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Application of heat recovery steam generator in Thermal power plant Zagreb
No full textPotreba za energijom, zbog sve veće potrošnje, ima za posljedicu racionalizaciju potrošnje enegije i veći broj korištenja izvora energije i veća iskorištenja u proizvodnjama i pretvorbama svih vidova energije u električnu energiju.
U radu je prikaz kogeneracijskog postrojenja energetskog bloka L u TE-TO-u Zagreb, jer predstavlja primjer proizvodnje električne energije iz toplinske, uz korištenje topline ispušnih plinova za grijanje, kako bi se povećala iskoristivost sustava koja doseže i 90%. Sustav uključuje plinsku turbinu loženu prirodnim plinom, kotao na otpadnu toplinu (utilizator) i parnu turbinu koja koristi pregrijanu paru iz kotla za proizvodnju električne energije. Izvedena su dva oduzimanja pare za dvije različite svrhe. Prvo oduzimanje (10 bara) za industrijsku paru, a drugo oduzimanje (2,5 bara) služi za zagrijač vrele vode, odnosno zagrijač sanitarne vode koja se koristi u kućanstvima.The increasing energy demand has led to the need for both energy consumption rationalization and the use of a greater number of conversion of all forms of energy into electrical energy.
This paper presents the cogeneration plant of the energy block „L“ at TE-TO Zagreb, as an example of electricity production from heat, using the heat of exaust gases for heating in order to increase the system's efficiency, which reaches up to 90%.
The system includes a gas turbine fueled by natural gas, a waste heat boiler (HRSG) and a steam turbine that uses superheated stea from boiler to produce elecricity. Two steam extractions were performed for two different purpose. The first extraction (10bar) is for industrial steam, while the second extraction (2.5 bar) is used for heating hot water, speciffically for heating domestic water use din households
Comparison of video editing programs using the example of an advertisement for a construction project
No full textOvaj završni rad predstavlja usporednu analizu dvaju vodećih profesionalnih aplikacija za uređivanje videa, Adobe Premiere Pro i DaVinci Resolve Studio, korištenjem stvarnog primjera kampanje oglašavanja za građevinski projekt. Rad pruža dubinsku raspravu o prednostima i nedostacima svakog paketa softvera, s naglaskom na ključnim razlikama u funkcionalnosti i korištenju.
Uz usporedbu, rad pruža cjelovit pregled procesa uređivanja i sastavljanja oglasa. Proces se opisuje detaljno, s temeljitim pregledom prednosti i nedostataka svakog paketa softvera u svakom koraku procesa.
Rezultati ovog rada naglašavaju važnost pomnog odabira odgovarajućeg softvera za uređivanje videa kako bi se osigurale najviša kvaliteta i učinkovitost u proizvodnji oglasa. Rad zaključuje da odabir softvera naposljetku ovisi o specifičnim potrebama i preferencijama korisnika, te da Adobe Premiere Pro i DaVinci Resolve Studio nude napredne alate za uređivanje profesionalne kvalitete videa.
Sveukupno, ovaj rad pruža vrijedne uvide i praktične smjernice za donošenje odluka u kontekstu odabira softvera za uređivanje videa, nudeći kritičku procjenu kompromisa između različitih opcija i detaljnu analizu značajki i sposobnosti dvaju najpoznatijih paketa softvera na tržištu.This research paper presents a comparative analysis of two leading professional video editing software applications, Adobe Premiere Pro and DaVinci Resolve Studio, using a real-world example of an advertising campaign for a construction project. The paper provides an in-depth discussion of the advantages and disadvantages of each software package, with a focus on key differences in functionality and usage.
This research paper presents a comparative analysis of two leading professional video editing software applications, Adobe Premiere Pro and DaVinci Resolve Studio, using a real-world example of an advertising campaign for a construction project. The paper provides an in-depth discussion of the advantages and disadvantages of each software package, with a focus on key differences in functionality and usage.
The findings of this research paper underscore the importance of carefully selecting the appropriate video editing software to ensure the highest quality and efficiency in advertising production. The paper concludes that the choice of software ultimately depends on the specific needs and preferences of the user, and that both Adobe Premiere Pro and DaVinci Resolve Studio offer advanced tools for professional-grade video editing.
