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    Wyświetlanie 1-29 z 29
    Tytuł:
    Research on interaction of APFs based on relative gain array
    Autorzy:
    Feng, X.
    Sun, T.
    Ma, W.
    Powiązania:
    https://bibliotekanauki.pl/articles/141523.pdf
    Data publikacji:
    2018
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    interaction effect
    relative gain array
    active power filter
    Norton equivalent
    LCL filter
    Opis:
    Different APFs (Active Power Filter) interact with each other when multiple APFs are connected to the grid, and the interactions deteriorate the control performance of APFs and even lead to system instability. This paper presents a method to analyze the dynamic interaction of multiple APFs in a weak grid. This method uses the Norton equivalent principle to establish the mathematical model of a single APF. The mathematical model of the multiple APFs connected to the grid is set up based on the single APF mode. The RGA (Relative Gain Array) principle is used to analyze the interactions among multiple APFs. Besides, this paper analyzes the effect of changing circuit parameters and controller parameters on the change of the interactions. The strategy of weakening and eliminating the interaction is proposed based on rational selection and combination of parameters. Analysis, along with time domain simulation and experimental results, is presented to verify the feasibility and effectiveness of the proposed method and strategy.
    Źródło:
    Archives of Electrical Engineering; 2018, 67, 1; 165-177
    1427-4221
    2300-2506
    Pojawia się w:
    Archives of Electrical Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Shear Bond Strength Comparison between Conventional Dental Nano Zirconia Combinations and New Functionally Graded Nano Zirconia Combinations after Thermal-Mechanical Cycling
    Autorzy:
    Sun, T.
    Lai, R.
    Liu, R.
    Shao, L.
    Powiązania:
    https://bibliotekanauki.pl/articles/1215622.pdf
    Data publikacji:
    2014-02
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    87.85.jc
    Opis:
    The aim of the study was to evaluate the core-veneer bond strength of graded zirconia combinations and compared those to conventional zirconia combinations after thermal and mechanical tests. Conventional zirconia-veneer combinations and graded zirconia-veneer combinations were made into cylinders. Prior to shear bond testing, half of each group was subjected to thermal and mechanical cycling testing at three conditional levels. All specimens were thereafter subjected to a shear force. The fractured surfaces were visually analyzed with scanning electron microscopy. The shear bond strength values of functionally graded zirconia combinations were significantly higher than zirconia combinations, irrespective of the fatigue conditions (P < 0.05). The shear bond strength values of graded zirconia combinations and zirconia combinations before thermal-mechanical cycling were higher than after (P < 0.05). The shear bond strength values of graded zirconia combinations was $40.99 ± 2.22$ MPa, $39.44 ± 2.36$ MPa, $37.45 ± 2.06$ MPa, and $36.87 ± 2.18$ MPa for conditions 0 to 3, respectively. The shear bond strength values were $26.75 ± 2.16$ MPa, $23.95 ± 2.16$ MPa, $21.65 ± 2.14$ MPa, and $20.49 ± 2.16$ MPa for zirconia combinations from conditions 0 to 3, respectively. The functionally graded zirconia combinations exhibited greater shear bond strength than zirconia combinations, irrespective of the fatigue conditions. Thermal-mechanical cycling had an impact on the shear bond strength of both graded zirconia combinations and conventional zirconia combinations.
    Źródło:
    Acta Physica Polonica A; 2014, 125, 2; 238-240
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The Antibacterial Activities of Ag/$Nano-TiO_2$ Modified Silicone Elastomer
    Autorzy:
    Wang, L.
    Sun, T.
    Zhou, S.
    Shao, L.
    Powiązania:
    https://bibliotekanauki.pl/articles/1215694.pdf
    Data publikacji:
    2014-02
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    78.67.Bf
    Opis:
    We studied the ability of Ag/$nano-TiO_2$ to inhibit Staphylococcus aureus growth on silicone elastomer material. Ag/$nano-TiO_2$ silicone elastomer was prepared with different concentrations of 0%, 2%, 4%, 6%, 8%, 10%. The antibacterial efficacy of Ag/$nano-TiO_2$ silicone elastomer was determined by the inhibition zone method and the impregnated culture method. The antibacterial timeliness of Ag/$nano-TiO_2$ silicone elastomer was tested by direct contact method. The samples were kept through thermal aging process in an accelerated aging chamber. The effect of concentrations of Ag/$nano-TiO_2$ was insignificant (P < 0.05). There was significant difference between the Ag/$nano-TiO_2$ silicone elastomer and the blank silicone elastomer (P < 0.5). There was also significant difference among specimen groups whose aging periods were 50°C, 100°C, 150°C, 200°C for 87 h (P < 0.5). The silicone elastomer with different concentrations of Ag/$nano-TiO_2$ effectively inhibits Staphylococcus aureus growth.
    Źródło:
    Acta Physica Polonica A; 2014, 125, 2; 248-250
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The Influence of Different Resin Cements and Pretreatments on the Bond Strength between Zirconia and Cement
    Autorzy:
    Sun, T.
    Hu, C.
    Wang, L.
    Shao, L.
    Powiązania:
    https://bibliotekanauki.pl/articles/1218424.pdf
    Data publikacji:
    2014-02
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    87.85.jc
    Opis:
    The aim of this study was to analyze the influence of various luting materials and surface treatments on adhesive strength for zirconia ceramics and luting cements. The zirconia framework specimens were made into cylinders. Prior to cement, zirconia framework specimens underwent various surface treatments (sandblasting with 110 μm $Al_2O_3$ particles, milling with 240-grift silicon sand paper and silanization). Resin luting cement and glass ionomer luting cement were then applied on the surface of zirconia specimens. The specimens were then subjected to a shear force. The fractured surfaces were visually analyzed by scanning electron microscopy. The shear bond strength values of resin luting cement bonded to zirconia specimens were significantly higher than glass ionomer luting cement bonded to zirconia specimens (P < 0.05). The shear bond strength values of zirconia specimens sandblasted with 110 μm $Al_2O_3$ particles were significantly higher than those milled with silicon carbide papers and underwent silanization (P < 0.05). The shear bond strength values of zirconia specimens milled with silicon carbide papers and underwent silanization were not significantly different (P < 0.05). The highest shear bond strength values were achieved when the zirconia specimens were sandblasted and bonded to resin luting cement. Airborne-particle abrasion was an effective method which could enhance the bond strength of zirconia ceramics and cements. The resin luting cement exhibited a higher bond to zirconia than glass ionomer luting cement.
