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Search results for: quality
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Journal of Quality in Maintenance Engineering
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International Journal for Quality Research
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Journal of Healthcare Quality Research
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Sustainability of Water Quality and Ecology
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Journal of Quality and Reliability Engineering
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Quality in Ageing and Older Adults
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International Journal of Information Quality
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JOURNAL OF NURSING CARE QUALITY
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Water Quality Research Journal
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QUALITY AND RELIABILITY ENGINEERING INTERNATIONAL
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QUALITY & SAFETY IN HEALTH CARE
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AMERICAN JOURNAL OF MEDICAL QUALITY
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Optimised Allocation of Hard Quality Sensors for Robust Monitoring of Quality in Drinking Water Distribution Systems
PublicationA problem of optimised placement of the hard quality sensors in Drinking Water Distribution Systems for robust quality monitoring is formulated. Two numerical algorithms to solve the problem are derived. The optimality is meant as achieving a desired trade off between the sensor capital and maintenance costs and resulting robust estimation accuracy of the monitoring algorithm. The robust estimation algorithm recently developed...
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Optimised Robust Placement of Hard Quality Sensors for Robust Monitoring of Quality in Drinking Water Distribution Systems
PublicationA problem of optimised robust placement of the hard quality sensors in Drinking Water Distribution Systems under several water demand scenarios for robust quality monitoring is formulated. Numerical algorithms to solve the problem are derived. The optimality is meant as achieving at the same time a desired trade off between the sensor capital and maintenance costs and resulting robust estimation accuracy of the monitoring algorithm...
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Quality of Test Specification by Application of Patterns
PublicationEmbedded system and software testing requires sophisticated methods, which are nowadays frequently supported by application of test patterns. This eases the test development process and contributes to the reusability and maintainability of the test specification. However, it does not guarantee the proper level of quality and test coverage in d ifferent dimensions of the test specification. In this paper the quality of the test...
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Internationalization and Quality Assurance in Higher Education
PublicationInternationalization is an inevitable phenomenon among all contemporary higher education institutions (HEIs) in a globalizing world. It is the driving force for development and progress. In course of the last 30 years, it became an inevitable element of HE management. However, it carries along a number of risks, pitfalls, and organizational challenges. To hedge those, quality assurance (QA) is called to the stage. HEIs therefore...
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The Relational Benefits and the Quality of Services in Tourism
PublicationIn a very competitive environment, it is highly important to identify the indicators that exert a major influence on customer satisfaction and loyalty. Based on the current relationship marketing concept of relational benefits (Gwinner, Gremler, Bitner, 1998; Hennig-Thurau, Gwinner, Gremler, 2002) and destination quality (Blazquez-Resino, Molina, Esteban-Talaya, 2015), a conceptual model was built. The present paper aims to analyse...
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Quality Parameters in IMS/NGN Networks
PublicationThe Next Generation Network (NGN) architecture, including elements of the IP Multimedia Subsystem (IMS) concept, is a proposition of a telecommunication network dedicated to the needs of current and future information society. The main goal of NGN is to provide Quality of Service (QoS), for which proper network design is necessary with respect to among others standardized call processing performance parameters, including expected...
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Influence of terpenes on indoor air quality
PublicationThe aim of this study was to investigate air quality in hairdresser salons, focusing on terpenes determination. Terpenes are known reactive volatile organic compounds that contribute to secondary organic aerosol formation. Those compounds are frequently found in cosmetic products as fragrance agents. Hairdresser salons are special kind of environment, where secondary organic aerosol concentration may be elevated. One hairdresser...
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Factors affecting the quality of bottled water
PublicationThe ever-increasing popularity of bottled water means that it is important to analyze not only its mineral content but also, above all,its content of possible contaminants, especially the organic ones. In this respect, bottled waters are a special case, because apartfrom organic chemical contaminants derived from the well from which they were acquired, their secondary contamination is alwayspossible, during treatment or storage...
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Quality improvement in health care services
PublicationW niniejszym rozdziale zaprezentowano podstawowe formy doskonalenia jakości w usługach medycznych. Zaprezentowano kluczowe metody jakie mogą być stosowane przez zakłady opieki zdrowotnej, zarówno w tzw. "leczeniu zamkniętym" - szpitale, jak i "leczeniu otwartym" - przychodnie. Dokonano również analizy podejścia systemowego do doskonalenia jakości usług medycznych wiążącego się z reformami projakościowymi w ogólnonarodowych systemach...
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Chapter 1. Food components and quality
PublicationGłówne składniki żywności to woda, białka, sacharydy, lipidy i związki mineralne. Składniki występujące na ogół w mniejszych ilościach to niebiałkowe związki azotowe, witaminy, barwniki, związki zapachowe i dodatki funkcjonalne. Jakościowy i ilościowy skład żywności zależy od gatunku i odmiany surowców oraz warunków ich uprawy, żywienia, zbioru, przechowywania i przetwarzania. Składniki żywności i ich przemiany wpływają na zapach,...