Overall, this research paper provides valuable insights and practical guidance for decision-making in the context of video editing software selection, offering a critical examination of the trade-offs between different options and a detailed analysis of the features and capabilities of two of the most prominent software packages on the market
Assessment of Users' Satisfaction with University Library During the COVID-19 Pandemic
No full textThe assessment of libraries as a part of their overall efficacy has existed for an extended time, a significant number of studies pertain to non-pandemic periods and are commonly focused on the public sector. The University Library User Satisfaction Survey conducted and analysed in this paper, aimed to investigate the quality of library resources, services and operations before and during COVID-19 pandemic. The research was conducted in the private higher education institution (HEI). Data was collected using a questionnaire which was completed by university students and teachers. Analysing results of the survey we gain insight into the quality of the business operations that were maintained during the pandemic. Recommendations from the questionnaire were focused on expanding database subscriptions and literature and enhanced search engine functionality. The results of the survey indicate the direction to proceed in regarding library services and library’s annual plans and programs, concerning the material procurement plans. The collaboration of librarians and university teachers is essential in procurement policy, bibliography of research studies and choice of exam literature
Komparativna analiza ulaganja u nekretninu u odnosu na dioničko tržište
No full textAlokacija imovine u investicijske klase predstavlja najvažniju investiciju odluku. Svaka
investicijska klasa ima svoj očekivani povrat i rizičnost. U ovom bi se kontekstu kao rizičnost
mogla navesti volatilnost cijene, a općenito pravilo koje prati svaku investiciju jest to da se uz
veći rizik najčešće veže veći očekivani prinos. No, to nije uvijek tako, stoga svaki investitor
donosi odluku o ulaganju na temelju jednog ili više odabranih alata za analizu kretanja
vrijednosti, neovisno o kojoj se investicijskoj klasi radilo. Standardna devijacija često je
korištena mjera za računanje volatilnosti investicije, a predstavlja odstupanje mogućih rezultata
investicije u odnosu na očekivanu vrijednost. Prema rezultatima u radu provedene
komparativne analize, tržište nekretnina manje je rizično od tržišta kapitala, s obzirom na
znatno manju standardnu devijaciju. Mjerenjem profitabilnosti na temelju prinosa tijekom
investicijskog razdoblja, zaključeno je kako je tržište nekretnina ne samo manje rizično nego i
profitabilnije.Allocation of assets into investment classes is the most important investment decision. Each
investment class has its own expected risk and return. In this context, risk could be defined by
price volatility, and the general rule is that the higher risk is usually associated with the higher
expected return. However, higher risk does not always bring higher return. Hence, for making
an investment decision, regardless of investment class, each investor makes decision based on
one or more tools for investment evaluation. The standard deviation is a frequently used
measure for calculating the volatility of an investment and represents the deviation of the
investment's value from their expected values. According to the results of the comparative
analysis carried out in the paper, the real estate market is less risky than the capital market,
given its significantly smaller standard deviation. By measuring profitability based on returns
during the investment period, it was concluded that the real estate market, in addition to being
less risky is also more profitable
Logical model of an information system for the sale of used personal cars
No full textSvrha je ovoga rada oblikovanje logičkog modela informacijskog sustava za kupoprodaju rabljenih osobnih automobila. Da bi se pristupilo izradi ovoga modela i njegovom razumijevanju, nužno je analizirati poslovni sustav, sve njegove ključne značajke, poslovne funkcije, globalne procese i slično. Prikupljanje i sistematiziranje kvalitetnih informacija i podataka također je jako bitan faktor za razvoj ovakvoga sustava. Prvi dio rada baziran je na teoriji koja je osnova za samu izradu modela. Prikazuje i pobliže objašnjava pojmove poput informacijskoga sustava, procesa, funkcije, dijagrama toka podataka, modeliranja podataka i normalizacije. U drugom dijelu rada prikazana je izrada logičkoga modela informacijskoga sustava za kupoprodaju rabljenih osobnih automobila. Prvi korak bila je analiza sustava kupoprodaje rabljenih automobila, uključujući sve zakonske odrednice. Drugi korak bilo je modeliranje procesâ koji nastaju prilikom kupoprodaje, a