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Wyświetlanie 1-15 z 25
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:
Generation and characterization of a monoclonal antibody against duck Tembusu virus envelope protein
Autorzy:
Han, K.
Zhao, D.
Liu, Y.
Liu, Q.
Huang, X.
Yang, J.
Bi, K.
Xu, T.
Li, Y.
Powiązania:
https://bibliotekanauki.pl/articles/31495.pdf
Data publikacji:
2016
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Opis:
Duck Tembusu virus (DTMUV) is a newly emerging pathogenic flavivirus that has caused massive economic losses to the duck industry in China. Envelope (E) protein of DTMUV is an important structural protein, which is able to induce protective immune response in target animals and can be used as specific serological diagnosis tool. In this study, a novel monoclonal antibody, designated mAb 3E9, was generated against DTMUV E protein. It is positive in indirect ELISA against both His-E protein and the purified whole viral antigen. Also, this mAb showed positive reaction with DTMUV in Western blot and indirect immunofluorescence assay, and the isotype was IgG1. End-point neutralizing assay performed in BHK-21 cells revealed that the neutralization titer of 3E9 against DTMUV JS804 strain reached 1:50. Furthermore, functional studies revealed that 3E9 blocks infection of DTMUV at a step on viral attachment. The anti-E mAbs produced in the present work may be valuable in developing an antigen-capture ELISA test for antigen detection or a competitive ELISA test for antibody detection or therapeutic medicine for DTMUV in poultry.
Źródło:
Polish Journal of Veterinary Sciences; 2016, 19, 4
1505-1773
Pojawia się w:
Polish Journal of Veterinary Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Oil-assisted flotation of fine hematite using sodium oleate or hydroxamic acids as a collector
Autorzy:
Li, H.
Liu, M.
Liu, Q.
Powiązania:
https://bibliotekanauki.pl/articles/109749.pdf
Data publikacji:
2018
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
hematite
sodium oleate
kerosene
Batch Flotation
Octyl hydroxamic acid
Oleoyl hydroxamic acid
Opis:
Micro-flotation and batch flotation tests were carried out on fine (-20 µm) hematite to investigate the influences of non-polar oil when sodium oleate, octyl hydroxamic acid, or oleoyl hydroxamic acid was used as a collector. Both micro-flotation and batch flotation tests were performed using single hematite mineral and/or artificial mixed minerals (hematite:quartz = 1:1), and kerosene was utilized as the neutral oil. The experimental results showed that the addition of a kerosene emulsion benefited hematite recovery in the micro-flotation tests where a froth layer did not exist. In the batch flotation where a froth layer existed, kerosene behaved differently when used in conjunction with the three collectors. Kerosene helped improve the batch flotation when sodium oleate or oleoyl hydroxamic acid was used as a collector. However, it reduced concentrate weight yield, grade and recovery to a noticeable extent when octyl hydroxamic acid was used as a collector, especially at low dosages. In addition, single hematite batch flotation kinetics tests coupled with water recovery measurement were carried out to study the role of kerosene at different collector dosages. It was observed that water drainage and the resulting froth destabilization by kerosene was dominant at low collector dosages, especially in the flotation using octyl hydroxamic acid. At higher collector dosages, the water drainage and froth destabilization effect by kerosene was possibly counter-balanced by the higher hematite surface hydrophobicity and bubble surface tension gradient, which led to more stable froth layer.
Źródło:
Physicochemical Problems of Mineral Processing; 2018, 54, 4; 1130-1145
1643-1049
2084-4735
Pojawia się w:
Physicochemical Problems of Mineral Processing
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Pressure-Interatomic Separation-Temperature Relationship of Alkali Halides
Autorzy:
Liu, Q.
Powiązania:
https://bibliotekanauki.pl/articles/1505082.pdf
Data publikacji:
2011-06
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
64.30.-t
65.40.De
Opis:
A new method for the determination of pressure-interatomic separation-temperature relationship is investigated and applied for some alkali halides. The method is developed by using the Mie-Gruneisen equation of state and the Anderson thermal pressure and an ionic model based on Harrison's treatment of overlap repulsive potential which takes into account the interactions up to second neighbors. It is found that the new method yields satisfactory results in agreement with the available experimental data.
Źródło:
Acta Physica Polonica A; 2011, 119, 6; 829-834
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Identification of a linear epitope in the capsid protein of goose astrovirus with monoclonal antibody
Autorzy:
Dai, G.
