov, T. Dimov, Deformation and Phase Behavior of Thermo-Mechanically Modified As-Spun Polyester Fibers, International Journal of Recent Technology and Engineering, Vol.4(1), ð. 4-7, 2015. |
26.11.2015 |
|
Õîí. ïðîô. ä-ð Âàëåíòèí Ëþáåíîâ Âåëåâ
|
 ðåôåðèðàíè èçäàíèÿ
| Ñòàòèè
| V. L. Velev, A. N. Popov, T. N. Dimov, H. Y. Hristov, Structural Changes in Amorphous Poly (Ethylene Terephthalate) Fibers Caused By Combined Heat Mechanical Treatment, International Journal of Recent Technology and Engineering, Vol.4(1), ð. 1-3, 2015. |
26.11.2015 |
|
Õîí. ïðîô. ä-ð Âàëåíòèí Ëþáåíîâ Âåëåâ
|
 ñáîðíèê
| Ñòàòèè
| Öîíåâ È., Ëàëåâ Õð., Âåëåâ Â., Ìîíèòîðèíã íà ôèçè÷åñêè è òåõíîëîãè÷íè ïðîöåñè, Íàó÷íà ñåñèÿ, ÍÂÓ “Â. Ëåâñêè”, Ñáîðíèê íàó÷íè òðóäîâå, ò. ²², 216 – 225, 2007. |
26.11.2015 |
|
Õîí. ïðîô. ä-ð Âàëåíòèí Ëþáåíîâ Âåëåâ
|
 ãîäèøíèê
| Ñòàòèè
| Âåëåâ Â., Áå÷åâ Õð., Âëèÿíèå íà ïðåäâàðèòåëíàòà îðèåíòàöèÿ íà ïîëèåñòåðíè âëàêíà âúðõó ïðåõîäà ñòúêëîâèäíî – âèñîêîåëàñòè÷íî ñúñòîÿíèå, Ãîäèøíèê íà ØÓ”Åï. Ê. Ïðåñëàâñêè” ò. ÕV² Â1, Ïðèðîäíè íàóêè, 121-128, 2006. |
26.11.2015 |
|
Õîí. ïðîô. ä-ð Âàëåíòèí Ëþáåíîâ Âåëåâ
|
 ãîäèøíèê
| Ñòàòèè
| Âåëåâ Â., Óñòàíîâêà çà êîìáèíèðàíî òîïëèííî è ìåõàíè÷íî âúçäåéñòâèå âúðõó îðèåíòèðàíè ïîëèìåðíè ìàòåðèàëè, Ãîäèøíèê íà ØÓ”Åï. Ê. Ïðåñëàâñêè” ò. ÕV² Â1, Ïðèðîäíè íàóêè, 136-143, 2006. |
26.11.2015 |
|
Õîí. ïðîô. ä-ð Âàëåíòèí Ëþáåíîâ Âåëåâ
|
 ñáîðíèê
| Ñòàòèè
| Âåëåâ Â., Äèìîâ Ò., Èëèåâ È., Áå÷åâ Õð., Èçñëåäâàíå íà ÷àñòè÷íî êðèñòàëíè ïîëèìåðíè ñòðóêòóðè ñ øèðîêîúãëîâî ðåíòãåíîâî ðàçñåéâàíå, ÍÊ ”60 ãîäèíè ÑÓÁ”, Ðóñå, 29, 30.10., Íàó÷íè òðóäîâå, ò. 41(6.1), 122 – 125, 2004. |
26.11.2015 |
|
Õîí. ïðîô. ä-ð Âàëåíòèí Ëþáåíîâ Âåëåâ
|
 ñáîðíèê
| Ñòàòèè
| Âåëåâ Â., Òàíåâà Ä., Áå÷åâ Õð., Çàâèñèìîñò íà òåìïåðàòóðàòà íà âñòúêëÿâàíå îò ñòåïåíòà íà îðèåíòàöèÿ íà àìîðôåí åäíîîñíî îðèåíòèðàí ïîëèåòèëåíòåðåôòàëàò, Ïðèðîäíè íàóêè 2004, Øóìåí, Ñáîðíèê äîêëàäè, 43-50, 2004. |
26.11.2015 |
|
Õîí. ïðîô. ä-ð Âàëåíòèí Ëþáåíîâ Âåëåâ
|
 ñáîðíèê
| Ñòàòèè
| Âåëåâ Â., Äèìîâ Ò., Èëèåâ È., Áå÷åâ Õð., Ïîëèìåðèòå-ïðèìåð çà
èíòåðäèñöèïëèíàðíè âðúçêè ìåæäó ôèçèêà, õèìèÿ è áèîëîãèÿ, Áëàãîåâãðàä, Ñáîðíèê äîêëàäè, 142 – 144, 2004.
