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Titul page

STUDY ON THE EFFECT OF CATALYTIC FILTER FOR LIQUID FUEL UPON PETROL AND DIESEL ENGINE INDEXES.
ÈÇÑËÅÄÂÀÍÅ ÂËÈßÍÈÅÒÎ ÍÀ ÊÀÒÀËÈÒÈ×ÅÍ ÔÈËÒÚÐ ÇÀ ÒÅ×ÍÎ ÃÎÐÈÂÎ ÂÚÐÕÓ ÏÎÊÀÇÀÒÅËÈÒÅ ÍÀ ÁÅÍÇÈÍÎÂ È ÄÈÇÅËΠÄÂÈÃÀÒÅË

Dimitrov E., . S. Dimitrov P. ............................................. 3

STUDY ON THE EFFECT OF VALVE TIMING VARIATION, CAUSED DURING OPERATION, UPON THE INDEXES OF A DIESEL ENGINE
ÈÇÑËÅÄÂÀÍÅ ÂËÈßÍÈÅÒÎ ÍÀ ÏÐÎÌÅÍÈ ÂÚ ÔÀÇÈÒÅ ÍÀ ÃÀÇÎÐÀÇÏÐÅÄÅËÅÍÈÅ, ÏÐÅÄÈÇÂÈÊÀÍÈ Â ÏÐÎÖÅÑÀ ÍÀ ÅÊÑÏËÎÀÒÀÖÈß, ÂÚÐÕÓ ÏÎÊÀÇÀÒÅËÈÒÅ ÍÀ ÄÈÇÅËΠÄÂÈÃÀÒÅË

Dimitrov E. ............................................................................................ 7

INFLUENCE ÂÛÁÐÀÍÎÃÎ OF THE MATERIAL OF THE COVERING AT PLASMA THE DUSTING ON CHARACTER OF RESIDUAL PRESSURE
ÂËÈßÍÈÅ ÂÛÁÐÀÍÎÃÎ ÌÀÒÅÐÈÀËÀ ÏÎÊÐÛÒÈß ÏÐÈ ÏËÀÇÌÅÍÍÎÌ ÍÀÏÛËÅÍÈÅ ÍÀ ÕÀÐÀÊÒÅÐ ÎÑÒÀÒÎ×ÍÛÕ ÍÀÏÐ߯ÅÍÈÉ

Ñàâèíêèí Â., A. Äåðìàí, Ä. Êîïòÿåâ ....................................................... 10

EQUIVALENT HOLE AS AN EVALUATION CRITERION OF A RESIDUAL STRENGTH AFTER A LOW-SPEED
ÝÊÂÈÂÀËÅÍÒÎÍÎÅ ÎÒÂÅÐÑÒÈÅ ÊÀÊ ÊÐÈÒÅÐÈÉ ÎÑÒÀÒÎ×ÍÎÉ ÏÐÎ×ÍÎÑÒÈ ÊÎÌÏÎÇÈÒÍÎÃÎ ÌÀÒÅÐÈÀËÀ ÍÈÇÊÎÑÊÎÐÎÑÒÍÎÃÎ ÓÄÀÐÀ

Pavelko I., Ì. Smolyaninov ......................................... 12

RESEARCH ON THE PROTECTION OF PIEZOCERAMIC TRANSDUCERS FROM THE DESTRUCTION BY MECHANICAL LOADING
ÈÑÑËÅÄÎÂÀÍÈß ÏÎ ÇÀÙÈÒÅ ÏÜÅÇÎÊÅÐÀÌÈ×ÅÑÊÎÃÎ ÏÐÅÎÁÐÀÇÎÂÀÒÅËß ÎÒ ÐÀÇÐÓØÅÍÈß ÏÎÄ ÄÅÉÑÒÂÈÅÌ ÌÅÕÀÍÈ×ÅÑÊÎÉ ÍÀÃÐÓÇÊÈ

Pavelko I. ...................................................................................... 17

WORK WITH THE COMPUTING SYSTEMS IN TRANSPORTATION IN THE CZECH REPUBLIC
ÐAÁOTA Ñ KOMÏÜÞÒEPÍÛÌÈ CÈÑTEMAMÈ B TPAÍCÏOPTE B ×ÅØÑÊÎÉ ÐÅÑÏÓÁËÈÊÅ

Musilova I. .................................................................................... 22

INCREASE OF THE MANAGEMENT EFFICIENCY OF CITY PASSENGER TRANSPORT
ÏÎÂÛØÅÍÈÅ ÝÔÔÅÊÒÈÂÍÎÑÒÈ ÓÏÐÀÂËÅÍÈß ÃÎÐÎÄÑÊÎÃÎ ÏÀÑÑÀÆÈÐÑÊÎÃÎ ÒÐÀÍÑÏÎÐÒÀ

Êî÷àäçå Ò.Ï., Ã.À. Ëåêâåèøâèëè, Á.Â. Ñèðáèëàäçå ................................. 25

SIGNALIZED PEDESTRIAN CROSSING SIMULATION MODEL
ÈÌÈÒÀÖÈÎÍÅÍ ÌÎÄÅË ÍÀ ÏÅØÅÕÎÄÅÍ ÑÂÅÒÎÔÀÐ

Dimitrov S. .......................................................................................... 29

INVESTIGATION OF INFLUENCE REINFORCEMENTS IN CIRCUMSTANCES WHEN THE ASYMMETRIC LOAD ACTING ON GIRDER
ÈÑÑËÅÄÎÂÀÍÈÅ ÂËÈßÍÈß ÓÊÐÅÏËÅÍÈß B ÓÑËÎÂÈßÕ ÀÑÈÌÌÅÒÐÈ×ÍÎÉ ÍÀÃÐÓÇÊÈ ÍÀ ÁÀËÊÓ

Vrekic Sn., Ì. Zivkovic, Ì. Milovanovic, À Disic ........................................ 33

APPROACH FOR DETERMINING THE EFFICIENCY OF RO-LA TRANSPORT THROUGH BULGARIA
ÏÎÄÕÎÄ ÇÀ ÎÏÐÅÄÅËßÍÅ ÅÔÅÊÒÈÂÍÎÑÒÒÀ ÍÀ ÐÎ-ËÀ ÏÐÅÂÎÇÈ ÏÐÅÇ ÁÚËÃÀÐÈß

Áåðîâ Ò., Ä. Ñòîéêîâ, Â. Ñòàìåíîâ, È. Ñòîÿíîâ È. .......................... 37

A STAND FOR RESEARCHING THE ISOCHORIC HEATING OF FLUIDS
ÑÒÅÍÄ ÇÀ ÈÇÑËÅÄÂÀÍÅ ÍÀ ÈÇÎÕÎÐÍÎ ÇÀÃÐßÂÀÍÅ ÍÀ ÔËÓÈÄÈ

Nachev N., N. Atanasov ............................................................. 40