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Wyświetlanie 1-15 z 33
Tytuł:
Development of an indirect enzyme-linked immunosorbent assay for the detection of novel chicken orthoreovirus
Autorzy:
Wei, Z.
Yang, J.
Hu, J.
Tang, Y.
Diao, Y.
Powiązania:
https://bibliotekanauki.pl/articles/16539093.pdf
Data publikacji:
2022
Wydawca:
Polska Akademia Nauk. Czasopisma i Monografie PAN
Tematy:
novel avian orthoreovirus
σC gene
recombinant plasmid
indirect enzyme linked immunosorbent assay
epidemiological investigation
Opis:
A novel avian orthoreovirus (N-ARV) variant characterized with obvious arthritis and synovial inflammation, was isolated from Shandong, China in May 2016. It caused chicken poor growth and enormous economic losses to the poultry industry of China. However, there are few effective methods for detecting the antibody levels of N-ARV. In this study, a viral structural protein σC was expressed using the prokaryotic expression vector pET32a (+). The target protein was obtained by inducing for 6 hours at an IPTG concentration of 0.6mM. The optimal dilution of the coating antigen and serum antibody were determined to be 1000 fold and 10 fold respectively. A specificity test showed that there was no positive reactivity between N-ARV and other pathogens, and when the positive serum was diluted 100 times detection results were still checkable. The repeatability of this method was determined by the inter assay and intra assay tests with variability ranging from 4.85% to 7.93%. In conclusion, this indirect enzyme linked immunosorbent assay (ELISA) will be useful for large-scale serological surveys and monitoring antibody levels in N-ARV infection.
Źródło:
Polish Journal of Veterinary Sciences; 2022, 25, 1; 109-118
1505-1773
Pojawia się w:
Polish Journal of Veterinary Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The expression profile of miR-222b-5p/MAPK10 in spleens of SPF chickens infected with REV-SNV at 28-42 dpi
Autorzy:
Jiang, H.
Gao, S.
Mao, M.
Diao, Y.
Tang, Y.
Hu, J.
Powiązania:
https://bibliotekanauki.pl/articles/2087117.pdf
Data publikacji:
2021
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
reticuloendotheliosis virus strain SNV
RLRs signaling pathway
gga-miR-222b-5p
mitogen-activated protein kinase 10
a dual-luciferase reporter gene experiment
Źródło:
Polish Journal of Veterinary Sciences; 2021, 24, 3; 439-443
1505-1773
Pojawia się w:
Polish Journal of Veterinary Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Characterization of serum adiponectin and leptin in healthy perinatal dairy cows or cows with ketosis, and their effectson ketosis involved indices
Autorzy:
Shen, L.
Qian, B.
Xiao, J.
Zhu, Y.
Hussain, S.
Deng, J.
Peng, G.
Zuo, Z.
Zou, L.
Yu, S.
Ma, X.
Zhong, Z.
Ren, Z.
Wang, Y.
Liu, H.
Zhou, Z.
Cai, D.
Hu, Y.
Zong, X.
Cao, S.
Powiązania:
https://bibliotekanauki.pl/articles/2087289.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
adiponectin
dairy cows
ketosis
leptin
perinatal period
Źródło:
Polish Journal of Veterinary Sciences; 2020, 23, 3; 373-381
1505-1773
Pojawia się w:
Polish Journal of Veterinary Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effects of organic cultivation pattern on tomato production: plant growth characteristics, quality, disease resistance, and soil physical and chemical properties
Autorzy:
Feng, X.
Xu, Y.
Liu, D.
Peng, L.
Dong, J.
Yao, S.
Feng, Y.
Feng, Z.
Li, F.
Hu, B.