    Źródło:
    Acta Physica Polonica A; 2014, 125, 2; 313-315
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Quaternion-based filtering for gyroless attitude estimation without an attitude dynamics model
    Autorzy:
    Zhang, S.
    Xing, F.
    Sun, T.
    You, Z.
    Powiązania:
    https://bibliotekanauki.pl/articles/220655.pdf
    Data publikacji:
    2018
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    quaternion-based filtering
    gyroless attitude estimation
    angular velocity determination
    Kalman filter
    Opis:
    Conventionally, the filtering technique for attitude estimation is performed using gyros or attitude dynamics models. In order to extend the application range of an attitude filter, this paper proposes a quaternion-based filtering framework for gyroless attitude estimation without an attitude dynamics model. The attitude estimation system is established based on a quaternion kinematic equation and vector observation models. The angular velocity in the system is determined through observation vectors from attitude sensors and the statistical properties of the angular velocity error are analysed. A Kalman filter is applied to estimate the attitude error such that the effect from the angular velocity error is compensated with its statistical properties at each sampling moment. A numerical simulation example is presented to illustrate the performance of the proposed algorithm.
    Źródło:
    Metrology and Measurement Systems; 2018, 25, 3; 631-643
    0860-8229
    Pojawia się w:
    Metrology and Measurement Systems
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Molecular Dynamics Simulation Studies of the CL-20/DNB Co-crystal
    Autorzy:
    Sun, T.
    Xiao, J. J.
    Ji, G. F.
    Zhao, F.
    Xiao, H. M.
    Powiązania:
    https://bibliotekanauki.pl/articles/358075.pdf
    Data publikacji:
    2016
    Wydawca:
    Sieć Badawcza Łukasiewicz - Instytut Przemysłu Organicznego
    Tematy:
    CL-20/DNB co-crystal
    composite
    interactions
    mechanical properties
    molecular dynamics simulation
    Opis:
    Molecular dynamics (MD) simulation was conducted for a DNB (1,3-dinitrobenzene) crystal, a ε-CL-20 (2,4,6,8,10,12-hexanitro-2,4,6,8,10,12-hexaazaisowurtzitane) crystal, a CL-20/DNB co-crystal and a CL-20/DNB composite. From the calculated maximum bond length (Lmax) of the N−NO2 trigger bond, the cohesive energy density (CED) and the binding energy (Ebind), it was found that the CL-20/DNB co-crystal is more insensitive than its composite. Its thermal stability is also better than that of its composite. The pair correlation function (PCF) analysis method was applied to investigate the interfaces between different molecular layers in the CL-20/DNB co-crystal, and in the composite. Additionally, the calculated mechanical data showed that the moduli of the CL-20/DNB co-crystal and its composite are smaller and their elastic elongation and ductility are better than those of the ε-CL-20 and DNB crystals.
    Źródło:
    Central European Journal of Energetic Materials; 2016, 13, 3; 677-693
    1733-7178
    Pojawia się w:
    Central European Journal of Energetic Materials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Hemodynamic impacts of left coronary stenosis : a patient-specific analysis
    Autorzy:
    Chaichana, T.
    Sun, Z.
    Jewkes, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/306747.pdf
    Data publikacji:
    2013
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    coronary artery disease
    computational fluid dynamics (CFD)
    wall shear stress
    tętnica wieńcowa
    dynamika cieczy
    naprężenie
    Opis:
    This study analyses the hemodynamic variations surrounding stenoses located at the left coronary bifurcation, and their influence on the wall shear stress (WSS) in realistic coronary geometries. Four patients with suspected coronary artery disease were chosen, and coronary models were reconstructed based on high-resolution CT data. The coronary stenoses were observed at the left circumflex and left anterior descending branches, resulting in a lumen narrowing of >50%. Flow analysis was performed using computational fluid dynamics, to simulate the cardiac flow conditions of the realistic individual patient geometry. Blood flow and WSS changes in the left coronary artery were calculated throughout the entire cardiac phases. Our results revealed that the recirculation regions were found at the poststenotic locations. WSS was found to increase at the stenotic positions in all four patients. There is a strong correlation between coronary stenosis and the hemodynamic changes, which are reflected in blood flow pattern and WSS, based on the realistic left coronary geometries.
    Źródło:
    Acta of Bioengineering and Biomechanics; 2013, 15, 3; 107-111
    1509-409X
    2450-6303
    Pojawia się w:
    Acta of Bioengineering and Biomechanics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Przyspieszone badania degradacji przy stałym naprężeniu w analizie diod superelektroluminescencyjnych i wrażliwości parametrycznej
    Constant stress adt for superluminescent diode and parameter sensitivity analysis
    Autorzy:
    Li, X.
    Jiang, T.
    Sun, F.
