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11.799  Articles
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This experimental work focused on the thermal activation of natural pozzolan (NP) from the town of Beni-Saf, in order to improveits reactivity. The present study consists of using natural pozzolan as partial replacement of ordinary Portland cement, with 1... see more

This experimental work focused on the thermal activation of natural pozzolan (NP) from the town of Beni-Saf, in order to improveits reactivity. The present study consists of using natural pozzolan as partial replacement of ordinary Portland cement, with 1... see more

The shelf life of a composite solid propellant is one of the critical aspects for the usage of solid propellants. To assess the ageing behavior of the composite solid propellant, the activation energy is a key parameter. The activation energy is determine... see more

When studying the temperature dependences of the acoustic absorption and the modulus of elasticity, absorption peaks are often observed, which correspond to the characteristic step on the temperature dependence of the modulus of elasticity. Such features ... see more

Phenolic beads (PBs) prepared from different formaldehyde to phenol (F/P) molar ratios were used as polymeric precursor for activated carbon. Activated carbon spheres (ACSs) have been produced from PBs via the physical activation process using carbon diox... see more

This article presents the results of the mechanochemical activation of coal in a shock-grinding-type mill and the ?-radiation effect of a stream of electrons at the LU-6 electron accelerator. It was established that during the hydrogenation of dispersed c... see more

Based on the theoretical studies, complete picture of a mechanical processing of sulfur in the disintegrator is given. Kinematic and dynamic characteristics of elastic and inelastic collisions of particles of processed rhombic sulfur with rows of disinteg... see more

PVA-alginate hydrogel is a promising material for use in biomedical applications due to its desirable characteristics: biocompatible, durable, non-toxic, and low cost. However, the low gel strength of this composite limits its use in biomedical applicatio... see more

The object of research is environmental and resource-saving technologies in underground mining of mineral deposits with the laying of the developed space. One of the most problematic places is the delivery of hardening filling mixtures to the place of the... see more

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