treći, ujedno i finalni, korak bilo je oblikovanje modela podataka. Oblikovanjem modela podataka izrađen je konceptualni (ER) model koji je naknadno preveden u relacijski model. Provedena je normalizacija podataka te su na kraju prikazani i osnovni algoritmi za dobivanje najvažnijih informacija iz relacijskoga modela.The purpose of this paper is to design a logical model of an information system for the sale of used personal cars. To create and understand such a model it is essential to analyse the business system, its key characteristics, business functions, global processes etc. Gathering and organizing quality information and data is also a critical factor in the development of such a system. The first part of the paper is based on the theory that is the basis for the development of the model. It presents and explains in more detail concepts such as information system, processes, functions, data flow diagram, data modelling, normalization. The second part of the paper presents the development of a logical model of an information system for the sale of used personal cars. The first step was the analysis of the system for the sale of used cars, including all legal regulations. The second step was modelling the processes that arise during the sale, and the third and final step was the design of a data model. By designing a data model, a conceptual (ER) model was created, which was subsequently translated into a relational model. Data normalization was carried out, and finally, basic algorithms for obtaining the most important information from the relational model were presented
Analysis of marketing communication strategy on the example of a selected shopping center
No full textOvim je radom obrađena tema „Analiza strategije marketinškog komuniciranja na primjeru odabranog trgovačkog centra“. Osnovna problematika koja se istražuje u radu nedovoljna je informiranost o učinkovitosti strategije marketinškog upravljanja trgovačkog centra City Center one West u kontekstu marketinškog komuniciranja u doba krize uzrokovane pandemijom bolesti COVID-19. Glavni je cilj rada dati bolji uvid u važnost postojanja strategije kao važnog upravljačkog alata, posebice u doba krize. U teorijskom dijelu rada ukratko su opisani pojam, razvoj i važnost strateškog upravljanja i strateško upravljanje marketinškim komuniciranjem. Također, prikazano je poslovanje trgovačkog centra City Center one West i analizirana je njegova postojeća strategija upravljanja marketinškim komunikacijama. U empirijskom istraživanju s pomoću anketnog upitnika prikupljeni su stavovi i odgovori 100 zakupnika trgovačkog centra vezani uz pitanje marketinškog komuniciranja u doba krize, a s pomoću dubinskog intervjua o navedenom su prikupljeni stavovi i odgovori triju članova uprave. Nalazi proizišli iz istraživanja upućuju na potrebu izrade prijedloga nove strategije marketinškog komuniciranja trgovačkog centra koja proizlazi iz postojeće misije i vizije sa zaključkom da nova strategija treba obuhvatiti stvaranje i primjenu različitih elemenata integrirane marketinške komunikacije s fokusom na digitalni marketing i komunikaciju s ciljnim skupinama, online oglašavanje kao jednim od oblika marketinške komunikacije te komunikaciju na društvenim mrežama i aktivniju suradnju s influencerima. S obzirom na nepredvidivost tijeka krize, korištenjem kreativnih marketinških taktika iz prijedloga nove strategije moguće je održati stabilno poslovanje, konkurentnost trgovačkog centra City Center one West i zadržavanje svjesnosti o brendu kod njegovih ciljnih skupina.The topic of this paper is the “analysis of marketing communication strategy on the example of a selected shopping center”. The key issue examined in the paper is insufficient awareness of the effectiveness of the strategic marketing management of the shopping center City Center one West in the context of marketing communication in the time of crisis caused by the COVID-19 pandemic. The main aim of this paper is to provide better insight into the importance of having a strategy as a crucial management tool, especially in times of crisis. The theoretical part of the paper briefly describes the concept of development and the importance of strategic management, as well as the strategic management of marketing communication. Also presented are the business activities of City Center one West, along with an analysis of its current strategy of managing marketing communication. As part of empirical research, the opinions, and answers of 100 shopping center tenants regarding marketing communication in times of crisis were collected through a questionnaire, while the opinions of 3 board members on the same topic were gleaned through an in-depth interview. Research findings point to the need of creating a proposal for a new marketing communication strategy for the shopping center that would stem from its existing mission and vision, with the conclusion that the new strategy should include the development and implementation of integrated marketing communication that would have a stronger basis in digital marketing and communication with target groups, online advertising as a form of marketing communication, as well as in communication on social networks and a more active cooperation with influencers. Seeing how the course of the crisis will develop, creative marketing tactics from the new strategy proposal would make it possible to keep up a stable business activity and competitiveness of the City Center one West shopping center and maintain brand awareness among its target groups