    Ma, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/301041.pdf
    Data publikacji:
    2010
    Wydawca:
    Polska Akademia Nauk. Polskie Naukowo-Techniczne Towarzystwo Eksploatacyjne PAN
    Tematy:
    analiza wrażliwościowa
    ruchy Browna
    obniżenie charakterystyk
    badania przyspieszone
    SLD
    sensitivity analysis
    Brownian motion
    performance degradation
    accelerated testing
    Opis:
    Ruchy Browna są jednym z najpotężniejszych procesów stochastycznych w ciągłym czasie i ciągłej przestrzeni, który ma też mocne podstawy fi zyczne. W analizie przyspieszonych badań degradacji (ADT), rozkład odwrotny gaussowski, będący rozkładem czasu pierwszego przejścia ruchu Browna z dryfem (drift Brownian motion), staje się bardzo popularnym modelem predykcji statystycznej życia i niezawodności produktów. Diody superelektroluminescencyjne (SLD) o długiej żywotności i wysokiej niezawodności mają wiele zalet fi zycznych, które sprawiają, że zastępują one diody laserowe (LD) oraz diody elektroluminescencyjne (świecące) (LED) i mają szerokie zastosowanie w czujnikach światłowodowych. W niniejszym artykule przeprowadzono badania ADT diody SLD przy stałym naprężeniu. Aby ocenić możliwość zastosowania rozkładu odwrotnego gaussowskiego do badań diod SLD, określono najpierw trwałość i niezawodność SLD na podstawie danych o spadku mocy optycznej uzyskanych z badania ADT prowadzonego przy stałym naprężeniu. Następnie przeprowadzono analizy wrażliwości parametrycznej w trzech wymiarach: niezawodności, czasu życia i parametru analitycznego. Wreszcie, kierując się wynikami analizy wrażliwościowej, przedstawiono niektóre zasady planowania i przeprowadzania testów ADT przy stałym naprężeniu.
    Brownian motion is one of the most powerful stochastic processes in continuous time and continuous space and has a good physics background. For the analysis of accelerated degradation testing (ADT), the inverse Gaussian (IG) distribution, which is the fi rst passage time distribution of the drift Brownian motion (DBM), becomes a very popular statistical prediction model of product life and reliability. Instead of laser diode (LD) and Light Emitting Diode (LED), long-life and high-reliability super-luminescent diode (SLD) has many physical advantages and has been widely used in optical fi ber sensors. In this paper, the constant stress ADT (CSADT) of SLD was conducted. In order to evaluate the applicability of IG distribution to SLD, we fi rst estimate the life and reliability of SLD based on the optical power degradation data collected in CSADT. Then parameter sensitivity analyses are conducted in the 3-dimensions of reliability, lifetime and the analytic parameter. Finally, according to the sensitive analysis results, some CASDT planning and testing principles are presented.
    Źródło:
    Eksploatacja i Niezawodność; 2010, 2; 21-26
    1507-2711
    Pojawia się w:
    Eksploatacja i Niezawodność
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A novel lectin with antiproliferative activity from the medicinal mushroom Pholiota adiposa
    Autorzy:
    Zhang, G.
    Sun, J.
    Wang, H.
    Ng, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/1040531.pdf
    Data publikacji:
    2009
    Wydawca:
    Polskie Towarzystwo Biochemiczne
    Tematy:
    Pholiota adiposa
    lectin
    mushroom
    purification
    antiproliferative
    Opis:
    Little was known about biological activities of compounds from the medicinal mushroom of the genus Pholiota. A lectin from the Pholiota adiposa has now been isolated and its properties tested. The isolation procedure included ion exchange chromatography on DEAE-cellulose and CM-cellulose, and fast protein liquid chromatography-gel filtration (FPLC) on Superdex 75. The lectin was composed of two identical subunits, each with a molecular mass of 16 kDa. Its N-terminal amino-acid sequence showed little similarity to sequences of other Agaricales lectins. The hemagglutinating activity of the lectin was stable at temperatures up to 50°C, and in NaOH and HCl solutions with concentrations less than 25 mM. It was inhibited by inulin (12.5-200 mM), but enhanced by Cu2+ (6.25-25 mM), Fe2+ (12.5-25 mM), and Al3+ (6.25-25 mM) ions. The lectin showed antiproliferative activity toward hepatoma Hep G2 cells and breast cancer MCF7 cells with an IC50 of 2.1 µM and approximately 3.2 µM, respectively. It exhibited HIV-1 reverse transcriptase inhibitory activity with an IC50 of 1.9 µM. When compared with P. aurivella lectin, the only Pholiota lectin published to date, P. adiposa lectin differs in chromatographic behavior, molecular mass, N-terminal sequence, and effect of cations on hemagglutinating activity. In the case of the lectin from P. aurivella, its antifungal, antiproliferative, and HIV-1 reverse transcriptase inhibitory activities have not been determined.
    Źródło:
    Acta Biochimica Polonica; 2009, 56, 3; 415-421
    0001-527X
    Pojawia się w:
    Acta Biochimica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Cycle life prediction of Lithium-ion cells under complex temperature profiles
    Prognozowanie cyklu życia ogniw litowo-jonowych przy złożonych profilach temperaturowych
    Autorzy:
    Liu, T.
    Cheng, L.
    Pan, Z.
    Sun, Q
    Powiązania:
    https://bibliotekanauki.pl/articles/301978.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Polskie Naukowo-Techniczne Towarzystwo Eksploatacyjne PAN
    Tematy:
    lithium-ion cells
    capacity fade
    complex temperature profiles
    life prediction
    reliability assessment
    ogniwa litowo-jonowe
    utrata pojemności
    złożone profile temperaturowe
    prognozowanie trwałości
    ocena niezawodności
    Opis:
    Nowadays, the extensive use of Lithium-ion cells requires an accurate life prediction model. Failure of Lithium-ion cells usually results from a gradual and irreversible capacity fading process. Experimental results show that this process is strongly affected by temperature. In engineering applications, researchers often use the regression-based approach to model the capacity fading process over cycles and then perform the cycle life prediction. However, because of neglecting temperature influences, this classic method may lead to significant prediction errors, especially when cells are subject to complex temperature profiles. In this paper, we extend the classic regression-based model by incorporating cell temperature as a predictor. Two effects of temperature on cell capacity are considered. One is the positive effect that high temperature lets a cell discharge more capacity in a cycle; The other is the negative effect that high temperature accelerates cell capacity fading. A cycle life test with six cells are conducted to valid the effectiveness of our method. Results show that the improved model is more suitable to capture the dynamics of cell capacity fading path under complex temperature profiles.
