Results 41 to 50 of about 75,372 (263)

Zein‐Based Adhesives: Sustainable Extraction and Application in Bioadhesive Technologies

open access: yesAdvanced Engineering Materials, EarlyView.
Zein is extracted from corn gluten meal using a simple and scalable process with high yield (~90%). The resulting protein is applied in bioadhesives modified with Ca2+ and Fe3+ ions, exhibiting substrate‐dependent adhesion. The findings demonstrate competitive bonding performance and highlight the role of ionic interactions in tuning adhesion ...
Paula Bertolino Sanvezzo   +3 more
wiley   +1 more source

Petroleum Extraction Engineering

open access: yes, 2018
In this chapter, the information about rotary drilling rig components, their purpose and principles of operation is presented through the in-depth analysis of hoisting, rotating and circulating equipment. Detailed classification of drilling fluids and its content is followed by the thorough investigation of the phenomenon of drilling fluid losses.
openaire   +2 more sources

Karl Popper and the Mechanisms of Hydrogen Embrittlement

open access: yesAdvanced Engineering Materials, EarlyView.
Representation of the beginning of loss of ductility rather than embrittlement. Small concentrations of hydrogen in a diffusible form within iron are well‐established to harm the mechanical integrity of steels. There are theories that attempt to explain the pernicious role of hydrogen.
H. K. D. H. Bhadeshia
wiley   +1 more source

Petroleum allocation method for exploration strategic planning

open access: yesShiyou shiyan dizhi, 2023
During petroleum exploration strategic planning and study, it is necessary to comprehensively analyze on exploration status, resource basis and engineering technology conditions of various plays, in order to determine resource replacement sequence ...
Huaming XU   +4 more
doaj   +1 more source

Laser‐Induced Graphene from Waste Almond Shells

open access: yesAdvanced Functional Materials, EarlyView.
Almond shells, an abundant agricultural by‐product, are repurposed to create a fully bioderived almond shell/chitosan composite (ASC) degradable in soil. ASC is converted into laser‐induced graphene (LIG) by laser scribing and proposed as a substrate for transient electronics.
Yulia Steksova   +9 more
wiley   +1 more source

László Podolszki, PhD in Technical Sciences

open access: yesKartografija i Geoinformacije, 2015
László Podolszki defended his doctoral thesis Stereoscopic analysis of landslides and landslide susceptibility on the southern slopes of the Medvednica Mt.
Snježana Mihalić Arbanas
doaj  

Statistical analysis of environmental consequences of hazardous liquid pipeline accidents

open access: yesHeliyon, 2018
Although pipelines are the safest method to transport fuels, they are associated with risks due to failures, leading to significant negative consequences.
Chiara Belvederesi   +2 more
doaj   +1 more source

CFD study and experimental validation of low liquid-loading flow assurance in oil and gas transport: studying the effect of fluid properties and operating conditions on flow variables

open access: yesHeliyon, 2020
Low liquid-loading flow frequently occurs during the transport of gas products in various industries, such as in the Oil & Gas, the Food, and the Pharmaceutical Industries.
Miguel Ballesteros Martínez   +2 more
doaj   +1 more source

Biomass Native Structure Into Functional Carbon‐Based Catalysts for Fenton‐Like Reactions

open access: yesAdvanced Functional Materials, EarlyView.
This study indicates that eight biomasses with 2D flaky and 1D acicular structures influence surface O types, morphology, defects, N doping, sp2 C, and Co nanoparticles loading in three series of carbon, N‐doped carbon, and cobalt/graphitic carbon. This work identifies how these structural factors impact catalytic pathways, enhancing selective electron
Wenjie Tian   +7 more
wiley   +1 more source

FEMALE STUDENTS IN ENGINEERING Geology, Mining, and Petroleum Engineering Comparison

open access: yesRudarsko-geološko-naftni Zbornik, 1997
Engineering professions genceraly went last decades through process of feminization, but not equaly. The article is focused on one of the most male dominant profession - mining, geology and petroleum engineering (MGPE).
Jasminka Lažnjak   +1 more
doaj  

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