Huang, X.
Liu, Q.
Li, Y.
Zhang, L.
Han, K.
Yang, J.
Liu, Y.
Xue, F.
Zhao, D.
Powiązania:
https://bibliotekanauki.pl/articles/16647377.pdf
Data publikacji:
2022
Wydawca:
Polska Akademia Nauk. Czasopisma i Monografie PAN
Tematy:
epitope
goose astrovirus
capsid protein
monoclonal antibody
Opis:
Goose astrovirus (GoAstV) is a novel avastrovirus that typically causes gosling gout and results in 2 to 20% mortality. GoAstV capsid protein is the sole structural protein, which is responsible for viral attachment, assembly, maturation as well as eliciting host antibodies. However, the epitopes within capsid protein have not been well studied. In this study, a monoclonal antibody, named 1D7, was generated against GoAstV capsid protein by hybridoma technology. Western blot results showed that this MAb could react with recombinant capsid protein expressed in E. coli. Also, it recognized the precursor of capsid protein, VP90 and VP70, in GoAstV-infected cells. Besides, excellent specificity of MAb 1D7 was further demonstrated in indirect immunofluorescence assay and immunohistochemical analysis. Epitope mapping results revealed that MAb 1D7 recognized the epitope 33QKVY 36 within Cap protein. Sequence alignment indicated that 33QKVY 36 is a conserved epitope among the isolates of goose astrovirus type 2 (GoAstV-2), suggesting the potential for its use in GoAstV-2 specific diagnostic assay. These findings may provide some insight into a function of the GoAstV capsid protein and further contribute to the development of diagnostic methods for GoAstV infection.
Źródło:
Polish Journal of Veterinary Sciences; 2022, 25, 4; 579-587
1505-1773
Pojawia się w:
Polish Journal of Veterinary Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Elastic Constants for Various Classes of Solids at High Temperature
Autorzy:
Liu, Q.
He, Q.
Powiązania:
https://bibliotekanauki.pl/articles/2047361.pdf
Data publikacji:
2007-07
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
62.20.Dc
91.60.Ki
Opis:
In the present communication, a new relationship for the temperature dependences of elastic constants are developed using a new expression for the temperature dependence of bulk modulus and the formulation derived from Tallon's model. The proposed relationship is applied to study elastic constants of NaCl, KCl, CaF$\text{}_{2}$, MgO, CaO, and Mg$\text{}_{2}$SiO$\text{}_{4}$. The result obtained for second-order elastic constants are found to compare well with the experimental data.
Źródło:
Acta Physica Polonica A; 2007, 112, 1; 69-76
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Lignite cleaning in NaCl solutions by the reverse flotation technique
Autorzy:
Zhang, H.
Liu, Q.
Powiązania:
https://bibliotekanauki.pl/articles/110516.pdf
Data publikacji:
2015
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
lignite
reverse flotation
NaCl
kinetics
coal preparation
Opis:
A cleaning possibility of low (BD) and high ash content (IM) lignites in NaCl solutions using a reverse flotation technique was studied. Preliminary test results indicated that BD lignite cannot be cleaned effectively in the traditional manner because gangue was floated first rather than a combustible material. Further studies indicated that the lignite cleaning in NaCl solutions using the reverse flotation technique is possible. However, a large quantity of dodecyl amine hydrochloride (DAH) was required. A lower ash content in a concentrate can be obtained by addition of NaCl. A concentrate yield can be im-proved by addition of starch. Under the test conditions, for BD lignite with the ash content in the feed 15.19%, the ash content in the concentrate 11.44% and the concentrate yield 67.38% were obtained. Similarly, for IM lignite with the ash content in the feed 57.40%, the ash content in the concentrate 32.90% and the concentrate yield 25.08% were obtained. The flotation rate constant k and maximum ash recovery ε∞ significantly increased with the NaCl concentration.
Źródło:
Physicochemical Problems of Mineral Processing; 2015, 51, 2; 695-706
1643-1049
2084-4735
Pojawia się w:
Physicochemical Problems of Mineral Processing
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A Temperature Error Correction Method for a Thermometer Screen
Autorzy:
Yang, J.
Liu, Q.
