The shape memory polymers (SMPs) are intelligent and adaptive materials that can undergo recovery in response to external stimuli. combination of functionality, adjustable properties, renewability has endowed SMPs with burgeoning interest. biobased biodegradable were successfully prepared by incorporating natural Eucommia ulmoides gum (EUG) polycaprolactone (PCL) as the constituents through dynamic vulcanization. fine phase morphology EUG/PCL was achieved complete inversion establishment...

The pion production mechanism is explored based on the ultrarelativistic quantum molecular dynamics model (UrQMD) in which $\mathrm{\ensuremath{\Delta}}$-mass dependence of $\mathcal{M}$ matrix and momentum ${p}_{N\mathrm{\ensuremath{\Delta}}}$ $N\mathrm{\ensuremath{\Delta}}\ensuremath{\rightarrow}NN$ cross sections are taken into account. By analyzing time evolution rate density overlapped region for reaction Au+Au at beam energy $0.4A$ GeV, we find that characteristic observable 1--2 times...

Abstract Three‐dimensional (3D) printing technology is an emerging that can be used to fabricate food products composed of milk protein composite gel with desired structures. In this study, the were printed by extrusion‐based 3D printer variation perimeters (3, 5, and 7), infill patterns (Hilbert curve, honeycomb, rectilinear), levels (10%, 40%, 70%). The textural properties, geometrical accuracy, internal structure evaluated texture analyzer, camera, scanning electron microscope,...

The validity of impact parameter estimation from the multiplicity charged particles at low-intermediate energies is checked within framework ImQMD model. simulations show that cannot estimate heavy ion collisions very well, especially for central beam lower than $\sim$70 MeV/u due to large fluctuations particles. simulation results defined by particle are compared those using b=2 fm and it shows charge distribution $^{112}$Sn +$^{112}$Sn 50 different evidently two cases; chosen isospin...

In this paper, the in-medium $NN\rightarrow N\Delta$ cross section is calculated in framework of one-boson exchange model by including isovector mesons, i.e. $\delta$ and $\rho$ mesons. Due to isospin process, vector self-energies outgoing particles are modified relative incoming asymmetric nuclear matter, it leads effective energies $NN$ pair being different from $N\Delta$ pair. This effect investigated calculation section. With corrected energy conservation, sections $\Delta^{++}$...

The in-medium cross sections and its differential in isospin asymmetric nuclear medium are investigated the framework of one-boson exchange model by including isovector mesons, i.e., mesons. Our results show that suppressed when density increases, become isotropic with an increase around threshold energy. splitting on correction factor, is observed for different channels , especially energy all effective Lagrangian parameters. By analyzing selected parameters, our larger mass is, weaker is.

To improve the constraints of symmetry energy at subsaturation density, measuring and accumulating more neutron skin data for neutron-rich unstable nuclei is naturally required. Aiming to probe by using low-intermediate-energy heavy-ion collisions, we develop a new version an improved quantum molecular dynamics model, in which initial nucleus mean-field potential nucleon propagation are consistently treated. Our calculations show that three observables, such as cross-sections primary...

Be aimed at the characteristics of high temperature-salinity and severe heterogeneity Bohai oilfield. This paper studies three different strength kinds polymer gel profile control agents. Use storage modulus evaluates gel. result indicate that weak is between0.1 Pa 1.0 Pa, moderate between1.0 3.1 maximal value powerful gels is11.9 during 90 days. Core laboratory findings these have well formation sealing quality endure washing out quality,40PV by water erosion , rate up 90%.the experiment...

Abstract The mass dependence of the M matrix and its influence on cross-sections are investigated in one-boson exchange model. Our calculations show that momentum outgoing affects , especially around threshold energy.

In this work, we propose a novel method for calculating the occupation probability in Pauli blocking of quantum molecular dynamics type models. This refines description ratio nuclear matter and that finite nucleus. The influence new on heavy ion collisions observables, such as charge distribution, free neutron to proton yield ratios, extracted physical quantities, in-medium nucleon-nucleon cross sections, are investigated. For our results show it will be enhanced 1.1--2.5 times than with...

Abstract In this study, we systematically analyzed the ground state of uranium isotopes from 225 to 240. our calculations, used covariant energy density functional density-dependent meson exchange interaction (DD-ME2) with separable pairing (TMR). Using multiple deformation constraint, calculated potential surface (PES) for both even-even and even-odd nuclei quadrupole octupole deformation. Based on calculation upon comparing experimental data Hartree-Fock-Bogoliubov calculations Gogny D1S...

Abstract Nuclear level density (NLD) is a critical parameter for understanding nuclear reactions and the structure of atomic nuclei; however, accurate estimation NLD challenging owing to limitations inherent in both experimental measurements theoretical models. This paper presents sophisticated approach using Bayesian neural networks (BNNs) analyze across wide range It uniquely incorporates assessment model uncertainties. The application BNNs demonstrates remarkable success accurately...

Assuming X(3872) is a $qc \bar q c$ tetraquark and using its mass as input, we perform schematic study of the masses possible heavy tetraquarks color-magnetic interaction with flavor symmetry breaking corrections.

High amylose maize starch (HAMS) was extracted using sodium hydroxide (NaOH), bisulfite (Na2SO3), and metabisulfite (Na2S2O5) under 25, 50, 70 °C, respectively. This study identified the optimum HAMS extraction methods with lowest protein lipid content investigated effect of on molecular lamellar structures HAMS. Higher temperature (50 °C) improved purity but reduced averaged chain length (ACL) thickness crystalline layers in structure. Low caused less degradation resulted higher contents...

The hyperfine structure and isotope shifts of Sr isotopes, both even-even odd-even nuclei, are studied in the covariant density functional theory with new parameter set DD-PC1. Pairing correlation is treated using Bogoliubov model a separable form pairing interaction. Spin parity, charge radii, two-neutron separation energies, energies ground states calculated compared experimental data. We find shape transition at $N\ensuremath{\approx}60$ radii spin which consistent each other generally...

Transport models cannot simultaneously explain very recent data on pion multiplicities and charged ratios of Sn+Sn in the reaction at 0.27 A GeV. This stimulates further investigations dispersion relation, in-medium $N\pi\to \Delta$ cross sections $\Delta \to N \pi$ decay widths near threshold energy or subthreshold production isospin asymmetric nuclear matter. In this study, section width are investigated matter by using one-boson-exchange model. With consideration conservation effect,...

The isospin splitting of the in-medium $NN\rightarrow N\Delta$ cross sections in asymmetric nuclear medium are investigated framework one-boson exchange model by including $\delta$ and $\rho$ mesons. Our results show that correction factors $R=\sigma_{ NN\rightarrow N\Delta}^*/\sigma_{NN\rightarrow N\Delta}^{\text{free}}$ have $R_{pp \to n\Delta ^{++}} < R_{nn p\Delta ^{-}}$ $R_{NN N\Delta ^{+}} <R_{NN ^{0}}$ using without-$\delta$ sets. By meson, it appears totally opposite $R$ for...

Within the one boson exchange model, $Δ$-mass dependent M-matrix and its influence on calculation of $NΔ\to NN$ cross sections are investigated. Our calculations show that $m_Δ$ dependence $|\textbf{p}_{NΔ}|$ $|\mathcal{M}|^2$ has effects $σ_{NΔ\to NN}$, especially around threshold energy. We finally provide a table accurate NN}$ which can be used in transport models.