    Obecne szerokie zastosowanie ogniw litowo-jonowych wymaga stworzenia trafnego modelu prognozowania ich trwałości. Uszkodzenia ogniw litowo-jonowych zazwyczaj wynikają ze stopniowego i nieodwracalnego procesu utraty pojemności. Wyniki doświadczeń pokazują, że na ten proces silny wpływ wywiera temperatura. W zastosowaniach inżynieryjnych, naukowcy często wykorzystują podejście oparte na regresji do modelowania procesu utraty pojemności w poszczególnych cyklach by następnie dokonać prognozy trwałości w danym cyklu pracy. Jednakże, ta klasyczna metoda nie bierze po uwagę wpływu temperatury, co może prowadzić do znacznych błędów predykcji, w szczególności, gdy ogniwa pozostają pod wpływem złożonych profili temperaturowych. W prezentowanym artykule, rozszerzono klasyczny model oparty na regresji poprzez włączenie temperatury ogniwa jako czynnika prognostycznego. Przeanalizowano dwa rodzaje wpływu temperatury na pojemność ogniw. Z jednej strony, wysoka temperatura oddziałuje pozytywnie pozwalając ogniwu na uzyskanie większej pojemności w danym cyklu; z drugiej strony jest to wpływ negatywny, ponieważ wysoka temperatura przyspiesza utratę pojemności ogniwa. Przy użyciu sześciu ogniw, przeprowadzono badanie trwałości w danym cyklu pracy w celu potwierdzenia skuteczności naszej metody. Wyniki pokazują, że udoskonalony model pozwala lepiej uchwycić dynamikę ścieżki utraty pojemności ogniwa w warunkach złożonych profili temperaturowych.
    Źródło:
    Eksploatacja i Niezawodność; 2016, 18, 1; 25-31
    1507-2711
    Pojawia się w:
    Eksploatacja i Niezawodność
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Reliability analysis for multi-state system based on triangular fuzzy variety subset bayesian networks
    Analiza niezawodności systemu wielostanowego z zastosowaniem sieci bayesowskich opartych na rozmytych podzbiorach zmienności opisanych przez trójkątną funkcję przynależności
    Autorzy:
    He, Q.
    Zha, Y.
    Zhang, R.
    Sun, Q.
    Liu, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/302183.pdf
    Data publikacji:
    2017
    Wydawca:
    Polska Akademia Nauk. Polskie Naukowo-Techniczne Towarzystwo Eksploatacyjne PAN
    Tematy:
    teoria zbiorów rozmytych
    system wielostanowy
    sieć bayesowska
    wypadek podczas ruchu wózka windy
    analiza niezawodności
    reliability analysis
    fuzzy set theory
    Multi-State System
    Bayesian network
    elevator free movement accident
    Opis:
    W niniejszej pracy zaproponowano nową metodę analizy niezawodności systemów wielostanowych wykorzystującą sieci Bayesa (BN) oparte na rozmytych podzbiorach zmienności opisanych za pomocą trójkątnej funkcji przynależności. Metoda ta uwzględnia rozmyty charakter danych dotyczących uszkodzeń, wielostanowość systemu oraz zmienność prawdopodobieństwa wystąpienia uszkodzenia w czasie. BN, które znalazły zastosowanie w modelowaniu i metodach obliczeniowych, wykorzystuje się także do analizy niezawodności. W przedstawionych badaniach, analizę BN uzupełniono o elementy teorii zbiorów rozmytych wykorzystując do opisu prawdopodobieństwa wystąpienia uszkodzenia, podzbiory zmienności opisane przez trójkątną funkcję przynależności. Niepewność zależności logicznej pomiędzy awariami reprezentowanymi przez różne węzły sieci opisano za pomocą tabel rozmytego prawdopodobieństwa warunkowego. W pierwszej kolejności analizowano prawdopodobieństwo uszkodzenia każdego korzenia (węzła głównego) w funkcji czasu. Następnie, wyznaczono trójkątny rozmyty podzbiór zmienności, za pomocą którego opisano rozmyte prawdopodobieństwo uszkodzenia węzłów głównych. Podzbiór ten wykorzystano do analizy niezawodności systemu wielostanowego przy pomocy rozmytych BN. Artykuł kończy opis wypadku podczas ruchu wózka windy szybkobieżnej, który potwierdza skuteczność i możliwość praktycznego wykorzystania proponowanej metody. Wyniki pokazują, że proponowane podejście może skutecznie rozwiązywać na wczesnym etapie problemy związane z niepewnością informacji oraz wielostanowością systemu.
    In this paper, a novel reliability analysis method for multi-state system is proposed on the basis of triangular fuzzy variety subset Bayesian network (BN). The method considers fuzziness, multi-state, and variety of failure probability over time. With advantages in modeling and computation, the BN is utilized for reliability analysis. Fuzzy set theory is introduced into the BN analysis by using triangular fuzzy variety subset to describe failure probability. The uncertainty of fault logical relationship between different nodes is described through fuzzy conditional probability tables. As a function of time, the failure probability of each root node is analyzed first. Subsequently, the triangle fuzzy variety subset is established to describe the fuzzy failure probability of root nodes. This subset is applied to analyze the reliability of multi-state system fuzzy BN. Finally, a case study on the car free movement accident of flexible high-speed elevator lift system is used to demonstrate the effectiveness and practicality of the proposed method. Results show that the proposed approach could effectively address the problems on information uncertainty and multi-state in the early stage.
    Źródło:
    Eksploatacja i Niezawodność; 2017, 19, 2; 158-165
    1507-2711
    Pojawia się w:
    Eksploatacja i Niezawodność
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Preparation, Structure and Kinetic Analysis of the Thermal Behavior of Some Energetic Salts of 3-Hydrazino-4-amino-1,2,4-triazole
    Autorzy:
    Wu, J. T.
