Results 81 to 90 of about 175,367 (193)

A mobile planetary lander utilizing elastic loop suspension [PDF]

open access: yes, 1976
Efforts to increase the cost effectiveness of future lunar and planetary rover missions have led to the mobile lander concept, which replaces the landing legs of a soft-lander craft with a compact mobility system of sufficient strength to withstand the ...
Trautwein, W.
core   +1 more source

International Waterways [PDF]

open access: yesUniversity of Pennsylvania Law Review and American Law Register, 1920
Robert Dechert, Paul Morgan Ogilvie
openaire   +1 more source

DrownBaseTM – Identifying at risk factors: Strategies and issues around Māori practices and activities towards water safety [PDF]

open access: yes, 2008
Aotearoa has some of the most extensive and beautiful waterways in the world. The seas, rivers, beaches, and lakes provide endless opportunities for Māori to enjoy water activities, such as gathering kai, swimming, hoe waka, diving and fishing (Haimona &
Haimona, Mark   +2 more
core   +1 more source

Comparative Water Quality of Cozine, Gooseneck and Mill Creeks [PDF]

open access: yes, 2013
The environmental research methods class of fall 2013 analyzed the water quality of three creeks in the Yamhill (Oregon) Watershed: Cozine, Gooseneck, and Mill Creeks.
Hollenbeck, Shelby   +5 more
core   +1 more source

Was Germany ever united? Borders and domestic trade, 1885 - 1933 [PDF]

open access: yes
Was Germany ever united? Given the historical circumstances of Germanys unification in the 19th century there is no obvious answer to this question. But such an answer can affect the prospects of the post-1989 unification process, and beyond this of ...
Wolf, Nikolaus
core  

Waterways Pollution

open access: yesAmerican Journal of Public Health and the Nations Health, 1930
openaire   +3 more sources

An improved global river vector dataset based on multi-source river data fusion. [PDF]

open access: yesSci Data
Liu Y   +9 more
europepmc   +1 more source

Impacts on modal choices of new generation freights terminals [PDF]

open access: yes
Increasing pollution, congestion of roads and worries about the spatial and environmental impacts of road transports have promoted the idea of transferring part of freight transportation from roads to railways and waterways.
B. Jourquin, L. Demilie, Michel Beuthe
core  

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