Autor: Liu, M.X. - Prolib Integro

Skocz do pozycji: 1.

Tytuł:: Hot QCD white paper
Autorzy:: Perepelitsa, D. V.
O'Brien, E.
Zajc, W. A.
Niida, T.
Yee, H. -U.
Wang, F.
Ratti, C.
Shi, Z.
Bock, F.
Schäfer, T.
Narde, A.
Koch, V.
Finger Jr., M.
Putschke, J.
Berdnikov, Y.
Ramasubramanian, N. V.
Bossi, H.
Drees, A.
Salur, S.
Voloshin, S. A.
Ye, Z.
Schenke, B.
Lajoie, J. G.
Morrison, D. P.
Judd, E. G.
Yao, X.
Shen, C.
Hong, B.
Caines, H.
Jacak, B. V.
Praszałowicz, Michał
Kotov, D.
Odyniec, G.
Evdokimov, O.
Timmins, A. R.
Bautista, I.
Jheng, H. R.
Karpenko, I.
Song, H.
Knospe, A. G.
Jahan, J.
Blair, J. T.
Tribedy, P.
Yang, Y.
Luo, X.
Teaney, D.
Videbæk, F.
Durham, J. M.
Boimska, B.
Liu, M. X.
Khachatryan, V.
Dexheimer, V.
Lim, S. H.
Okorokov, V. A.
Schmidt, N. V.
Loizides, C.
Csanád, M.
Osborn, J. D.
Reed, R.
Kharzeev, D. E.
Thomas, D.
Ruan, L.
Jeon, S.
Majumder, A.
Seger, J.
Gonzalez, V.
Soudi, I.
Chen, Y.
Minafra, N.
Menon, A. S.
Xie, W.
Nagle, J. L.
Kimelman, B.
Dash, A. P.
Schmier, A.
Bielcik, J.
Becattini, F.
Rueda, O. V.
Stephanov, M.
Luzum, M.
Tapia Takaki, D.
Venugopalan, R.
Nouicer, R.
Royon, C.
Steinberg, P.
Hachiya, T.
Dehmelt, K.
Mueller, B.
Dong, X.
Ma, R.
Mehtar-Tani, Y.
Petreczky, P.
Greene, S. V.
Frawley, A. D.
Geurts, F.
Chien, Y. -T.
He, X.
Sumbera, M.
Klein, S. R.
Rosati, M.
Tu, Z.
Heinz, U.
Klay, J. L.
Strickland, M.
Weyhmiller, S.
Stahl Leiton, A. G.
Noronha-Hostler, J.
Krintiras, G. K.
Rinn, T.
Read, K. F.
Tang, A. H.
Mak, S.
Novitzky, N.
Gale, C.
Ivanishchev, D.
Ehlers, R. J.
Likmeta, I.
Mignerey, A. C.
Arslandok, M.
Noronha, J.
Sakaguchi, T.
Frantz, J.
Grau, N.
Singh, M.
Smith, K. L.
Sarsour, M.
Bellwied, R.
Seto, R
Smirnov, N.
Park, S.
Vovchenko, V.
Humanic, T. J.
Liao, J.
Elfner, H.
Sickles, A. M.
Singh, B. K.
Bass, S. A.
Beattie, C.
Kim, M.
Kuo, C. M.
Grossberndt, S. K.
Baty, A. A.
Wang, X. -N.
Kapusta, J. I.
Berdnikov, A.
Nattrass, C. E.
Vujanovic, G.
Shulga, E.
Velkovska, J.
Chiu, M.
Finger, M.
Sunar Cerci, D.
Connors, M. E.
Rebello Teles, P.
Jia, J.
Wang, X.
David, G.
Paquet, J. -F.
Rapp, R.
Tuo, S.
Du, L.
Kunnawalkam Elayavalli, R.
Lee, Y. -J.
Longo, R.
Xu, N.
Markert, C.
Pruneau, C.
Parotto, P.
Pinkenburg, C.
Sheibani, Oveis
Tachibana, Y.
da Silva, C. L.
Li, W.
Roland, G.
Opis:: Hot QCD physics studies the nuclear strong force under extreme temperature and densities. Experimentally these conditions are achieved via high-energy collisions of heavy ions at the Relativistic Heavy Ion Collider (RHIC) and the Large Hadron Collider (LHC). In the past decade, a unique and substantial suite of data was collected at RHIC and the LHC, probing hydrodynamics at the nucleon scale, the temperature dependence of the transport properties of quark-gluon plasma, the phase diagram of nuclear matter, the interaction of quarks and gluons at different scales and much more. This document, as part of the 2023 nuclear science long range planning process, was written to review the progress in hot QCD since the 2015 Long Range Plan for Nuclear Science, as well as highlight the realization of previous recommendations, and present opportunities for the next decade, building on the accomplishments and investments made in theoretical developments and the construction of new detectors. Furthermore, this document provides additional context to support the recommendations voted on at the Joint Hot and Cold QCD Town Hall Meeting, which are reported in a separate document.
Dostawca treści:: Repozytorium Uniwersytetu Jagiellońskiego