Powiązania:
https://bibliotekanauki.pl/articles/12703546.pdf
Data publikacji:
2020
Wydawca:
Uniwersytet Przyrodniczy w Lublinie. Wydawnictwo Uniwersytetu Przyrodniczego w Lublinie
Opis:
Tomato (Solanum lycopersicum L.) is one of the world’s most important cultivated vegetable. In the traditional cultivation methods, the excessive use of pesticides and fertilizers leads to an imbalance of nutrient elements in the soil, an increase in pests and diseases and a decrease in vegetable quality and yield. In the face of increasingly serious environmental and food problems, organic agriculture is considered to be an effective solution. In this experiment, the effects of organic cultivation patterns on the growth, quality, disease resistance in tomatoes, and the physical and chemical properties of soil were studied by different treatments. The results showed that the application of effective microorganisms (EM) bio-organic fertilizer in the cultivation process can significantly improve the yield, quality, and antioxidant enzyme activity of tomato. The use of straw mulching was found to significantly increase the growth, chlorophyll content, transpiration rate, and soluble sugar content of tomatoes. The application of EM bio-organic fertilizer or straw mulching significantly increased the activity of antioxidant enzyme and the expression of LeCHI gene in tomato leaves and enhanced tomato resistance to diseases. Organic production practices were found to significantly improve the soil.
Źródło:
Acta Scientiarum Polonorum. Hortorum Cultus; 2020, 19, 1; 71-84
1644-0692
Pojawia się w:
Acta Scientiarum Polonorum. Hortorum Cultus
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Development of an indirect ELISA based on glycoprotein B gene for detecting of Feline herpesvirus type 1
Autorzy:
Tan, Y.
Dong, G.
Niu, J.
Guo, Y.
Yi, S.
Sun, M.
Wang, K.
Hu, G.
Powiązania:
https://bibliotekanauki.pl/articles/2087468.pdf
Data publikacji:
2019
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
feline herpesvirus type 1
gB protein
indirect ELISA
prokaryotic expression
Źródło:
Polish Journal of Veterinary Sciences; 2019, 3; 631-633
1505-1773
Pojawia się w:
Polish Journal of Veterinary Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Construction of a recombinant baculovirus expressing swine hepatitis E Virus ORF2 and preliminary research on its immune effect
Autorzy:
Yang, Z.
Wang, K.
Hu, Y.
Yuan, P.
Yang, Y.
Xie, L.Y.
Huang, S.L.
Liu, J.
Ran, L.
Song, Z.H.
Powiązania:
https://bibliotekanauki.pl/articles/2087759.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
swine HEV
ORF2
baculovirus
immunogenicity
Źródło:
Polish Journal of Veterinary Sciences; 2018, 21, 1; 47-54
1505-1773
Pojawia się w:
Polish Journal of Veterinary Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Evaluation on Curing Properties and Kinetics of Isophthalonitrile Oxide
Autorzy:
Fan, Y.
Tang, C.
Hu, Q.
Lei, Y.
Huo, J.
Powiązania:
https://bibliotekanauki.pl/articles/780045.pdf
Data publikacji:
2018
Wydawca:
Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
Tematy:
N,N-dihydroxybenzene-1,3-dicarboximidoyl dichloride
kinetics
elastomer
synthesis
1,3-dipolar cycloaddition
Opis:
N,N-dihydroxybenzene-1,3-dicarboximidoyl dichloride was synthesized from benzene-1,3-dicarboxaldehyde and characterized by fourier transform infrared spectroscopy (FT-IR) and nuclear magnetic resonance  1H and 13C NMR). The elastomer was prepared through the 1,3-dipolar cycloaddition of reaction between liquid polybutadiene (LPB) and isophthalonitrile oxide in this work. The tensile strength of different elastomer was enhanced from 0.14 MPa to 0.33 MPa as the elongation at break decreased from 145% to 73%, and the modulus increased from 0.09 kPa to 0.47 kPa. The parameters of kinetic indicated that the curing reaction was first order reaction and the apparent activation energy of each curing system was less than 10.10 kJ/mol when the content of N,N-dihydroxybenzene-1,3- dicarboximidoyl dichloride was increased from 7% to 12%. These results suggested that nitrile oxides achieved curing of polymer binders at room temperature and this work had definite guiding significance for the application of nitrile oxides in polymer binders.
