Results 21 to 30 of about 487,832 (193)

Flow Structure when Filling a Channel with a Curable Liquid [PDF]

open access: yesJournal of Applied and Computational Mechanics, 2023
The filling of a plane gap with a non-Newtonian fluid under non-isothermal conditions is considered by assuming viscous dissipation and curing reaction induced by the heat supplied through the walls of the gap.
Evgeny Borzenko, Gennady Shrager
doaj   +1 more source

RTM production monitoring of the A380 hinge arm droop nose mechanism: a multi-sensor approach [PDF]

open access: yes, 2016
his research presents a case study of production monitoring on an aerospace composite component: the hinge arm of the droop nose mechanism on the Airbus A380 wing leading edge.
Chiesura, Gabriele   +7 more
core   +2 more sources

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

Sequential curing of thiol-acetoacetate-acrylate thermosets by latent Michael addition reactions [PDF]

open access: yes, 2017
Thiol-acetoacetate-acrylate ternary dual-curing thermosets were prepared by a sequential process consisting of thiol-Michael addition to acrylates at room temperature followed by Michael addition of acetoacetates to acrylates at moderately elevated ...
Fernández Francos, Xavier   +5 more
core   +2 more sources

Mathematical Model of Autoclave Curing of Epoxy Resin Based Composite Materials [PDF]

open access: yesEngineering and Technology Journal, 2007
Polymer matrix composites using thermosetting resins as the matrix are increasingly finding use in several applications. Process modeling describing the governing curing has played an important role, in improving the fundamental understanding and ...
A. Abdul dnan, J. Najat, Sh. Hassen
doaj   +1 more source

Organizational and technological solutions for controlling concrete structures projects in the dry hot weather in Iraq [PDF]

open access: yesBIO Web of Conferences
Iraq has suffered from a long period of neglect in projects due to the circumstances it has experienced, and there is a great need to construct infrastructure and development projects.
Al-Asadi Laith S.M.   +2 more
doaj   +1 more source

A Study Mechanical Properties of Epoxy Resin Cured at Constant Curing Time and Temperature with Different Hardeners [PDF]

open access: yesEngineering and Technology Journal, 2011
In this study, a low molecular weight epoxy resin diglycidyl ether of bisphenol A (DGEBA) is cured isothermally with an aliphatic and aromatic amine hardeners separately. (1) Triethylenetetramine (TETA), (2) diamino diphenylmethane (DDM).
Najat j. Saleh   +3 more
doaj   +1 more source

Optimization of the Curing Process of Large Yellow Croaker Roe

open access: yesShipin gongye ke-ji, 2022
In order to study the optimal curing process of large yellow croaker roe, the effect of salt type, salt addition, curing time and curing temperature on the chloride content, volatile salt nitrogen (TVB-N) content, moisture, the total number of colonies ...
Cailing LEI   +5 more
doaj   +1 more source

Latent curing of epoxy-thiol thermosets [PDF]

open access: yes, 2017
Epoxy-thiol curing is a click reaction which allows quantitative yield of the end products. The base-catalyzed reaction is rapid at low temperatures so it is most often desirable to harness reactivity by using latent catalysts.
Fernández Francos, Xavier   +2 more
core   +2 more sources

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