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Wyszukujesz frazę "Liao, J." wg kryterium: Autor

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    Wyświetlanie 1-10 z 10
    Tytuł:
    A new sufficient schedulability analysis for hybrid scheduling
    Autorzy:
    Zhang, F.
    Zhai, Y.
    Liao, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/330353.pdf
    Data publikacji:
    2016
    Wydawca:
    Uniwersytet Zielonogórski. Oficyna Wydawnicza
    Tematy:
    scheduling algorithm
    real time system
    schedulability analysis
    preemptive scheduling
    earliest deadline first
    fixed priority
    algorytm szeregowania
    system czasu rzeczywistego
    analiza szeregowalności
    Opis:
    Earliest deadline first (EDF) and fixed priority (FP) are the most commonly used and studied scheduling algorithms for real-time systems. This paper focuses on combining the EDF and FP strategies in one system. We provide a new sufficient schedulability analysis for real-time hybrid task systems which are scheduled by EDF and FP. The proposed analysis has a polynomial time complexity and no restrictions on task parameters, where the relative deadline of each task could be less than, equal to, or greater than its period. By extensive experiments, we show that our proposed analysis significantly improves the acceptance ratio compared with the existing results of the sufficient schedulability test for hybrid scheduling systems.
    Źródło:
    International Journal of Applied Mathematics and Computer Science; 2016, 26, 3; 683-692
    1641-876X
    2083-8492
    Pojawia się w:
    International Journal of Applied Mathematics and Computer Science
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Givetian and early Frasnian cono donts from the Compte section (Middle-Upper Devonian, Spanish Central Pyrenees)
    Autorzy:
    Liao, J.-C.
    Valenzuela-Ríos, J. I.
    Powiązania:
    https://bibliotekanauki.pl/articles/2060201.pdf
    Data publikacji:
    2008
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    Devonian
    Spanish Pyrenees
    conodonts
    correlation
    biostratigraphy
    Opis:
    The Givetian and Frasnian conodont suc cession investigated in the Compte section (Spanish Pyrenees) is subdivided into nine Givetian standard conodont zones and two Frasnian zones (MN zones). This succession allows precise identifcation of the lower/middle Givetian, middle/upper Givetian and of the Givetian-Frasnian boundaries by means of index conodonts. The joint entry of Mesotaxis falsiovalis and Skeletognathus norrisi in the same bed shows local isochroneity of the beginning of the falsiovalis and norrisi zones in the latest Givetian. In the earliest Frasnian the sequence of Ancyrodella pristina, A. soluta and A. rotundiloba is observed whilst A. binodosa is lacking. The conodont assemblages consist of key species of the following nine genera: Polygnathus, Icriodus, Tortodus, "Ozarkodina", Schmidtognathus, Klapperina, Mesotaxis, Skeletognathus and Ancyrodella. This is the first conodont report from the Pyrenees showing such a detailed succession of enormous correlation potential.
    Źródło:
    Geological Quarterly; 2008, 52, 1; 1-1
    1641-7291
    Pojawia się w:
    Geological Quarterly
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Ship collision avoidance decision model and simulation based on collision circle
    Autorzy:
    Zhang, J.
    Hu, Q.
    Liao, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/116588.pdf
    Data publikacji:
    2019
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    collision avoidance
    anti-collision
    collision circle
    decision model
    ship collision avoidance decision model
    Possible Point of Collision (PPC)
    Java Topology Suite (JTS)
    colregs
    Opis:
    In order to give consideration to both comprehensive evaluation and efficient decision-making in collision avoidance decision-making process, a collision avoidance decision-making model based on collision circle is proposed by introducing the concept of collision circle. Firstly, the factors causing ship collision are analyzed. Secondly, the static and dynamic characteristics of collision circles are analyzed and summarized by using collision circle simulation cases. Thirdly, based on the static characteristics, a reasonably distributed collision avoidance decision model of (Possible Point of Collision,PPC) was established. Finally, the spatial data operations core algorithm (Java Topology Suite, JTS) is used for logical operation and visualization, so as to realize the ship collision avoidance evaluation and decision. The decision model was used to verify the accident scenario of "SANCHI", and the results showed that the obtained collision avoidance scheme was reasonable and in line with the "International Regulations for Preventing Collisions at Sea" and safety requirements, thus providing a reference for maritime operators to avoid collisions between ships.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2019, 13, 2; 325-334
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Implication and collecting mechanism of emulsified sodium vegetable oleate on fluorite flotation
    Autorzy:
    Sun, L.
