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    Wyświetlanie 1-26 z 26
    Tytuł:
    Coopetition in international maritime shipping
    Autorzy:
    Lin, D. Y.
    Huang, C. C.
    Powiązania:
    https://bibliotekanauki.pl/articles/259566.pdf
    Data publikacji:
    2013
    Wydawca:
    Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
    Tematy:
    coopetition
    maritime freight
    international shipping
    Jacobi approach
    Backward Induction
    Opis:
    The increasingly competitive nature of maritime freight transport has stimulated carriers to improve efficiency and lower costs. The industry has gradually matured, and it has recently become the case that the larger a carrier is, the more competitive advantage it has. Therefore, carriers form strategic alliances to collaborate with each other so that they can reduce their operational costs due to economies of scale. At the same time, such alliances allow carriers to improve the quality of their service by increasing their network coverage. Although carriers collaborate to improve their operational efficiency, they compete with each other simultaneously. In other words, a game of coopetition among carriers has developed in international maritime freight transport in recent years. In this study, we propose a theoretical framework for characterizing coopetition in international maritime shipping and investigating how carriers can manage their business models. Empirical studies, together with salient analytical results, are presented and discussed.
    Źródło:
    Polish Maritime Research; 2013, S 1; 5-12
    1233-2585
    Pojawia się w:
    Polish Maritime Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Sufficient conditions for prisms to produce orthogonal image orientation functions without spectral dispersion
    Autorzy:
    Liao, T.-T.
    Lin, P. D.
    Powiązania:
    https://bibliotekanauki.pl/articles/174146.pdf
    Data publikacji:
    2018
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    prism
    image orientation
    spectral dispersion
    Opis:
    One of the main functions of a prism is to produce an image orientation function without spectral dispersion. The present study extends the work previously reported in [JOSAA 33(7), 2016, pp. 1257–1266] to analyze the sufficient conditions for a prism to produce two particular image orientation functions (Φ2 and Φ5) without spectral dispersion. It is shown that there exist two sufficient conditions under which spectral dispersion can be avoided: (1) the rays enter and exit the prism perpendicularly, or (2) the prism comprises two halves which are mirror images of one another. The present findings provide a useful basis for the design of prisms without spectral dispersion.
    Źródło:
    Optica Applicata; 2018, 48, 4; 575-587
    0078-5466
    1899-7015
    Pojawia się w:
    Optica Applicata
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Establishment of 5-Fluorouracil-resistant canine mammary tumor cell line
    Autorzy:
    Zhou, B.
    Zhang, D.
    Pei, S.M.
    Zhang, K.
    Du, H.C.
    Jin, Y.P.
    Lin, D.G.
    Powiązania:
    https://bibliotekanauki.pl/articles/30283.pdf
    Data publikacji:
    2017
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Opis:
    Canine mammary tumors are the most common neoplasms in intact female dogs. The surgery cannot always solve the problem, chemotherapy are recommend to these patients. However, chemotherapy could always fail because of multidrug resistance (MDR). Through stepwise increasing 5-Fluorouracil (5-FU) concentration in the culture medium, a 5-FU-resistant canine mammary tumor cell line CMT7364/5-FU was established to disclose the molecular mechanism of the drug resistance. Cell morphology, cell sensitivity to drugs, growth curves, expression of proteins, and chemo-sensitivity in vivo were compared between the parental cell line and resistant cell line. As compared it to its parental cell line (CMT7364), CMT7364/5-FU showed different morphology, cross-resistant to other chemo-drugs and a prolonged population doubling time (PDT). The drug efflux pump proteins (ABCB1 and ABCG2) in CMT7364/5-FU were up-regulated. In vivo, the similar result revealed that CMT7364/5-FU cell line was more resistant to 5-FU. In conclusion, a 5-FU-resistant canine mammary tumor cell line (CMT7364/5-FU) was successfully established, it can serve as a good model for researching the mechanism of MDR and screening effective agents to reverse drug resistance.
    Źródło:
    Polish Journal of Veterinary Sciences; 2017, 20, 1
    1505-1773
    Pojawia się w:
    Polish Journal of Veterinary Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Development of Hydrophobic Surgical Forceps using Powder Injection Molding and Surface Treatment
    Autorzy:
    Park, D. Y.
    Park, B. R.
    Gal, C. W.
    Lin, D.
    Han, J. S.
    Jeong, M.-S.
    Bollina, R.
    Hwang, W.
    Park, S. J.
