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    Wyświetlanie 1-8 z 8
    Tytuł:
    Some new robotization problems related to the introduction of collaborative robots into industrial practice
    Autorzy:
    Pilat, Zbigniew
    Klimasara, Wojciech
    Pachuta, Marek
    Słowikowski, Marcin
    Powiązania:
    https://bibliotekanauki.pl/articles/384423.pdf
    Data publikacji:
    2019
    Wydawca:
    Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Automatyki i Pomiarów
    Tematy:
    collaborative robots
    robotization
    industrial applications
    safety
    law
    standards
    Opis:
    The appearance of collaborative robots is a natural stage of development of industrial robotics. Research aimed at enabling the work of robots and people in the common area (collaborative workspace) have been conducted for several decades. However, only recently the research results are implemented in industrial conditions. This is mainly due to the introduction of lightweight robots of low payload, which are equipped with special construction solutions and functions in the control area. Thanks to this, these devices can safely collaborate with people in a common workspace. The application of a collaborative robot in the robotization project of an industrial process creates new technical problems and more. The robots themselves, as well as robotic installations, must continue to comply with the applicable safety requirements, in accordance with the relevant directives. Introduction to the use of collaborative robots also creates new legal problems. The article presents the current state of development of collaborative robots in the technical, legal and standardization aspect. The presented material is based mainly on information from the Polish market.
    Źródło:
    Journal of Automation Mobile Robotics and Intelligent Systems; 2019, 13, 4; 91-97
    1897-8649
    2080-2145
    Pojawia się w:
    Journal of Automation Mobile Robotics and Intelligent Systems
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Manufacturing of activated carbon using disposable coconut shells
    Autorzy:
    Aluvihara, Suresh
    Kalpage, C. S.
    Bandaranayake, P. W. S. K.
    Powiązania:
    https://bibliotekanauki.pl/articles/1031548.pdf
    Data publikacji:
    2020
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Activated carbon
    Burning temperature
    Coconut shells
    Industrial Applications
    Metallic composition
    Opis:
    Activated carbon is a solid carbon compound that is composed of carbon in the form of charcoal. It plays a major role in some industrial applications such as water and air purification because of the strong adsorption of its surfaces and its tendency to remove some volatile organic compounds (VOC) and most of contaminants from the water, air or some other material. Various base materials are used in the manufacturing of activated carbon, including different woods and certain synthetic materials. According to the scope of new research, it is possible to produce activated carbon economically using coconut shell waste products. In our work, the coconut shells were burnt using a muffle furnace and at a range of temperatures in 300 ºC - 390 ºC. The elemental compositions of manufactured activated carbon were analyzed using X-ray fluorescence (XRF) spectrophotometer, while the surfaces of manufactured activated carbon were microscopically analyzed using an optical microscope. Thus, the range of 330 ºC - 350 ºC was considered as the most adequate temperatures for the manufacturing process of activated carbon from these coconut shells. Beyond the non-metal carbon, 68.85% Fe and 31.15% K are generated.
    Źródło:
    World News of Natural Sciences; 2020, 31; 25-35
    2543-5426
    Pojawia się w:
    World News of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Przemysłowe zastosowania lipaz w syntezie związków o wysokiej wartości dodanej – 85 lat katalizy enzymatycznej lipazami. Część 2
    Industrial applications of lipases in the synthesis of high added-value chemicals – 85 years of lipase-based enzymatic catalysis. Part 2
    Autorzy:
    Borowiecki, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/172213.pdf
    Data publikacji:
    2015
    Wydawca:
    Polskie Towarzystwo Chemiczne
    Tematy:
    lipazy
    zastosowania przemysłowe
    biokataliza
    związki enancjomerycznie czyste
    lipases
    industrial applications
    biocatalysis
    enantiomerically pure compounds
    Opis:
    Biotransformations are processes, in which chemical reactions are catalyzed by isolated enzymes or whole cells containing them. Among the biocatalysts, lipases are the most commonly used chiral selectors that exhibit high chemo-, regio-, and stereo-selectivity toward wide spectrum of organic compounds of xenobiothic nature. Moreover, lipases are very stable and active in organic solvents, as well as in neat solvents or in supercritical fluids in the absence of added water. Biotransformations by using lipases can be carried out at high substrate concentrations, at ambient temperature and neutral pH, without need for addition of cofactors, application of high pressures, extremely harsh reaction conditions or complex chemical apparatus. In addition, processes based on efficient biocatalytic technologies has proven to