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    Features and analysis of videotraffic

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    Cilj rada je prikazati značajke i analizu videoprometa koji se generira na nekoliko različitih načina. Opisuju se kodeci i video kompresija bez kojih ne bi bilo moguće prenijeti sadržaj. Svaka vrsta videoprometa ima različite zahtjeve za brzinama koja ovisi o čimbenicima kao što su kvaliteta slika i rezolucija monitora. Rad analiza parametre kvalitete usluge (QoS) : propusnost, kašnjenje, varijacija kašnjenja i gubitak paketa. Da se QoS održava i da ne bude poteškoća prilikom prijenosa sadržaja potrebno je uvesti mehanizme za osiguranje QoS.The aim of this thesis is to show the features and analysis of video traffic that is generated in several different ways. Codecs and video compression are described without which it would not be possible to transfer content. Each type of video traffic has different speed requirements that depend on factors such as image quality and monitor resolution. Operation analysis of service quality parameters (QoS) : bandwidth, delay, variation of delay and loss of packages. In order for QoS to be maintained and there are no difficulties when transferring content, it is necessary to introduce mechanisms to ensure QoS

    "Nursing interventions in preparing pregnant women for medical-tehnical procedures"

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    Uvod: Svaka osoba treba imati minimalno 12 pregleda tijekom trudnoće. Inicijalni pregled treba obaviti do 12. tjedna trudnoće. Provode se razni invazivni i neinvazivni dijagnostički postupci poput amniocenteze, amnioskopije, UZV, CTG-a, biopsije korionskih resica i kordocenteze. Ispitanici i metode: U prospektivnom istraživanju je korišten anonimni anketni upitnik koji je nasumičnim odabirom uključio 113 odraslih ispitanika oba spola. Rezultati: Statistički značajno veći broj ispitanika navodi da se je prenatalni dijagnostički postupak provodio zbog svih navedenih razloga, u odnosu na broj ispitanica koje su navele pojedinačne razloge (χ2= 4,923; p= 0,027). Utvrđene su statistički značajne razlike u broju ispitanika s obzirom na najpoznatije prenatalne dijagnostičke postupke (χ2= 28,452; p< 0,001), najveći broj njih je naveo amniocentezu, a najmanji broj kordocentezu i biopsiju korionskih resica. Zaključak: Može se zaključiti kako su ispitanici u dobroj mjeri upoznati s prenatalnim dijagnostičkim postupcima, ali naravno uvijek postoji mjesto za unaprjeđenje tog znanja, što zasigurno ispitanicama može pomoći da u još većoj mjeri razumiju važnost ovih postupaka i dobrobiti koje oni donose sa sobom.Introduction: Each person should have a minimum of 12 examinations during pregnancy. The initial examination should be done by the 12th week of pregnancy. Various invasive and non- invasive diagnostic procedures are performed, such as amniocentesis, amnioscopy, ultrasound, CTG, biopsy of chorionic villi and cordocentesis. Subjects and methods: In the prospective study, an anonymous survey questionnaire was used, which randomly selected 113 adult subjects of both sexes. Results: A statistically significantly higher number of respondents stated that the prenatal diagnostic procedure was performed for all of the stated reasons, compared to the number of respondents who stated individual reasons (χ2= 4.923; p= 0.027). Statistically significant differences were found in the number of respondents regarding the most well-known prenatal diagnostic procedures (χ2= 28.452; p< 0.001), the largest number of them mentioned amniocentesis, and the smallest number mentioned cordocentesis and biopsy of chorionic villi. Conclusion: It can be concluded that the respondents are well acquainted with prenatal diagnostic procedures, but of course there is always room for improvement of this knowledge, which can certainly help the respondents to understand even more the importance of these procedures and the benefits they bring with them