    Powiązania:
    https://bibliotekanauki.pl/articles/352093.pdf
    Data publikacji:
    2018
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    powder injection molding
    hydrophobic
    debinding
    sintering
    surface treatment
    Opis:
    Hydrophobic surgical forceps of end-effectors for laparoscopic operations or minimally invasive surgery were developed through powder injection molding (PIM) and surface treatment. Processing conditions for mixing, debinding, and sintering were investigated to produce defect-free components. An optimum solid loading was determined by torque rheometry experiments. The optimized processing conditions for debinding and sintering were designed through the measurement of weight loss and shrinkage behavior by thermogravimetric analysis and dilatometry experiments. After producing the surgical forceps based on the optimized processing conditions via PIM, surface treatment was carried out to generate the hydrophobic structure on the surface.
    Źródło:
    Archives of Metallurgy and Materials; 2018, 63, 1; 473-480
    1733-3490
    Pojawia się w:
    Archives of Metallurgy and Materials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Genetic algorithm combined with a local search method for identifying susceptibility genes
    Autorzy:
    Yang, C -H.
    Moi, S. -H.
    Lin, Y. -D.
    Chuang, L. -Y.
    Powiązania:
    https://bibliotekanauki.pl/articles/91586.pdf
    Data publikacji:
    2016
    Wydawca:
    Społeczna Akademia Nauk w Łodzi. Polskie Towarzystwo Sieci Neuronowych
    Tematy:
    genetic algorithms
    identifying susceptibility genes
    local search algorithm
    Opis:
    Detecting genetic association models between single nucleotide polymorphisms (SNPs) in various disease-related genes can help to understand susceptibility to disease. Statistical tools have been widely used to detect significant genetic association models, according to their related statistical values, including odds ratio (OR), chi-square test (χ2), p-value, etc. However, the high number of computations entailed in such operations may limit the capacity of such statistical tools to detect high-order genetic associations. In this study, we propose lsGA algorithm, a genetic algorithm based on local search method, to detect significant genetic association models amongst large numbers of SNP combinations. We used two disease models to simulate the large data sets considering the minor allele frequency (MAF), number of SNPs, and number of samples. The three-order epistasis models were evaluated by chi-square test (χ2) to evaluate the significance (P-value < 0.05). Analysis results showed that lsGA provided higher chi-square test values than that of GA. Simple linear regression indicated that lsGA provides a significant advantage over GA, providing the highest β values and significant p-value.
    Źródło:
    Journal of Artificial Intelligence and Soft Computing Research; 2016, 6, 3; 203-212
    2083-2567
    2449-6499
    Pojawia się w:
    Journal of Artificial Intelligence and Soft Computing Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Isolation and sequence analysis of the complete VP2 gene of canine parvovirus from Chinese domestic pets and determination of the pathogenesis of these circulating strains in beagles
    Autorzy:
    Chen, M.R.
    Guo, X.Y.
    Wang, Z.Y.
    Jiang, Y.T.
    Yuan, W.F.
    Xin, T.
    Hou, S.H.
    Song, T.Q.
    Lin, W.D.
    Zhu, H.F.
    Jia, H.
    Powiązania:
    https://bibliotekanauki.pl/articles/2087542.pdf
    Data publikacji:
    2019
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    canine parvovirus
    molecular epidemiology
    phylogenetic analysis
    pathogenesis
    Źródło:
    Polish Journal of Veterinary Sciences; 2019, 2; 287-296
    1505-1773
    Pojawia się w:
    Polish Journal of Veterinary Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    SFRs-based numerical simulation for the reliability of highly-coupled DFTS
    Metoda symulacji numerycznej oparta na pojęciu zakresów uszkodzeń sekwencyjnych służąca do obliczania niezawodności układów modelowanych metodą silnie sprzężonych dynamicznych drzew błędów
    Autorzy:
    Ge, D.
    Li, D.
    Lin, M.
    Yang, Y.-H.
    Powiązania:
    https://bibliotekanauki.pl/articles/300798.pdf
    Data publikacji:
    2015
    Wydawca:
    Polska Akademia Nauk. Polskie Naukowo-Techniczne Towarzystwo Eksploatacyjne PAN
    Tematy:
    highly-coupled DFTs
    sequence failure region
    arbitrary distributions
    numerical simulation
    silnie sprzężone dynamiczne drzewo błędów
    zakres uszkodzeń sekwencyjnych
    arbitralnie przyjęty rozkład
    symulacja numeryczna
    Opis:
    The failure behaviors of many real-life systems are very complex and sequence-dependent, and can be modeled by highly-coupled dynamic fault trees (DFTs). Existing approaches for solving DFTs, such as Markov state-space-based or inclusion-exclusion based methods all have their disadvantages. They either suffer from the problem of state space explosion or are subjected to the combination explosion. Additionally, Markov-based approaches become unavailable when components follow non-exponential time-to-failure distributions which prevail in real-life systems. To overcome shortcomings of the methods mentioned above, SFRs (Sequence Failure Regions)-Based numerical simulation approach is first proposed. The proposed method is applicable for a generalized cut sequence as well as highly-coupled DFTs modeling non-repairable systems with arbitrary time-to-failure distributed components. The results of the validation example indicate the reasonability of our proposed approach.