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Skocz do pozycji: 2.

Tytuł:: Numerical investigation of the inner flow in a centrifugal pump at the shut-off condition
Autorzy:: Liu, H.
Wu, X
Tan, M.
Tematy:: centrifugal pump
numerical simulation
shut-off condition
PIV; Pokaż więcej
Wydawca:: Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej
Powiązania:: https://bibliotekanauki.pl/articles/281524.pdf Link otwiera się w nowym oknie
Opis:: The unsteady flow fields in a centrifugal pump at the shut-off condition (SOC) are simulated by the Unsteady Reynolds Averaged Navier-Stokes (URANS) approach. To improve simulation accuracy and assign the boundary condition, special 3D models are made. Three-dimensional URANS equations are solved on high-quality unstructured grids with the shear stress transport turbulence model by using the computational fluid dynamics (CFD) code CFX-11.0. Furthermore, the numerical simulation results are validated by particle image velocimetry (PIV) measurements. The main goal of the study is, on one hand, the validation of the numerical procedure proposed, and on the other hand, the detailed analysis of the unsteady inner flow field distribution and pressure fluctuation in the centrifugal pump at SOC. In addition, the head of the pump at SOC is predicted based on CFD results. The flow analysis indicates that there exists two eddies in each impeller flow passage, and the velocity at the volute diffusion part is very low. The amplitudes of pressure fluctuation at ƒr (impeller rotation frequency) and 3ƒr dominate in the impeller, while the pressure fluctuation at ƒb (blade passing frequency) is dominant in the volute.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: High Heat Flux Testing of Doped and Coated Graphite Using High-Intensity Pulsed Ion Beam
Autorzy:: Zhu, X.
Liu, C.
Lei, M.
Tematy:: 28.52.Fa
52.59.Mv
81.05.Uw; Pokaż więcej
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Powiązania:: https://bibliotekanauki.pl/articles/1807981.pdf Link otwiera się w nowym oknie
Opis:: A high-intensity pulsed ion beam (HIPIB) technique is applied to heat flux testing of plasma facing materials for fusion experiment. The HIPIB is generated at a relatively stable power density up to $10^{8}$ W/$cm^{2}$, which covers a heat flux parameter of up to several hundreds MW $m^{-2} s^{1//2}$. Surface morphology and weight loss are examined for doped and coated graphite with HIPIB exposure of 280 MW $m^{-2} s^{1//2}$, being of the same order of thermal loads during off-normal events in future fusion reactors. The work demonstrates a first example utilizing the HIPIB technique to study thermal response of plasma facing materials under fusion relevant thermal loads.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Image fusion for travel time tomography inversion
Autorzy:: Yin, X.
Liu, L.
Zhao, X.
Ashraf, M. A.
Tematy:: tomography
inversion algorithm
wavelet transform
image fusion; Pokaż więcej
Wydawca:: Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
Powiązania:: https://bibliotekanauki.pl/articles/259784.pdf Link otwiera się w nowym oknie
Opis:: The travel time tomography technology had achieved wide application, the hinge of tomography was inversion algorithm, the ray path tracing technology had a great impact on the inversion results. In order to improve the SNR of inversion image, comprehensive utilization of inversion results with different ray tracing can be used. We presented an imaging fusion method based on improved Wilkinson iteration method. Firstly, the shortest path method and the linear travel time interpolation were used for forward calculation; then combined the improved Wilkinson iteration method with super relaxation precondition method to reduce the condition number of matrix and accelerate iterative speed, the precise integration method was used to solve the inverse matrix more precisely in tomography inversion process; finally, use wavelet transform for image fusion, obtain the final image. Therefore, the ill- conditioned linear equations were changed into iterative normal system through two times of treatment and using images with different forward algorithms for image fusion, it reduced the influence effect of measurement error on imaging. Simulation results showed that, this method can eliminate the artifacts in images effectively, it had extensive practical significance.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 5.

