Results 31 to 40 of about 146,561 (193)

Characterization of natural Yemeni zeolites as powder sorbents for ammonium valorization from domestic waste water streams using high rate activated sludge processes [PDF]

, 2018
BACKGROUND In this study three natural Yemeni zeolites (NZ1, NZ2 and NZ3) having major minerals such as clinoptilolite and mordenite, were evaluated as low cost sorbents for the removal and recovery of ammonium ions.
Alouani, Rabeh, Cortina Pallás, José Luís, Hadj Amara, Abdesslem Ben, Hermassi, Mehrez, Jmayai, Amel   +4 more
core   +2 more sources

Renewable Hydrogen from Biomass: Technological Pathways and Economic Perspectives

Energies
Hydrogen is undeniably one of the most promising options for producing energy with minimal environmental impact. However, current hydrogen production is still derived from carbon-intensive processes relying on fossil fuels.
José Ramón Copa Rey, Cecilia Mateos-Pedrero, Andrei Longo, Bruna Rijo, Paulo Brito, Paulo Ferreira, Catarina Nobre   +6 more
doaj   +1 more source

Impact of Livestock Grazing on the Floristic Composition: A Case Study of the Mount of Tessala, Western Algeria

International Journal of Environment, 2014
The present work focuses on evaluating the impact of livestock grazing on the floristic composition in the mount of Tessala (Western Algeria). Phytoecological surveys were carried out at seven stations around north and south slopes of the mount.
Cherifi Kouider, Zoheir Mehdadi, Ali Latreche, Zouaoui Hazem, Wael El Zerey   +4 more
doaj   +1 more source

Integrating Essential Elements of Person-Centered Transition Planning Practices Into the Development of the Individualized Education Program With All Students with Disabilities [PDF]

, 2003
This is the second of two white papers that were developed to look at the potential for integrating a person-centered approach into the design and implementation of transition planning with individuals with disabilities in high school across nine ...
Blessing, Carol
core   +1 more source

"The Speech of Dasein: Heidegger and Quotidian Discourse" [PDF]

, 2017
In § 35 of Sein und Zeit Heidegger’s denunciation of Gerede, idle talk, is confident and scathing. It sounds so sinister and threatening. What could Heidegger be talking about? One could cite numerous fictional characters (e.g., Pecksniff, Mrs.
Gelley, Alexander
core   +1 more source

Effect of Reinforcement Ratio and Particle Size on the Physical and Mechanical Performance of Epoxy Matrix Panels and Waste Wood from Iroko Chlorophora excelsa from Cameroon

Advances in Materials Science and Engineering
The use of local materials developed from natural reinforcements remains a major challenge for many researchers in the development of the industry and the fight against pollution.
Claude Takoumbe, Joseph Zobo Mfomo, Achille Bernard Biwole, Elvis Mbou Tiaya, Jean Aimé Mono, Prince Hermann Pokem Nguimjeu, Linus Ntsotsa Biwole   +6 more
doaj   +1 more source

Waste-Derived Chars: A Comprehensive Review

Waste
The production of heterogeneous solid waste, such as municipal solid waste (MSW), construction and demolition waste (CDW), and industrial solid waste (ISW), has increased dramatically in recent decades, and its management is one of today’s biggest ...
Santa Margarida Santos, Margarida Gonçalves, Paulo Brito, Catarina Nobre   +3 more
doaj   +1 more source

Use of Marble Waste to Obtain Biphasic Bioceramics Based on Calcium and Magnesium Phosphates [PDF]

Materials Research
The ornamental stone industry generates a huge amount of marble waste around the world, which requires sustainable disposal. This investigation aimed to synthesize a new biphasic calcium phosphate-magnesium phosphate bioceramic using marble waste as an ...
Thiago F. Almeida, José Nilson F. Holanda   +1 more
doaj   +1 more source

The resource-based view of the firm and the labour theory of value [PDF]

, 2005
The paper argues that the principal components of the Resource- based view (R-BV) of the firm are not a sufficient basis for a complete and consistent theory of firm behaviour.
Toms, S.
core  

Silver Nitrate: A Catalyst for Unprecedented in vitro Development of Spathiphyllum wallisii, an Important Ornamental Plant

Journal of Horticultural Research
The ornamental plant Spathiphyllum wallisii is becoming increasingly popular worldwide, and tissue culture is regarded as a practical option for its massive production. Following the multiplication phase and successive subcultures for an extended period,
Boudadi Imane, Lachguer Khadija, El Merzougui Soumaya, El Boullani Rachida, Lagram Khalid, Serghini Mohammed Amine   +5 more
doaj   +1 more source