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Search results for: dew chemistry
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A new finite element with variable Young's modulus
PublicationThe Finite Element Method (FEM) is a numerical technique that is well-established in the field of engineering. However, in biological sciences, it is justtaking its first steps. Bone tissue is an example of biological material which isexposed to high loads in its natural environment. Practically every movementof the body results in changing stress levels in the bone. Nature copes with thisvery well but when human intervention is...
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Human Centric Lighting. The New X Factor?
PublicationWe live in challenging times, and one could even claim we’re experiencing a revolution in lighting with LED technology taking over the world. Part of this rapid change involves a concept called Human Centric Lighting (HCL). In Frankfurt this year, during Light+Building, it was the buzzword, with nearly every second manufacturer’s stand claiming they had figured out the special formula necessary to create perfect HCL illumination....
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Shaping the new face of the Imperial Shipyard in Gdańsk
PublicationThe main purpose of the article is to present the transformation process of the urban complex known as the Imperial Shipyard in Gdańsk. Its rich history and interesting location on the waterfront of the city as well as its proximity to the very centre makes this area a much sought-after location for the new urban development project, which is part of the wider new district in the city centre of Gdańsk – the Young City. The article...
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A new look at the statistical identification of nonstationary systems
PublicationThe paper presents a new, two-stage approach to identification of linear time-varying stochastic systems, based on the concepts of preestimation and postfiltering. The proposed preestimated parameter trajectories are unbiased but have large variability. Hence, to obtain reliable estimates of system parameters, the preestimated trajectories must be further filtered (postfiltered). It is shown how one can design and optimize such...
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Synthesis and Spectroscopic Properties of New Bis-tetrazoles
PublicationSyntheses of N,N'-phenyltetrazole podands link with aliphatic chains containing oxygen, nitrogen and sulphur atoms, are described. The complexing properties of these compounds towards metal cations (Fe2+, Cu2+, Zn2+, Co2+, Ni2+) were investigated by absorption and infrared spectroscopy. The UV-Vis titrations were performed to estimate the stability constant values of the respective complexes with Cu2+ ion. Changes in UV-Vis absorption...
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Marking the Allophones Boundaries Based on the DTW Algorithm
PublicationThe paper presents an approach to marking the boundaries of allophones in the speech signal based on the Dynamic Time Warping (DTW) algorithm. Setting and marking of allophones boundaries in continuous speech is a difficult issue due to the mutual influence of adjacent phonemes on each other. It is this neighborhood on the one hand that creates variants of phonemes that is allophones, and on the other hand it affects that the border...
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A New Approach to Stability Evaluation of Digital Filters
PublicationIn this paper, a new numerical method of evaluating digital filter stability is presented. This approach is based on novel root-finding algorithms at the complex plane using the Delaunay triangulation and Cauchy's Argument Principle. The presented algorithm locates unstable zeros of the characteristic equation with their multiplicities. The proposed method is generic and can be applied to a vast range of systems. Verification of...
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A New Rehabilitation Device for Balance Impaired Individuals
PublicationIn the paper authors present a device designed to improve the rehabilitation process of people with balance impairment. The discussed device (JStep) utilizes a commercially available static standing frame (stander) modified in order to fit force sensing units under the feet and in the pillows around the hips of a patient. While executing rehabilitation tasks, the patient may compensate his balance deficiency by leaning on the pillows...
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Overview of new product development strategies and models
PublicationMotivation: The motivation for the overview presented in this article is to provide a starting point for considering whether existing new product development methodology and its level of detail allows product teams to develop high-quality and business-effective product concepts. Aim: The aim of this article is recognise the current state of research into new product development methodology and to present the strategies and models...
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New master plan for the Young City in Gdańsk.
PublicationArtykuł zawiera omówienie nowego dokumentu planistycznego dla obszaru Młodego Miasta w Gdańsku, obejmującego całość terenów postoczniowych i przylegających poprzemysłowych. Zawarto w nim zarówno wytyczne dotyczące kompozycji urbanistycznej Młodego Miasta jak i jego przyszłego funkcjonowania.
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New chromogenic azothiacrown ethers - synthesis and properties
PublicationOtrzymano nowe chromogeniczne chromojonofory z atomami siarki i dwiema grupami azowymi w makrocyklu. Związki te zastosowano w membranowych elektrodach jonoselektywnych i badano właściwości elektrod w stosunku do jonów metali alkalicznych i przejściowych. Kompleksowanie azotiakoron z jonami metali badano też w układzie dioksan-woda (1:1) metodami spektroskopowymi. Oznaczono stałe trwałości kompleksów miedzi i srebra. W przeciwieństwie...