Tytuł:: Characteristic studies of micron zinc particle hydrolysis in a fixed bed reactor
Autorzy:: Lv, M.
Liu, H.
Nie, X.
Ashraf, M. A.
Tematy:: hydrogen
zinc hydrolysis
thermal chemistry
fixed bed; Pokaż więcej
Wydawca:: Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
Powiązania:: https://bibliotekanauki.pl/articles/260562.pdf Link otwiera się w nowym oknie
Opis:: Zinc fuel is considered as a kind of promising energy sources for marine propeller. As one of the key steps for zinc marine energy power system, zinc hydrolysis process had been studied experimentally in a fixed bed reactor. In this study, we focus on the characteristics of micron zinc particle hydrolysis. The experimental results suggested that the steam inner diffusion is the controlling step of accumulative zinc particles hydrolysis reaction at a relative lower temperature and a relative higher water partial pressure. In other conditions, the chemical reaction kinetics was the controlling step. And two kinds of chemical reaction kinetics appeared in experiments: the surface reaction and the gas-gas reaction. The latter one occurs usually for larger zinc particles and high reaction temperature. Temperature seems to be one of the most important parameters for the dividing of different reaction mechanisms. Several parameters of the hydrolysis process including heating rate, water partial pressure, the particle size and temperature were also studied in this paper. Results show that the initial reaction temperature of zinc hydrolysis in fixed bed is about 410 oC. And the initial reaction temperature increases as the heating rate increases and as the water partial pressure decreases. The total hydrogen yield increases as the heating rate decreases, as the water partial pressure increases, as the zinc particle size decreases, and as the reaction temperature increases. A hydrogen yield of more than 81.5% was obtained in the fixed bed experiments.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 6.

Tytuł:: Analysis of root system architecture affected by swarming behavior
Autorzy:: Li, S.
Yu, W.
Liu, X.
Wang, M.
Tematy:: root system architecture
soil nutrient
interaction
root system
root growth
dynamic growth
swarming
behaviour; Pokaż więcej
Wydawca:: Instytut Ogrodnictwa
Powiązania:: https://bibliotekanauki.pl/articles/1078927.pdf Link otwiera się w nowym oknie
Opis:: The root system architecture (RSA) displays complex morphological characteristics because of diverse root growth behaviors. Recent studies have revealed that swarming behavior among roots is particularly important for RSA to adapt to environmental stimuli. However, few models are proposed to simulate RSA based on swarming behavior of roots. To analyze plasticity of RSA affected by swarming behavior, we propose viewing it as a swarm of single roots. A swarming behavior model is proposed by considering repulsion, alignment, and preference of individual single roots. Then, the swarming behavior model is integrated into a simple and generic RSA model (called ArchiSimple). Lastly, characteristics of RSA affected by swarming behavior model and non-swarming behavior model are compared and analyzed under three different virtual soil sets. The characteristics of RSA (such as primary root length, lateral root length, lateral roots, and resource uptake) are significantly promoted by swarming behavior. Root system distributions can also be greatly affected by swarming behavior. These results show that root foraging and exploration in soil can be regarded as collective behavior of individual single root.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 7.

