Lamellar single crystals of poly (L-lactic acid) (PLLA) were prepared from its dilute xylene solutions under 500 MPa by an isothermal crystallization method.Their morphology and structural features were characterized by transmission electron microscopy, raman and infrared spectra.The results show th...

The line-image VISAR was applied in a detonation experiment, in which a flyer with Zigzag trenches was driven by a divergent detonation wave.The free surface velocity of a 12 mm-long line on the flyer was obtained, and the velocity distribution on the free surface was also recorded at 1, 3, 5 μs aft...

Experimental and numerical simulation researches were presented on dynamical behaviors of cylindrical shell structure affected by lateral explosion loading.Impact experiments of explosion loading caused by cylindrical TNT charge on the Q235 steel cylindrical shells with different wall-thicknesses we...

This paper describes the formulation of the complete equation of state (EOS) for several materials, based on two universal EOS, proposed by Vinet et al, as well as Parsafar & Mason.And we discussed the formulation of the EOS from the thermal mechanics state expressed by thermal-pressure coeffici...

This paper introduces an IMEX (implicit-explicit) Additive Runge-Kutta method, which was applied to resolve the stiff source term into the stiff part and non-stiff part, and the stiff part was solved implicitly while the non-stiff part was handled explicitly.The numerical calculation of the gas-phas...

The pressure-induced structure transformation and lattice parameters of lanthanide mononitrides were investigated using first-principles calculations based on density function theory.The effect of the 4f electrons spin polarization on the pressure-induced phase transition for lanthanide mononitrides...

In order to study the penetration ability of the ceramic composite target, a damage factor is proposed to characterize the radial damage of the material in the cracked zone in the cavity expansion theory (CET).Based on the CET of ceramic with damage factor and the CET of metal, the composite target ...

Aluminum fiber explosive containing explosive and aluminum fiber which is made from pure aluminum is a novel non-ideal explosive.Pressure-time curves of aluminium fiber explosive at different positions were measured by underwater explosion experiments.The peak pressure, impulse, shock wave energy an...

Ballistic experiments and numerical simulation were adopted to analyze the anti-penetration performance of double hardness explosively welded steel/aluminum plates penetrated vertically by a spherical projectile.A 14.5 mm diameter smoothbore gun was used to launch the spherical steel projectile with...

By using plate impact and laser interferometer techniques, the refractive index of shocked LiF single crystal and its window correction at 1 550 nm wavelength were studied.The shock pressure in the LiF sample ranges from 38 to 124 GPa.The present results extend the refractive indexes of LiF single c...

According to the logistic regression model based on statistical analysis, the experiments on the minimum ignition energy of different concentrations of nicotinic acid dust-air mixtures have been conducted in the Mike 3 tube by the calculation method of the minimum ignition energy of dust cloud which...

In order to obtain the size-control method of nanostructured ceria during the process of detonation synthesis, the nanostructured ceria powder was synthesized by detonation method with emulsion explosives, and the effects on the detonation velocity of emulsion explosive and the diameter of nanostruc...

Using split Hopkinson compression-shear bar, the friction coefficients between GO-924 explosive and three materials including aluminum alloy, rubber, and GO-924 explosive itself were investigated under different shock loading conditions.The results show that the rules of the 3 friction coefficient c...

High-current pulsed electron beam (HCPEB) with different pulses was utilized to irradiate AISI 304L stainless steel.The surface microstructures of the irradiated samples were characterized in detail.In particular, the corrosion behaviors of the stainless steel surface with and without HCPEB treatmen...

The heats of formation (HOFs) of a series of nitrocellulose (NC) were calculated by using density functional theory (DFT) and designed isodesmic reaction at B3LYP/6-311G^** and B3P86/6-311G^** levels.The results show that the difference between the values of HOFs of a series of NC calculated by these ...

In order to acquire the influence of warhead shell materials on fragments forming, 4 kinds of material, such as 82 steel, 50SiMnVB steel, 40CrMnSiB steel, 30CrMnSiNi2A steel, were studied to form fragments, using fragment warhead design software.The change laws of fragments scattering angle, initial...

In order to investigate the the influence of modified soluble soybean polysaccharides (MSSPS) on physicochemical properties of rice starch (RS), soluble soybean polysaccharides (SSPS) were modified by dynamic high pressure microfluidization at 80, 120 and 170 MPa, respectively.Different mass fractio...

Liposomes have proven to be promising carriers for their special structure and characterization, and can be widely used in pharmacy and cosmetics.Supercritical reverse phase evaporation (SRPE) is a new technique for preparing liposomes with supercritical fluid instead of organic solvent.The process ...

Effects of high hydrostatic pressure (550 MPa/5 min/ambient temperature), thermal process (90 ℃/1 min) and high temperature with short time (110 ℃/8.6 s) treatment on the quality of cloudy and clear strawberry juice were investigated.The viscosity, pectin, cloud and cloudy stability of cloudy juice ...