|
26.11.2015 |
|
Õîí. ïðîô. ä-ð Âàëåíòèí Ëþáåíîâ Âåëåâ
|
 ñáîðíèê
| Ñòàòèè
| Âåëåâ Â., Äèìîâ Ò., Èëèåâ È., Áå÷åâ Õð., Öèêúë îò ëåêöèè ïî Ôèçèêà íà ïîëèìåðèòå â íÿêîè ó÷åáíè äèñöèïëèíè, XXXI Íàöèîíàëíà êîíôåðåíöèÿ ïî ôèçèêà, Ñèëèñòðà, 15-18.05.2003, Ñáîðíèê äîêëàäè, 243 – 246, 2003. |
26.11.2015 |
|
Õîí. ïðîô. ä-ð Âàëåíòèí Ëþáåíîâ Âåëåâ
|
 ñáîðíèê
| Ñòàòèè
| Âåëåâ Â., Äèìîâ Ò., Èëèåâ È., Áå÷åâ Õð., Ìíîæåñòâåíè ïèêîâå íà òîïåíå â ÄÑÊ êðèâèòå íà òåðìîìåõàíè÷íî îáðàáîòåíè åäíîîñíî îðèåíòèðàíè ïîëèìåðè, Ïðèðîäíè íàóêè 2003, Øóìåí, Ñáîðíèê äîêëàäè, 21-24, 2003. |
26.11.2015 |
|
Õîí. ïðîô. ä-ð Âàëåíòèí Ëþáåíîâ Âåëåâ
|
 ñáîðíèê
| Ñòàòèè
| Âåëåâ Â., Áå÷åâ Õð., Âëèÿíèå íà ìåõàíè÷íîòî âúçäåéñòâèå âúðõó êèíåòèêàòà íà êðèñòàëèçàöèÿ íà åäíîîñíî îðèåíòèðàí ïîëèåòèëåíòåðåôòàëàò, ÞÍÊ, Øóìåí, Ñáîðíèê äîêëàäè, Ïðèðîäíè íàóêè, Ôèçèêà, 89 – 95, 2003. |
26.11.2015 |
|
Õîí. ïðîô. ä-ð Âàëåíòèí Ëþáåíîâ Âåëåâ
|
 ãîäèøíèê
| Ñòàòèè
| Âåëåâ Â., Áå÷åâ Õð., Èçñëåäâàíå íà åäíîâðåìåííîòî òîïëèííî è ìåõàíè÷íî âúçäåéñòâèÿ âúðõó êðèñòàëèçàöèÿòà íà åäíîîñíî îðèåíòèðàí àìîðôåí ïîëèåòèëåíòåðåôòàëàò, Ãîäèøíèê íà ØÓ ”Åïèñêîï Êîíñòàíòèí Ïðåñëàâñêè” , ò. ÕV  Ïðèðîäíè íàóêè, 169-176, 2003. |
26.11.2015 |
|
Õîí. ïðîô. ä-ð Âàëåíòèí Ëþáåíîâ Âåëåâ
|
 ãîäèøíèê
| Ñòàòèè
| C. Uzov, B. Bogdanov, S. Uzova, A. Popov, V. Velev, T. Angelov, Wide-angle X-ray diffraction and electroconductivity of binary mixtures of high-molecular poly(ethylene oxide) and NaSCN, Annual Assen Zlatarov University, Burgas, XLI (1), 53 – 58, 2012. |
25.11.2015 |
|
Õîí. ïðîô. ä-ð Âàëåíòèí Ëþáåíîâ Âåëåâ
|
 ãîäèøíèê
| Ñòàòèè
| C. Uzov, B. Bogdanov, S. Uzova, A. Popov, V. Velev, T. Angelov, Structure and structural transformations of polyethylene oxide-NaSCN complexes, Annual Assen Zlatarov University, Burgas, XLI (1), 48 – 52, 2012. |
25.11.2015 |
|
Õîí. ïðîô. ä-ð Âàëåíòèí Ëþáåíîâ Âåëåâ
|
Ñ èìïàêò ôàêòîð
| Ñòàòèè
| Popov A., Bogdanov B., Petrova I., Gyurova K., Nedelchev N., Velev V., Thermal studies on polycaprolactam, Journal of Thermal Analysis and Calorimetry, vol.111(2) pp.1539-1544, 2013. |
25.11.2015 |
|
Õîí. ïðîô. ä-ð Âàëåíòèí Ëþáåíîâ Âåëåâ
|
 ãîäèøíèê
| Ñòàòèè
| À. Ïîïîâ, Ò. Àíãåëîâ, X. Óçîâ, Â. Âåëåâ, Ñ. Ìèõàëåâà, Äåôîðìàöèîííî-ÿêîñòíî ïîâåäåíèå íà ÏÊË. I. Èçîòðîïíî ñúñòîÿíèå, Ãîäèøíèê íà Óíèâåðñèòåò „Ïðîô. Ä-ð Àñåí Çëàòàðîâ” – Áóðãàñ, ò. XLII (1), ñòð. 39 – 44, 2013. |
25.11.2015 |
|
Õîí. ïðîô. ä-ð Âàëåíòèí Ëþáåíîâ Âåëåâ
|
 íàó÷íî ñïèñàíèå
| Ñòàòèè
| H. Hristov, R. Mateva, N. Arhangelova, V. Velev, Y. Baneva, K. Boubaker, T. Larbi, G. Moschini, N. Uzunov, Thermoluminescence properties of hausmannite Mn3O4 thin films induced by UV light, Journal of Physics: Conference Series, 558, 012034, doi:10.1088/1742-6596/558/1/012034, 2014. |