    Zhang, J. G.
    Sun, M.
    Yin, X.
    Zhang, T. L.
    Powiązania:
    https://bibliotekanauki.pl/articles/358073.pdf
    Data publikacji:
    2013
    Wydawca:
    Sieć Badawcza Łukasiewicz - Instytut Przemysłu Organicznego
    Tematy:
    synthesis
    crystal structure
    thermal analysis
    3-hydrazino-4-amino-1,2,4-triazole
    energetic salts
    Opis:
    As a key research objective for low melting explosives and propellants, energetic salts have received worldwide attention. 3-Hydrazino-4-amino-1,2,4triazole (HATr) is an important high-nitrogen compound (73.65% N) with good stability. This paper focuses on the energetic salts which were formed between HATr and picric acid (PA) or 2,4,6-trinitroresorcinol (TNR). Single crystals of HATr·PA and HATr·TNR·H2O were grown and their crystal structures determined at low temperature. They both belong to the monoclinic system, P21/n space group. The thermal characteristics of the two target salts were investigated using DSC and TG-DTG. In addition, the non-isothermal decomposition kinetics, heats of combustion and sensitivity have also been investigated. The detonation pressures (P) and detonation velocities (D) of the salts have been calculated using the K-J equations. The results indicated that both salts have certain potential applications as gunpowder and propellant materials.
    Źródło:
    Central European Journal of Energetic Materials; 2013, 10, 4; 481-493
    1733-7178
    Pojawia się w:
    Central European Journal of Energetic Materials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A new docodont mammal from the Late Jurassic of the Junggar Basin in Northwest China
    Autorzy:
    Pfretzschner, H-U
    Martin, T.
    Maisch, M.W.
    Matzke, A.T.
    Sun, G.
    Powiązania:
    https://bibliotekanauki.pl/articles/945778.pdf
    Data publikacji:
    2005
    Wydawca:
    Polska Akademia Nauk. Instytut Paleobiologii PAN
    Tematy:
    docodonta
    dsungarodon
    occlusion
    jurassic
    qigu formation
    junggar basin
    Opis:
    Fieldwork in the early Late Jurassic (Oxfordian) Qigu Formation of the Junggar Basin in Northwest China (Xinjiang Autonomous Region) produced teeth and mandibular fragments of a new docodont. The new taxon has a large “pseudotalonid” on the lower molars, and by retention of crest b−g exhibits closer affinities to Simpsonodon and Krusatodon from the Middle Jurassic of Europe than to the other known Asian docodonts Tashkumyrodon, Tegotherium, and Sibirotherium. It differs from the Haldanodon–Docodon−lineage by the “pseudotalonid” and large cusps b and g. A PAUP analysis based on lower molar characters produced a single most parsimonious tree with two main clades. One clade comprises Docodon, Haldanodon, and Borealestes, and the other Dsungarodon, Simpsonodon, and Krusatodon plus the Asian tegotheriids. Analysis of the molar occlusal relationships using epoxy casts mounted on a micromanipulator revealed a four−phase chewing cycle with transverse component. The molars of the new docodont exhibit a well developed grinding function besides cutting and shearing, probably indicating an omnivorous or even herbivorous diet. A grinding and crushing function is also present in the molars of Simpsonodon, Krusatodon, and the Asian tegotheriids, whereas Borealestes, Haldanodon, and Docodon retain the plesiomorphic molar pattern with mainly piercing and cutting function.
    Źródło:
    Acta Palaeontologica Polonica; 2005, 50, 4; 799-808
    0567-7920
    Pojawia się w:
    Acta Palaeontologica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Design of brake force distribution model for front-and-rear-motor-drive electric vehicle based on radial basis function
    Autorzy:
    Sun, B.
    Zhang, T.
    Gao, S.
    Ge, W.
    Li, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/224023.pdf
    Data publikacji:
    2018
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    electric vehicle
    motor drive
    front-and-rear-motor-drive
    brakes force
    brake force distribution
    pojazd elektryczny
    napęd silnikowy
    napęd silnikowy przedni i tylny
    siła hamowania
    rozkład siły hamowania
    Opis:
    To achieve high-efficiency and stable brake of a front-and-rear-motor-drive electric vehicle (FRMDEV) with parallel cooperative braking system, a multi-objective optimal model for brake force distribution is created based on radial basis function (RBF). First of all, the key factors, which are the coefficient of brake force distribution between the front and rear shafts, the coefficient of brake force distribution at wheels, the coefficient of regenerative brake force distribution between front and rear axles, that influence the brake stability and energy recovery of the FRMDEV are analyzed, the fitness functions of brake stability and energy recovery are established. Secondly, the maximum allowed regenerative brake torque influenced by the state of charge of battery is confirmed, the correction model of the optimal distribution coefficient of regenerative brake force is created according to motor temperatures. Thirdly, based on HALTON sequence method, a two-factor database, vehicle velocity and brake strength, that characterizes vehicle operation is designed. Then an off-line response database of the optimal brake force distribution is established with the use of particle swarm optimization (PSO). Furthermore, based on hybrid RBF, the function model of the factor database and the response database is established, and the accuracy of the model is analyzed. Specially, the correlation coefficient is 0.995 and the predictive error variance is within the range between 0.000155 and 0.00018. The both indicate that the multi-objective distribution model has high accuracy. Finally, a hardware-in-loop test platform is designed to verify the multi-objective optimal brake force distribution model. Test results show that the real-time performance of the model can meet the demand of engineering application. Meanwhile, it can achieve both the brake stability and energy recovery. In comparison with the original brake force distribution model based on the rule algorithm, the optimized one proposed in this paper is able to improve the energy, recovered into battery, by 14.75%.
    Źródło:
    Archives of Transport; 2018, 48, 4; 87-98
    0866-9546
    2300-8830
    Pojawia się w:
    Archives of Transport
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Study on pre-concentration efficiency of wolframite from tungsten ore using gravity and magnetic separations
    Autorzy:
    Lu, D.