Powiązania:
https://bibliotekanauki.pl/articles/1032598.pdf
Data publikacji:
2017-10
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
temperature error
surface air temperature
computational fluid dynamics
screen
Opis:
Due to solar radiation exposure, air flowing inside a thermometer screen may produce a measurement error of 0.8°C or higher. To improve the air temperature observation accuracy, a temperature error correction method is proposed. The correction method is based on a computational fluid dynamics method and a genetic algorithm method. The computational fluid dynamics method is implemented to analyze and calculate the temperature errors of a screen under various environmental conditions. Then, a temperature error correction equation is obtained by fitting the computational fluid dynamics results using the genetic algorithm method. To verify the performance of the correction equation the screen and an aspirated temperature measurement platform are characterized in the same environment to conduct the intercomparison. The aspirated temperature measurement platform serves as an air temperature reference. The mean temperature error given by measurements is 0.77°C, and the mean temperature error given by correction equation is 0.79°C. This correction equation allows the temperature error to be reduced by approximately 97.5%.
Źródło:
Acta Physica Polonica A; 2017, 132, 4; 1301-1305
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Pressure Dependence of Interatomic Separation and Thermal Expansivity for Alkali Halides and Periclase (MgO)
Autorzy:
Liu, Q.
Powiązania:
https://bibliotekanauki.pl/articles/1808121.pdf
Data publikacji:
2009-03
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
64.30.-t
65.40.De
91.60.Ki
Opis:
In this paper, a new isothermal equation of state is developed based on an approximation for the volume dependence of the Anderson-Grüneisen parameter $δ_T$ along isotherm. The values of interatomic separation r with the change of pressure for nine alkali halides and periclase were investigated with the help of the new isotherm equation of state. The compression data are used to predict the pressure dependence of the coefficient of volume thermal expansion. The results are compared with the available experimental data and other theoretical results.
Źródło:
Acta Physica Polonica A; 2009, 115, 3; 709-712
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Interferon-γ-mediated gene expression in porcine alveolar macrophage; An in vitro model
Autorzy:
Liu, Q.
Wang, H.-Y.
Powiązania:
https://bibliotekanauki.pl/articles/2087220.pdf
Data publikacji:
2021
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
pig
alveolar macrophage
IFN-γ
transcriptomic analysis
Źródło:
Polish Journal of Veterinary Sciences; 2021, 24, 1; 135-143
1505-1773
Pojawia się w:
Polish Journal of Veterinary Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A continuous-time distributed algorithm for solving a class of decomposable nonconvex quadratic programming
Autorzy:
Zhao, Y.
Liu, Q.
Powiązania:
https://bibliotekanauki.pl/articles/91832.pdf
Data publikacji:
2018
Wydawca:
Społeczna Akademia Nauk w Łodzi. Polskie Towarzystwo Sieci Neuronowych
Tematy:
decomposable nonconvex quadratic programming
multi-agent network
consensus
Lyapunov method
Opis:
In this paper, a continuous-time distributed algorithm is presented to solve a class of decomposable quadratic programming problems. In the quadratic programming, even if the objective function is nonconvex, the algorithm can still perform well under an extra condition combining with the objective, constraint and coupling matrices. Inspired by recent advances in distributed optimization, the proposed continuous-time algorithm described by multi-agent network with consensus is designed and analyzed. In the network, each agent only accesses the local information of its own and from its neighbors, then all the agents in a connected network cooperatively find the optimal solution with consensus.
Źródło:
Journal of Artificial Intelligence and Soft Computing Research; 2018, 8, 4; 283-291
2083-2567
2449-6499
Pojawia się w:
Journal of Artificial Intelligence and Soft Computing Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Comparative analysis of CpG islands in two genotypes of African swine fever virus
Autorzy:
Yu, Y.-Y.
X, M.-S.
Liu, Q.