    Zachowania uszkodzeniowe wielu działających w rzeczywistości układów są bardzo złożone i zależą od sekwencji w jakiej występują uszkodzenia. Zachowania takie można modelować za pomocą silnie sprzężonych dynamicznych drzew błędów (DFT). Istniejące podejścia do rozwiązywania DFT, takie jak metody markowowskie oparte na pojęciu przestrzeni stanów i metody oparte na zasadzie włączeń i wyłączeń mają swoje ograniczenia:albo borykają się z problemem eksplozji przestrzeni stanów albo są narażone na eksplozję kombinatoryczną. Dodatkowo, podejścia markowowskie stają się niedostępne, gdy elementy składowe mają niewykładnicze rozkłady czasu do uszkodzenia, co ma miejsce w przeważającej części układów spotykanych w rzeczywistości. Aby przezwyciężyć mankamenty powyższych metod, zaproponowano metodę symulacji numerycznej opartą na pojęciu zakresów uszkodzeń sekwencyjnych (sequence failure regions, SFR). Proponowana metoda znajduje zastosowanie w modelowaniu systemów nienaprawialnych o elementach, które charakteryzuje arbitralnie przyjęty rozkład czasu do uszkodzenia. Metodę można stosować w modelowaniu opartym zarówno na uogólnionej sekwencji niezdatności (generalizedcut sequence), jak również silnie sprzężonych DFT. Wyniki uzyskane w przedstawionym przykładzie potwierdzają zasadność proponowanego przez nas podejścia.
    Źródło:
    Eksploatacja i Niezawodność; 2015, 17, 2; 199-206
    1507-2711
    Pojawia się w:
    Eksploatacja i Niezawodność
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Analysis of the Twist Structure in Self-twist Yarn
    Analiza struktury skrętu w przędzy samo-skrętnej
    Autorzy:
    Cui, H.
    Gao, X.
    Gao, D.
    Lin, H.
    Powiązania:
    https://bibliotekanauki.pl/articles/234416.pdf
    Data publikacji:
    2017
    Wydawca:
    Sieć Badawcza Łukasiewicz - Instytut Biopolimerów i Włókien Chemicznych
    Tematy:
    self-twist
    twist distribution
    in-phase
    phased
    twist roller
    struktura skrętu
    przędza samoskrętna
    Opis:
    This paper mainly discussed the twist structure and property difference between in-phase self-twist yarn and phased self-twist yarn. There are three kinds of zones along the yarn: the twist-twist zone, twist-notwist zone and notwist-notwist zone in one cycle length of self-twist yarn. The existence of the phase difference makes the length of the notwist-notwist zone decrease. When the size of the phase difference (value c)is closer to or equal to the length of the zero zone(value b), the minimum length of the notwist-notwist zone will be obtained so that the best properties of self-0twist yarn can be achieved. The result for in-phase and phased self-twist yarn shows that the above conclusion is correct.
    W artykule omówiono strukturę skrętu i właściwości przędz samo-skrętnych. W przędzach samo-skrętnych istnieje strefa o zazwyczaj słabym skręcie pomiędzy strefami włókien skręconych i nieskręconych. Istnienie różnicy faz w różnych typach przędz samo-skrętnych powoduje zmniejszenie długości strefy włókien nieskręconych. Minimalna długość tej strefy zostanie osiągnięta, gdy wielkość różnicy faz jest większa lub równa długości strefy zerowej, pozwala to na osiągnięcie jak najlepszych właściwości przędz samo-skrętnych.
    Źródło:
    Fibres & Textiles in Eastern Europe; 2017, 2 (122); 53-56
    1230-3666
    2300-7354
    Pojawia się w:
    Fibres & Textiles in Eastern Europe
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Extended Lie algebraic stability analysis for switched systems with continuous-time and discrete–time subsystems
    Autorzy:
    Zhai, G.
    Xu, X.
    Lin, H.
    Liu, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/929816.pdf
    Data publikacji:
    2007
    Wydawca:
    Uniwersytet Zielonogórski. Oficyna Wydawnicza
    Tematy:
    układ komutowany
    funkcja Lapunowa
    algebra Lie'go
    stateczność wykładnicza
    switched systems
    common quadratic Lyapunov functions
    Lie algebra
    exponential stability
    arbitrary switching
    dwell time scheme
    Opis:
    We analyze stability for switched systems which are composed of both continuous-time and discrete-time subsystems. By considering a Lie algebra generated by all subsystem matrices, we show that if all subsystems are Hurwitz/Schur stable and this Lie algebra is solvable, then there is a common quadratic Lyapunov function for all subsystems and thus the switched system is exponentially stable under arbitrary switching. When not all subsystems are stable and the same Lie algebra is solvable, we show that there is a common quadratic Lyapunov-like function for all subsystems and the switched system is exponentially stable under a dwell time scheme. Two numerical examples are provided to demonstrate the result.