Źródło:
Polish Journal of Chemical Technology; 2018, 20, 3; 37-46
1509-8117
1899-4741
Pojawia się w:
Polish Journal of Chemical Technology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Primary parametric resonance of an axially accelerating beam subjected to static loads
Autorzy:
Hu, Y.
Rong, Y.
Li, J.
Powiązania:
https://bibliotekanauki.pl/articles/949296.pdf
Data publikacji:
2018
Wydawca:
Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej
Tematy:
current-carrying beam
primary parametric resonance
magnetic field
axial movement
static loads
Opis:
Primary parametric resonance and stability of an axially accelerating and current-carrying beam subjected to static loads in magnetic field are investigated. The nonlinear magneto-elastic vibration equation is derived. The approximate solution of the static problem and the disturbance deferential equation of the beam with two sides simply supported are obtained. The frequency-response equation of primary parametric resonance is further achieved by a multi-scale method. According to stability conditions, the stability of the steady-state solution is also discussed. By numerical examples, the amplitude versus different parameter curves and the bifurcation diagrams of the amplitude are acquired. The effects of magnetic induction intensity, axial speed, detuning parameter and static loads on nonlinear vibration characteristics are also analyzed.
Źródło:
Journal of Theoretical and Applied Mechanics; 2018, 56, 3; 815-828
1429-2955
Pojawia się w:
Journal of Theoretical and Applied Mechanics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The effect of polyacrylic acid on the surface properties of calcite and fluorite aiming at their selective flotation
Autorzy:
Zhang, C.
Gao, Z.
Hu, Y.
Sun, W.
Tang, H.
Yin, Z.
He, J.
Guan, Q.
Zhu, Y.
Powiązania:
https://bibliotekanauki.pl/articles/110577.pdf
Data publikacji:
2018
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
calcite
fluorite
selective flotation
polyacrylic acid
Opis:
In this study, the polyacrylic acid (PAA) was studied as a selective depressant for calcite in the selective flotation of fluorite and calcite, and the implications of this process for the separation of fluorite ore were studied using micro-flotation tests, and the results were analyzed with Fourier transform infrared spectroscopy (FT-IR) and X-ray photoelectron spectroscopy (XPS) analyses. The flotation tests indicated that the preferential adsorption of PAA onto calcite rather than sodium oleate (NaOl) could selectively depress the flotation of calcite, allowing its separation from fluorite at pH 7. The zeta potential of calcite became more negative with the addition of PAA rather than with NaOl. However, the characteristic features of PAA adsorption were not observed for fluorite, suggesting that NaOl preferentially adsorbed on the surface of fluorite, or that PAA could be replaced by NaOl on the fluorite surface. FT-IR and XPS analysis were utilized to obtain a better understanding of the mechanism by which PAA was more strongly adsorbed on the calcite surface than NaOl. This was revealed to occur through chemical bonding between the carboxyl group of PAA and the hydroxyl groups of the Ca species on the calcite surface, modifying the structure of the adsorbed layer. A possible adsorption mechanism, along with a postulated adsorption mode for the surface interaction between PAA and calcite, is proposed.
Źródło:
Physicochemical Problems of Mineral Processing; 2018, 54, 3; 868-877
1643-1049
2084-4735
Pojawia się w:
Physicochemical Problems of Mineral Processing
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A new simulation-optimization approach for the circulation facilities design at urban rail transit station
Autorzy:
Khattak, A.
Jiang, Y.
Zhu, J.
Hu, L.
