Results 121 to 130 of about 1,975,305 (345)

Reclamações ambientais em Aveiro, Portugal: atores, preocupações, padrão territorial e resoluções [PDF]

open access: yes, 2009
This paper presents an environmental diagnosis based on public complaints on environmental issues submitted to the Environmental Department of the Aveiro City Council, Portugal, between 2000 and 2005.
Carvalho, Daniela, Fidélis, Teresa
core   +1 more source

Tribology of ZrC Coatings and Spherical Tips Acquired with Extraordinarily Stiff, Metal Atomic Force Microscopy Probes

open access: yesAdvanced Engineering Materials, EarlyView.
In this research, ZrC coatings are evaluated against various counterprobes at the microscale using novel super‐stiff atomic force microscopy cantilevers. The chemical composition of the coating is shown to be an important factor influencing coating hardness and Young's modulus, while surface roughness, counterprobe hardness, and surface energy are the ...
Piotr Jenczyk   +4 more
wiley   +1 more source

Community Essay: EPA's P3 - People, Prosperity, and Planet - Award

open access: yesSustainability: Science, Practice, & Policy, 2005
The United States Environmental Protection Agency (USEPA) has launched a unique grant program called P3 (People, Prosperity and the Planet), to foster future generations of scientists, engineers, and technology workers who can advance the principles of ...
Julie Beth Zimmerman
doaj  

The legend of the RMA: A trilogy [PDF]

open access: yes, 2003
In this presentation the author paints the conflict of people versus nature in light of the RMA, and go on to look at the repercussions of this through not only the plans that were prepared under this controversial legislation, but also their ...
Ericksen, Neil
core   +1 more source

Sol–Gel Synthesis of Ca2.5Ag0.3Sm0.2Co4O9 Semiconducting Materials for Thermoelectric Applications in Aerospace Systems

open access: yesAdvanced Engineering Materials, EarlyView.
Ca2.5Ag0.3Sm0.2Co4O9 semiconductor materials are synthesized and produced in this study using the sol–gel and cold pressing techniques for thermoelectric generator applications. As template samples are added, the Seebeck coefficient and power factor values rise, peaking at 800 °C for Ca2.5Ag0.3Sm0.2Co4O9 at 274.47 μV K−1 and 0.58 mW mK−2, respectively.
Enes Kilinc   +4 more
wiley   +1 more source

URBAN PLANNING AND THE LOCATION OF ENVIRONMENTAL AMENITIES [PDF]

open access: yes
In this paper, we use a simple urban economic model to study how choosing park locations within a city might contribute towards urban planning goals.
Homans, Frances R.   +1 more
core   +1 more source

Study of the Effect of Process Parameters and Heat Treatment on the Formation and Evolution of Directed Energy Deposition of IN718‐CuCrZr Interface

open access: yesAdvanced Engineering Materials, EarlyView.
Bimetallic structures of Inconel 718 and CuCrZr are fabricated using the laser powder directed energy deposition method. The study reveals a strong dependence of interface characteristics such as width and interfusion on processing and heat treatment strategies.
Hamidreza Javidrad, Bahattin Koc
wiley   +1 more source

3D Bioprinting of Thick Adipose Tissues with Integrated Vascular Hierarchies

open access: yesAdvanced Functional Materials, Volume 35, Issue 12, March 18, 2025.
An advanced 3D bioprinting technique is used here to create thick adipose tissues with a central, vessel and extensive branching. The construct is made using alginate, gelatin and collagen‐based bioinks. Flow through the complex vessel network is demonstrated as well as its successful integration with a femoral artery following implantation in a rat ...
Idit Goldfracht   +5 more
wiley   +1 more source

Urban Ecological Stewardship: Understanding the Structure, Function and Network of Community-based Urban Land Management

open access: yesCities and the Environment, 2008
Urban environmental stewardship activities are on the rise in cities throughout the Northeast. Groups participating in stewardship activities range in age, size, and geography and represent an increasingly complex and dynamic arrangement of civil society,
Lindsay K. Campbell, Erika S. Svendsen
doaj  

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