Results 21 to 30 of about 1,686 (111)

Bianchi Type‐I Dark Energy Cosmology with Power‐Law Relation in Brans‐Dicke Theory of Gravitation

Advances in High Energy Physics, Volume 2018, Issue 1, 2018., 2018
We have studied the interacting and non‐interacting dark energy and dark matter in the spatially homogenous and anisotropic Bianchi type‐I model in the Brans‐Dicke theory of gravitation. The field equations have been solved (i) by using power‐law relation and (ii) by assuming scale factor in terms of redshift.
S. D. Katore, D. V. Kapse, Edward Sarkisyan-Grinbaum   +2 more
wiley   +1 more source

Bir İşletmeye Ait Yardımcı Tesislerin Enerji Tüketimi ve Verimliliğinin İncelenmesi

Düzce Üniversitesi Bilim ve Teknoloji Dergisi, 2022
Bu çalışmada, bir çimento fabrikasında mevcut olan yardımcı işletmeler kısmının enerji tüketimleri incelenmiştir. Yardımcı işletmeler kısmı; kazan dairesi, kompresör dairesi, soğutma havuzu, idari bina, merkezi kontrol binası ve atölyeleri kapsamaktadır.
Elif Öğüt, Özge Cura
doaj  

Variáveis-chave no controle da resistência mecânica de misturas solo-cimento

Geotecnia, 2007
Freqüentemente, a utilização de técnicas tradicionais da engenharia geotécnica depara-se com obstáculos de caráter econômico e ambiental. A técnica do solo-cimento torna-se atrativa quando o melhoramento das propriedades do solo do local constitui-se ...
Diego Foppa, Lucas Festugato, Nilo Consoli, Karla Heineck, António Viana da Fonseca   +4 more
doaj   +1 more source

Incorporation of Coconut Fibers Into Clay‐Based Mortars: A Study on Mechanical and Microscopic Behavior

International Journal of Ceramic Engineering &Science, Volume 8, Issue 2, March 2026.
Clay‐based mortar reinforced with coconut fibers showed improved flexural strength and promising mechanical performance, despite shrinkage‐induced cracks. The study highlights the potential of using waste and natural fibers in eco‐efficient mortars, emphasizing the importance of curing and moisture control.
Gabriela Machado Guimarães Ferreira, Sebastião Ribeiro   +1 more
wiley   +1 more source

A Study on Occupancy and Compressive Strength of Concrete with Produced Injection Method

Advances in Materials Science and Engineering, Volume 2014, Issue 1, 2014., 2014
Concrete is a composite construction material made primarily of aggregate, cement, and water. Fresh concrete must have certain features. These are shown in durability, workability, compressive strength, flexural strength, shrinkage, impact resistance, wear, and so forth.
Cevdet Emin Ekinci, Omer Kelesoglu, Ying Li   +2 more
wiley   +1 more source

Comparative Biocompatibility of Portland‐Based Endodontic Cements Containing Niobium and/or Bismuth Oxides in Rat Subcutaneous Tissue

BioMed Research International, Volume 2026, Issue 1, 2026.
Objectives To evaluate the in vitro cytocompatibility and osteogenic potential and the in vivo biocompatibility of two experimental endodontic cements based on Portland cement combined with either Nb2O5 (F6) and/or bismuth oxide (F7) in a rat subcutaneous implantation model. Methods For the in vitro study, MC3T3‐E1 preosteoblastic cells were exposed to
Raphael Victor Silva Andrade, Rafaela Alcindo Silva de Souza Fé, Vladimir Galdino Sabino, Carlos Augusto Galvão Barboza, Maria Luiza Diniz de Sousa Lopes, Nizyara Costa da Silva, Valkleidson Santos de Araujo, Amanda Silveira da Silva, Raimundo Fernandes de Araujo Junior, Naianne Kelly Clebis, Isadora Luisa Gomes da Silva, Pedro Catalão Moura, Sofia Pessanha, Aurigena Antunes de Araújo, Baisakhi Banerjee   +14 more
wiley   +1 more source

Comparative Analysis of Selected Physicochemical Properties of Pozzolan Portland and MTA‐Based Cements

International Scholarly Research Notices, Volume 2014, Issue 1, 2014., 2014
Physicochemical properties of pozzolan Portland cement were compared to ProRoot MTA and MTA BIO. To test the pH, the samples were immersed in distilled water for different periods of time. After the pH analysis, the sample was retained in the plastic recipient, and the electrical conductivity of the solution was measured. The solubility and radiopacity
Maura Cristiane Gonçales Orçati Dorileo, Ricardo Dalla Villa, Orlando Aguirre Guedes, Andreza Maria Fábio Aranha, Alex Semenoff-Segundo, Matheus Coelho Bandeca, Alvaro Henrique Borges, Antonio Tilocca   +7 more
wiley   +1 more source

Efficient adsorption performance of an alginate-based dental material for uranium(vi) removal

Open Chemistry
The study aimed to explore the potential of Kromalgin, a cost-effective and readily available dental material, as a sustainable solution for the removal of U(VI) metal ions from aqueous solutions.
Erden Kadriye Esen
doaj   +1 more source

The Lock‐In Effect on ESG and Business Performance Relationship: A Critical Examination and Meta‐Analysis

Corporate Social Responsibility and Environmental Management, Volume 32, Issue 5, Page 6912-6936, September 2025.
ABSTRACT This study investigates whether the issues previously addressed in the literature regarding business performance persist when applying ESG practices. A literature review identified 252 effects, followed by a meta‐analysis with subgroup analysis. The lock‐in theory and corporate reputation were employed to understand this relationship. The lock‐
Jéssica Alessandra Mendonça, Fabíola Renata Alves Roberto, Dalton Alexandre Kai, Guilherme Brittes Benitez   +3 more
wiley   +1 more source

Effect of Zirconium Oxide and Zinc Oxide Nanoparticles on Physicochemical Properties and Antibiofilm Activity of a Calcium Silicate‐Based Material

The Scientific World Journal, Volume 2014, Issue 1, 2014., 2014
The aim of the present study was to evaluate the antibiofilm activity against Enterococcus faecalis, compressive strength. and radiopacity of Portland cement (PC) added to zirconium oxide (ZrO2), as radiopacifier, with or without nanoparticulated zinc oxide (ZnO). The following experimental materials were evaluated: PC, PC + ZrO2, PC + ZrO2 + ZnO (5%),
Juliane Maria Guerreiro-Tanomaru, Adinael Trindade-Junior, Bernardo Cesar Costa, Guilherme Ferreira da Silva, Leonardo Drullis Cifali, Maria Inês Basso Bernardi, Mario Tanomaru-Filho, Cornelis H. Pameijer   +7 more
wiley   +1 more source