Results 141 to 150 of about 503,498 (378)

The analysis of methodologies for testing compressive strength in masonry mortar joints / Mūro skiedinio gulsčiojoje siūlėje gniuždomojo stiprio tyrimų metodų analizė

open access: yesMokslas: Lietuvos Ateitis, 2014
The article analyzes masonry as composite material and presents the factors that affect the mechanical characteristics of masonry. The article also deals with the most frequently used destructive and non-destructive testing methods for the compressive ...
Tomas Šlivinskas
doaj   +1 more source

Investigating the construction methods of an opus vermiculatum mosaic panel [PDF]

open access: yes, 2010
From the third century BC to the second century AD small detailed central panels (emblemata) made using the opus vermiculatum technique were used as focal points in larger mosaic pavements. They were custom made in stone or terracotta trays to facilitate
Meek, Andrew   +4 more
core  

Emerging Trends of MXene Nanocomposites in Textile Substrates for Enhanced EMI Shielding: A Systematic Review

open access: yesAdvanced Materials Interfaces, EarlyView.
This comprehensive review explores the integration of MXene nanomaterials with textiles for electromagnetic interference shielding applications. The study systematically examines fabrication methodologies, performance metrics, and hybrid composite formulations.
Nazish Saleem Abbas   +4 more
wiley   +1 more source

Microstructural study of Styrene Polyacrylic (SPA) latex modified mortars [PDF]

open access: yes, 2019
In this paper, the influence of the styrene polyacrylic (SPA) latex polymer on the microstructural properties of limestone mortars has been studied. For this purpose, five mortars were developed with different dosages of the SPA latex (0%, 2.5%, 5%, 7.5%
BEDERINA, Madani   +2 more
core  

The Impact of DNA as a Chemical Admixture for Cementitious Materials

open access: yesAdvanced Materials Technologies, EarlyView.
DNA molecules are added to cement pastes and their effects on rheology and hydration time are studied. DNA's chemical structure is composed of polysaccharide and phosphate groups, which are active functional groups in different commercial chemical admixtures: Viscosity modifiers and superplasticizers.
Alexander Mezhov   +4 more
wiley   +1 more source

High Photoluminescence Quantum Yield and Tunable Luminescence Lifetimes in the Sub‐Second Range of CaS:Eu2+ Phosphors for Tracer Based Sorting

open access: yesAdvanced Materials Technologies, EarlyView.
Efficient plastic waste sorting is crucial for circularity. Advanced methods using lanthanide photonic tracers enhance recycling beyond near‐infrared sorting. Europium(II)‐doped phosphors, with high stability and long luminescence decay, improve tracer detection in sorting systems, enabling precise identification of different plastic materials ...
Arzu Cosgun Ergene   +5 more
wiley   +1 more source

Pore size distribution of an alkali activated cementitious (AACM) mortar [PDF]

open access: yes, 2018
This paper reports an investigation on the size and distribution of capillary and gel pores in an alkali activated cementitious (AACM) mortar and comparative OPC mortar. These pore properties were determined from the cumulative and differential pore
Mangat, Pal, Ojedokun, Olalekan
core  

Macroscopic Phase‐Change Drug Carrier Ball with Photothermally Controlled Release and Magnetically Controlled Transport Properties

open access: yesAdvanced Materials Technologies, EarlyView.
Millimeter‐scale macroscopic phase‐change balls with on‐demand drug release triggered by photothermal stimulation and magnetically controllable transport properties are demonstrated. The proposed system can be easily fabricated using omniphobic surfaces and offers several advantages, including high visibility, controllable transport, easy drug loading,
Hyunji Lee   +5 more
wiley   +1 more source

Normal cohesive strength of cement mortar in the masonry [PDF]

open access: yesИнженерно-строительный журнал, 2012
Normal cohesion of stone and mortar and strength to stretch of mortar in masonry joints depend on many factors that are hardly taken into account in evaluating the normal cohesive strength of stone and mortar.
V.N. Derkach
doaj  

Effects of Chemical Admixtures on the Working and Mechanical Properties of Ordinary Dry-Mixed Mortar

open access: yesAdvances in Materials Science and Engineering, 2019
The effects of hydroxypropyl methyl cellulose ether, starch ether, bentonite, and redispersion emulsoid powder on the working and mechanical properties of fresh dry-mixed mortar were studied. The results show that hydroxypropyl methyl cellulose ether has
Shu-Chun Zhou   +3 more
doaj   +1 more source

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