    Liu, J.
    Liao, Y.
    Powiązania:
    https://bibliotekanauki.pl/articles/109761.pdf
    Data publikacji:
    2018
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    emulsified sodium vegetable oleate
    collector
    fluorite flotation
    sodium oleate
    Opis:
    The emulsified sodium vegetable oleate (ESVO) was prepared with low-cost vegetable oleate. Using ESVO as a collector, the flotation performance of fluorite had been investigated comparing with sodium oleate at a temperature of 20 ± 2 °C. The results of flotation showed that ESVO had better collecting performance than the sodium oleate. The interaction mechanism of these two collectors with fluorite was studied by the zeta potential, FTIR spectra and laser grain-size tests. Both ESVO and sodium oleate changed fluorite zeta potential by electrostatic attraction and chemical adsorption, and generated calcium carboxylate on the fluorite surface. Moreover, it was concluded that higher fluorite recovery was a consequence of ESVO smaller surface tension comparing to sodium oleate.
    Źródło:
    Physicochemical Problems of Mineral Processing; 2018, 54, 2; 211-219
    1643-1049
    2084-4735
    Pojawia się w:
    Physicochemical Problems of Mineral Processing
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Image encryption combining discrete fractional angular transform with Arnold transform in image bit planes
    Autorzy:
    Zhou, Z.
    Yu, J.
    Liao, Q.
    Gong, L.
    Powiązania:
    https://bibliotekanauki.pl/articles/173704.pdf
    Data publikacji:
    2018
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    Arnold transform
    bit plane
    discrete fractional angular transform
    image encryption algorithm
    Opis:
    A new image encryption algorithm by using a discrete fractional angular transform and Arnold transform in image bit planes is investigated. In the image encryption algorithm, the original image is encrypted by the Arnold transform in image bit planes firstly, and then the resulting image is encrypted by the discrete fractional angular transform further. The key of the image encryption algorithm includes the parameters of the Arnold transform and the order of the discrete fractional angular transform. It is shown that the proposed image encryption algorithm is of high security and strong enough to counteract some conventional image attack manners.
    Źródło:
    Optica Applicata; 2018, 48, 2; 225-236
    0078-5466
    1899-7015
    Pojawia się w:
    Optica Applicata
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Multiple Frequency Ultrasounds Assisted Oil Sands Separation Technology
    Autorzy:
    Liao, K.
    Ge, J.
    Zhang, G.
    Fu, L.
    Powiązania:
    https://bibliotekanauki.pl/articles/177718.pdf
    Data publikacji:
    2017
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    multiple frequency ultrasounds
    cavitation effect
    oil sands separation
    synergistic effect
    Opis:
    Ultrasound has a wide range of applications in oil sands separation industry due to its green and nopolluting characteristics. The combined ultrasounds technology has been widely used in many industries by virtue of the synergistic effect of cavitation effect; meanwhile, dual-frequency ultrasounds have been reported being used in lotion oil sands technology. Based on this idea, this study focuses on the application of multiple frequency ultrasounds in oil sands separation, and a comparative study has been conducted between the combined ultrasounds systems with the difference in the number of the ultrasound. The results show that the oil production rate of the samples treated by the lotion of sodium dodecyl benzene sulfonate (SDBS) and assisted by multiple frequency ultrasounds (96%) is significantly higher than that of the single frequency ultrasound (76%); the bigger the number of the ultrasound participating in the combination is, the higher the oil production rate of the oil sands is; the lower the frequency of the ultrasounds employed in the combined system is, the higher the oil production rate is. The optimum treating conditions for tri-frequency ultrasounds assisted technology are as follow: the treating time is 10-15 min, the treating temperature is 20-30°C, the concentration of surfactant in the lotion is 1.5 g/l, and the mass ratio of the lotion to oil sands is 1.8. In short, the use of multiple frequency ultrasounds can improve the oil production rate of oil sands, reduce the energy consumption during the separation process, and reduce the environmental contamination; therefore, multiple frequency ultrasounds assisted oil sands separation technology is a promising technology for oil sands resources exploitation with high efficiency.