    Wang, Y.
    Jiang, T.
    Sun, W.
    Hu, Y.
    Powiązania:
    https://bibliotekanauki.pl/articles/109597.pdf
    Data publikacji:
    2016
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    tungsten ore
    pre-concentration
    separation efficiency
    gravity separation
    magnetic separation
    Opis:
    Pre-concentration is effectively applied in recovering wolframite from tungsten ore, due to its benefits of further upgrading tungsten ore and improving separation efficiency. The most important pre-concentration techniques for tungsten ore include gravity separation and magnetic separation, based on the fact that there are appreciable differences, between the desired wolframite and the gangue minerals, in density and magnetic susceptibility. This study investigated the separation efficiency of gravity pre-concentration (Falcon Concentrator) and high-gradient magnetic pre-concentration (SLon VPHGMS) for the beneficiation of a Canada tungsten ore. It is a low-grade type of ore with high silica and arsenic content, and an average content of WO3 is about 0.45%. The optimum conditions for different operational parameters of two pre-concentration separators were studied on this low-grade material. The results presented in this paper suggested that although both pre-concentration techniques were effective for producing pre-concentrates containing high WO3, magnetic pre-concentration showed significantly better separation efficiency. Over 90% of the feed was rejected as the final tailings, meanwhile, over 85% of arsenic minerals were removed with tailings, while the WO3 loss was less than 15%.
    Źródło:
    Physicochemical Problems of Mineral Processing; 2016, 52, 2; 718-728
    1643-1049
    2084-4735
    Pojawia się w:
    Physicochemical Problems of Mineral Processing
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Early and Middle Frasnian brachiopod faunas and turnover on the South China shelf
    Autorzy:
    Ma, X -P
    Becker, R.T.
    Li, H.
    Sun, Y.-Y.
    Powiązania:
    https://bibliotekanauki.pl/articles/21029.pdf
    Data publikacji:
    2006
    Wydawca:
    Polska Akademia Nauk. Instytut Paleobiologii PAN
    Tematy:
    Early Frasnian
    Middle Frasnian
    Frasnian
    paleontology
    brachiopod fauna
    South China shelf
    Devonian
    Brachiopoda
    Cyrtospirifer
    faunal turnover
    Opis:
    The first appearance of the brachiopod Cyrtospirifer and related forms in the Late Devonian of South China significantly postdates the beginning of the Frasnian and the entry of the group in other parts of the world. Scattered data from different sections suggest that its first entry, associated with the emergence of other plicate spiriferids, such as theodossid and conispiriferid brachiopods, was late in the Middle Frasnian. At the same time, many rhynchonellids disappeared or became extinct locally in South China. This brachiopod faunal overturn near the Palmatolepis punctata–Early Pa. hassi zonal boundary is the most significant event in the Early–Middle Frasnian of South China, characterized by about a 35% loss of existing species and the flourishing of the plicate spiriferids, which was coeval with the end of a major biogeochemical perturbation recently recognized in the Pa. punctata Zone. By contrast, atrypid brachiopods do not seem to show any significant diversity change. The brachiopod faunal change was probably related to a (local?) transgressive event in South China, which also brought new pelagic faunas northwards into some intra−shelf deeper water areas, such as the Shetianqiao area in central Hunan Province. Fifteen brachiopod species are described and illustrated, which include some taxa that are first recorded or recognized in South China, e.g., the spiriferid Pyramidaspirifer, which is now known from both North America and South China. One new species, Desquamatia qiziqiaoensis, is erected.
    Źródło:
    Acta Palaeontologica Polonica; 2006, 51, 4; 789-812
    0567-7920
    Pojawia się w:
    Acta Palaeontologica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Increasing nitrogen use efficiency with lower nitrogen application frequencies using zeolite in rice paddy fields
    Autorzy:
    Wu, Q.
    Chen, T.
    Chi, D.
    Xia, G.
    Sun, Y.
    Song, Y.
    Powiązania:
    https://bibliotekanauki.pl/articles/2082479.pdf
    Data publikacji:
    2019
    Wydawca:
    Polska Akademia Nauk. Instytut Agrofizyki PAN
    Tematy:
    available nitrogen
    nitrogen uptake
    root system
    labour force
    Opis:
    Zeolite can effectively regulate the nutrient status in the root zone of crops, thereby increasing nitrogen utilization. However, there has been relatively little research conducted concerning a possible reduction in the frequency of nitrogen application due to the sustained-release properties of zeolite. In this study, 157.5 kg ha-1 nitrogen in the form of urea fertilizer was applied at the same rate, either as a one-time application or as a 3-way split application with and without 10 t ha-1 zeolite. The effects on rice yield, nitrogen uptake, root morphology and soil properties were evaluated in 2014 and 2015. Results showed that zeolite could enhance the biomass, leaf area index and nitrogen uptake. A higher rice grain yield and nitrogen uptake following soil treatment with zeolite could be attributed to a higher soil cation exchange capacity as well as nitrogen and potassium availability in the soil especially during the vegetative period of the rice plant. The addition of nitrogen to the soil as a one-time application or 3-way split application with 10 t ha-1 zeolite significantly increased rice grain yield by 8.5 or 10.7% compared with nitrogen as a one-time application without zeolite. Zeolite addition greatly improved the development of root morphology and activity compared with treatments without zeolite, which contributed to additional plant growth. The addition of nitrogen to the soil with 10 t ha-1 zeolite as a one-time application that can significantly increase nutrient retention is recommended to improve rice grain yield and decrease nitrogen application frequencies in order to lower both labour forces and energy requirements.
    Źródło:
    International Agrophysics; 2019, 33, 2; 263-269
    0236-8722
    Pojawia się w:
    International Agrophysics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Electronic and Magnetic Effects on Cu Doping $Ti_2NiAl$ Heusler Alloy: A First-Principles Study
    Autorzy:
    Wei, X.