be beneficial for the chemical industry, as the lipases are able to catalyze reactions, which are not easily conducted by classical methods or in other cases allow reactions, which can replace several chemical steps. The above mentioned features of lipase-based biotransformations often cause significant improvement in energy efficiency (savings), and lead to a reduction in waste generation thereby making manufacturing processes even more economically attractive and environmentally acceptable. Since the mid-1980s the use of biotransformations with lipases in industry for the production of high added-value compounds, including pharmaceuticals, vitamins, cosmetics, fragrances and flavors, diagnostic preparations and therapeutics, high-tonnage preparation of agrochemicals, modified foods, nutraceuticals, detergents, polymers, advanced materials and biofuels has steadily increased. In this part of the review article on industrial applications of lipases, next group of popularly utilized enzymes relevant for the production of high added-value chemicals are described. It was also shown on several examples that enzymatic catalysis can significantly simplify manufacturing processes of complex structures being green and economical alternative for conventional chemical-based processes. Keywords:
    Źródło:
    Wiadomości Chemiczne; 2015, 69, 5-6; 431-463
    0043-5104
    2300-0295
    Pojawia się w:
    Wiadomości Chemiczne
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effect of electron beam irradiation on filtering facepiece respirators integrity and filtering efficiency
    Autorzy:
    Chmielewska, Dagmara
    Werner, Łukasz
    Gryczka, Urszula
    Migdał, Wojciech
    Powiązania:
    https://bibliotekanauki.pl/articles/2171785.pdf
    Data publikacji:
    2022
    Wydawca:
    Instytut Chemii i Techniki Jądrowej
    Tematy:
    electron beam irradiation
    decontamination
    PP filtering facepiece respirators
    industrial applications
    processing technologies
    nanoparticles filtration
    Opis:
    The outbreak of the COVID-19 pandemic has shown that the demand for medical masks and respirators exceeds the current global stockpile of these items, and there is a dire need to increase the production capacity. Considering that ionizing radiation has been used for sterilization of medical products for many years and electron beam (EB) irradiation enables the treatment of huge quantities of disposable medical products in a short time this method should be tested for the mask’s decontamination. In this work, three different filtering facepiece respirators (FFRs) were irradiated with electron beams of 12 kGy and 25 kGy. The results confirmed that the decrease in filtration efficiency after irradiation of all respirators results from the elimination of the electric charge from the polypropylene (PP) fibers in the irradiation process. Moreover, the applied doses may affect the thermal stability of PP fabrics, while filtering materials structure and integrity have not changed after irradiation.
    Źródło:
    Nukleonika; 2022, 67, 2; 23--33
    0029-5922
    1508-5791
    Pojawia się w:
    Nukleonika
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wszystkie barwy informatyki
    Varicolored computer science
    Autorzy:
    Tadeusiewicz, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/152671.pdf
    Data publikacji:
    2007
    Wydawca:
    Stowarzyszenie Inżynierów i Techników Mechaników Polskich
    Tematy:
    informatyka
    przetwarzanie informacji
    przemysłowe zastosowania komputerów
    informatics
    computer science
    data processing
    industrial applications of the computers
    Opis:
    Przedstawiony artykuł stanowi wprowadzenie, a jednocześnie także omówienie zawartości tego numeru czasopisma "Pomiary, Automatyka, Kontrola" z uwzględnieniem faktu, że artykuły składające się na ten numer są poszerzonymi i wzbogaconymi (a także recenzowanymi!) wersjami referatów, które będą wygłaszane w ramach Czwartej Krajowej Konferencji Naukowej "Informatyka - sztuka czy rzemiosło". Artykuły te dotyczą różnych zagadnień informatyki i jej zastosowań, jednak zebrane razem tworzą, na zasadzie synergii, pewną wartość dodaną. Wartość ta polega na pokazaniu jak bogata i jak różnorodna potrafi być dziedzina zamykana w zbiorczym terminie: Informatyka. W niniejszym artykule wprowadzającym tę różnorodność podkreślono i uwypuklono, nadając jej nazwę "wielobarwności" informatyki.
    Presented paper has two purposes. First should be treated as general introduction to the collection of papers presented on this issue of the journal. This collection is special one, because in fact the articles printed below are enhanced and reviewed versions of the presentations, which are included into program of the Fourth National Conference entitled "Computer science - art or trade". Particular articles are related to the different aspects and different applications of computer science, but collected together in this issue can emerge some kind of additional value. This additional value depend on evidence, how reach and how miscellaneous can be computer science, nevertheless is discussed and considered under unique name. In this paper such property of computer science is discussed and stressed, under the given name "varicolored computer science".
