Results 121 to 130 of about 47,924 (231)

Mechanism of the effect of plastic deformation at different temperatures on the surface roughness of machined aluminum mirrors

open access: yesMaterials & Design
The existence of a coarse and non-uniform grain structure poses a substantial obstacle to achieving a decrease in surface roughness on the reflective mirror subsequent to single-point diamond turning. The grain refinement mechanism of 6061 aluminum alloy
Yunfan Fu   +4 more
doaj   +1 more source

SKITTER foot design [PDF]

open access: yes
A mechanical design team was formed to design a foot for the lunar utility vehicle SKITTER. The primary design was constrained to be a ski pole design compatible with the existing femur-tibia design legs.
Choi, Gene   +5 more
core   +1 more source

The Making of Asia’s First Bilateral FTA : Origins and Regional Implications of the Japan–Singapore Economic Partnership Agreement [PDF]

open access: yes
Japanese Prime Minister Junichiro Koizumi ushered in a new era in Japans international trade policy in January 2002 when he and his Singaporean counterpart, Goh Chok Tong, signed the Japan-Singapore Economic Partnership Agreement (JSEPA), the first ...
Takashi Terada
core   +1 more source

Materials review for improved automotive gas turbine engine [PDF]

open access: yes
The potential role of superalloys, refractory alloys, and ceramics in the hottest sections of engines operating with turbine inlet temperatures as high as 1370 C is examined.
Belleau, C., Ehlers, W. L., Hagen, F. A.
core   +1 more source

Responsibility for regional waste generation: A single region extended input-output analysis with uni-directional trade flows [PDF]

open access: yes
The paper uses a regional input-output (IO) framework and data derived on waste generation by industry to examine regional accountability for waste generation.
Christa D. Jensen   +3 more
core  

Comparing TFP Catching-up and Capital Deepening in US and European Growths: A Directional Distance Function Approach [PDF]

open access: yes
In Solow’s model the income convergence between countries arises from two main sources: a capital deepening effect resulting from the diminishing returns of the production technology and a technological transfer/diffusion effect related to Total Factor ...
Hervé Leleu, Jean-Philippe Boussemart
core  

Achievement of high strength and good ductility in the large-size AZ80 Mg alloy using a designed multi-directional forging process and aging treatment

open access: yesJournal of Materials Processing Technology, 2022
Zijian Zhang   +5 more
semanticscholar   +1 more source

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