Results 21 to 30 of about 127,520 (303)
Effect of alcohol addition on the movement of petroleum hydrocarbon fuels in soil [PDF]
, 2002 Groundwater contamination by fuel spills from aboveground and underground storage tanks has been of growing concern in recent years. This problem has been magnified by the addition of oxygenates, such as ethanol and methyl-tertiary-butyl ether (MTBE) to ...
Adam +14 more
core +1 more source
Extraction of Silica from Bengkulu Beach Sand using Alkali Fusion Method
Pendipa, 2020 Silica is one of the potential minerals to be developed and applied in various industrial fields. High purity of silica can be obtained by utilizing natural materials such as beach sand.
Soraya Nur Ishmah +3 more
doaj +1 more source
Observation of the Askaryan Effect: Coherent Microwave Cherenkov Emission from Charge Asymmetry in High Energy Particle Cascades [PDF]
, 2000 We present the first direct experimental evidence for the charge excess in high energy particle showers predicted nearly 40 years ago by Askaryan. We directed bremsstrahlung photons from picosecond pulses of 28.5 GeV electrons at the SLAC Final Focus ...
Allen Odian +29 more
core +2 more sources
AgronomyGlobal climate change and persistent droughts lead to soil desertification, posing significant challenges to food security. Desertified lands, characterized by high permeability, struggle to retain water, thereby hindering ecological restoration. Sand, a
Xiaoyan Ma +4 more
doaj +1 more source
Maximum shear modulus of calcareous sand in Dejebel Dahar, Tunisia and its dependency on applied stress [PDF]
E3S Web of Conferences, 2019 The present experimental investigation aims at investigating the small strain stiffness of calcareous sand as a function of applied stress. The calcareous sand was sampled at Tunisia's Dejebel Dahar region, and the shear wave velocity (Vs) of calcareous ...
Choo Hyunwook +3 more
doaj +1 more source
Silica concrete compressive behavior under alternating magnetic field
Magazine of Civil Engineering, 2021 Due to the importance of inventing new techniques capable of enhancing concrete structural properties while reducing environmental issues associated with CO2 emissions in concrete industry, which preoccupies environmental scientists, a novel ...
Alireza Safari Tarbozagh +2 more
doaj +1 more source
Jurnal Kimia Sains dan Aplikasi, 2020 Nanomaterials have broad and unique applications in various fields. In this research, synthesis of Iron Sand Magnetic Hybrid nanomaterials coated with propyldiethylenetriammine modified silica (PB@SiO2@TA) originating from the coast of Muara Kencan ...
Ricka Prasdiantika +2 more
doaj +1 more source
Sand Column Stabilized by Silica Fume Embedded in Soft Soil [PDF]
Engineering and Technology Journal, 2016 This research aims to study the behavior of the sand columns stabilized with silica fume (as an additive with different percentages) and driven in soft soil bed with undrained shear strength (cu) between 16 – 21 kPa.
Hussein H. Karim +2 more
doaj +1 more source
Numerical investigation of Bi-model slurry transportation in a straight pipe
Results in Engineering, 2023 Slurry transportation through a pipeline system is a conventional mode of conveying solid material, which several industries have adopted across the globe.
Tanuj Joshi +3 more
doaj +1 more source
Contact cleaning of polymer film solar reflectors [PDF]
, 2015 This paper describes the accelerated ageing of polymer film reflecting surfaces under the conditions to be found during contact cleaning of Concentrating Solar Power (CSP) collectors in the presence of dust and sand particles.
Almond, Heather +5 more
core +3 more sources