11 research outputs found
Diabetes mellitus in pathogenesis of periodontal diseases
Iz pregleda epidemioloÅ”kih i kliniÄkih ispitivanja kao i eksperimentalnih studija, uoÄljivo je da je parodontna bolest izraženija u bolesnika oboljelih od neregulirane Å”eÄerne bolesti i da progresija parodontne bolesti brže napreduje u toj grupi oboljelih. U bolesnika s Tipom I Å”eÄerne bolesti resoprcija alveolne kosti u velikom broju sluÄajeva zapoÄinje veÄ u doba puberteta i progredira
s dobi. TakoÄer je dokazano da takvi bolesnici imaju jaÄe izraženu upalu gingivnog tkiva. MoguÄi patogenetski mehanizmi odgovorni za intenzivniju i bržu destrukciju parodontnih tkiva su: oÅ”teÄeni obrambeni mehanizmi koji primamo ukljuÄuju smanjenu fagocitozu i kemotaksu polimorfonukleamih leukocita, zatim promijenjenu mikrobioloÅ”ku floru u parodontnim džepovima te poremeÄeni metabolizam kolagena i vaskularne promjene.A survey of the epidemiological, clinical and experimental studies has
shown the periodontal disease to be more frequent in the patients suffering from uncontrolled diabetes mellitus and to progress more rapidly in this group of subjects affected by the disease. In a large number of type 1 diabetics, alveolar bone resorption begins as early as puberty, progressing with aging. Gingival tissue inflammation was also demonstrated to be more markedly present in these patients. The following pathogenetic mechanisms could possibly be responsible for a more intensive and faster destruction of the periodontal tissues: impaired protective mechanisms primarily involving diminished phagocytosis and chemotaxis of polymorphonuclear leukocytes, an
altered microbiological flora in the periodontal pockets, an impaired metabolism of collagen, and vascular changes
Diabetes mellitus in pathogenesis of periodontal diseases
Iz pregleda epidemioloÅ”kih i kliniÄkih ispitivanja kao i eksperimentalnih studija, uoÄljivo je da je parodontna bolest izraženija u bolesnika oboljelih od neregulirane Å”eÄerne bolesti i da progresija parodontne bolesti brže napreduje u toj grupi oboljelih. U bolesnika s Tipom I Å”eÄerne bolesti resoprcija alveolne kosti u velikom broju sluÄajeva zapoÄinje veÄ u doba puberteta i progredira
s dobi. TakoÄer je dokazano da takvi bolesnici imaju jaÄe izraženu upalu gingivnog tkiva. MoguÄi patogenetski mehanizmi odgovorni za intenzivniju i bržu destrukciju parodontnih tkiva su: oÅ”teÄeni obrambeni mehanizmi koji primamo ukljuÄuju smanjenu fagocitozu i kemotaksu polimorfonukleamih leukocita, zatim promijenjenu mikrobioloÅ”ku floru u parodontnim džepovima te poremeÄeni metabolizam kolagena i vaskularne promjene.A survey of the epidemiological, clinical and experimental studies has
shown the periodontal disease to be more frequent in the patients suffering from uncontrolled diabetes mellitus and to progress more rapidly in this group of subjects affected by the disease. In a large number of type 1 diabetics, alveolar bone resorption begins as early as puberty, progressing with aging. Gingival tissue inflammation was also demonstrated to be more markedly present in these patients. The following pathogenetic mechanisms could possibly be responsible for a more intensive and faster destruction of the periodontal tissues: impaired protective mechanisms primarily involving diminished phagocytosis and chemotaxis of polymorphonuclear leukocytes, an
altered microbiological flora in the periodontal pockets, an impaired metabolism of collagen, and vascular changes
Hybrid drive of road vehicles
Cestovna motorna vozila su nastala kada se pojavio prvi automobil koji je bio pogonjen parnim
strojem (1769. Francuz N. J. Cugnot), taj parni automobil je bio u moguÄnosti povuÄi 5t tereta
i razvijao je brzinu od 5 km/h, ali se morao zaustavljati svakih 12 do 15 min kako bi se postigao
potreban tlak pare i automobil nastavio gibati.
