This study evaluated aqueous digital inks formulated with nonionic ethoxylated surfactants derived from palm kernel oil (PKO) and Jatropha oil. The surfactants, previously optimised by fatty-alcohol ethoxylation, had hydrophilic-lipophilic balance values of 11.0 and 10.8, respect...
Open access
Research Article10.9734/jmsrr/2026/v9i4527
Fibre reinforcement and microbial mineralisation address different but potentially complementary weaknesses of cementitious materials: fibres limit crack opening and sustain post-cracking load transfer, whereas microbial systems can precipitate mineral phases that obstruct transp...
Open access
Research Article10.9734/jmsrr/2026/v9i4526
Powder bed fusion (PBF) additive manufacturing has emerged as a transformative near-net-shape fabrication technology for advanced metallic components across aerospace, biomedical, energy, and automotive sectors. This review establishes a processing-defect-microstructure-performan...
Open access
Research Article10.9734/jmsrr/2026/v9i4521
The demand for concrete in the construction industry continues to increase. This study examined the performance of concrete modified with discharged engine oil (DEO) and cocoa pod husk ash (CPHA) as admixtures, focusing on physical, mechanical, and durability properties, includin...
Open access
Research Article10.9734/jmsrr/2026/v9i4519
Hemp (Cannabis sativa L.) is one of the oldest fibre crops used in papermaking, predating wood pulp by centuries, and its renewed legal status under the 2014 and 2018 U.S. Farm Bills has revived interest in it as a sustainable papermaking fibre. This study evaluates Hemp fibre as...
Open access
Research Article10.9734/jmsrr/2026/v9i4520
Dense reinforced-concrete structures can substantially attenuate cellular radio-frequency signals, creating weak-coverage and dead-zone conditions in residential and commercial buildings. This study examines engineering approaches for improving indoor cellular connectivity in con...
Open access
Research Article10.9734/jmsrr/2026/v9i4518
Aims: This study developed powdered bamboo/epoxy composites and evaluated the joint effects of sodium hydroxide (NaOH) concentration, treatment time and bamboo loading on mechanical performance and water absorption. Study Design: A three-factor, three-level Box–Behnken response-s...
Open access
Research Article10.9734/jmsrr/2026/v9i4517
Small experimental datasets remain a major limitation in biomass process modelling, where traditional empirical models may demonstrate excellent goodness-of-fit yet exhibit poor predictive reliability when applied to unseen conditions. This study evaluates the predictive modellin...
Open access
Research Article10.9734/jmsrr/2026/v9i3516
This review examines recent advances in the recovery of precious metals (PMs) from waste streams during the period 2016–2026, with emphasis on recovery methods reported as cost-effective and environmentally friendly. Precious metals, including gold, silver, platinum group metals...
Open access
Research Article10.9734/jmsrr/2026/v9i3515
Enhancing the early strength of cement mortar is essential for modern construction applications. This study investigates the effect of mineral admixtures on the rheological and mechanical properties of cement mortar by varying admixture dosages (0-2.5 wt% by cement weight). Setti...
Open access
Research Article10.9734/jmsrr/2026/v9i3514