    Źródło:
    Archives of Acoustics; 2017, 42, 4; 767-773
    0137-5075
    Pojawia się w:
    Archives of Acoustics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Carbon Footprint of Production Processes of Polypropylene Nonwoven Shopping Bags
    Poziom emisji związków węgla przy produkcji toreb na zakupy wykonanych z włókniny polipropylenowej
    Autorzy:
    Muthu, S. S.
    Li, Y.
    Hu, J. Y.
    Mok, P. Y.
    Liao, X.
    Powiązania:
    https://bibliotekanauki.pl/articles/233883.pdf
    Data publikacji:
    2012
    Wydawca:
    Sieć Badawcza Łukasiewicz - Instytut Biopolimerów i Włókien Chemicznych
    Tematy:
    poziom emisji związków węgla
    produkcja toreb na zakupy
    włóknina polipropylenowa
    szycie
    zgrzewanie
    SimaPro
    sewing technology
    thermal attachment
    global warming potential
    life cycle impact assessment (LCIA)
    Opis:
    This article reports on the carbon footprint of production processes of polypropylene nonwoven shopping bags made out of two different manufacturing technologies (Products A and B, made by the conventional sewing and thermal joining methods) assessed from their cradle to the gate stage using the Life Cycle Assessment (LCA) technique. This study was performed based on the comprehensive Life Cycle Inventory (LCI) of two different manufacturing sequences obtained from a detailed in-field study of the nonwoven PP bag manufacturing industry. The environmental impacts were quantified by means of the IPCC 2007 GWP V 1.1. method in SIMAPRO 7.2. The carbon footprint expressed in terms of the global warming potential (kg CO2 values for 20 and 100 years), calculated by IPCC 2007 methods, was considered as a directive to compare the environmental impact of these bags, manufactured by the two different technologies, and a detailed explanation of the results is provided in this paper. From the results of carbon footprint modelling, product A, made by conventional sewing technology, was found to be better than product B, made by thermal technology. A detailed explanation of the results of the environmental performance of these bags as well as the hot-spots in both production technologies are discussed to a greater extent in this article.
    Artykuł dotyczy poziomu emisji związków węgla przy produkcji toreb na zakupy wykonanych z włókniny polipropylenowej przy zastosowaniu dwóch różnych technologii (konwencjonalne szycie i zgrzewanie termiczne) ocenionego techniką LCA - środowiskowej oceny analizy cyklu życia produktu. Badania przeprowadzono w oparciu o wyczerpującą analizę zbioru danych cyklu życia (LCI) dwóch różnych procedur produkcyjnych opartych na zebraniu danych od producentów toreb. Ilościowa ocena wpływu środowiska została wyliczona stosując metodę IPCC 2007 GWP V 1.1. Emisja związków węgla w kategoriach potencjału tworzenia efektu cieplarnianego (wartość kgCO2 podana dla 20 i 100 lat) zastała uznana za istotny czynnik dla oceny wpływu analizowanych procesów produkcyjnych na środowisko. Stwierdzono, że z punktu widzenia emisji korzystniejszy jest tradycyjny sposób produkcji - zszywanie, w porównaniu do zgrzewania.
    Źródło:
    Fibres & Textiles in Eastern Europe; 2012, 3 (92); 12-15
    1230-3666
    2300-7354
    Pojawia się w:
    Fibres & Textiles in Eastern Europe
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A Facile Synthesis of 3,3'-Dinitro-5,5'-diamino-bi-1,2,4-triazole and a Study of Its Thermal Decomposition
    Autorzy:
    Ma, Q.
    Lu, H.
    Qu, Y.
    Liao, L.