Prvi automobil s motorom s unutarnjim izgaranjem izgradio je Carl Benz 3. srpnja. 1886 godine
u Mannheimu i od tada pa do danas razvijala se automobilska industrija u tom smjeru da
danaÅ”nja vozila koriste āmoderne pogoneā kao Å”to su:
1. motori s unutarnjim izgaranjem,2. elektromotori , 3. hibridni pogon.
Potreba za hibridnim automobilom nastala je zbog:
1. iskoriŔtavanja neobnovljivih oblika energije koji koriste motori s unutarnjim izgaranjem
i zagaÄuju okoliÅ”, 2. nepraktiÄnosti elektriÄnih automobila kojim je potrebna veÄa koliÄina vremena za
punjenje, te mali domet vozila.
Hibridni pogon u cestovnom prometu je relativno novitet u automobilskoj industriji, odnosi se
na vozila koji koriste dva ili viŔe izvora energije za napajanje, umjesto da koristi jedan izvor
napajanja kao tradicionalni automobil.Road motor vehicles were created when the first steam-powered car appeared. (1769. French
N.J. Cugnot). The steam car could pull a load of 5 t and develop a speed of 5 km / h, but had to
stop every 12 to 15 minutes to achieve the necessary pressure to operate the car.
The first car with an internal combustion engine was built by Carl Benz on the 3rd July of 1886
in Mannheim. Since then, the automotive industry has evolved in the direction in which vehicles
today use āmodern propulsion,ā such as:
1. Internal combustion engines, 2. Electric motors 3. Hybrid propulsion.
The need for a hybrid car arose due to:
1. exploitation of non-renewable forms of energy that is on the earth, which internal
combustion engines use and polute the environment
2. the impracticality of electric cars that require a larger amount of charging time and a
small scope of vehicles.
Hybrid propulsion in road traffic is relatively new in the automotive industry, but a hybrid
vehicle refers to a vehicle that uses two or more energy sources instead of using one energy
source like a traditional car. It is the most common combination of petrol or Diesel engines and
electromotor
Hybrid drive of road vehicles
Cestovna motorna vozila su nastala kada se pojavio prvi automobil koji je bio pogonjen parnim
strojem (1769. Francuz N. J. Cugnot), taj parni automobil je bio u moguÄnosti povuÄi 5t tereta
i razvijao je brzinu od 5 km/h, ali se morao zaustavljati svakih 12 do 15 min kako bi se postigao
potreban tlak pare i automobil nastavio gibati.
Prvi automobil s motorom s unutarnjim izgaranjem izgradio je Carl Benz 3. srpnja. 1886 godine
u Mannheimu i od tada pa do danas razvijala se automobilska industrija u tom smjeru da
danaÅ”nja vozila koriste āmoderne pogoneā kao Å”to su:
1. motori s unutarnjim izgaranjem,2. elektromotori , 3. hibridni pogon.
Potreba za hibridnim automobilom nastala je zbog:
1. iskoriŔtavanja neobnovljivih oblika energije koji koriste motori s unutarnjim izgaranjem
i zagaÄuju okoliÅ”, 2. nepraktiÄnosti elektriÄnih automobila kojim je potrebna veÄa koliÄina vremena za
punjenje, te mali domet vozila.
Hibridni pogon u cestovnom prometu je relativno novitet u automobilskoj industriji, odnosi se
na vozila koji koriste dva ili viŔe izvora energije za napajanje, umjesto da koristi jedan izvor
napajanja kao tradicionalni automobil.Road motor vehicles were created when the first steam-powered car appeared. (1769. French
N.J. Cugnot). The steam car could pull a load of 5 t and develop a speed of 5 km / h, but had to
stop every 12 to 15 minutes to achieve the necessary pressure to operate the car.