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Indoor Air Quality: A Bibliometric Study
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Determining Information Quality in ICT Systems
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Determinants of stress in the company perfecting quality
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Country selection strategies based on quality
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Beam Quality of Multicore Fibre Lasers
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Quality control in flexible manufacturing cell.
PublicationPublikacja dotyczy procesu produkcyjnego w środowisku komputerowo zintegrowanego wytwarzania. Ukazuje ona aspekty kontroli jakości wykonania części na różnych etapach procesu wytwórczego. W celu dokonania szczegółowej analizy problemu zebrano dane o jakości wykonania części na poszczególnych poziomach wytwarzania. Analizy dowiodły, że jakość wykonania części zależy od jakości użytych narzędzi a sterowanie nią wymaga optymalizacj...
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Automatic evaluation of sound separation quality
PublicationW publikacji tej opisano problem oceny efektywności algorytmów separacji dźwięków muzycznych. Standardowa procedure służąca do takiej oceny nie istnieje. Najbardziej uzasadnionym podejściem wydają się być odsłuchowe testy subiektywne. Niemniej, aby taka ocena była wartościowa, niezbędna jest porządna walidacja statystyczna wyników, co oznacza iż grupa ekspertów powinna być duża oraz właściwości akustyczne pomieszczenia. Ponadto...
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Simple measure of typewriter prints quality
PublicationArtykuł przedstawia opracowaną przez autora metodę określania kształtu zaadaptowaną do szacowania jakości znaków uzyskiwanych na maszynie do pisania. Metoda ta bazuje na statystycznej analizie odwzorowania maksymalnego kwadratu (ang. Maximal Square Map) opisanej w szczegółach w artykule. Metodę opracowano celem szacowania jakości komputerowo wspomaganego pozyskiwania informacji z archiwalnych maszynopisów.
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Automatic classification of singing voice quality
PublicationW artykule przedstawiono zagadnienia związane z automatyczną klasyfikacją jakości i rodzajów głosów śpiewaczych. Na potrzebę takiej klasyfikacji stworzono bazę głosów śpiewaczych, w której dokonano parametryzacji nagrań samogłosech śpiewanych przez różnych wokalistów (zarówno profesjonalistów jak i amatorów) na różnych wysokościach i z różną głośnością. W celu ograniczenia wymiaru wektora opisu zastosowano statystykę Behrensa Fishera...
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Inspection of circular saw teeth quality
PublicationDokładność geometryczna ostrzy piły tarczowej znacząco wpływa na efekty przecinania i odgrywa znaczacą rolę w ekonomice każdego zakładu przerobu drewna. Ocena jakości piły jest możliwa na bazie monitorowania dokładności geometrycznej każdego ostrza piły. Opracowany do tego celu wizyjny kontroler ostrzy pił tarczowych został przedstawiony w artykule.
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Food components and their role in food quality
PublicationBiałka, lipidy, sacharydy, składniki mineralne, woda i inne składniki wpły-wają na właściwości sensoryczne, trwałość, wartość odżywczą i zdrowotnośćżywności. W czasie przechowywania żywności i wskutek obróbki składniki ule-gają korzystnym i niepożądanym zmianom pod wpływem działania enzymów i czyn-ników środowiska.
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Groundwater Quality in the Gdansk Aquifer System
PublicationThe Gdańsk hydrogeological system consists of three main aquifers: Cretaceous, Paleogene-Neogene and Pleistocene. Chemical composition of groundwater varies between water-bearing beds, although water from Pleistocene and Paleogene-Neogene aquifers shows much similarities. The dominant hydrochemical groundwater types is HCO3-Ca. This type is characteristic for Pleistocene deposits in the Kashubian Lake District where natural chemical...
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Chemical Quality of Bottled Waters: A Review
PublicationBottled water has become very popular for quenching thirst and as a dietary (mineral) supplement. Theplethora of natural mineral waters precludes any unequivocal system of classification, which makes it difficult for theconsumer to choose a water with properties that suits him/her exactly. The ever-increasing popularity of bottled watersmeans that it is of the utmost importance to determine not only their mineral content, but above...
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The influence of the temperature treatment method on the quality of French fries.
Open Research DataThe video presents instructional work on the temperature treatment of French fries and the assessment of oil changes during frying. The results of the measurements show that placing the fries in cold oil, heating them to the frying temperature compared to the conventional method of frying, reduces the amount of primary oxidation products and free fatty...
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Kontrola i zapewnienie jakości wyników pomiarów analitycznych =Quality control and quality assurance (QC/QA) of analytical results
PublicationWyniki, które winny być źródłem informacji analitycznej, są uzyskiwane w następstwie przeprowadzanych pomiarów. Na tym etapie stosuje się odpowiednie "narzędzia analityczne", które stanowią metodyki analityczne i urządzenia kontrolno-pomiarowe. "Narzędzia" muszą być właściwie przygotowane do pracy, tak aby uzyskiwane wyniki były miarodajne, czyli aby odzwierciedlały w sposób dokładny (jednocześnie precyzyjny i poprawny) rzeczywistą...