    Chu, Y.
    Sun, X.
    E, Y.
    Song, T.
    Guo, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/1205451.pdf
    Data publikacji:
    2014-08
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    71.20.Gj
    61.72.S-
    81.30.-t
    75.50.Cc
    Opis:
    We investigate the effect of the electronic and magnetic properties on nonmagnetic Cu-3d atoms doping the Heusler alloy $Ti_2Ni_{1-x}Cu_xAl$ $(0 ≤ x ≤ 1)$ using first-principles calculations. The optimized lattice constants are consistent with the Vegard law, and energies of doped systems become more lower as the increase of x concentration. A critical transition diagram from half-metallic to metallic characters is discussed. In addition, the magnetic interactions between p and d states are illustrated. Finally, magnetic moments are given as a function of x value, which implies that the Slater-Pauling rule is obeyed at low Cu content $(x ≤ 0.2)$.
    Źródło:
    Acta Physica Polonica A; 2014, 126, 3; 795-797
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Influence of Polytetrafluorethylene on the Mechanical and Safety Properties of a Composite Modified Double Base Propellant
    Autorzy:
    Sun, S.
    Zhang, T.
    Zhao, B.
    Zhang, G.
    Li, X.
    Luo, Y.
    Powiązania:
    https://bibliotekanauki.pl/articles/358296.pdf
    Data publikacji:
    2018
    Wydawca:
    Sieć Badawcza Łukasiewicz - Instytut Przemysłu Organicznego
    Tematy:
    PTFE fibres
    CMDB propellant
    mechanical properties
    mechanical sensitivity
    combustion
    Opis:
    A novel Composite Modified Double Base (CMDB) propellant, formed by mechanically mixing aluminium/polytetrafluorethylene (Al/PTFE) powders, was prepared through a rolling process. A variety of tests, such as tensile properties, particle size analysis etc., were carried out to study the influence of PTFE on the CMDB propellant properties. The PTFE deformed from particles to fibres under a uniform shear force, forming a fibre network which greatly improved the propellant’s mechanical properties. Compared to that of the CMDB propellant without PTFE, the elongation of the propellant containing 6% PTFE was increased by 26 times, and moreover, the impact strength was enhanced by 326% at −40 °C. Significantly, the propellant friction and impact sensitivities were reduced by 75.8% and 35.6%, respectively. In addition, the presence of PTFE in the propellant resulted in fluorination of the Al. The gaseous combustion product AlF3 reduced the propellant combustion agglomeration. Consequently, PTFE significantly promoted the propellant’s mechanical performance, decreased the shock (friction, impact) sensitivity and reduced combustion agglomeration.
    Źródło:
    Central European Journal of Energetic Materials; 2018, 15, 3; 468-484
    1733-7178
    Pojawia się w:
    Central European Journal of Energetic Materials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Reverse flotation of ultrafine magnetic concentrate by using mixed anionic/cationic collectors
    Autorzy:
    Lu, D.
    Hu, Y.
    Li, Y.
    Jiang, T.
    Sun, W.
    Wang, Y.
    Powiązania:
    https://bibliotekanauki.pl/articles/110550.pdf
    Data publikacji:
    2017
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    ultrafine magnetite
    collector mixture
    reverse flotation
    closed flotation
    Opis:
    Compared to reverse cationic flotation, the advantages of reverse anionic flotation include relatively lower sensitivity to slimes and lower reagent cost. Besides, anionic collectors were found to have excellent capability of selectively separating an ultrafine magnetite ore. Addition of a small amount of cationic collector into the anionic collector as the collector mixture can improve the metallurgical results of removing silicates in reverse flotation. In this paper, NaOL and DDA were used for reverse flotation of the ultrafine magnetic concentrate. The separation performance of the collector mixture was investigated at different ratios of NaOL and DDA. The results showed that a better separation performance was obtained for the collector mixture than for NaOL alone. There was an optimal molar ratio between NaOL and DDA equal to 10:1. In the flotation system with the presence of the collector mixture, the good selectivity was found when starch was used as a depressor for magnetite and CaO was used as an activator for quartz. The influences of starch and CaO dosages on the separation performance of magnetite, quartz and chlorite had been investigated through micro-flotation tests. The infrared spectral analysis showed stretching vibration peaks of chemical adsorption of the collector mixture on the magnetite surface. The peaks were not present when starch was used as the depressor for magnetite. The closed flotation tests on the magnetic concentrate with the particle size of -25 μm were performed in the laboratory. The Fe concentrate assaying 64.52 % was obtained with Fe recovery of 80.66%, for the Fe content of feed equal to 52.98%.
    Źródło:
    Physicochemical Problems of Mineral Processing; 2017, 53, 2; 724-736
    1643-1049
    2084-4735
    Pojawia się w:
    Physicochemical Problems of Mineral Processing
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Review of the Photodecomposition of Some Important Energetic Materials
    Autorzy:
    Sun, Y.
    Shu, Y.
    Xu, T.
    Shui, M.
    Zhao, Z.
    Gu, Y.
    Wang, X.
    Powiązania:
    https://bibliotekanauki.pl/articles/358397.pdf
    Data publikacji:
    2012
    Wydawca:
    Sieć Badawcza Łukasiewicz - Instytut Przemysłu Organicznego
    Tematy:
    photodecomposition mechanisms
    energetic materials
    Opis:
    The photodecomposition mechanisms of energetic materials vary with molecular structure, photodissociation wavelength, the phase of the material, experimental pressure and temperature etc. In this paper, the significant progress on photodecomposition studies of some important energetic materials achieved in recent years is introduced in detail, including nitromethane, DMNA (dimethylnitramine), TATB (1,3,5-triamino-2,4,6-trinitrobenzene), RDX (hexahydro-1,3,5-trinitro-1,3,5-triazine), HMX (1,3,5,7-tetranitro-1,3,5,7- tetrazacycloctane) and CL-20 (2,4,6,8,10,12-hexanitrohexaazaisowurtzitane). The difficulties and prospects of photodecomposition research of energetic materials are also indicated.
