Results 81 to 90 of about 267,348 (299)
Experiments concerning the mechanism of flame blowoff from bluff bodies [PDF]
, 1983 The general problem of flame stabilization on bluff objects centers about the determination of the maximum stream velocity at which stable combustion may be achieved for various flame holder geometries, gas mixtures and conditions of the approaching ...
Marble, Frank E., Zukoski, Edward E.
core
Review and prospects of shear test of bolted rock joints
Deep Underground Science and Engineering, EarlyView.The laboratory shear test equipment, test method, and numerical simulation of bolted rock joints were summarized. The shortcomings and limitations of the current research were analyzed, and the research prospects were proposed. Abstract Rock bolting is a critical approach in geotechnical engineering for supporting weak rocks.
Shulin Ren +4 more
wiley +1 more source
Effect of Marble Waste Powder as Cement Replacement on The Concrete Mixes
مجلة العلوم البحتة والتطبيقية, 2020 Leaving the waste materials to the environment directly can cause environmental problem. Waste reuse was therefore emphasized. Waste can be used to produce new products or can be used as additives so that natural resources are used more efficiently and ...
Mohammed Ali Abdalla Elsageer, Hmed Ahmeed Moftah , Abd-Alslam Mosbah Ziad and Mostafa Mohammed Abd-Alftah
doaj +1 more source
Acoustic Attenuation in Fans and Ducts by Vaporization of Liquid Droplets [PDF]
, 1975 A cloud of small water droplets in saturated air attenuates acoustic disturbances by viscous drag, heat transfer, and vapor exchange with the ambient gas. The viscous and heat transfer phenomena attenuate at frequencies above 104 Hz for I-J.l droplets.
Candel, Sebastien M., Marble, Frank E.
core
Deep Underground Science and Engineering, EarlyView.A lithology identification while drilling method was developed, integrating an automated cuttings sampling system, a smart drilling rig, and an ensemble learning model. Underground trials achieved 97.42% accuracy in real‐time identification of cuttings lithology and composition, enhancing hazard management and supporting unmanned drilling technology in
Kun Li +7 more
wiley +1 more source
Effect of limestone and dolomite tailings’ particle size on potentially toxic elements adsorption
Open Geosciences, 2018 The aim of the study is the investigation of potentially toxic elements adsorption on limestone, dolomite and marble particles of different size. As parameters, rock particle size, solution concentration, contact time and presence of other elements in ...
Farmaki Sofia +3 more
doaj +1 more source
Deep Underground Science and Engineering, EarlyView.The spiral conical perforations generated during methane in situ explosion fracturing operations lead to tensile fracture propagation in shale reservoirs being governed by the combined effects of impact pressure, bedding, and aperture under explosive loading. Using multiple regression analysis and digital image correlation technology, the mechanisms of
Yabo Chai +7 more
wiley +1 more source
Right prefrontal intermittent theta-burst stimulation for major depressive disorder: A case series
Brain Stimulation, 2021 Davin K. Quinn +6 more
doaj +1 more source
, 2009 This activity is designed to introduce students to geologic processes on Earth and how to identify geologic features in images. It also introduces students to how scientists use Earth to gain a better understanding of other planetary bodies in the solar ...
core +1 more source
Carbon Dots: An Emerging Frontier for Green and Sustainable Civil Engineering Materials
ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.Traditional civil engineering materials (CE materials) are usually involved with high‐energy consumption during manufacturing, significant maintenance costs, and substantial environmental impacts throughout their life cycles. The progress of nanotechnology is catalyzing a green and sustainable transformation within the field.
Weiwen Hao +5 more
wiley +1 more source