Identification of Influential Factors on the Green Economy Concept Decision in Croatian Companies
No full textZelena ekonomija i društvo po mjeri čovjeka ciljevi su i problematika kojom se bave sve zemlje svijeta. Dosadašnje djelovanje i odnos čovjeka prema okolišu utjecali su na zagađenje okoliša i narušavanje ekosustava. Povezanost različitih dimenzija društva utjecalo je na širenje kriza ekosustava na različita tržišta što je oslabilo gospodarstva diljem svijeta. Unatoč tehnološkom napretku glavni problemi s kojima se suočava čitavo društvo jesu nejednakost, siromaštvo, glad, nedostatna zdravstvena skrb i sl. Sve su to posljedice neadekvatnog upravljanja i korištenja resursa te preferiranje profita kao jedinog ekonomskog cilja spram rasta, prosperiteta i razvoja društva po mjeri čovjeka te zaštite ekosustava. Potencijalni spas leži u agilnosti kompanija i svih sudionika; da se ponašaju društveno odgovorno te da djeluju prema standardima zelenog gospodarstva. U radu se stoga definirao koncept zelene ekonomije te se ukazalo na probleme i prepreke s kojima se susreću društvo i poduzeća u procesu tranzicije na zelenu ekonomiju. Istraživanje koncepta i problematike implementacije zelene ekonomije u hrvatska poduzeća provedeno je analizom stručne literature i metodom anketiranja. Analiza stanja zelene ekonomije i anketiranja poduzeća ukazala je na nedostatke unutar samog sustava za koje su prije svega odgovorni kreatori politika i institucionalni okvir. Kao najveći problemi i čimbenici koje prve treba urediti i promijeniti jesu pravni aspekti i regulative, program poticanja zelenog poduzetništva te suradnja s organizacijama u promociji zelenog djelovanja u svim dimenzijama društva. Zelena ekonomija je budućnost, a odgovorno djelovanje dio općeg sustava vrijednosti. Svijest o značaju, utjecajima i jačanju ciljeva koji imaju doseg opće dobrobiti prekretnica su za preobrazbu društva i ekonomskog globalnog sustava koji će izbjeći samouništenje i biti otporniji na šokove i promjene. Kao smjernice za izgradnju zelenog društva mogu se istaknuti: iskorjenjivanje korupcije, jasno definiranje strategije i ciljeva zelene politike, izrada paketa razvoja zelenog poduzetništva i poticanja zelenih investicija, ulaganja u obrazovni sustav s ciljem razvoja novih tehnologija koje štite okoliš i doprinose povećanju dobrobiti čovjeka, osnivanje inkubatora i tehnoloških parkova za ona poduzeća koja djeluju prema konceptu zelene ekonomije kako bi postavljene strategije bile održive, a procesi prilagodljiviji promjenama, strategija razvoja komparativnih prednosti kroz zelene procese za upravljanje konkurentnošću s ciljem energetske neovisnosti, nagrađivanje i poticanje održavanja zelenih ulaganja i procesa poslovanja itd.A green economy and a human-scale society are the goals and issues that all the countries of the world deal with. The previous activities and the relationship of man towards the environment have influenced the pollution of the environment and the disruption of the ecosystem. The interconnectedness of different dimensions of society has influenced the spread of ecosystem crises to different markets, which has weakened economies around the world. Despite technological progress, the main problems facing the entire society are inequality, poverty, hunger, insufficient health care, etc. All of these are the consequences of inadequate management and use of resources and the preference for profit as the only economic goal over growth, prosperity and human-scale development of society and ecosystem protection. The potential salvation lies in the agility of companies and all stakeholders to behave socially responsibly and act according to the standards of the green economy. The paper therefore defines the concept of green economy and points out the problems and obstacles for society and companies in the process of transition to a green economy. Research on the concept and issues of implementing the green economy in Croatian companies was carried out by analyzing the professional literature and using the survey method. The analysis of the state of the green economy and the survey of companies