    Źródło:
    Central European Journal of Energetic Materials; 2012, 9, 4; 411-423
    1733-7178
    Pojawia się w:
    Central European Journal of Energetic Materials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Requirement for and Use of Coated P92 Steel for Enhanced Structural Integrity at High Temperature
    Autorzy:
    Hoey, T.
    Chen, R.
    McCartney, D.
    Sun, W.
    Mansfield, J.
    Barnard, P.
    Foster, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/1402066.pdf
    Data publikacji:
    2015-10
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    81.05.Bx
    81.15.Pq
    68.37.-d
    61.05.-a
    64.75.-g
    Opis:
    To achieve climate change targets and to improve the efficiency of fossil fuel power plant the temperature and pressure of operation must be increased. With steam temperatures predicted to rise by 50-100 K in the next 30 years, this presents a number of material challenges, not least for the ferritic steels used for steam pipework. Currently the best in class ferritic steel for power plant steam pipework is P92, a 9-12% Cr advanced martensitic steel that was developed for its superior high temperature creep resistance. This paper will give a brief overview of P92 microstructure, composition and metallurgy and identify experimentally and computationally some key features of the material. As well as failure by creep, P92 at high temperature also suffers from steam oxidation damage. Recent literature suggests that coatings applied to P92 are a very promising solution. A short review of previous work on steam oxidation resistant coatings for P92 is included. A novel Co-Cr-C coating that has not previously been explored for this application is described. Experimental and computational characterisation is included.
    Źródło:
    Acta Physica Polonica A; 2015, 128, 4; 514-519
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Shear properties of a honeycomb structure with zero Poisson’s ratio
    Autorzy:
    Song, L.
    Sun, Y.
    Han, Z.
    Wang, T.
    Wang, H.
    Yin, C.
    Shen, X.
    Powiązania:
    https://bibliotekanauki.pl/articles/38697109.pdf
    Data publikacji:
    2023
    Wydawca:
    Instytut Podstawowych Problemów Techniki PAN
    Tematy:
    honeycomb structure
    zero Poisson’s ratio
    shear properties
    small deformation
    large deformation
    Opis:
    Honeycomb structures with zero Poisson’s ratio show promising potential for application in variable-sweep wing aircraft. The shear properties of these honeycomb structures serve as a crucial indicator of their morphing capacity. This paper derives the linear and non-linear shear properties of a honeycomb structure with zero Poisson’s ratio. A modified factor is introduced to establish a relationship between the linear and non-linear shear modulus of the honeycomb structure, simplifying the calculation method of the non-linear shear modulus. The validity of theoretical predictions is then confirmed using the finite element method Furthermore, the influences of the geometric parameters on the shear properties of the honeycomb structure with zero Poisson’s ratio are investigated, highlighting the varying contributions of these cell geometric parameters to the shear properties.
    Źródło:
    Archives of Mechanics; 2023, 75, 5; 521-541
    0373-2029
    Pojawia się w:
    Archives of Mechanics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    pUC18-CpG stimulates RAW 264.7 via TBK1-mediated pathway and presents adjuvanticity in mice
    Autorzy:
    Wu, J.
    Chen, Q.
    Xin, T.
    Sun, Y.
    Jia, H.
    Hou, S.H.
    Guo, X.Y.
    Powiązania:
    https://bibliotekanauki.pl/articles/2087554.pdf
    Data publikacji:
    2019
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    adjuvant
    CpG DNA
    Echinococcus granulosus
    TBK1
    type I interferons
    Źródło:
    Polish Journal of Veterinary Sciences; 2019, 2; 195-201
    1505-1773
    Pojawia się w:
    Polish Journal of Veterinary Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Catalytic oxidation of lignin to aromatics over salen-porphyrin complex as a biomimetic catalyst
    Autorzy:
    Lu, X.-J.
    Zhou, X.-F.
    Zhu, Z.-L.
    Sun, Y.
    Tang, K.
    Lei, F.-H.
    Liu, Z.-G.
    Wang, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/52771.pdf
    Data publikacji:
    2019
    Wydawca:
    Sieć Badawcza Łukasiewicz - Instytut Technologii Drewna
    Źródło:
    Drewno. Prace Naukowe. Doniesienia. Komunikaty; 2019, 62, 203
    1644-3985
    Pojawia się w:
    Drewno. Prace Naukowe. Doniesienia. Komunikaty
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effect of experimental infections of various Tembusu virus strains isolated from geese, ducks and chickens on ducklings
    Autorzy:
    Xu, T.
    Huang, X.
    Li, Y.
    Liu, Q.
    Liu, X.
    Han, K.
    Liu, Y.
    Yang, J.
    Zhao, D.
    Bi, K.
    Sun, W.
    Powiązania:
    https://bibliotekanauki.pl/articles/2087719.pdf
    Data publikacji:
    2018
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    goose-derived
    duck-derived
    chicken-derived
    Tembusu virus
    pathogenicity
    Źródło:
    Polish Journal of Veterinary Sciences; 2018, 21, 2; 389-396
    1505-1773
    Pojawia się w:
    Polish Journal of Veterinary Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Selection of reference genes for quantitative real-time RT-PCR on gene expression in Golden Pompano (Trachinotus ovatus)
    Autorzy:
    Chen, X.J.
    Sun, Y.
    Zhang, X.Q.
    Huang, S.
    Cao, Z.J.
    Qin, Q.W.
    Hu, W.T.
    Zhou, Y.C.
    Powiązania:
    https://bibliotekanauki.pl/articles/2087908.pdf
    Data publikacji:
    2017
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Źródło:
    Polish Journal of Veterinary Sciences; 2017, 3; 583-594
    1505-1773
    Pojawia się w:
    Polish Journal of Veterinary Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
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