Results 21 to 30 of about 130,935 (303)
New modification of the hestenes-stiefel with strong wolfe line search [PDF]
, 2021 . The method of the nonlinear conjugate gradient is widely used in solving large-scale unconstrained optimization since been proven in solving optimization problems without using large memory storage.
Basri, Srimazzura +2 more
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Proportioning of Foamed Concrete Reinforced with Carbon Fibers [PDF]
Engineering and Technology Journal, 2016 This paper shows the production of foamed concrete reinforced with carbon fibers. Firstly, different mortar mixes were prepared by varying ratio of sand/cement.
Eethar Tihanon Dawood +2 more
doaj +1 more source
Geopolymer lightweight bricks manufactured from fly ash and foaming agent [PDF]
, 2013 This paper deals with the development of lightweight geopolymer bricks by using foaming agent and fly ash. The mix parameters analysed through a laboratory experiment with fix ratio of sodium silicate/sodium hydroxide solution mass ratio 2.5, fly ash ...
Abd Samad, Noorazman +5 more
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Alternative foaming agents for fabrication of glass foam
Multidiszciplináris tudományok, 2021 Glass foam tablets were produced from container glass bottles (CGB) using eggshell waste (ESW) and perlite (P) as foaming agent in different portions. The ground raw materials (CGB, ESW, P) were homogenized and pressed with hydraulic piston press machine at different pressures (in the case of P containing tablets 30 MPa and ESW containing tablets 15 ...
Fóris, Ildikó, Mucsi, Gábor
openaire +3 more sources
Effects of ultrasound on polymeric foam porosity [PDF]
, 2008 A variety of materials require functionally graded cellular microstructures whose porosity is engineered to meet specific applications (e.g. mimic bone structure for orthopaedic applications; fulfil mechanical, thermal or acoustic constraints in ...
Blitz +23 more
core +2 more sources
Open Chemistry, 2021 This paper introduces a steam-foam drive profile modification technology for heavy oil development in Block Qi40 based on an in-depth study of the characteristics of heavy oil reservoir and cross flow characteristics of injected steam in Block Qi40 of ...
Liu Yong +4 more
doaj +1 more source
Managing the complexities of English Language teaching in engineering [PDF]
, 2015 In this 21st century, engineering employers seek professional engineers who have excellent scientific knowledge and are able to demonstrate good communication and problem solving skills.
Mohamed, Mimi Nahariah Azwani
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Preparation, Properties and Application of Gel Materials for Coal Gangue Control
Energies, 2022 In order to solve the problem of the spontaneous combustion of coal gangue, a coal gangue fire-extinguishing material of gel–foam was developed. The foaming agent was screened by the Waring blender method with varying foam amounts, and the superabsorbent
Xiaoqiang Zhang, Yuanyuan Pan
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Meitan xuebao, 2023 The priority direction of mine dust control is to suppress dust generation and flying at the source. Foam, a gas-liquid two-phase medium, has some unique advantages of large dust covering area, strong adhesion ability and fast wetting of dust.
Hetang WANG +4 more
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Research Progress of Gel Foam Extinguishing Agent in Coal Mines
Fire, 2023 Gel foam extinguishing agent (gel foam) has promising applications in the prevention and management of mine coal spontaneous combustion. Based on the research on coal spontaneous combustion and prevention technology, this article discusses recent studies
Yan Zhang, Zhaojun Tian, Qing Ye, Yi Lu
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