    Źródło:
    Pomiary Automatyka Kontrola; 2007, R. 53, nr 5, 5; 4-5
    0032-4140
    Pojawia się w:
    Pomiary Automatyka Kontrola
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Przemysłowe zastosowania lipaz w syntezie związków o wysokiej wartości dodanej – 85 lat katalizy enzymatycznej lipazami. Część 1
    Industrial applications of lipases in the synthesis of high added-value chemicals – 85 years of lipase-based enzymatic catalysis. Part 1
    Autorzy:
    Borowiecki, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/171564.pdf
    Data publikacji:
    2015
    Wydawca:
    Polskie Towarzystwo Chemiczne
    Tematy:
    lipazy
    lipaza B Candida antarctica
    CAL-B
    lipaza Burkholderia cepacia
    BCL
    zastosowania przemysłowe
    biokataliza
    związki enancjomerycznie czyste
    Candida antarctica lipase B
    Burkholderia cepacia lipase
    industrial applications
    biocatalysis
    enantiomerically pure compounds
    Opis:
    Lipases (EC 3.1.1.3; triacylglycerol acylhydrolases) are the most commonly used enzymes in biotransformations of organic compounds. In living organisms lipases catalyze hydrolysis of higher fatty acid esters of glycerol, thus fulfill an essential function in metabolism of lipids (e.g. fats and oils) and lipoproteins. This year marks 125 years since J.R. Green has identified and described the first lipase isolated from germinated castor-oil beans (Ricinus communis L.) in the form of an extract showing hydrolytic properties. Plants, as well as bacteria are able to produce lipases what was reported in 1901 by Dutch scientist ‒ Christiaan Eijkman. Lipases are also produced by fungi, yeasts, and various organs of higher organisms. A strong foundation, which had a huge impact on the development of global lipase-mediated biotransformations was the discovery made in 1935 and described in Biochemistry Journal and Biochemische Zeitschrift by Polish biochemist- -enzymologist Ernest Alexander Sym (1893-1950) that these enzymes retain almost full catalytic activity even in nearly anhydrous organic solvents. This was exactly fifty years before Russian chemist Alexander Klibanov in 1985 described a lipase- -catalyzed reaction carried out in organic solvents. Since that moment, lipases have became extremely popular in both academic and industrial usage, nowadays being the most important among all biocatalysts used in biochemical processes carried out on an industrial scale. The purpose of this article is to provide a brief characterization of the two most widely used in industrial biotransformations lipases ‒ lipase B from Candida antarctica (CAL-B) and lipase from Burkholderia cepacia (BCL) ‒ and familiarize the readers with the issues of biotechnological processes catalyzed by them. The specifics of a range of industrial applications based on lipase catalysis, including the chemical, pharmaceutical, cosmetic and food industries are also discussed. Keywords:
    Źródło:
    Wiadomości Chemiczne; 2015, 69, 5-6; 391-430
    0043-5104
    2300-0295
    Pojawia się w:
    Wiadomości Chemiczne
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Low cost implementation of LAN based internet less Industrial system: A system architectural approach
    Autorzy:
    Ahmed, Sadman Saffaf
    Islam, Md. Mashrur
    Islam, Anisul
    Powiązania:
    https://bibliotekanauki.pl/articles/1075605.pdf
    Data publikacji:
    2019
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Industrial Monitoring System
    Internet of Things
    LAN
    XAMPP
    applications
    Opis:
    Today, savvy matrix, keen homes, brilliant water systems, canny transportation, are framework frameworks that associate our reality more than we at any point thought conceivable. The basic vision of such frameworks is generally connected with one single idea, the Internet of Things (IoT), where using sensors, the whole physical foundation is firmly combined with data and correspondence advances; where clever observing and the board can be accomplished by means of the utilization of organized implanted gadgets. These gadgets will associate with web to share diverse kinds of information. We have proposed an Industrial Monitoring System utilizing XAMPP server and detecting based applications for web of things. In this paper we use detecting gadgets to check diverse parameters like creation tally, brightening force, control utilization, relative mugginess and temperature of room.
    Źródło:
    World Scientific News; 2019, 122; 255-262
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Discrete element modelling of industrial granular flow applications
    Autorzy:
    Cleary, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/1953967.pdf
    Data publikacji:
    1998
    Wydawca:
    Politechnika Gdańska
    Tematy:
    industrial granular flow applications
    ball mill operation
    dragline bucket filling
    vibrational segregation
    centrifugal mill flow
    slot hopper flow
    idler induced segregation
    cutter bias
    mixing in tumblers
    Opis:
    Discrete element methods for modelling granular flows have now developed sufficiently for them to be applied to complex industrial and mining applications with an expectation that they can predict these flows reasonably well. Furthermore detailed quantitative predictions can be made using these models, allowing them to be validated against carefully designed experiments and then iteratively improved. The models allow existing equipment and processes to be carefully analysed. The resulting enhanced understanding can then be used to help improve them or to create new ones. DEM modelling of a wide range of industrial applications are described in this paper, including ball mill operation, dragline bucket filling, vibrational segregation by size and density, flow in centrifugal mills, flows from slot hoppers, idler induced segregation, cutter bias for commodity samplers and mixing in tumblers.
    Źródło:
    TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk; 1998, 2, 3; 385-415
    1428-6394
    Pojawia się w:
    TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-8 z 8

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