    The Fight Against Tax Fraud and Tax Evasion in European Union

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    U ovom završnom radu objašnjene su odrednice poreznog sustava Europske unije, obrazložena je harmonizacija poreznog sustava EU i nadležnost u poreznim pitanjima. Prikazana je primjena poreznih politika i suradnja zemalja članica s ciljem smanjenja poreznih prijevara. Nadalje rastumačen je pojam porezne evazije, dan je povijesni prikaz evazije i razgraničena je na zakonitu i nezakonitu te su dani konkretni primjeri za obje. Objašnjeni su efekti porezne evazije te su prikazane metode kojima se suzbija porezna evazija. Nadalje je dana definicija poreznih prijevara i njihov povijesni prikaz. Nabrojene su vrste poreznih prijevara, a poseban naglasak je stavljen na kružne prijevare. Priloženi su konkretni primjeri prijevara iz prakse poput Applea, Starbucksa i talijanskih modnih kuća. Objašnjen je pojam poreznih oaza, rastumačen je razlog njihove atraktivnosti te su nabrojene najpoznatije u Europi.This final paper explains the determinants of the Tax System of the European Union, explains the harmonization of the EU tax system and jurisdiction in tax matters. The application of tax policies and cooperation of member states with the aim of reducing tax fraud is presented. Furthermore, the concept of tax evasion is understood, a historical account of evasion is given and it is demarcated to legal and illegal, and concrete examples are given for both. The effects of tax evasion are explained and methods to combat tax evasion are presented. Furthermore, the definition of tax fraud and their historical account is given. The types of tax returns are listed, and special emphasis is placed on carousel fraud. Concrete examples of scams from practice such as Apple, Starbucks and Italian fashion houses are attached. The concept of tax havens is explained, the reason for their attractiveness is explained and the most famous in Europe are listed

    Features of Functional Organization in Croatian Hotel Industry

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    Ovaj završni rad ima cilj prikazati koliko je hotelijerstvo kompleksna djelatnost te koje sve poslove obuhvaća. Isto tako analiziran je razvoj samog hotelijerstva kroz godine te sa kojim se sve izazovima susreće u njegovom razvitku. Nadalje, analizirano je samo hotelijerstvo u Dubrovniku te kroz koje je krize prolazilo Dubrovačko hotelijerstvo tijekom ratova. Hotelijerstvo bez kvalitetnog marketinga ne može opstati radi prevelike konkurencije koja svakodnevno raste i zato je važno definirati ulogu isto unutar poduzeća. Ciljevima i zadatcima koje marketing obavlja prikazana je njegova važnost u hotelskom poduzeću. Ovaj rad je prikazao važnost konstantnog motiviranja zaposlenika kao i načini motiviranja od strane nadređenih te kakvu svrhu to ima i što to budi kod samog zaposlenika. U radu je prikazana organizacijska struktura jednog hotelskog poduzeća i organizacijske jedinice samog poduzeća te kakve funkciju svako od njih ima u kreiranju uspješnog poduzeća. Kada se analizira hrvatsko hotelijerstvo koje iako redovno ruši rekorde glede dolazaka turista te noćenja, trebalo bi se zabrinut za kvalitetu usluge koju pružamo, a koja iz godine u godine pada. Masovnim turizmom kojim se svakodnevno susrećemo jako je teško pratiti kontrolu kvalitete samog rada, ali bi se trebalo potruditi te na vrijeme uvesti određene promjene u cilju kvalitetnog održavanja hrvatskog turizma.The aim of this final thesis is to show how complex the hotel industry is and what jobs it encompasses. The development of the hotel industry itself over the years was also analysed, as well as the challenges faced in its development. Furthermore, only the hotel industry in Dubrovnik was analysed and what crises the Dubrovnik hotel industry went through during the wars. The hotel industry cannot survive without quality marketing due to the excessive competition that is growing every day, and that is why it is important to define the same role within the company. The goals and tasks performed by marketing show its importance in the hotel business. This paper showed the importance of constantly motivating employees as well as the ways of motivating by superiors and what purpose it has and what it awakens in the employee himself. The paper presents the organizational structure of a hotel company and the organizational units of the company itself, and what function each of them has in creating a successful company. When analysing the Croatian hotel industry, which regularly breaks records in terms of tourist arrivals and overnight stays, one should be concerned about the quality of the service we provide, which is decreasing year by year. With the mass tourism that we encounter every day, it is very difficult to monitor the quality control of the work itself, but we should make an effort and introduce certain changes in time in order to maintain the quality of Croatian tourism

    "Biomedical potential of sponge, Spongia officinalis Linnaeus, 1759."

