Results 11 to 20 of about 241,213 (292)

Influence of curing on the properties of concretes and mortars in hot climates [PDF]

open access: yes, 1988
This investigation deals with the influence of initial curing periods and different curing environments, similar to those found in Middle Eastern countries, on the pore size distribution, permeability, water absorption and compressive strength of cement
Alamri, Abdulla Mohammed
core   +7 more sources

Development of high performance concrete using combinations of mineral admixtures. [PDF]

open access: yes, 1995
Cement replacement materials are by-products used to produce high performance concrete. Published data on the effects of combinations of mineral admixtures in concrete on the microstructural and performance-related properties under different ...
Darwish, Abdulhanan A.
core   +6 more sources

Effect of the curing conditions of concrete on the behaviour under freeze-thaw cycles [PDF]

open access: yes, 2011
The aim of this work is to relate the curing conditions of concrete and the addition of an air-entraining admixture with the damage caused by freeze–thaw cycles. In countries with a continental climate, the curing of concrete in summer is performed under
Fernández Gómez, Jaime Antonio   +3 more
core   +1 more source

Effect of curing and storage temperature on shelf life of onion (Allium cepa L.) bulbs

open access: yesFundamental and Applied Agriculture, 2020
Simple and low cost farm technologies are required for small-scale farmers in developing countries to improve marketability and reduce postharvest losses of onion (Allium cepa L.) bulbs. Two experiments were conducted to evaluate the effect of curing and
Assinapol Ndereyimana   +2 more
doaj   +1 more source

Effect of Curing Conditions on the Interfacial Bonding Parameters of High-Tenacity Polypropylene (HTPP) Fiber / Cementitious Matrix [PDF]

open access: yesJournal of Rehabilitation in Civil Engineering
Engineered cementitious composites (ECC) provide enhanced ductile behavior thanks to multiple-cracking arising from the synergistic optimization of fiber-matrix interface adhesion behavior.
Burak Felekoğlu
doaj   +1 more source

Effects of Ethylene and 1-Methylcyclopropene on the Quality of Sweet Potato Roots during Storage: A Review

open access: yesHorticulturae, 2023
Sweet potato (Ipomoea batatas (L.) Lam.) is served as an important root crop worldwide due to its high yield, strong adaptability and nutrient richness. Sweet potato has played a significant role in ensuring food security and family income opportunities ...
Jingjing Kou   +6 more
doaj   +1 more source

Inverse heat transfer for optimization and on-line thermal properties estimation in composites curing. [PDF]

open access: yes, 2004
This article presents the development and application of a heat transfer inversion procedure to the cure of thermoset-based composites based on genetic algorithms.
Skordos, Alexandros A.   +1 more
core   +1 more source

Performance of waste foundry sand concrete in sulfate environment

open access: yesMagazine of Civil Engineering, 2023
Waste foundry sand is generated by the metal casting industry and has great potential to be used as a construction material. Nearly 70 % of the waste foundry generated is disposed of as a landfill which poses a threat to the surrounding environment.
Singh Jagdeep, Siddique Rafat
doaj   +1 more source

Prevalence of HBV, HCV, HIV, and syphilis among potential expatriates entering GCC states in different districts of KPK, Pakistan

open access: yesInternational Journal of Applied and Experimental Biology
Viral hepatitis and syphilis have emerged as significant public health concerns on a global scale. The study was conducted retrospectively to assess the prevalence of hepatitis B, hepatitis C, HIV, and syphilis among the potential expatriates entering ...
Urooj Amjad   +4 more
doaj   +1 more source

Coupled visco-mechanical and diffusion void growth modelling during composite curing [PDF]

open access: yes, 2010
Most critical processing step during long fiber reinforced epoxy matrix composite laminate manufacturing is the polymerization stage. If not optimized, it gives birth to defects in the bulk material, such as voids.
Bernhart, Gérard   +10 more
core   +1 more source

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