    Źródło:
    International Journal of Applied Mathematics and Computer Science; 2007, 17, 4; 447-454
    1641-876X
    2083-8492
    Pojawia się w:
    International Journal of Applied Mathematics and Computer Science
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Numerical Simulation of Nonlinear Water Wave Problems
    Autorzy:
    Lo, D. C.
    Hu, Jia-Shen
    Lin, I-Fu
    Powiązania:
    https://bibliotekanauki.pl/articles/116613.pdf
    Data publikacji:
    2008
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    Weather Navigation
    Numerical Simulation
    Oceanography
    Nonlinear Water Wave Problem
    Navier-Stokes Equations
    Solitary Waves
    Free-Surface Flow Problem
    Streamfunction Vorticity Formulation
    Opis:
    The main purpose of present paper aims at the establishment of a numerical model for solving the nonlinear water wave problems. The model is based on the Navier-Stokes equations with the consideration of a free-surface through the streamfunction-vorticity formulation. The main advantage of the streamfunction-vorticity formulation is that pressure field can be eliminated from the Navier-Stokes equations. To demonstrate the model feasibility, the present studies are first concentrated on problems including the collision of two solitary waves with different amplitudes, and the overtaking collision of two solitary waves. Then, the model is also applied to a solitary wave passes over the submerged obstacle in a viscous fluid. Finally, the application of present study is also to simulate the generation of solitary waves by underwater moving object. All examples give very promising results, those applications reveal that present formulation is a very powerful approach to simulate the fully nonlinear water wave problems.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2008, 2, 2; 137-142
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Robust H∞ control for a class of uncertain neutral systems with both state and control input time-varying delays via a unified LMI optimization approach
    Autorzy:
    Chen, J. D.
    Yang, C. D.
    Lin, K. J.
    Lien, C. H.
    Powiązania:
    https://bibliotekanauki.pl/articles/970609.pdf
    Data publikacji:
    2008
    Wydawca:
    Polska Akademia Nauk. Instytut Badań Systemowych PAN
    Tematy:
    robust H[infinity] control
    neutral systems
    unified LMI approach
    convex optimization approach
    delay-dependent criterion
    Opis:
    The robust H∞ control problem is considered for a class of uncertain neutral system involving both state and control input time-varying delays. The uncertainties under consideration are nonlinear time-varying parameter perturbations. The methodology is based on the Lyapunov functional combined with a unified LMI approach, and a new delay-dependent criterion is proposed to guarantee the stabilization and disturbance attenuation of systems. Moreover, a convex optimization approach is used to solve the robust H∞ control disturbance attenuation problem. Finally, a numerical example is illustrated to show the validity of this paper. The simulation results reveal significant improvement over the recent results.
    Źródło:
    Control and Cybernetics; 2008, 37, 3; 517-530
    0324-8569
    Pojawia się w:
    Control and Cybernetics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The influence of thermal annealing on structure and oxidation of iron nanowires
    Autorzy:
    Krajewski, M.
    Brzózka, K.
    Górka, B.
    Lin, W.-S.
    Lin, H. -M.
    Szumiata, T
    Gawroński, M.
    Wasik, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/148838.pdf
    Data publikacji:
    2015
    Wydawca:
    Instytut Chemii i Techniki Jądrowej
    Tematy:
    amorphous iron and iron oxides
    iron nanowires
    Mössbauer spectroscopy
    Raman spectroscopy
    thermal annealing
    Opis:
    Raman spectroscopy as well as Mössbauer spectroscopy were applied in order to study the phase composition of iron nanowires and its changes, caused by annealing in a neutral atmosphere at several temperatures ranging from 200°C to 800°C. As-prepared nanowires were manufactured via a simple chemical reduction in an external magnetic fi eld. Both experimental techniques proved formation of the surface layer covered by crystalline iron oxides, with phase composition dependent on the annealing temperature (Ta). At higher Ta, hematite was the dominant phase in the nanowires.
    Źródło:
    Nukleonika; 2015, 60, 1; 87-91
    0029-5922
    1508-5791
    Pojawia się w:
    Nukleonika
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Modelling creep, ratchetting and failure in structural components subjected to thermo-mechanical loading
    Modelowanie pełzania, ratchetingu oraz zniszczenia elementów konstrukcyjnych poddawanych obciążeniom termo-mechanicznym
    Autorzy:
    Dunne, F. P. E.
    Lin, J.
    Hayhurst, D. R.