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    Morski organizmi, većinom beskralježnjaci, zaokupili su pažnju znanstvene zajednice zbog zanimljivih kemijskih spojeva koji imaju specifične biosintetske puteve i fiziološke uloge. Mekušci, spužve, mahovnjaci i drugi organizmi proizvode kemijski vrlo potentne spojeve koji ulaze u medicinsku primjenu kao dodatci postojećim lijekovima ili kao novi lijekovi. Spužve su zaslužne za 30 % od svih dobivenih prirodnih proizvoda iz mora. Farmaceutski interes za spužvama se prvi put javlja prije sedamdesetak godina. Obična spužva Spongia officinalis, Linnaeus, 1759 mediteranska je spužva koja je još od antike privlačila pažnju i bila cijenjena u trgovačkim krugovima. Njena je primarna komercijalna upotreba bila za umivanje, a kao i ostale mediteranske spužve ovog roda, koristila se i u razne medicinske svrhe, za ispijanje pića i za nanošenje boje. Danas se provode istraživanja izoliranih sekundarnih metabolita, sintetiziranih posredno u spužvinim stanicama ili neposredno u njenim komenzalističkim mikrobnim zajednicama. Proizvodi dobiveni izolacijom iz raznih spužava pokazuju antiviralno, antitumorsko, antibakterijsko, antifungalno, imunosupresivno, protuupalno, neurološko, bioregenerativno, antidiabetsko i antimalarijsko djelovanje. Dva takva proizvoda, danas priznata terapeutika, Cytarabine i Vidarabine, izolirani su iz karipske spužve Tethya crypta. Spojevi dobiveni iz obične spužve najviše pokazuju antitumorni, potom antibakterijski i neurološki učinak. Uzgoj obične spužve je započeo krajem 18. st. i danas predstavlja alternativu sakupljanju iz prirodnog staništa koji stresira već oštećene populacije. Iako su manje zastupljene u znastvenoj literaturi, mediteranske spužve pokazuju veliki potencijal za razvitak novih biomaterijala s primjenom u biomedicini i drugim industrijama.Marine organisms, mostly invertebrates, have captured the attention of the scientific community because of interesting chemical compounds with specific biosynthetic pathways and physiological roles. Molluscs, sponges, bryophytes, and similar organisms produce chemically very potent compounds that enter the medical pipeline as additives to existing or new drugs. Sponges are responsible for 30 % of all natural products obtained from the marine environment. Pharmaceutical interest in sponges began about 70 years ago. The bath sponge, Spongia officinalis, is a Mediterranean sponge that has captured attention since antiquity and was valued in commercial circles. Its primary commercial use was for bathing, and like other Mediterranean sponges of this genus, it was also used for various medicinal purposes, for drinking and paint application. Recently, research has shifted focus to isolated secondary metabolites, synthesized directly in sponge cells or indirectly by its commensal microbial communities. Products obtained by isolation from various sponges show antiviral, antitumor, antibacterial, antifungal, immunosuppressive, antiinflammatory, neurological, bioregenerative, antidiabetic, and antimalarial effects. Two such products, nowadays recognized therapeutics, are Cytarabine and Vidarabine isolated from the Caribbean sponge, Tethya crypta. Compounds obtained from bath sponge show mostly antitumor and cytotoxic effects, though antibacterial and neurological activities have been frequently reported in the literature. Cultivation of common sponges began at the end of the 18th century and today stands as an alternative to collection from nature, which stresses already damaged populations. Although they are less represented in the scientific literature, Mediterranean sponges show great potential for the development of new biomaterials with applications in biomedicine and other industries