25.11.2015 |
|
Õîí. ïðîô. ä-ð Âàëåíòèí Ëþáåíîâ Âåëåâ
|
 íàó÷íî ñïèñàíèå
| Ñòàòèè
| V. Velev, A. Popov, P. Kyurkchiev, L. Veleva, M. Pencheva, WAXS Studies of Heat Mechanically Modified Amorphous PET Fibers. Role of the Tensile Stress, Journal of Physics: Conference Series, 558, 012051, doi:10.1088/1742-6596/558/1/012051, 2014. |
25.11.2015 |
|
Õîí. ïðîô. ä-ð Âàëåíòèí Ëþáåíîâ Âåëåâ
|
 íàó÷íî ñïèñàíèå
| Ñòàòèè
| V. Velev, A. Popov, N. Arhangelova, P. Kyurkchiev, S. Stefanova, P. Sartori, N. Uzunov, X-ray Investigations of Proton Irradiation Induced Structure Development in Polyester Fibers, Journal of Physics: Conference Series, 558, 012050, doi:10.1088/1742-6596/558/1/012050, 2014. |
25.11.2015 |
|
Õîí. ïðîô. ä-ð Âàëåíòèí Ëþáåíîâ Âåëåâ
|
Äðóãè
| Ìîíîãðàôèè
| Â. Ë. Âåëåâ, À. Í. Ïîïîâ, ÑÒÐÓÊÒÓÐÍÈ ÏÐÎÌÅÍÈ Â ÒÅÐÌÎÌÅÕÀÍÈ×ÍÎ ÌÎÄÈÔÈÖÈÐÀÍÈ ÏÎËÈÅÒÈËÅÍÒÅÐÅÔÒÀËÀÒÍÈ ÂËÀÊÍÀ
|
25.11.2015 |
|
Õîí. ïðîô. ä-ð Âàëåíòèí Ëþáåíîâ Âåëåâ
|
 ðåôåðèðàíè èçäàíèÿ
| Ñòàòèè
| N. Arhangelova , M. Pencheva D. Vasileva J. Dimitrova, V. Velev, H. Hristov, M. Bello, N. Uzunov, Quantity elemental analysis of herbs collected in the region of Shumen plateau, Northeastern Bulgaria, ÌÍÊ “ÓÍÈÒÅÕ 2014”, òîì IV, ñòð. 354-357, 2014. |
26.11.2014 |
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Õîí. ïðîô. ä-ð Âàëåíòèí Ëþáåíîâ Âåëåâ
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 ðåôåðèðàíè èçäàíèÿ
| Ñòàòèè
| H. Hristov, S. Stoyanov, N. Arhangelova, N. Uzunov V. Velev, Pulse-counting block for gas-filled radiation detectors, ÌÍÊ “ÓÍÈÒÅÕ 2014”, òîì IV, ñòð. 351-353, 2014. |
26.11.2014 |
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Õîí. ïðîô. ä-ð Âàëåíòèí Ëþáåíîâ Âåëåâ
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 ðåôåðèðàíè èçäàíèÿ
| Ñòàòèè
| Â. Âåëåâ, Ð. Ìàòåâà, Í. Àðõàíãåëîâà, Õð. Õðèñòîâ, Ï. Êþðê÷èåâ, Ñ. Èëèåâà, Îïðåäåëÿíå òåìïåðàòóðàòà íà âñòúêëÿâàíå íà àìîðôíè ïîëèåñòåðíè âëàêíà ïî ìåòîäà íà ñèëè íà ñâèâàíå, ÌÍÊ “ÓÍÈÒÅÕ 2014”, òîì IV, ñòð. 364-367, 2014. |
26.11.2014 |
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Õîí. ïðîô. ä-ð Âàëåíòèí Ëþáåíîâ Âåëåâ
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 ðåôåðèðàíè èçäàíèÿ
| Ñòàòèè
| V. Velev, A. Popov, N. Arhangelova, P. Kyurkchiev, H. Hristov, P. Sartori, M. Bello, N. Uzunov, WAXS studies of the structure development in poly (ethylene terephthalate) fibers caused by proton beam irradiation, Journal Science Education Innovation, vol. 2, pp. 108-113, 2014. |
25.11.2014 |
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Õîí. ïðîô. ä-ð Âàëåíòèí Ëþáåíîâ Âåëåâ