pointed to shortcomings within the system itself, for which the policy makers and the institutional framework are primarily responsible. The biggest problems and factors that need to be fixed and changed first are the legal aspects and regulations, the green entrepreneurship promotion program and cooperation with organizations in the promotion of green activities in all dimensions of society.The green economy is the future, and responsible action is part of the general value system. Awareness of the importance, effects and the strengthening of goals that reach the general welfare are a turning point for the transformation of society and the economic global system that will avoid self-destruction and be more resistant to crises. As guidelines for building a green society, the following can be highlighted: eradicating corruption, clearly defining the strategy and goals of green policy, creating a package for the development of green entrepreneurship and encouraging green investments, investing in the education system with the aim of developing new technologies that protect the environment and contribute to increasing benefits for humans, the establishment of incubators and technology parks for those companies that operate according to the concept of green economy in order to make the strategies set sustainable and processes more adaptable to changes, the strategy of developing comparative advantages through green processes for managing competitiveness to achieve the goals of energy independence, rewarding and encouraging the maintenance of green investments and business processes
Content analysis of aesthetic surgery clinics' communication on social networks
No full textUpravljanje društvenim mrežama i odabir vrste komunikacije na njima može biti osjetljivo, pogotovo u području estetske medicine. Kako je estetska medicina u nekim društvima i dalje osjetljiva tema, klinike koje se bave tom djelatnošću trebaju pažljivo odabrati način na koji pristupaju svojim publikama. Cilj ovog rada bio je utvrditi kako neke od najvećih klinika za estetsku kirurgiju u Hrvatskoj komuniciraju na društvenoj mreži Instagram te kako ga koriste u svrhu promocije vlastitog poslovanja. Odabrane su četiri renomirane poliklinike za estetsku kirurgiju u Hrvatskoj koje posluju niz godina te imaju velik broj pratitelja na Instagramu: Poliklinika Bagatin, Poliklinika Milojević, Poliklinika Glumičić Medical Group i Poliklinika Duduković&Kisić. U ovom radu bit će navedene vrste objava koje mogu pomoći boljoj promociji i poslovanju klinikama za estetsku kirurgiju, predstavit će se četiri odabrane poliklinike za estetsku kirurgiju te analizirati kako koriste Instagram u svrhu svoje promocije. Teorijski dio rada baziran je na pojašnjenju uloge Instagrama u suvremenoj masovnoj komunikaciji te značaja digitalnog marketinga i Instagrama u poslovnom kontekstu. Istraživanje, koje obuhvaća analizu sadržaja, pokazalo je kako sve četiri odabrane poliklinike koriste Instagram u svrhu promocije poslovanja te svaka od njih koristi dvije iste vrste objava, fotografije prije i poslije i informativne objave, kojima nastoje privući buduće klijente. Iako sve četiri poliklinike imaju profile na Instagramu te ih koriste u svrhu promocije, neke od njih imaju mogućnosti za poboljšanje.Managing social networks and choosing the type of communication on them can be sensitive, especially in the aesthetic medicine industry. As aesthetic medicine is still a sensitive topic in some societies, clinics dealing with this activity should carefully choose the way they approach their audiences. The aim of this paper was to determine how one of the largest clinics for cosmetic surgery in Croatia communicates on Instagram and how they use Instagram to promote their own business. Four renowned polyclinics for cosmetic surgery in Croatia that have been operating for many years were selected: Bagatin Polyclinic, Milojević Polyclinic, Glumičić Medical Group Polyclinic and Duduković&Kisić Polyclinic. In this paper, the types of posts that can help better promotion and business of cosmetic surgery clinics will be listed, four selected cosmetic surgery polyclinics will be presented, it will be explaned and analyzed how they use Instagram for their promotion. The theoretical part of this work is based on clarifying the role of Instagram in modern mass communication and the importance of digital marketing and Instagram in a business context. The research, which includes content analysis, showed that all four selected polyclinics use Instagram for the purpose of business promotion, and each of them uses the same two types of posts, before and after photos and informative posts, with which they try to attract future clients. Although all four polyclinics have profiles on Instagram and use them for promotion purposes, some of them have room for improvement