    Special SOLAS requirements for passanger ships

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    Najvažnija međunarodna konvencija iz područja sigurnosti plovidbe je SOLAS konvencija, odnosno Međunarodna konvencija o zaštiti ljudskih života na moru. Odnosi se na sve brodove, sa pojedinim specifičnostima za svaku vrstu brodova. Putnički brodovi su brodovi koji prevoze više od dvanaest putnika na međunarodnim putovanjima i moraju biti u skladu sa svim relevantnim propisima Međunarodne pomorske organizacije, uključujući one u Solas konvenciji. Do usvajanja prvog Solas ugovora dovela je katastrofa Titanica 1912. godine i od tada je bilo više revizija propisa kao odgovor na velike incidente, ali i kao rezultat proaktivnog pristupa održavanju propisa ažurnim. Kako je tema ovog rada „Posebni zahtjevi Solas konvencije za putničke brodove“, u radu u nastavku će isti biti obrađeni i predstavljeni.The most important international convention in the field of navigation safety is the SOLAS Convention, that is, the International Convention for the Protection of Human Life at Sea. It applies to all ships, with certain specifics for each type of ship. Passenger ships are ships that carry more than twelve passengers on international voyages and must comply with all relevant regulations of the International Maritime Organization, including those of the Solas Convention. The Titanic disaster in 1912 led to the adoption of the first Solas treaty and since then there have been several revisions to the regulations in response to major incidents, but also as a result of a proactive approach to keeping the regulations up to date. As the topic of this paper is "Special requirements of the Solas Convention for passenger ships", in the following paper they will be processed and presented

    Development of a website for scientific and professional conferences with the associated content management system

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    Mrežna sjedišta omogućuju tvrtkama uspostavu internetske prisutnosti i dosezanje šire publike. Važna su za reklamiranje i stvaranje potencijalnih klijenata te pružaju pristupačnost i praktičnost za korisnike. U današnjem digitalnom svijetu, mrežna sjedišta su neophodna za uspjeh i konkurentnost tvrtki. Znanstveno-stručne konferencije su organizirani skupovi na kojima se okupljaju stručnjaci u određenom području kako bi razmijenili znanje, predstavili nove istraživačke rezultate i sudjelovali u raspravama. Ti događaji omogućuju povezivanje, suradnju i širenje svježih informacija. Sudionici imaju korist od različitih aktivnosti poput prezentacija, radionica i interaktivnih sesija koje im omogućuju informiranje o najnovijim dostignućima i trendovima u industriji. Nakon analize korisničkih zahtjeva, u ovom završnom radu su objašnjene tehnologije i arhitektura koje se koriste za izradu mrežnih sjedišta, s posebnim osvrtom na mrežna sjedišta za znanstvene i stručne konferencije. Kao konačni rezultat, razvijeno je moderno interaktivno mrežno sjedište koje komunicira s bazom podataka i nudi intuitivne mogućnosti ažuriranja podataka.Websites enable businesses to establish an online presence and reach a wider audience. They are crucial for advertising and lead generation, providing accessibility and convenience for users. In today's digital world, websites are essential for the success and competitiveness of businesses. Scientific and professional conferences are organized events where experts in a specific field gather to exchange knowledge, present new research findings, and engage in discussions. These events foster networking, collaboration, and the dissemination of fresh information. Participants benefit from various activities such as presentations, workshops, and interactive sessions, which keep them informed about the latest advancements and industry trends. After analyzing user requirements, this final project explains the technologies and architecture used in website development, with a special focus on websites for scientific and professional conferences. As a result, a modern interactive website has been developed, communicating with a database and providing intuitive data updating capabilities

    Performance analysis of blockchain application using process mining techniques and tools