The first car with an internal combustion engine was built by Carl Benz on the 3rd July of 1886
in Mannheim. Since then, the automotive industry has evolved in the direction in which vehicles
today use āmodern propulsion,ā such as:
1. Internal combustion engines, 2. Electric motors 3. Hybrid propulsion.
The need for a hybrid car arose due to:
1. exploitation of non-renewable forms of energy that is on the earth, which internal
combustion engines use and polute the environment
2. the impracticality of electric cars that require a larger amount of charging time and a
small scope of vehicles.
Hybrid propulsion in road traffic is relatively new in the automotive industry, but a hybrid
vehicle refers to a vehicle that uses two or more energy sources instead of using one energy
source like a traditional car. It is the most common combination of petrol or Diesel engines and
electromotor
Short-term electricity load and price forecasting
PredviÄanje potroÅ”nje i cijene elektriÄne energije važno je za ispravno upravljanje elektro-energetskim sustavom i donoÅ”enje pravilnih ekonomskih odluka.
Opisani je problem kratkoroÄnog predviÄanja potroÅ”nje i cijene elektriÄne energije.
Predstavljena su moguÄa rjeÅ”enja problema predviÄanja i implementirano je vlastito rjeÅ”enje koristeÄi neuronsku mrežu sa nasumiÄno postavljenim težinama (ELM mreža).
Opisan je rad ELM mreža i usporeÄena je njihova uÄinkovitost sa drugim rjeÅ”enjima za predviÄanje.To correctly manage the electricity grid and to make sound economic decisions, it is important to make good predictions on price and demand of electricity.
Problems of shot-term load and price forecasting are described.
Possible solutions to the problem of prediction are presented and own solution using extreme learning machine (ELM) is offered.
Operation of ELM is described and its performance is compared to other forecast solutions
Short-term electricity load and price forecasting
PredviÄanje potroÅ”nje i cijene elektriÄne energije važno je za ispravno upravljanje elektro-energetskim sustavom i donoÅ”enje pravilnih ekonomskih odluka.
Opisani je problem kratkoroÄnog predviÄanja potroÅ”nje i cijene elektriÄne energije.
Predstavljena su moguÄa rjeÅ”enja problema predviÄanja i implementirano je vlastito rjeÅ”enje koristeÄi neuronsku mrežu sa nasumiÄno postavljenim težinama (ELM mreža).
Opisan je rad ELM mreža i usporeÄena je njihova uÄinkovitost sa drugim rjeÅ”enjima za predviÄanje.To correctly manage the electricity grid and to make sound economic decisions, it is important to make good predictions on price and demand of electricity.
Problems of shot-term load and price forecasting are described.
Possible solutions to the problem of prediction are presented and own solution using extreme learning machine (ELM) is offered.
Operation of ELM is described and its performance is compared to other forecast solutions
Short-term electricity load and price forecasting
PredviÄanje potroÅ”nje i cijene elektriÄne energije važno je za ispravno upravljanje elektro-energetskim sustavom i donoÅ”enje pravilnih ekonomskih odluka.
Opisani je problem kratkoroÄnog predviÄanja potroÅ”nje i cijene elektriÄne energije.
Predstavljena su moguÄa rjeÅ”enja problema predviÄanja i implementirano je vlastito rjeÅ”enje koristeÄi neuronsku mrežu sa nasumiÄno postavljenim težinama (ELM mreža).
Opisan je rad ELM mreža i usporeÄena je njihova uÄinkovitost sa drugim rjeÅ”enjima za predviÄanje.To correctly manage the electricity grid and to make sound economic decisions, it is important to make good predictions on price and demand of electricity.
Problems of shot-term load and price forecasting are described.
Possible solutions to the problem of prediction are presented and own solution using extreme learning machine (ELM) is offered.
Operation of ELM is described and its performance is compared to other forecast solutions