Powiązania:
https://bibliotekanauki.pl/articles/223467.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
urban rail transit station
facilities design
genetic algorithm
simulation optimisation
stacja transportu miejskiego
projektowanie obiektów
algorytm genetyczny
symulacja optymalizacji
Opis:
Width design of the urban rail transit stations circulation facilities is a vital issue. The existing width design approach failed in fully considering the essential factors such as fluctuation in passengers’ arrival process, fluctuation and state-dependence in passengers walking speed and the blocking when passengers’ demand exceeds the capacity of facilities. For this purpose, a PH-based simulation-optimization approach is proposed that fully considers the fluctuation, the state-dependence, Level of Service (LOS) and blocking effect. This novel approach provides automatic reconfiguration of the widths of circulation facilities by a concurrent implementation of a PH-based Discrete-Event Simulation (DES) model and the Genetic Algorithm (GA). The proposed PH-based simulation-optimization approach and the existing design approaches based on the exponential and deterministic models are applied to design the widths of circulation facilities. The results reveal that the circulation facilities designed by the proposed approach have larger widths. Similarly, increase in the SCV of arrival interval results in increasing the widths designed by the proposed approach increase while the widths of the other two approaches stay the same. The width designed of the proposed approach increase at faster rate than that of the other two approach when the passengers’ arrival rate increases.
Źródło:
Archives of Transport; 2017, 43, 3; 69-90
0866-9546
2300-8830
Pojawia się w:
Archives of Transport
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A Simplified Approach for the Hydro-forming Process of Bi-metallic Composite Pipe
Autorzy:
Zheng, M.
Gao, H.
Teng, H.
Hu, J.
Tian, Z.
Zhao, Y.
Powiązania:
https://bibliotekanauki.pl/articles/355930.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
metallic pipe
composite
hydroforming
pressure
residual stress
Opis:
In this article, it aims to propose effective approaches for hydro-forming process of bi-metallic composite pipe by assuming plane strain and elastic-perfectly plastic material model. It derives expressions for predicting hydro-forming pressure and residual stress of the forming process of bi-metallic composite pipe. Test data from available experiments is employed to check the model and formulas. It shows the reliability of the proposed model and formulas impersonally.
Źródło:
Archives of Metallurgy and Materials; 2017, 62, 2A; 879-883
1733-3490
Pojawia się w:
Archives of Metallurgy and Materials
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
Tytuł:
Social Responsibility, Internal Governance and Manufacturing Growth
Odpowiedzialność społeczna, zarządzanie wewnętrzne a wzrost produkcji
Autorzy:
Cao, Y.
You, J.
Shi, Y.
Hu, W.
Powiązania:
https://bibliotekanauki.pl/articles/371042.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Komitet Człowiek i Środowisko PAN
Tematy:
social responsibility
internal governance
manufacturing growth
structural equation model
odpowiedzialność społeczna
zarządzanie wewnętrzne
wzrost produkcji
model równania strukturalnego
Opis:
This article presents a structural equation model for exploring the impact of social responsibility, which been divided into responsibility for the internal stakeholder and responsibility for the external stakeholder, as well as internal governance on Chinese manufacturing growth on the basis of data collected from 500 manufacturing enterprises in the East region of China. Our results show that both social responsibility and internal governance have a positive impact on manufacturing growth and promote sustainable development in manufacturing. In addition, social responsibility has a positive impact on internal governance, and the internal governance plays a partial intermediary role in the impact of social responsibility on manufacturing growth. These findings signify that it is important for Chinese Manufacturing to undertake Social Responsibility, and it can provide a beneficial guidance for Chinese Manufacturing Growth and help strengthen the competitive advantage of manufacturing industry.