    Makin, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/280783.pdf
    Data publikacji:
    2006
    Wydawca:
    Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej
    Tematy:
    obciążenia termomechaniczne
    zniszczenia konstrukcji
    cykle termiczne
    creep damage
    cyclic plasticity damage
    thermo-mechanical loading
    FE modelling
    thermo-mechanical testing
    Opis:
    Experiments have been described in which copper components have been subjected to combined cyclic thermal and constant mechanical loading. Two thermal cycles were employed leading to predominantly cyclic plasticity damage and balanced creep - cyclic plasticity damage loading cycles. The combined loading led to component ratchetting and ultimately to failure. Continuum damage-based finite element techniques have been developed for combined cyclic plasticity, creep and ratchetting in components subjected to thermo-mechanical loading. Cycle jumping techniques have been employed within the finite element formulation to minimise computer CPU times. The finite element methods have been used to predict the behaviour of the copper components tested experimentally and the results compared. Steady-state ratchet rates were found to be well predicted by the models. Modes of failure and component lifetimes were also found to be reasonably well predicted. The experimental results demonstrate the importance of isotropic cyclic hardening on the initial component ratchetting rates.
    W pracy przedstawiono doświadczenia, w których miedziane elementy poddawano złożonym obciążeniom zawierającym cykle termiczne i obciążenia stałe. Zastosowano dwa cykle termiczne prowadzące do uszkodzenia z przewagą cyklicznej plastyczności i zrównoważonego pełzania oraz cykle obciążeń wywołujących uszkodzenie typowe dla cyklicznej plastyczności. Obciążenia złożone wywoływały ratcheting badanych elementów, a w efekcie końcowym zniszczenie. Techniki metody elementów skończonych kontynualnej mechaniki uszkodzeń zostały rozwinięte dla cyklicznej plastyczności w złożonym stanie naprężenia, pełzania oraz ratchetingu w elementach poddawanych obciążeniom termo-mechanicznym. W sformułowaniu metody elementów skończonych, aby zminimalizować czasy centralnego procesora (CPU) komputera, zastosowano techniki skoków cyklicznych. Metody elementów skończonych zastosowano w przewidywaniu zachowania się elementów miedzianych wcześniej badanych doświadczalnie, a otrzymane wyniki porównano. Zaproponowane modele w sposób satysfakcjonujący pozwalają przewidywać prędkości stanu ustalonego ratchetingu. Także przewidywania dotyczące sposobów zniszczenia oraz żywotności badanych elementów są zadowalające. Wyniki doświadczalne pokazują istotny wpływ izotropowego wzmocnienia cyklicznego na początkowe składowe prędkości ratchetingu.
    Źródło:
    Journal of Theoretical and Applied Mechanics; 2006, 44, 3; 667-689
    1429-2955
    Pojawia się w:
    Journal of Theoretical and Applied Mechanics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Antioxidant activity and mechanism in flower of Hylocereus undatus (Haw.) Britt. et Rose
    Autorzy:
    Li, X.
    Gao, Y.
    Han, W.
    Lin, J.
    Hu, Q.
    Chen, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/19838.pdf
    Data publikacji:
    2013
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Opis:
    Hylocereus undatus flower is commonly used as food or for medicinal purposes in south China. To study its antioxidant activity and mechanism we used antioxidant and chemical assays to compare two commercial samples from different locations (Shenjing, Qixing). The difference in antioxidant levels corresponded with differences in chemical content (including total phenolics, total flavonoids, kaempferol and quercetin) between Shenjing and Qixing. The antioxidant ability of H. undatus flower seems attributable to total phenolics (mainly total flavonoids). Kaempferol is one of the main bioactive components. H. undatus flower exerts its antioxidant effects through metal chelation and radical scavenging via hydrogen atom (H•) and electron (e) donation.
    Źródło:
    Acta Biologica Cracoviensia. Series Botanica; 2013, 55, 1
    0001-5296
    Pojawia się w:
    Acta Biologica Cracoviensia. Series Botanica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Water film structure during rupture as revealed by MDS image analysis
    Autorzy:
    Truong, N. T.
    Dang, L. X.
    Lin, C.-L.
    Wang, X.
    Miller, J. D.
    Powiązania:
    https://bibliotekanauki.pl/articles/110251.pdf
    Data publikacji:
    2018
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    image processing
    molecular dynamics simulation
    film stability
    molecular porosity
    Opis:
    The structure of thin water films during the rupture process was investigated by a new approach, which combines molecular dynamics simulation (MDS) with image processing analysis. The analysis procedure was developed to convert MDS trajectories to readable 3D images. The water films were studied at different thicknesses by MDS to determine the critical thickness at which the film ruptures. The potential energy of each specific film thickness during the simulation time was analyzed, and the results showed that the potential energy of stable films remained unchanged while the potential energy kept decreasing for films which ruptured during the simulation time. By applying the new procedure, the molecular porosity, which is defined as the void fraction between the volume of molecular pores in the water film and the total volume of the water film, was calculated. The results of molecular porosity for different film thicknesses during the simulation time suggested a critical molecular porosity as 49%. In other words, stable films have a molecular porosity of less than 49%. If a water film has a molecular porosity greater than 49%, rupture occurs during the simulation.