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Continous improvement - new approach to industrial innovation
PublicationReferat przedstawia szeroko rozumianą rolę innowacji przemysłowej w uzyskiwaniu konkurencyjności przedsiębiorstwa. Skupiono się na wdrażaniu metody doskonalenia ustawicznego do kultury firmy.
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New products of reaction of Lawesson's reagent with diols.
PublicationW artykule przedstawiono syntezę i szczegółową charakterystykę strukturalną i konformacyjną 8-, 9- i 10-członowych pierścieniowych związków heterocyklicznych o unikatowym układzie atomów O-P-S-S. W wyniku reakcji a,w-dioli z odczynnikiem Lawessona wobec zasad powstają odpowiednie sole kwasów bisditiofosfonowych, które po utlenieniu dają w/w pierścieniowe disulfidy. Kwasy bisditiofosfonowe przekształcono także w trwałe diestry S-metylowe,...
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The new tool of inverse analysis applied in geotechnics.
PublicationW pracy przedstawiono przykład prostego zastosowania analizy wstecznej do tzw. Współoddziaływującego Układu Projektowania (Systeme Interactif de Conception -SIC). Zastosowanie analizy wstecznej w tym układzie oparte jest na procedurze zaproponowanej przez Gens´a i innych. W omawianej pracy ograniczono się do określenia liniowej odkształcalności wartości modułowej ośrodka ciągłego. Wykorzystano algorytm minimalizujący funkcje...
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New techniques assisting cochlear implants fitting.
PublicationW referacie przedstawiono metodę telemetrii odpowiedzi neuronalnej (SoE), którą zastosowano w celu oceny amplitudy sygnału, która będzie wywoływała percepcję słuchową poprzez pobudzenie elektrod implantu ślimakowego. Jest to obiektywna metoda wyznaczania skuteczności systemów implantów ślimakowych.
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New effective sources of lysostaphin Staphylococcus simulans
PublicationLizostafyna jest białkiem posiadającym zdolność lizowania ścian komórkowych bakterii z rodzaju Staphylococcus. W pracy przedstawiono konstrukcje dwóch kolejnych układów ekspresyjnych umożliwiających otrzymywanie rekombinantowej lizostafyny w komórkach bakterii Escherichia coli, metodykę oczyszczania białka oraz jego charakterystykę biochemiczną.
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Diesel electric a new trend on the ship propulsion
PublicationW artykule przedstawiono rozwój napędu "diesel elektrycznego" oraz argumentację zastosowania tego napędu na różnych typach statków. Referat zawiera również rozwiązania układu transmisji mocy oraz sprawność, jaka cechuje napęd elektryczny. W artykule zawarto również zalety tego napędu, oraz zwrócono uwagę na nowe koncepcje i rozwiązania korzystne dla wytwarzania i transmisji mocy w napędzie elektrycznym.This article presents development...
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Erfahrungen mit dem Betrieb von Pflanzenkläranlagen
PublicationPraca wskazuje na wyniki pracy oczyszczalni hydrofitowych w Polsce. Oczyszczalnie te skutecznie usuwają ładunek BZT5 i ChZT oraz zawiesiny. Wskazuje się na różnice w pracy systemów wielostopniowych i jednostopniowych oraz na stosowane obciążenia i skuteczności oczyszczania. Ładunek azotu całkowitego usuwany w tych oczyszczalniach wynosi około 7.8 kg/ha i dobę.
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A two-scale (FEM-DEM) approach for concrete
PublicationArtykuł omawia dwu-skalowe podejście do betonu przy wykorzystaniu modelu Mes i DEM. Metodę elementów skończonych zastosowano na poziomie makro. Na poziomie mikro zastosowano metodę elementów dyskretnych. Macierz sztywności wyznaczono na podstawie tensora naprężeń wyznaczonego w skali mikro. Wyniki numeryczne dwusalowe porównano z wynikami dyskretnymi dla całego obszaru.
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Modelling of behavior of plain concrete using DEM
PublicationW artykule pokazano rozwój różnych zjawisk mikrostrukturalnych na poziomie kruszywa w betonie podczas jednoosiowego ściskania i rozciągania.. Obliczenia wykonano stosując metodę DEM. Wyniki na poziomie globalnym porównano doświadczalnymi. Szczególna uwagę zwrócono na propagację rys i szerokość lokalizacji odkształceń.
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Selected issues related to the toxicity of ionic liquids and deep eutectic solvents—a review
PublicationGreen Chemistry plays a more and more important role in implementing rules of sustainable development to prevent environmental pollution caused by technological processes, while simultaneously increasing the production yield. Ionic liquids (ILs) and deep eutectic solvents (DESs) constitute a very broad group of substances. Apart from many imperfections, ILs and DESs have been the most promising discoveries in the world of Green...