Powiązania:
https://bibliotekanauki.pl/articles/16539329.pdf
Data publikacji:
2022
Wydawca:
Polska Akademia Nauk. Czasopisma i Monografie PAN
Tematy:
African Swine Fever Virus (ASFV)
genotype
DNA methylation
CpG island
Opis:
African swine fever (ASF) is an acute, hemorrhagic, and devastating viral infectious disease that causes important economic losses to the swine industry. Currently, there are no effective vaccines or drugs available. Epigenetic mechanisms, especially cytosine methylation of cytosine-phosphate-guanine (CpG) islands, have a significant impact on the life cycle of several viruses. Hence, drugs targeting DNA methylation may potentially be used for the treatment of ASF. Here, we selected the inner core, core shell, inner membrane, capsid, and external envelope membrane, to analyze the characteristics of CpG islands in the ASF virus (ASFV) genomes. Furthermore, we analyzed the promoters and CpG islands in the upstream regions of these genes. Results showed that the CpG islands of seven genes were conserved in the genomes of two genotype of ASFV strains, whereas the CpG islands of other genes were relatively conserved (ASFV strains differed mainly in the quantity of CpG islands). The different distribution of CpG islands in the genomes of different ASFV strains may affect their methylation status, which may in turn affect the regulation of viral gene expression, leading to different clinical outcomes. In addition, the predicted promoter regions based on the upstream sequences of most genes overlapped with CpG island positions. Methylation of the binding sites of the promoter regions inhibits the binding of the transcription factors to the promoters, thus inhibiting the activation of the promoters and limiting the synthesis of viral proteins. The results of this study provide a basis for exploring new antiviral therapeutic strategies from an epigenetic perspective.
Źródło:
Polish Journal of Veterinary Sciences; 2022, 25, 3; 455-462
1505-1773
Pojawia się w:
Polish Journal of Veterinary Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
PIV measurement of tube-side in a shell and tube heat exchanger
Autorzy:
Wang, K.
Zhang, Z.
Liu, Q.
Tu, X.
Hyoung-Bum, K.
Powiązania:
https://bibliotekanauki.pl/articles/778192.pdf
Data publikacji:
2018
Wydawca:
Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
Tematy:
shell and tube heat exchanger
tube-side
PIV
unsteady flow
Opis:
In order to improve the performance of the shell and tube heat exchanger, a porous baffle and a splitter bar are employed in this research. Through the arrangement of the porous baffle in the tube-side inlet and the splitter bar in the tube, the flow distribution of liquid in the heat exchanger is improved. PIV technology is used to investigate the unsteady flow in the tube-side inlet and the outlet of different models. The porous baffle significantly improves the flow of fluid in the shell and tube heat exchanger, especially by eliminating/minimizing the maldistribution of fluid flow in the tube-side inlet. The performance of the arc baffle is better than that of the straight baffle. The splitter bar has a minimal effect on the flow field of the tube-side inlet, but it effectively improves the flow in the tube bundle and restrains the vortex generation in the tube-side outlet.
Źródło:
Polish Journal of Chemical Technology; 2018, 20, 1; 60-66
1509-8117
1899-4741
Pojawia się w:
Polish Journal of Chemical Technology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Using a vision cognitive algorithm to schedule virtual machines
Autorzy:
Zhao, J.
Mhedheb, Y.
Tao, J.
Jrad, F.
Liu, Q.
Streit, A.
Powiązania:
https://bibliotekanauki.pl/articles/330838.pdf
Data publikacji:
2014
Wydawca:
Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:
cloud computing
vision cognitive algorithm
VM scheduling
simulation
chmura obliczeniowa
algorytm poznawczy
szeregowanie
symulacja
Opis:
Scheduling virtual machines is a major research topic for cloud computing, because it directly influences the performance, the operation cost and the quality of services. A large cloud center is normally equipped with several hundred thousand physical machines. The mission of the scheduler is to select the best one to host a virtual machine. This is an NP-hard global optimization problem with grand challenges for researchers. This work studies the Virtual Machine (VM) scheduling problem on the cloud. Our primary concern with VM scheduling is the energy consumption, because the largest part of a cloud center operation cost goes to the kilowatts used. We designed a scheduling algorithm that allocates an incoming virtual machine instance on the host machine, which results in the lowest energy consumption of the entire system. More specifically, we developed a new algorithm, called vision cognition, to solve the global optimization problem. This algorithm is inspired by the observation of how human eyes see directly the smallest/largest item without comparing them pairwisely. We theoretically proved that the algorithm works correctly and converges fast. Practically, we validated the novel algorithm, together with the scheduling concept, using a simulation approach. The adopted cloud simulator models different cloud infrastructures with various properties and detailed runtime information that can usually not be acquired from real clouds. The experimental results demonstrate the benefit of our approach in terms of reducing the cloud center energy consumption.
Źródło:
International Journal of Applied Mathematics and Computer Science; 2014, 24, 3; 535-550
1641-876X
2083-8492
Pojawia się w:
International Journal of Applied Mathematics and Computer Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 25

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