Results 21 to 30 of about 12,654,125 (372)

Analytical and Numerical Solution of Heat Transfer Equation in Rectangular Composite Fins [PDF]

open access: yesMechanics of Advanced Composite Structures, 2022
Today, the use of composites has received widespread attention due to their special properties that cannot be found in alloys. Kevlar-Epoxy composite is one of the most widely used materials. In this paper, we analyze the heat transfer in rectangular fin
Mohsen Hajinejad Sorkhi   +1 more
doaj   +1 more source

Polymeric composite materials for radiation shielding: a review

open access: yesEnvironmental Chemistry Letters, 2021
The rising use of radioactive elements is increasing radioactive pollution and calling for advanced materials to protect individuals. For instance, polymers are promising due to their mechanical, electrical, thermal, and multifunctional properties ...
C. V. More   +4 more
semanticscholar   +1 more source

Research on the Shear Behaviour of Composite Shear Connectors

open access: yesBuildings, 2022
In order to make full use of the advantages of welded stud and perfobond rib shear connectors, a new type of composite shear connector is proposed. Studs are welded to the perforated steel plate of the PBL connectors.
Chengfeng Xue   +5 more
doaj   +1 more source

A Note on the Compositeness of Numbers [PDF]

open access: yesProceedings of the American Mathematical Society, 1957
The "compositeness" of the number n = pclpa2 a * * pam iS defined by Q(n) =a1+a2?+ +Ofa,. If the integers be partitioned into two classes Eo and E1 according to whether Q(n) =0, 1 (mod 2), and Eo(x), El(x) be the corresponding counting functions, it follows that Ei(x) = (x/2) +error.
openaire   +1 more source

Machine Learning Based Quantitative Damage Monitoring of Composite Structure

open access: yesInternational Journal of Smart and Nano Materials, 2022
Composite materials have been widely used in many industries due to their excellent mechanical properties. It is difficult to analyze the integrity and durability of composite structures because of their own characteristics and the complexity of load and
X. Qing   +5 more
semanticscholar   +1 more source

Pengaruh Tutupan Lahan terhadap Base Flow Index DAS Way Seputih Provinsi Lampung

open access: yesSiklus: Jurnal Teknik Sipil, 2021
Tujuan penelitian ini adalah menganalisis nilai Base Flow Index (BFI) dan debit baseflow DAS Way Seputih; menganalisis nilai Curve Number (CN) composite DAS Way Seputih tahun 2005, 2009, dan 2011; serta menganalisis pengaruh perubahan tutupan lahan ...
Adenan Yusuf   +2 more
doaj   +1 more source

Experimental Investigation of Geosynthetic-Reinforced Pile-Supported Composite Foundations under Cyclic Loading

open access: yesAdvances in Civil Engineering, 2020
A series of model tests were conducted in this study to investigate the deformation characteristics of geosynthetic-reinforced pile-supported (GRPS) composite foundations under cyclic loading. The effects of the applied load, the number of geogrid layers,
Kaifu Liu   +4 more
doaj   +1 more source

Composite outcomes in observational studies of Crohn’s disease: a systematic review and meta-analysis

open access: yesTherapeutic Advances in Gastroenterology, 2022
Background: This systematic review and meta-analysis aims to assess composite and aggregate outcomes of observational studies in Crohn’s disease and to evaluate whether the number and type of variables included affect the frequency of the outcome ...
Fernando Magro   +15 more
doaj   +1 more source

Fast Multi-ANN Composite Models for Repeater Optimization in Presence of Parametric Uncertainty for on-Chip Hybrid Copper-Graphene Interconnects

open access: yesIEEE Access, 2023
In this paper, composite models are developed to predict the statistics of the optimal number and size of repeaters required to minimize the power delay product (PDP) of on-chip hybrid copper-graphene interconnects when subject to parametric uncertainty.
Suyash Kushwaha   +3 more
doaj   +1 more source

Experimental and Numerical Study on the Strength of Repaired Steel Pipes with Composite Patches under Internal Pressure [PDF]

open access: yesMechanics of Advanced Composite Structures, 2023
Considering the old methods of maintenance and repair of oil and gas pipelines such as welding or replacing a part of the damaged pipeline which include high costs and spending a lot of time, the important usage of novel methods with lower costs such as ...
Azita Shafaee Fallah   +2 more
doaj   +1 more source

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