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Redefining quality and organizational maturity in 21st century
PublicationThe article presents new tendencies in quality management approach in the opinion of the one of the best known European quality expert Professor John Oakland
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Problems of varistor quality assessment during exploitation
PublicationVaristors are commonly used elements which protect power supply networks against high-voltage surges or lightning. Therefore, quality and endurance of these elements is important to avoid losses when an expensive laboratory equipment would not be protected from random overvoltages. Additionally, excessive leakage currents generate serious costs due to high energy consumption. The paper presents shortly properties of varistors that...
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Quality control procedures in Pomeranian Digital Library
PublicationThis paper concerns a quality control in digital libraries projects. At first, general goals of such projects are presented together with some restrictions concerning non-commercial projects. Then some quality factors for digital objects are presented. Finally, a quality control model for Pomeranian Digital Library (PDL) is proposed. The model assumes three levels of quality control and takes into account specific features of PDL....
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Air quality policy in the U.S. and the EU – a review
PublicationThe high level of atmospheric pollution is a global problem that has taken on particular significance in recent years and will continue to grow in the near future. Air pollution directly affects the health, living organisms, vegetation, water, soil and buildings. Additionally, it moves easily even over long distances. Certain air pollutants influence the climate, cause negative processes in the protective ozone layer and contribute...
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Electronic Noses for Indoor Air Quality Assessment
PublicationThis chapter presents a proposal of the use of electronic noses in the monitoring of indoor air quality. The main focus is put on the detailed characteristics of today’s indoor air quality control methods, the types of pollution in the air, and the development of electronic noses for air testing. Currently, scientists seek methodological and structural solutions that would enable real-time online indoor air control. It has been...
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Quality assurance of alcoholic beverages by electronic nose
PublicationQuality is very important attribute of every alcoholic beverage. It is very significant to satisfy consumers and assure food quality. Flavour, colour and taste constitute a great matter not only for connoisseurs. Due to these features, the whole manufacturing process need to be monitored. This paper presents a high-class devices useful in assessing of beverage quality. Electronic noses offer quick real-time analysis, which is very...
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Transmission Quality Measurements in DAB+ Broadcast System
PublicationIn the age of digital media, delivering broadcast content to customers at an acceptable level of quality is one of the most challenging tasks. The most important factor is the efficient use of available resources, including bandwidth. An appropriate way of managing the digital multiplex is essential for both the economic and technical issues. In this paper we describe transmission quality measurements in the DAB+ broadcast system....
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The role of robotisation in improving bakery product quality
PublicationThe article aims to present the role of robotisation in increasing bakery product quality, as it is closely linked to machine reliability, as well as hygienic and sanitary conditions. All machines employed in the production process ought to be maintained at full production potential and reliability, which also has a fundamental influence on the final product’s quality. While participating in the 2014-2020 Smart Growth Operational...
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Digestate Quality Originating from Kitchen Waste
PublicationThis paper examines the influence of biomass directed to anaerobic digestion on the quality of digestate, specifically focusing on the presence of undesirable substances, such as plastics, including biodegradable ones. It analyses the susceptibility of selected bioplastics to degradation and addresses the problem of reliable identification of microplastics in both feedstock—directed to anaerobic digestion—and produced digestate....
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Expert systems in quality control of manufacturing processes
PublicationThe paper deals with quality control in conditions of computer integrated manufacturing (CIM). It shows that quality of material stream items have to be analyzed on every stage of manufacturing process. Collecting and analyzing quantity of data with usage of expert systems make it possible to create a system for coordination of cell's work. The system contains error recovery algorithm and adaptive control subsystem based on fuzzy...
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Improving Re-rankCCP with Rules Quality Measures
PublicationRecommender Systems are software tools and techniques which aim at suggesting new items that may possibly be of interest to a user. Context-Aware Recommender Systems exploit contextual information to provide more adequate recommendations. In this paper we described a modification of an existing contextual post-filtering algorithm which uses rules-like user representation called Contextual Conditional Preferences. We extended the...
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Smartphones as tools for equitable food quality assessment
PublicationBackground: The ubiquity of smartphones equipped with an array of sophisticated sensors, ample processing power, network connectivity and a convenient interface makes them a promising tool for non-invasive, portable food quality assessment. Combined with the recent developments in the areas of IoT, deep learning algorithms and cloud computing, they present an opportunity for advancing wide-spread, equitable and sustainable food...
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Static Shunt PE Voltage-Quality Controllers
PublicationThis chapter focuses on power electronics (PE)-based solutions used in distribution networks for reduction of supply-voltage-quality deterioration, from long interruptions to the harmonics. Various PE devices and their combinations are addressed for particular or a range of voltage disturbances. A particular solution is applied taking into account demands for voltage quality and network configuration. In general, there are three...