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    U ovom radu analiziran je pojam dubinske analize procesa te kakve prednosti nam ona danas pruža. Cilj dubinske analize procesa je poboljšati procese otkrivanjem problema. To mogu biti problemi performansi kao što su nepravodobno dovršenje slučaja, ograničena proizvodnja, propušteni rokovi, kašnjenje, pretjerana obrada podataka ili problemi s kvalitetom koji se ponavljaju. Budući da događaji imaju vremenske oznake moguće je mjeriti vrijeme između aktivnosti, uključujući statistike kao što su srednja vrijednost, medijan, standardna devijacija, minimum i maksimum. To omogućuje analizu pokazatelja performansi kao što su vrijeme čekanja, vrijeme odziva te vrijeme usluge. Pomoću programskog alata ProM analizirane su performanse na blockchain podacima te je objašnjeno kako možemo projicirati vremenske informacije na model procesa. Možemo reći da analiza performansi ima za cilj poboljšanje procesa s obzirom na vrijeme, cijenu ili kvalitetu. Svojstva performansi važan su aspekt analize procesa u različitim domenama.In this paper, we will analyze the concept of process mining and what advantages it offers us today. The goal of process mining is to improve the process by discovering problems. These can be performance issues such as completion of a case, limited production, missed deadlines, tardiness, excessive rework, and recurring quality problems. Since events are timestamped it is possible to measure times between activities, including statistics such as mean, median, standard deviation, minimum and maximum. This enables the analysis of performance indicators such as waiting time, response time and service time. Using the ProM software tool, we will analyze performance on blockchain data and show how we can project temporal information about the process model. We can say that performance analysis aims to improve processes with regard to time, cost or quality. Performance properties are important in the aspect of process analysis in different domains

    Managment of economic cycles in the maritime market

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    Rad ne sadrži sažetak

    Changes in the sea shipping market for circular tourist trips.

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    Veličina globalnog tržišta morskog brodarstva za kružna putovanja u 2021. godini je bila 8 milijardi US,apredviđanjapokazujudacˊedo2031.dosegnutivrijednostod16,7milijunaUS, a predviđanja pokazuju da će do 2031. dosegnuti vrijednost od 16,7 milijuna US. U zadnjih četrdesetak godina je industrija krstarenja imala brzorastući dinamičan rast, koji je, zbog zdravstvenih razloga i pandemije Covid-19, prekinut u 2020. godini. Tržište oporavlja i već 2021. godina je pokazala znakove oporavka, a 2022. godina je skoro dosegnula promete iz 2019. godine. Pandemija Covid-19 je donijela brodarskim kompanijama za kružna putovanja mnoge promjene koje su morali implementirati, prvenstveno zbog svoje sigurnosti i sigurnosti putnika. Osim toga, ubrzani razvoj tehnike i tehnologije, interneta, globalizacija itd. donosi svakim danom neke nove promjene, koje potrošači traže i žele, i kome brodarske kompanije na tržištu morskog brodarstva za kružna putovanja, ukoliko žele uspješno poslovati, moraju implementirati. Promjene koje se događaju na tržištu morskog brodarstva za kružna putovanja su predmet ovog rada i u nastavku će isto biti predstavljeno.The size of the global cruise shipping market in 2021 was US8billion,andforecastsshowthatitwillreachavalueofUS 8 billion, and forecasts show that it will reach a value of US 16.7 million by 2031. In the last forty years, the cruise industry has had a fast-growing dynamic growth, which, due to health reasons and the Covid-19 pandemic, was interrupted in 2020. The market is recovering and the year 2021 has already shown signs of recovery, and the year 2022 has almost reached the turnover of 2019. The Covid-19 pandemic has brought many changes to cruise lines that they have had to implement, primarily for their safety and the safety of passengers. In addition, the rapid development of technique and technology, the Internet, globalization, etc., brings new changes every day, which consumers seek and want, and which shipping companies on the cruise shipping market, if they want to do business successfully, must implement. The changes taking place in the cruise shipping market are the subject of this paper and will be presented below

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