Tytuł:: Study of the force and deformation characteristics of subsea mudmat-pile hybrid foundations
Autorzy:: Kong, D.
Deng, M.
Liu, Y.
Tan, X.
Tematy:: subsea mudmat-pile hybrid foundations
force characteristics
deformation characteristics
combined loads; Pokaż więcej
Wydawca:: Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
Powiązania:: https://bibliotekanauki.pl/articles/258965.pdf Link otwiera się w nowym oknie
Opis:: To study the force and deformation characteristics of subsea mudmat-pile hybrid foundations under different combined loads, a project at a water depth of 200 m in the South China Sea was studied. A numerical model of a subsea mudmatpile hybrid foundation is developed using the numerical simulation software FLAC3D. The settlement of the seabed soil, the bending moments of the mudmat, and the displacements and bending moments along the pile shaft under different load combinations, including vertical load and horizontal load, vertical load and bending moment, and horizontal load and bending moment load, are analyzed. The results indicate that settlement of the seabed soil is reduced by the presence of piles. The settlement of the mudmat is reduced by the presence of piles. Different degrees of inclination occur along the pile shaft. The angle of inclination of pile No. 1 is greater than that of pile No. 2. The dip directions of piles No. 1 and No. 2 are identical under the vertical load and bending moment and are opposite to those under the other combined loads. The piles that are located at the junctions between the mudmat and the tops of the piles are easily destroyed.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 8.

Tytuł:: Mechanism and Kinetics Studies on Non-Isothermal Decomposition of Ludwigite in Inert Atmosphere
Autorzy:: Fu, X.
Chu, M.
Gao, L.
Liu, Z.
Tematy:: ludwigite
non-isothermal decomposition
kinetics
activation energy
model function; Pokaż więcej
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Powiązania:: https://bibliotekanauki.pl/articles/352128.pdf Link otwiera się w nowym oknie
Opis:: Ludwigite is the main available boron-bearing resource in China. In order to enrich the theory system and optimize its utilization processes, this paper study the mechanism and kinetics on non-isothermal decomposition of ludwigite in inert atmosphere by means of thermal analysis. Results show that, the decomposition of serpentine and szajbelyite is the main cause of mass loss in the process. At the end of decomposition, hortonolite and ludwigite are the two main phases in the sample. The average E value of structural water decomposition is 277.97 kJ/mol based on FWO method (277.17 kJ/mol based on KAS method). The results is proved to be accurate and reliable. The mechanism model function of structural water decomposition is confirmed by Satava method and Popescu method. The form of the most probable model function is G(α) = (1 – α)^–1– 1 (integral form) and f (α) = (1 – α)² (differential form), and its mechanism is chemical reaction. This is verified by the criterion based on activation energy of model-free kinetics analysis.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 9.

Tytuł:: PER Estimation of AIS in Inland Rivers based on Three Dimensional Ray Tracking
Autorzy:: Ma, F.
Chu, X. M.
Liu, C. G.
Tematy:: Ray Tracking
Three Dimensional Ray Tracking
Automatic Identification System (AIS)
Package Error Rate (PER)
Chinese Navigable Waterways
Inland Shipping
PER Estimation
Ray Tracking Model; Pokaż więcej
Wydawca:: Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
Powiązania:: https://bibliotekanauki.pl/articles/117153.pdf Link otwiera się w nowym oknie
Opis:: The Automatic Identification System (AIS) is an important maritime safety device, which is populous in inland rivers. Compared with that in open sea, the Package Error Rate (PER) of AIS in inland river has increased sharply due to its complex environment. With the help of hardware in loop simulation, it is possible to make statistical calculation on the PER under a given field strength and describe the data by quadratic rational fraction. Meanwhile, in the three dimensional software environments, the signal field strength is able to be calculated by the ray tracking method, which exhausts all the possible propagation paths, including direct way, reflection, diffractions, and the other medium attenuation matters. Beyond that, in the model, the propagation geography information in inland rivers is required to be simplified in some way, or the computation of the ray tracking is too hard to get. The paper set the Changjiang Wuhan channel as the field testing region, and all the deviations are less than 5% in sunny weather, which proves the method accurate and effective.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 10.

Tytuł:: Comparative analysis of CpG islands in two genotypes of African swine fever virus
Autorzy:: Yu, Y.-Y.
X, M.-S.
Liu, Q.
Tematy:: African Swine Fever Virus (ASFV)
genotype
DNA methylation
CpG island; Pokaż więcej
Wydawca:: Polska Akademia Nauk. Czasopisma i Monografie PAN
Powiązania:: https://bibliotekanauki.pl/articles/16539329.pdf Link otwiera się w nowym oknie
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.
Dostawca treści:: Biblioteka Nauki

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