    Źródło:
    Physicochemical Problems of Mineral Processing; 2018, 54, 4; 1060-1069
    1643-1049
    2084-4735
    Pojawia się w:
    Physicochemical Problems of Mineral Processing
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    An application of feedback linearization to the tracking and almost disturbance decoupling control of nonlinear system with uncertainties
    Autorzy:
    Chen, C.-C.
    Huang, Y.-C
    Lin, W.-J.
    Shen, D.-C.
    Huang, L.-A.
    Powiązania:
    https://bibliotekanauki.pl/articles/970382.pdf
    Data publikacji:
    2007
    Wydawca:
    Polska Akademia Nauk. Instytut Badań Systemowych PAN
    Tematy:
    almost disturbance decoupling
    feedback linearizable
    differential geometry approach
    composite Lyapunov approach
    Opis:
    This paper studies the tracking and almost disturbance decoupling problem of nonlinear systems with uncertainties, based on the feedback linearization approach. The main contribution of this study is to construct a controller, under appropriate conditions, such that the resulting closed-loop system is valid for any initial condition and bounded tracking signal with the following characteristics: input-to-state stability with respect to disturbance inputs and almost disturbance decoupling, i.e., the influence of disturbances on the L2 norm of the output tracking error can be arbitrarily attenuated by changing some adjustable parameters. Two examples, which cannot be solved by the first paper on the almost disturbance decoupling problem, are proposed in this paper to exploit the fact that the tracking and the almost disturbance decoupling performances are easily achieved by the proposed approach. In order to demonstrate the practical applicability, the paper has investigated the AMIRA ball and beam system.
    Źródło:
    Control and Cybernetics; 2007, 36, 2; 385-403
    0324-8569
    Pojawia się w:
    Control and Cybernetics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Activation of Retrotransposon in Red Alga by Underwater Pulsed Discharge
    Autorzy:
    Hirayama, K.
    Wang, D.
    Matsuda, M.
    Lin, X.
    Namihira, T.
    Takano, H.
    Takio, S.
    Akiyama, H.
    Powiązania:
    https://bibliotekanauki.pl/articles/1807936.pdf
    Data publikacji:
    2009-06
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    52.80.Wq
    Opis:
    Retrotransposons are mobile genetic elements that accomplish transposition via an RNA intermediate. These elements can be transcriptionally activated by stress factors, such as UV light, ozone, pathogens, wounding and drought. A red alga, Porphyra yezoensis has recently been recognized as a model plant for fundamental and applied study in marine biological science. In this paper, pulsed streamer-like discharge in liquid was used as a new stress condition, and the transcriptional levels of retrotransposon and functional genes of a red alga, Porphyra yezoensis was investigated. From the results of reverse transcription-polymerase chain reaction (RT-PCR) experiments, it is clear that the transcriptions of retrotransposon and functional genes were activated by applying pulsed streamer-like discharge.
    Źródło:
    Acta Physica Polonica A; 2009, 115, 6; 1110-1111
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Mud-trapped herd captures evidence of distinctive dinosaur sociality
    Autorzy:
    Varricchio, D.J.
    Sereno, P.C.
    Xijin, Z.
    Lin, T.
    Wilson, J.A.
    Lyon, G.H.
    Powiązania:
    https://bibliotekanauki.pl/articles/20502.pdf
    Data publikacji:
    2008
    Wydawca:
    Polska Akademia Nauk. Instytut Paleobiologii PAN
    Tematy:
    Cretaceous
    dinosaur
    sociality
    Dinosauria
    Ornithomimosauria
    taphonomy
    drought
    Sinornithomimus dongi
    paleontology
    fossil assemblage
    Opis:
    A unique dinosaur assemblage from the Cretaceous beds of western Inner Mongolia preserves geologic and paleontologic data that clearly delineate both the timing and mechanism of death. Over twenty individuals of the ornithomimid Sinornithomimus dongi perished while trapped in the mud of a drying lake or pond, the proximity and alignment of the mired skeletons indicating a catastrophic mass mortality of a social group. Histologic examination reveals the group to consist entirely of immature individuals between one and seven years of age, with no hatchlings or mature individuals. The Sinornithomimus locality supports the interpretation of other, more taphonomically ambiguous assemblages of immature dinosaurs as reflective of juvenile sociality. Adults of various nonavian dinosaurs are known to have engaged in prolonged nesting and post hatching parental care, a life history strategy that implies juveniles spent considerable time away from reproductively active adults. Herding of juveniles, here documented in a Cretaceous ornithomimid, may have been a common life history strategy among nonavian dinosaurs reflecting their oviparity, extensive parental care, and multi−year maturation.
