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Now showing items 43128-43147 of 43179
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Z-2 Architecture Description and Requirements Verification Results
(46th International Conference on Environmental Systems, 2016-07-10)The Z-2 Prototype Planetary Extravehicular Space Suit Assembly is a continuation of NASA’s Z series of spacesuits. The Z-2 is another step in NASA’s technology development roadmap leading to human exploration of the Martian ... -
Z-2 Prototype Space Suit Development
(44th International Conference on Environmental Systems, 2014-07-13)NASA’s Z-2 prototype space suit is the highest fidelity pressure garment from both hardware and systems design perspectives since the Space Shuttle Extravehicular Mobility Unit (EMU) was developed in the late 1970’s. Upon ... -
Z-2 Space Suit: A Case Study in Human Spaceflight Public Outreach
(46th International Conference on Environmental Systems, 2016-07-10)NASA Johnson Space Center’s Z-series of planetary space suit prototypes is an iterative development platform with a Mars-forward design philosophy, targeting a Mars surface mission in the mid-2030s. The first space suit ... -
Z-2 Threaded Insert Design and Testing
(46th International Conference on Environmental Systems, 2016-07-10)NASA’s Z-2 prototype space suit contains several components fabricated from an advanced hybrid composite laminate consisting of IM10 carbon fiber and fiber glass. One requirement was to have removable, replaceable helicoil ... -
Zeolite Degradation: An Investigation of CO2 Capacity Loss of 13x Sorbent
(47th International Conference on Environmental Systems, 2017-07-16)System testing of the Carbon Dioxide Removal and Compression System (CRCS) has revealed that sufficient CO2 removal capability was not achieved with the designed system. Subsystem component analysis of the zeolite bed ... -
The Zero Gravity Mass Measurement Device
(45th International Conference on Environmental Systems, 2015-07-12)The Zero Gravity Mass Measurement Device (ZGMMD) provides the ability to quantify the mass of objects, including live animal specimens, in a microgravity environment. There are currently no mass measurement devices available ... -
Zero voltage switching resonant converter using 0.6μm technology
(2016-05)There has been a rapid advancement in the technology for the development of high performance DC-DC converters. Resonant switching buck converter is one such power conversion topology and is designed to achieve maximum ... -
Zero-cost sustainable design for residential building: A study in energy-efficient design for residential properties
(2008-12)Through the use of passive energy design, combined with efficient technologies, it is possible to design a home that will have a lesser impact on the environment, and use less energy than a typical home without increasing ... -
Zero-norm optimization: Models and applications
(2010-12)A zero-norm optimization model is a mathematical program in which one either minimizes or restricts the number of certain sets of variables to being non-zero. Zero-norm optimization arises in various applications, such as ... -
Zhazhda podlinnago bytīi͡a: Pessimizm i mistika
(Berlin: S. Efron, 1922) -
Zilker Zoological Park: a zoo for Central Texas, Austin, Texas
(Texas Tech University, 1990-05)The creation of uncandid architecture, architecture that at first glance appears simple in form and in design, but with further investigation becomes more complex and complicated and bridges the dichotomous relationship ... -
Zinc adequacy of meals prepared for a Title VII nutrition program in Lubbock, Texas
(Texas Tech University, 1978-05)To determine 1) the zinc adequacy of the Lubbock Congregate Meal Program (SPOT) and 2) the effect(s) of time and temperature variables on the zinc" stability of foods prepared in quantity, duplicate samples were taken from ... -
Zinc and Lead Deposits of Northern Arkansas
(Washington: Government Printing Office, 1904) -
Zinc and lead deposits of Northern Arkansas
(Washington: Government Printing Office, 1935) -
Zinc and lead deposits of Northern Illinois
(Washington: Government Printing Office, 1904) -
Zinc and lead deposits of the upper Mississippi valley
(Washington: Government Printing Office, 1906)