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Approcci contemporanei all’etica dei farmacisti e la loro valutazione alla luce dei princìpi della bioetica personalista
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First deep eutectic solvent-based (DES) stationary phase for gas chromatography and future perspectives for DES application in separation techniques
PublicationThe paper presents the first application of deep eutectic solvents (DES) as stationary phases for gas chromatography. DES obtained by mixing tetrabutylammonium chloride (TBAC) as a hydrogen bond acceptor (HBA) with heptadecanoic acid being a hydrogen bond donor (HBD) in a mole ratio of HBA:HBD equal to 1:2 was characterized by its ability to separate volatile organic compounds (VOCs). The Rohrschneider – McReynolds constants determined...
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Trends in the new generation of green solvents in extraction processes
PublicationAnalytical chemistry, like other scientific fields, has undergone a number of changes to make it more consistent with the concept of sustainable development. Among the various steps of chemical analysis, without a doubt, sample preparation is the bottleneck in regard to following a green protocol, especially in terms of solvent consumption. Therefore, many attempts have been made to improve the environmental friendliness of this...
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A review of amide bond formation in microwave organic synthesis
PublicationMicrowave-Assisted Organic Synthesis (MAOS) is one of the most current trends in organic chemistry. Herein, both the most popular and new approaches in microwave-syntheses of very important linkage in Nature - amide bond - are overviewed and compared with conventional synthetic routes.
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Application of deep eutectic solvents in atomic absorption spectrometry
PublicationAtomic absorption spectrometry (AAS) is a widely applied technique for metal quantification due to its practicality, easy use and low cost. However, to improve the metrological characteristics of AAS, in particular the sensitivity and the detection limit, sample pretreatment is commonly used before the detection step itself. In consideration of the principles of Green Analytical Chemistry, new solvents are being introduced into...
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Synthesis and properties of new 'N,'N-phenyltetrazole podand
PublicationThe synthesis of a new chromogenic N,N-phenyltetrazole receptor is reported here. The cationbinding properties of this receptor in solution were investigated by naked-eye colour change, electrochemical methods and UV-Vis spectroscopy in various solvents (CH3CN, dimethylsulphoxide (DMSO), DMSO/H2O, CH3CN/H2O and CH3CN/MeOH). In addition, the receptor was used as a sensing material in ion-selective membrane electrodes. The selectivity...
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A new quaternion-based encryption method for DICOM images
PublicationIn this paper, a new quaternion-based lossless encryption technique for digital image and communication on medicine (DICOM) images is proposed. We have scrutinized and slightly modified the concept of the DICOM network to point out the best location for the proposed encryption scheme, which significantly improves speed of DICOM images encryption in comparison with those originally embedded into DICOM advanced encryption standard...
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A New Model for context aware applications analysis and design
PublicationW artykule zostały opisane aplikacje kontekstowe, które działają w przestrzeniach inteligentnych, oraz zostały przeanalizowane ich właściwości. Na podstawie analizy zaproponowano nowe podejście do ich modelowania które zapewnia oddzielenie logiki aplikacji w zakresie adaptacji (do zmian środowiska) od jej realizacji. Zostały wykorzystane MVC i modele zmian stanu. Zaproponowano ilościową miarę poziomu kontekstowości a także sposób...
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New developments in preparation and use of standard gas mixtures
PublicationStandard gas mixtures are commonly applied in all stages of analytical work related to the analysis of gaseous samples. Numerous techniques for generating standard gas mixtures are in use. In this article, we present new developments regarding the production of standard gas mixtures, with particular focus on improvements in the application of dynamic techniques for generating them. Furthermore, we describe the application of new...
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Sound Art and Architecture: New Horizons for Architecture and Urbanism
PublicationThe article discusses the crossroad between art and architecture. It sketches out the theoretical and practical aspects of involving art into architecture and multisensory dimensions of space. The analysis is based on examples of innovative experimental activities for architecture: educational projects such as workshops, seminars and courses, combining art and architecture, with special emphasis on sound art, and the consequences...
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A NEW WORK SAFETY MANAGEMENT SYSTEM IN CONSTRUCTION SITES
PublicationThe hazards on the list are assessed on two levels, namely as minor and serious, and the risk relating to work at the site at three levels: small, average and high, within the range from 1 to 10, where 1 is the lowest value meaning a small risk, and 10 the value meaning a high risk.
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DEA JAKO METODA OCENY NIEMEDYCZNYCH DETERMINANT ZDROWIA
PublicationSystemy opieki zdrowotnej ze względu na uwarunkowania społeczno-ekonomiczne, takie jak wydłużanie się długości życia, starzenie się społeczeństwa, rozwój technologii medycznych i wysokie koszty funkcjonowania, muszą dbać o efektywność. Celem artykułu jest przedstawienie modelu pomiaru i oceny wpływu czynników ryzyka na zdrowie, z wykorzystaniem metody Data Envelopment Analysis. Analizę przeprowadzono dla 34 krajów OECD dla lat...
