Results 61 to 70 of about 655,616 (236)

Mars climate engineering using orbiting solar reflectors [PDF]

open access: yes, 2009
The manned mission is seen as a first step towards a Mars surface exploration base-station and, later, establishing permanent settlement. The location and use of Mars's natural resources is vital to enable cost-effective long-duration human exploration ...
C. Sagan   +17 more
core   +1 more source

Modeling and investigating the detailed characteristics of solar lighting/heating system based on spectrum split of nanofluids

open access: yesEnergy and Built Environment, 2022
Solar lighting technologies can lead sunlight into indoor actively, which has been proved that has great potential to reduce electric lighting consumption and create a healthy visual environment.
Chao Shen   +5 more
doaj  

International Experiences of Water Transfers: Relevance to India [PDF]

open access: yes, 2008
Water transfer has and continues to be a complementary water management strategy for promoting socioeconomic development in water-scarce regions. Over 2,500 years ago, the Babylonians, the Roman Empire and the Chinese constructed extensive canal networks,
Francis Gichuki, Peter G. McCornick
core  

A novel porous channel to optimize the cooling performance of PV modules

open access: yesEnergy and Built Environment, 2022
This paper dealt with a series of numerical investigations on a new porous cooling channel applied to PV/T systems in order to improve the insufficient heat transfer in the conventional channel.
Yingbo Zhang   +5 more
doaj  

Fate Control and Human Rights: The Policies and Practices of Local Governance in America's Arctic [PDF]

open access: yes, 2014
The loss of territoriality over lands conveyed under the Alaska Native Claims Settlement Act had adverse impacts for Alaskan tribal governance. Despite policy frameworks that emphasize the value of local governance at an international, regional, and ...
Kimmel, Mara
core   +1 more source

Human Settlement Systems: Spatial Patterns and Trends [PDF]

open access: yes, 1982
The papers in this volume were originally presented at a conference on the analysis of human settlement systems held at IIASA. This meeting closed an IIASA research activity, started in 1975, that had the goals of identifying functional urban regions in
Kawashima, T., Korcelli, P.
core  

Baseline study for SWM in Mardan, Pakistan [PDF]

open access: yes, 2012
Disposal of Municipal Solid Waste is ignored in the study area as it’s been ignored throughout the country  whereas MSW management has the largest budget among the corresponding departments but it always lack skilled staff.
Government of Pakistan   +2 more
core  

Telecom traffic and investment in developing countries : the effects of international settlement rate reductions [PDF]

open access: yes
Developing countries, which received about $35 billion in net settlement payments from the United States telecom carriers between 1985 and 1998, were upset by the Federal Communications Commission's (FCC) decision to slash rates, because lower rates mean
Wallsten, Scott J.
core  

Stable Isotope Analysis from a Burial at the Pipe Site (41AN67) in Anderson County, Texas [PDF]

open access: yes, 2012
In this article, we present the findings of stable isotope analysis (carbon, nitrogen, and oxygen) from an analysis of human remains from a burial at the Pipe site (41AN67).
Perttula, Timothy K.   +2 more
core   +1 more source

The paradox of enhancing male involvement in family planning uptake in rural Tanzania: insights from Bahi District, Dodoma Region

open access: yesBMC Health Services Research
Background Family Planning (FP) is a requirement of global and national legal instruments to ensure its full provision to both men and women. Male involvement in FP is internationally streamlined to ensure it is achieved in resource-constrained countries.
Fabiola H. Odira   +2 more
doaj   +1 more source

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