Artykuł przedstawia model równania strukturalnego odnoszący się do społecznej odpowiedzialności, wyróżniając w jej ramach odpowiedzialność za wewnętrznego oraz zewnętrznego akcjonariusza i wewnętrzne zarządzanie w kontekście wzrostu produkcji w Chinach, w oparciu o informacje uzyskane z 500 firm pochodzących ze wschodniej części kraju. Przeprowadzona analiza pokazuje, że zarówno społeczna odpowiedzialność, jak i wewnętrzne zarządzanie, mają pozytywny wpływ na wzrost produkcji i promocję zrównoważonego wytwarzania. Ponadto społeczna odpowiedzialność ma pozytywny wpływ na wewnętrzne zarządzanie, a w oddziaływaniu społecznej odpowiedzialności na wzrost produkcji, wewnętrzne zarządzane odgrywa po części rolę pośrednika. Uzyskane rezultaty wskazują, że społeczna odpowiedzialność jest ważna, może pełnić rolę dobrego doradcy w kontekście wzrostu chińskiej produkcji i pomóc w zwiększeniu konkurencyjnej przewagi dla przemysłu wytwórczego.
Źródło:
Problemy Ekorozwoju; 2017, 12, 1; 41-54
1895-6912
Pojawia się w:
Problemy Ekorozwoju
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Theoretical Predictions of Lattice Parameters and Mechanical Properties of Pentaerythritol Tetranitrate under the Temperature and Pressure by Molecular Dynamics Simulations
Autorzy:
Tan, J.J.
Hu, C.
Li, Y.
Ge, N.
Chen, T.
Ji, G.
Powiązania:
https://bibliotekanauki.pl/articles/1033453.pdf
Data publikacji:
2017-02
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
molecular dynamics
lattice parameter
equation of state
elasticity
mechanical properties
Opis:
Molecular dynamics simulations with condensed-phase optimized molecular potentials for atomistic simulation studies force field are performed to investigate the structure, equation of state, and mechanical properties of high energetic material pentaerythritol tetranitrate. The equilibrium structural parameters, pressure-volume relationship and elastic constants at ambient conditions agree excellently with experiments. In addition, fitting the pressure-volume data to the Birch-Murnaghan or Murnaghan equation of state, the bulk modulus B₀ and its first pressure derivative B'₀ are obtained. Moreover, the elastic constants are calculated in the pressure range of 0-10 GPa at room temperature and in the temperature range of 200-400 K at the standard pressure, respectively. By the Voigt-Reuss-Hill approximation, the mechanical properties such as bulk modulus B, shear modulus G, and the Young modulus E are also obtained successfully. The predicted physical properties under temperature and pressure can provide powerful guidelines for the engineering application and further experimental investigations.
Źródło:
Acta Physica Polonica A; 2017, 131, 2; 318-323
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Water-exit process modeling and added-mass calculation of the submarine-launched missile
Autorzy:
Yang, J.
Feng, J.
Li, Y.
Liu, A.
Hu, J.
Ma, Z.
Powiązania:
https://bibliotekanauki.pl/articles/260251.pdf
Data publikacji:
2017
Wydawca:
Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
Tematy:
submarine-launched missile
fluid-structure interaction
water-exit dynamic model
time-varying added-mass
numerical simulation
Opis:
In the process that the submarine-launched missile exits the water, there is the complex fluid solid coupling phenomenon. Therefore, it is difficult to establish the accurate water-exit dynamic model. In the paper, according to the characteristics of the water-exit motion, based on the traditional method of added mass, considering the added mass changing rate, the water-exit dynamic model is established. And with help of the CFX fluid simulation software, a new calculation method of the added mass that is suit for submarine-launched missile is proposed, which can effectively solve the problem of fluid solid coupling in modeling process. Then by the new calculation method, the change law of the added mass in water-exit process of the missile is obtained. In simulated analysis, for the water-exit process of the missile, by comparing the results of the numerical simulation and the calculation of theoretical model, the effectiveness of the new added mass calculation method and the accuracy of the water-exit dynamic model that considers the added mass changing rate are verified.
Źródło:
Polish Maritime Research; 2017, S 3; 152-164
1233-2585
Pojawia się w:
Polish Maritime Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 33

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