    Źródło:
    Acta Palaeontologica Polonica; 2008, 53, 4
    0567-7920
    Pojawia się w:
    Acta Palaeontologica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A new mechanism for data visualization with TSK-type preprocessed collaborative fuzzy rule based system
    Autorzy:
    Prasad, M.
    Liu, Y.-T.
    Li, D.-L.
    Lin, C. -T.
    Shah, R. R.
    Kaiwartya, O. P.
    Powiązania:
    https://bibliotekanauki.pl/articles/91743.pdf
    Data publikacji:
    2017
    Wydawca:
    Społeczna Akademia Nauk w Łodzi. Polskie Towarzystwo Sieci Neuronowych
    Tematy:
    fuzzy interference system
    collaborative clustering
    fuzzy logic
    big data
    data visualization
    Opis:
    A novel data knowledge representation with the combination of structure learning ability of preprocessed collaborative fuzzy clustering and fuzzy expert knowledge of TakagiSugeno-Kang type model is presented in this paper. The proposed method divides a huge dataset into two or more subsets of dataset. The subsets of dataset interact with each other through a collaborative mechanism in order to find some similar properties within eachother. The proposed method is useful in dealing with big data issues since it divides a huge dataset into subsets of dataset and finds common features among the subsets. The salient feature of the proposed method is that it uses a small subset of dataset and some common features instead of using the entire dataset and all the features. Before interactions among subsets of the dataset, the proposed method applies a mapping technique for granules of data and centroid of clusters. The proposed method uses information of only half or less/more than the half of the data patterns for the training process, and it provides an accurate and robust model, whereas the other existing methods use the entire information of the data patterns. Simulation results show the proposed method performs better than existing methods on some benchmark problems.
    Źródło:
    Journal of Artificial Intelligence and Soft Computing Research; 2017, 7, 1; 33-46
    2083-2567
    2449-6499
    Pojawia się w:
    Journal of Artificial Intelligence and Soft Computing Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Study of flow softening mechanisms of a nickel-based superalloy with o phase
    Autorzy:
    Lin, Y. C.
    He, D.-G
    Chen, M. S.
    Chen, X.-M.
    Zhao, C.-Y.
    Ma, X.
    Powiązania:
    https://bibliotekanauki.pl/articles/958203.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    alloys
    hot deformation
    flow softening behavior
    microstructural evolution
    Opis:
    The flow softening behaviors of a nickel-based superalloy with o phase are investigated by hot compression tests over wide ranges of deformation temperature and strain rate. Electron backscattered diffraction (EBSD). optical microscopy (OM), and scanning electron microscopy (SEM) are employed to study the flow softening mechanisms of the studied superalloy. It is found that the flow softening behaviors of the studied superalloy are sensitive to deformation temperature and strain rate. At high strain rate and low deformation temperature, the obvious flow softening behaviors occur. With the increase of deformation temperature or decrease of strain rate, the flow softening degree becomes weaken. At high strain rate (1s-1), the flow softening is mostly induced by the plastic deformation heating and flow localization. However, at low strain rate domains (0.001-0.01s-1), the effects of deformation heating on flow softening are slight. Moreover, the flow softening at low strain rates is mainly induced by the discontinuous dynamic recrystallization and the dissolution of 6 phase (Ni3Nb).
    Źródło:
    Archives of Metallurgy and Materials; 2016, 61, 3; 1537-1546
    1733-3490
    Pojawia się w:
    Archives of Metallurgy and Materials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Evaluation of luteinizing hormone regulation of maturation and apoptosis, expression of LHR and FSHR in cumulus-oocyte complexes in Lanzhou fat-tailed sheep
    Autorzy:
    Wei, S.C.
    Deng, Y.Y.
    Lai, L.J.
    Liang, H.Q.
    Lin, G.Z.
    Gong, Z.D.
    Powiązania:
    https://bibliotekanauki.pl/articles/2087862.pdf
    Data publikacji:
    2017
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    In vitro maturation
    apoptosis
    luteinizing hormone
    cumulus oocyte complexes
    Caspase-3
    receptor
    Źródło:
    Polish Journal of Veterinary Sciences; 2017, 4; 759-768
    1505-1773
    Pojawia się w:
    Polish Journal of Veterinary Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Preliminary results on direct photon-photon HBT measurements in square root sNN = 62.4 GeV and 200 GeV Au+Au collisions at RHIC
    Autorzy:
    Das, D.
    Lin, G.
    Chattopadhyay, S.
    Chikanian, A.
    Finch, E.
    Nayak, T.
    Panitkin, S.
    Sandweiss, J.
    Suaide, A.
    Zhang, H.
