Results 21 to 30 of about 10,936 (144)
High temperature penetrator assembly with bayonet plug and ramp-activated lock [PDF]
, 1982 A penetration apparatus, for very high temperature applications in which a base plug is inserted into an opening through a bulkhead is described. The base plug has a head shape and is seated against the highest temperature surface of the bulkhead, which ...
Wood, K. E.
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Small, EarlyView.ABSTRACT The rapid expansion of the Internet of Things (IoT) and wearable electronics necessitates sustainable power sources to replace the limited electrochemical battery. While mechanical energy harvesting offers a promising solution, traditional harvesters face challenges of irregular and low−frequency environmental sources. This review presents the
Yongbin Han +2 more
wiley +1 more source
Focal plane transport assembly for the HEAO-B X-ray telescope [PDF]
, 1979 The High Energy Astronomy Observatory - Mission B (HEAO-B), an earth orbiting X-ray telescope facility capable of locating and imaging celestial X-ray sources within one second of arc in the celestial sphere, is considered.
Allard, P. D. +4 more
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AGRICULTURE IN A SOCIALIST CITY: Towards an Alter‐Urban Political Ecology
International Journal of Urban and Regional Research, EarlyView.Abstract Urban political ecology has developed as a critique of capitalist urbanization. This article develops the concept of alter‐urban political ecology to define urban environments emerging not from capitalist urbanization but from efforts to transform it. Drawing on archival research and ethnographic fieldwork in five urban farms in socialist Cuba,
Gustav Cederlöf
wiley +1 more source
Combined pressure regulator and shutoff valve [PDF]
, 1974 A remotely operable pressure regulator and shutoff valve particularly suited for achieving high resolution and flow control, and positive shutoff is described.
Koch, E. F.
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The hole in the doughnut: Formalizing and testing a key model of degrowth
Contemporary Economic Policy, EarlyView.Abstract Degrowth scholars often claim that capitalism generates social and ecological imbalances, as captured by Kate Raworth's leading doughnut model. We formalize this model using social and environmental indices and measure imbalances using their coefficient of variation.
Ashruta Acharya +2 more
wiley +1 more source
Fluid flow restrictor Patent [PDF]
, 1970 Tubular flow restrictor for gas flow control in ...
Bastien, G. J.
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What Does Intarsia Say? Materiality and Spirituality in the Urbino Studiolo☆
Renaissance Studies, EarlyView.Abstract Upon entering the Urbino studiolo of Federico da Montefeltro, the visitor is struck by a material‐charged environment. Surprisingly, only a few scholars have addressed one prominent aspect of the decorative scheme, namely, the feature of intarsia as a medium. Even so, it remains on the sidelines of the discussion.
Matan Aviel
wiley +1 more source
Mechanized fluid connector and assembly tool system with ball detents [PDF]
, 1991 A fluid connector system is disclosed which includes a modified plumbing union having a rotatable member for drawing said union into a fluid tight condition.
Smith, Steven A., Zentner, Ronald C.
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Energy Technology, Volume 14, Issue 4, April 2026.Integrating powertrain electrification with efficient engines using low‐carbon fuels like natural gas (NG) improves energy conversion efficiency and mitigates greenhouse gas (GHG) emissions in heavy‐duty (HD) trucks. High‐pressure direct injection (HPDI) NG engines, using less than 5% diesel (energy basis) as pilot fuel, offer diesel‐like efficiency ...
Sina Moghadasi +3 more
wiley +1 more source