Results 81 to 90 of about 486,001 (204)

Particle coating using foams and bubbles : a thesis presented in partial fulfilment of the requirements for the degree of Doctor of Philosophy in Chemical and Bioprocess Engineering at Massey University, Palmerston North, New Zealand [PDF]

open access: yes, 2017
This thesis investigates powder coating using foams or bubbles. The work initially started on foams. Wettability studies first showed that foams can be used to coat powders. Research then focussed on the fundamental unit of foams, the bubble.
Singh, Shakti
core  

Increase in Safety Factor Value in Existing Conditions and Reinforcement of Gabion Type Retaining Wall Pt. Medco E&P Malaka Block A [PDF]

open access: yesE3S Web of Conferences
Indonesia is an archipelagic country with 34 provinces, which has a diverse soil profile and geological structure. This condition is an area where a slope is formed.
Fernanda Ferdy   +2 more
doaj   +1 more source

Capacity-building activities related to climate change vulnerability and adaptation assessment and economic valuation for Fiji [PDF]

open access: yes, 2000
The Terms of Reference for this work specified three objectives to the Fiji component: Objective 1a: to provide a prototype FIJICLIM model (covered under PICCAP funding) Objective 1b: to provide training and transfer of FIJICLIM Objective 1c: to ...
de Wet, Neil, Kenny, Gavin J.
core   +1 more source

In situ formation of catalytically active graphene in ethylene photo-epoxidation. [PDF]

open access: yes, 2018
Ethylene epoxidation is used to produce 2 × 107 ton per year of ethylene oxide, a major feedstock for commodity chemicals and plastics. While high pressures and temperatures are required for the reaction, plasmonic photoexcitation of the Ag catalyst ...
Heo, Jaeyoung   +3 more
core   +1 more source

Microgravity: A Teacher's Guide With Activities in Science, Mathematics, and Technology [PDF]

open access: yes, 1997
The purpose of this curriculum supplement guide is to define and explain microgravity and show how microgravity can help us learn about the phenomena of our world.
Rogers, Melissa J. B.   +2 more
core   +1 more source

Bionic Optimization and Aerodynamic Performance Analysis of High-speed Train Pantograph

open access: yesJournal of Applied Science and Engineering
The aerodynamic drag of a high-speed train has a significant impact on its energy consumption. At high speeds, the pantograph is one of the primary sources of aerodynamic drag for the train.
Qi Zhou, Zhenfeng Wu, Longhui Zhu
doaj   +1 more source

Sedimentary processes in the head of the Cabo Polonio mega slide canyon (Southwestern Atlantic Margin off Uruguay).

open access: yesLatin American Journal of Sedimentology and Basin Analysis, 2021
The Southwestern Atlantic margin is characterized by several canyon systems incised on a huge contourite depositional system associated with the interaction of strong Antarctic water masses with the seafloor. So far, however, only one mega slide canyon (
Paula Franco-Fraguas   +8 more
doaj  

A mass spectrometer concept for identifying planetary atmosphere composition [PDF]

open access: yes, 1974
The design and use of mass spectrometers to measure and identify atmospheric gas compositions of planets are discussed. Special emphasis during the design phase was given to dynamic range that the instrument must have, mass range the instrument must ...
Spencer, N. W.
core   +1 more source

Thickness measurement of immersion metal carbon slide based on image segmentation

open access: yesMetalurgija
The thickness of a metal-immersed carbon slide mounted on a train’s flow shoe was measured by using machine vision and deep learning. A method for measuring the thickness of carbon slide plate based on improved U2-Net is proposed.
A. Y. Zheng   +3 more
doaj  

The influence of the sleeve's orifices geometric patterns on the fluid flow through a hydraulic resistance

open access: yesEPJ Web of Conferences, 2013
The present paper provides a CFD (Computational Fluid Dynamics) type analysis on a fluid flow through an hydraulic resistance with cylindrical slide and 4 orifices sleeve.
Opruta D., Bode F., Sfarlea I.
doaj   +1 more source

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