    Powiązania:
    https://bibliotekanauki.pl/articles/148364.pdf
    Data publikacji:
    2006
    Wydawca:
    Instytut Chemii i Techniki Jądrowej
    Tematy:
    RHIC
    HBT
    interferometry
    TPC
    BEMC
    photon
    Opis:
    We present the preliminary results on direct photon interferometry measurements in Au+Au collisions at square root sNN = 62.4 GeV and 200 GeV using the STAR (solenoidal tracker at RHIC) detector. Photons are reconstructed via e+/e- conversions in STAR Time Projection Chamber (TPC) and energy deposited by photons in STAR Barrel Electromagnetic Calorimeter (BEMC). The two-photon correlations are measured using (1) both photons measured with BEMC; (2) one photon from conversions and the other measured with BEMC. Both the methodologies and the possible constraints in the correlation function measurements are discussed.
    Źródło:
    Nukleonika; 2006, 51,suppl.3; 55-58
    0029-5922
    1508-5791
    Pojawia się w:
    Nukleonika
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Muon Spin Rotation Studies of the Vortex Matter in the High-T$\text{}_{c}$ Superconductor Bi$\text{}_{2}$Sr$\text{}_{2}$CaCu$\text{}_{2}$O$\text{}_{8+δ}$
    Autorzy:
    Blasius, T.
    Niedermayer, Ch.
    Tallon, J. L.
    Pooke, D. M.
    Golnik, A.
    Noakes, D. R.
    Stronach, C. E.
    Ansaldo, E. J.
    Henn, R. W.
    Lin, C. T.
    Bernhard, C.
    Powiązania:
    https://bibliotekanauki.pl/articles/2011022.pdf
    Data publikacji:
    1999-08
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    74.60.Ge
    74.25.Dw
    74.72.Hs
    76.75.+i
    Opis:
    We report muon spin rotation studies of the magnetic field distribution n(B) in the vortex state of the high-temperature superconductor Bi$\text{}_{2}$Sr$\text{}_{2}$CaCu$\text{}_{2}$O$\text{}_{8+δ}$. From our data on three sets of overdoped, nearly optimized and underdoped single crystals we obtain evidence for a two-stage melting process of the vortex matter under equilibrium conditions. In the irreversible regime well below the irreversibility line we observe a transition in the vortex state which we associate with an intra-planar melting transition. The resulting flux-line liquid phase persists over a sizeable temperature interval before the inter-planar decoupling of the individual vortex lines takes place in a second step at the irreversibility line, resulting in a pancake liquid phase.
    Źródło:
    Acta Physica Polonica A; 1999, 96, 2; 245-258
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Molecular cloning, bioinformation analysis and expression of the strictosidine synthase in Dendrobium officinale
    Autorzy:
    Zhu, Y.-F.
    Fan, H.-H.
    Li, D.-H.
    Jin, Q.
    Zhang, C.-M.
    Zhu, L.-Q.
    Song, C.
    Cai, Y.-P.
    Lin, Y.
    Powiązania:
    https://bibliotekanauki.pl/articles/12715947.pdf
    Data publikacji:
    2020
    Wydawca:
    Uniwersytet Przyrodniczy w Lublinie. Wydawnictwo Uniwersytetu Przyrodniczego w Lublinie
    Opis:
    The enzyme strictosidine synthase (STR, EC: 4.3.3.2) plays a key role in the biosynthetic pathway of terpenoid indole alkaloid (TIA). It catalyzes the condensation of the tryptamine and secologanin to form 3α(S)-strictosidine, which is the common precursor of all TIAs. In this paper, a STR gene designated as DoSTR (GenBank: KX068707) was first cloned and characterized from Dendrobium officinale with rapid amplified cDNA ends method (RACE). DoSTR has a length of 1380bp with 1179bp open reading frame encoding 392 amino acids. BlastP analyses showed that its amino acid sequence was classified into Str_synth superfamily. qRT-PCR showed that DoSTR was expressed in all tissues tested, with a significantly higher level in flower and the lowest in stem. Four different treatments with MeJA, SA, ABA and AgNO₃, respectively, could induce the DoSTR expression to a different extent. And the effect of MeJA was the most obvious and transcript level of DoSTR induced by MeJA was 20.7 times greater than that of control at 48 hours after treatment. Furthermore, it was found that DoSTR was localized in vacuole through transient expression in tobacco. The characterization and expression of DoSTR can help in further studying the role of DoSTR in the biosynthesis of TIAs in D. officinale. This study may throw light on the alkaloid biosynthesis pathway of D. officinale.
    Źródło:
    Acta Scientiarum Polonorum. Hortorum Cultus; 2020, 19, 3; 111-124
    1644-0692
    Pojawia się w:
    Acta Scientiarum Polonorum. Hortorum Cultus
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
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