Results 31 to 40 of about 575,996 (312)

Performance Analysis of Abradable Coating Systems for Aircraft Gas Turbines

open access: yesAdvanced Engineering Materials, EarlyView.
Three CoNiCrAlY/YSZ/MgAl2O4 abradable liner configurations on a nickel‐superalloy are evaluated by thermal‐gradient cycling and incursion tests. Laser ablation of the bondcoat and/or Y2O3‐stabilized ZrO2 (YSZ) intermediate layer increases mechanical interlocking and bonding for thick topcoats.
Hanna Heyl   +4 more
wiley   +1 more source

Putting the eco in ecotoxicology [PDF]

open access: yesRegulatory Toxicology and Pharmacology, 1988
Testing of pesticides and often other persistent chemicals increasingly involves aquatic mesocosms. Since our intention is to protect natural systems, predictions of their response based on surrogate systems are desirable. Toxicity tests at a variety of levels of biological organization are now available, ranging from single-species laboratory tests to
openaire   +3 more sources

Enhanced game mode for Eco-driving simulator [PDF]

open access: yes, 2012
The use of driving simulators is part of RENAULT’s approach for eco-driving development. The geDRIVER project objectives were to: develop ECO mode for all, taking into account eco-driving criteria; develop a training business offer and develop specific ...
KEMENY, Andras   +6 more
core  

Experimental Characterization of Mycelium‐Based Composites Under Multiple Loading Conditions

open access: yesAdvanced Engineering Materials, EarlyView.
This study examines the mechanical response of mycelium‐based composites under compression, shear, and tension using mechanical testing and imaging methods. The comparison between unpressed and hot‐pressed specimens shows that hot pressing is associated with higher compression and shear stiffnesses.
Shaghayegh Elahi   +5 more
wiley   +1 more source

Editorial

open access: yesRevista Eco-Pós, 2014
Editorial
ECO PÓS
doaj   +1 more source

Ossicle-reeks

open access: yes, 2011
Overzicht van de gearchiveerde rapporten van Archeoplan Eco, zoals die in de Ossicle-reeks zijn ...
Archeoplan Eco
core   +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

Effects of Herbicides on Selenastrum capricornutum and Daphnia magna

open access: yes‬‭Majallah-i ̒Ilmī-i Shīlāt-i Īrān, 1997
The toxicity of five herbicides, Propanil, Machete, Rilof-H, Saturn, and Ronestar, commonly used in Iranian rice fields, were investigated in acute toxicity bioassays on two organisms belonging to different ig dquatic food chain.
M. Piri; V. Erdok
doaj  

A la espera de una semiótica de los tesoros

open access: yesCuadernos de Información y Comunicación, 2015
Reflexión llena de humor sobre la profusión y curiosa riqueza de los tesoros almacenados en los palacios y catedrales de la ...
Umberto Eco
doaj   +1 more source

Mechanical Performance of CO2 and Autoclave Cured Date Palm Fiber Reinforced eco-mortar Composites [PDF]

open access: yesEngineering and Technology Journal, 2016
Using nature waste fibers in construction industries had shown important character "environmental friendly" which paid a great interest around the world.
Maan Salman Hassan, Wahad Marwan Salih
doaj   +1 more source

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