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In search for new urban planning education and research formulas
PublicationThis paper shows research and educational urban planning projects based on international and mutlicultural cooperation including innovative elements to conduct research on built environment. Their common aim is to search for a new perspective on the city development and challenges resulting from changing conditions.
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Towards New Mappings between Emotion Representation Models
PublicationThere are several models for representing emotions in affect-aware applications, and available emotion recognition solutions provide results using diverse emotion models. As multimodal fusion is beneficial in terms of both accuracy and reliability of emotion recognition, one of the challenges is mapping between the models of affect representation. This paper addresses this issue by: proposing a procedure to elaborate new mappings,...
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Acoustics - new services for urban planning, research and education
PublicationThe main purpose of the presented design is twofold, namely: providing detailed information about the noise threats that occur every day in city areas and preventing the noise induced hearing loss especially among young people. An experimental system designed for the continuous monitoring of the acoustic climate of urban areas was developed and implemented within the PLGrid Plus project. The assessment of environmental threats...
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New Procedures for Control of Industrial Effluents Treatment Processes
PublicationThis work presents the procedures for monitoring volatile organic compounds during treatment of industrial effluents. The investigation was carried out for a specific effluent—caustic effluent from bitumen production. The developed procedures enable more detailed control of the effectiveness of wastewater treatment than standard procedures. Caustic effluents from bitumen production have a complex physicochemical form and consist...
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New clicked full agonists of the estrogen receptor β
PublicationA click chemistry approach was used to synthesize a series of 1,4-diaryl-substituted 1,2,3-triazoles designed to behave as estrogen receptor (ER) ligands. We studied their affinities for both receptors α and β, their agonist activities in a cell-based luciferase reporter assay and their effect on the proliferation of the hormone-dependent MCF-7 cell line. We found two compounds (3a and 3c) that behave as selective full agonists...
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Comparison of new position estimation algorithm for indoor environment
PublicationIn the paper a new position estimation algorithm based on distance measurements is presented. This algorithm is dedicated for indoor environments. In the paper the new algorithm is compared with Chan algorithm. For the comparison were used real measurements conducted inside a building.
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New trends in development of micro heat exchangers for ORC's
PublicationIn the paper, new trends in development of micro heat exchangers for CHP are presented. Main attention is concentrated on the question, how channels size and thermal development lenght affect the heat transfer. New types of micro heat exchangers developed at the Institute of Fluid-Flow Machinery PAS and the methoda of their design are presented. The new experimental testing methods of the micro-channel heat exchangers, new algorithms...
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New control system of the shunt active power filter
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U-Turn Compression to a New Isostructural Ferrocene Phase
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Evaluation of new photonis XP1472 nine-channel photomultiplier
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Quantum Correlations of a Few Bosons within a Harmonic Trap
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New distributional data on bryophytes of Poland and Slovakia, 9
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New distributional data on bryophytes of Poland and Slovakia, 3
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New concept of a measurement probe for high impedance spectrocopy
PublicationArtykuł przedstawia nową koncepcję sondy pomiarowej służącej jako obwód wejściowy analizatora do spektroskopii wysokoimpedancyjnej. Dzięki wykorzystaniu przetwornika prąd na napięcie uzyskano najmniejszy możliwy wpływ pojemności kabli dołączających mierzony obiekt na wynik pomiaru. Przeprowadzono analizę sondy biorąc pod uwagę najważniejsze parametry wpływające na dokładność pomiaru: pojemności pasożytnicze oraz rzeczywiste parametry...
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A new nethod for RTS noise of semiconductor devices identification
PublicationIn the paper, a new method, called the noise scatterin pattern method (NSP method), for random telegraph signal noise identyfication in the inherent noise of semiconductor devices is described. A block diagram of a noise measurement system based on the NSP method is presented. Examples of patterns of the NSP method are presented.
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New product practices and performance of German appliances companies
PublicationArtykuł prezentuje wyniki badań odnośnie stosowanych praktyk i wyników uzyskiwanych w rozwoju nowych produktów. Badania dotyczyły niemieckich producentów sprzętu gospodarstwa domowego, zaś podstawową metodą gromadzenie danych była ankieta pocztowa. Rezultaty badań wskazują, że wysokie wyniki rozwoju nowych produktów uzyskują producenci, którzy stosują: strategię pioniera, badania koncepcji, przegląd koncepcji, plan marketingowy...
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Container Cargo Safety. New solutions and future trends
PublicationThe smoothness and flexibility of distribution of goods by containers are teh most important impulses for the development in these means of transport. But the second main reason for the growing containerization of freifht is cargo safety.