    Li, J.
    Fan, G.
    Chen, Y.
    Powiązania:
    https://bibliotekanauki.pl/articles/358272.pdf
    Data publikacji:
    2017
    Wydawca:
    Sieć Badawcza Łukasiewicz - Instytut Przemysłu Organicznego
    Tematy:
    3,3’-dinitro-5,5’-diamino-bi-1,2,4-triazole
    facile synthesis
    DSC-TG
    RSFTIR
    TG-IR
    thermolysis
    Opis:
    3,3’-Dinitro-5,5’-diamino-bi-1,2,4-triazole (DABNT) was synthesized by a facile method and its crystalline density was determined as 1.839 g·cm−3 at 293(2) K by X-ray diffraction. Its thermal decomposition kinetics and mechanism were studied by means of differential scanning calorimetry-thermogravimetry (DCS-TG), in situ thermolysis by rapid-scan Fourier transform infrared spectroscopy (RSFTIR) and simultaneous TG-IR technology. The results showed that the apparent activation energies obtained by the Kissinger, Ozawa and Starink methods were 122.9 kJ·mol−1, 123.2 kJ·mol−1 and 123.5 kJ·mol−1, respectively. The thermodynamic parameters of ΔS≠, ΔH≠ and ΔG≠ were −37.5 J·K−1·mol−1, 118.4 kJ·mol−1 and 138.7 kJ·mol−1, respectively. The decomposition reaction process of DABNT starts with the transformation from a primary amine to a secondary amine and then the loss of one nitro-group from the DABNT structure. Gaseous products, such as N2O and H2O, were detected from decomposition in the range of 50-300 °C. Density functional theory (DFT) calculations were further employed to illustrate the decomposition mechanism. The above-mentioned information on the synthesis and thermal behaviour is quite useful for the scale-up and evaluation of the thermal safety of DABNT.
    Źródło:
    Central European Journal of Energetic Materials; 2017, 14, 2; 281-295
    1733-7178
    Pojawia się w:
    Central European Journal of Energetic Materials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Mitigation scratch on fused silica optics using CO2 laser
    Autorzy:
    Liu, C.-M.
    Yan, Z.-H.
    Yang, L.
    Jiang, Y.
    Zu, X.-T.
    Wang, H.-J.
    Liao, W.
    Yuan, X.-D.
    Zheng, W.-G.
    Powiązania:
    https://bibliotekanauki.pl/articles/174978.pdf
    Data publikacji:
    2016
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    mitigation
    scratch
    fused silica
    CO2 laser
    Opis:
    The scratch on a fused silica surface was treated as a chain of connected damage sites and mitigated one after another using CO2 laser irradiation. The optical microscopy image shows that a scratch with the width of about 30 μm and length of several millimeters can be completely mitigated without the formation of debris and bubbles. The mitigated scratch can survive under raster scan laser irradiation with the fluency increased up to 11.0J/cm2 at 3ns and 351nm. On the contrary, the substrate without CO2 laser mitigation is seriously damaged under this irradiation. The light modulation induced by mitigation is much smaller when the scratch is mitigated before being damaged. The light modulation is about 2 when the distance to the mitigated sample is larger than 20cm. The birefringence induced by residual stress in the mitigated scratch is measured. The retardance of the mitigated scratch before being damaged is not visible. Therefore, residual stress in this mitigated scratch before being damaged should be not a critical potential risk in laser damage.
    Źródło:
    Optica Applicata; 2016, 46, 3; 387-397
    0078-5466
    1899-7015
    Pojawia się w:
    Optica Applicata
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The effect of temperature and nitrogen deprivation on cell morphology and physiology of Symbiodinium
    Autorzy:
    Pasaribu, B.
    Li, Y.-S.
    Kuo, P.-C.
    Lin, I.-P.
    Tew, K.-S.
    Tzen, J.T.C.
    Liao, Y.K.
    Chen, C.-S.
    Jiang, P.-L.
    Powiązania:
    https://bibliotekanauki.pl/articles/49111.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Źródło:
    Oceanologia; 2016, 58, 4
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-10 z 10

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