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 ñáîðíèê
| Ñòàòèè
| Â. Âåëåâ, À. Ïîïîâ, Ë. Âåëåâà, Ï. Êþðê÷èåâ, Ð. Ìàòåâà, Òåðìè÷íè èçñëåäâàíèÿ íà ïîëèåñòåðíè âëàêíà: I. Ðîëÿ íà ìåõàíè÷íîòî âúçäåéñòâèå ïðè âèñîêîòåìïåðàòóðíî îðèåíòàöèîííî èçòåãëÿíå, Ñáîðíèê äîêëàäè îò òðåòà ÌÍÊ „Íàóêà, îáðàçîâàíèå, èíîâàöèè”, ñòð. 366-372, Øóìåí, 2014. |
25.11.2014 |
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Õîí. ïðîô. ä-ð Âàëåíòèí Ëþáåíîâ Âåëåâ
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 ñáîðíèê
| Ñòàòèè
| Ñ. Ñòåôàíîâà, Â. Âåëåâ, À. Ïîïîâ, Ï. Êþðê÷èåâ, Ðåíòãåíîñòðóêòóðíè èçñëåäâàíèÿ íà ïîëèåòèëåíòåðåôòàëàò, Ñáîðíèê äîêëàäè îò âòîðà ÑÍÊ „Îò àòîìà äî êîñìîñà”, ñòð. 45-48, 2014. |
25.11.2014 |
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Õîí. ïðîô. ä-ð Âàëåíòèí Ëþáåíîâ Âåëåâ
|
 ñáîðíèê
| Ñòàòèè
| Ì. Ïåí÷åâà, Â. Âåëåâ, À. Ïîïîâ, Ï. Êþðê÷èåâ, Òîïåíå íà âèñîêîòåìïåðàòóðíî èçòåãëåí ïîëèåòèëåíòåðåôòàëàò: Âëèÿíèå íà òåìïåðàòóðàòà, Ñáîðíèê äîêëàäè îò âòîðà ÑÍÊ „Îò àòîìà äî êîñìîñà”, ñòð. 49-52, 2014. |
25.11.2014 |
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Õîí. ïðîô. ä-ð Âàëåíòèí Ëþáåíîâ Âåëåâ
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 ðåôåðèðàíè èçäàíèÿ
| Ñòàòèè
| V. Velev, A. Popov, N. Todorov, Interdisciplinary lectures on polymer material science in the educational subjects, Journal Science Education Innovation, vol. 2, pp. 103-107, 2014. |
25.11.2014 |
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Õîí. ïðîô. ä-ð Âàëåíòèí Ëþáåíîâ Âåëåâ
|
 ðåôåðèðàíè èçäàíèÿ
| Ñòàòèè
| V. Velev, A. Popov, N. Arhangelova, P. Kyurkchiev, H. Hristov, M. Bello, G. Moschini, N. Uzunov, Effect of proton irradiation on the structure development of polyethylene terephthalate fibers, Journal Scientific and Applied Research, vol. 5, pp. 181-185, 2014. |
25.11.2014 |
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Õîí. ïðîô. ä-ð Âàëåíòèí Ëþáåíîâ Âåëåâ
|
 ðåôåðèðàíè èçäàíèÿ
| Ñòàòèè
| V. Velev, V. Grozev, A. Popov, R. Androsch, T. Dimov, L. Veleva, H.-J. Radusch, Modeling of the influence of the thermomechanical modification parameters on the structural changes in polyester fibers, Journal Scientific and Applied Research, vol. 5, pp. 173-180, 2014. |
25.11.2014 |
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Õîí. ïðîô. ä-ð Âàëåíòèí Ëþáåíîâ Âåëåâ
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 ðåôåðèðàíè èçäàíèÿ
| Ñòóäèè
| Valentin Velev, Anton Popov, Bogdan Bogdanov, Ãëàâà ñúñ çàãëàâèå “Heat – mechanically induced structure development in undrawn polyester fibers” îò êíèãàòà “Thermodynamics - Systems in Equilibrium and Non-Equilibrium”, ñòð. 89-114, ISBN 978-953-307-283-8, 2011 |
25.11.2014 |
