Description:
The peptidoglycan layer of Vitreoscilla stercoraria, ATCC 15218, was isolated from intact cells after treatment with sodium lauryl sulfate (SLS) and digestion with Pronase. Amino acid and amino sugar content was analyzed and 67% of the total present was made up of glutamic acid, alanine, diaminopimelic acid (DAP), and glucosamine in a molar ratio of 1:1.7:1:0.7. Electron microscopy of the final peptidoglycan product showed a thin, delicately folded sacculus which exhibited a morphology differen…
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Description:
Report issued by the National Bureau of Standards over calculations for cost-effective insulation in single-family housing. Different calculations are made with regards to location, energy pricing, heating and cooling equipment available, and financial criteria. This report includes tables, illustrations, and photographs.
Date:
August 1981
Creator:
Petersen, Stephen R.; Barnes, Kimberly A. & Peavy, Bradley A.
Description:
Photograph of an adobe house and surrounding landscape architecture in San Juan, New Mexico. The photo includes multiple geometric stepped terrace walls.
Date:
May 1982
Creator:
Williams, Byrd M. (Byrd Moore), IV, 1951-
Description:
A Retrofit Best Practices Guide was developed to encourage homeowners to consider energy conservation issues whenever they modify their siding or windows. In support of this guide, an experimental program was implemented to measure the performance of a number of possible wall siding and window retrofit configurations. Both thermal and air-leakage measurements were made for a 2.4 x 2.4 m (8 x 8 ft) wall section with and without a 0.9 x 1.2 m (3 x 4 ft) window. The windows tested were previously …
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Date:
November 1, 2007
Creator:
Stovall, Therese K; Petrie, Thomas; Kosny, Jan; Childs, Phillip W; Atchley, Jerald Allen & Hulvey, Kimberly D
Description:
Photograph of a stone wall in Cuernavaca, Mexico. The wall is visible on the right side of the frame. There is a door in the wall in the foreground. A stone water basin sits in the center foreground. A group of people is visible behind the basin. A car is parked next to the wall in the background.
Description:
Photograph of a castle in Ireland. A stone wall is visible in the bottom foreground framed by trees. The castle is visible behind the wall.
Description:
From surface effects in controlled thermonuclear fusion devices and reactors meeting; Argonne. Illinois, USA (10 Jan 1974). The Physics Test Reactor (PTR) which will be designed to first demonstrate scientific feasibility and later be converted to handle tritium for D-T burning experiments is briefly discussed. First wall flux calculations are described that considered the implosion heating physics and a thermonuclear burn calculation specifying the time history of neutron and bremsstrahlung pr…
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Description:
The major goal of this study was to achieve sustained cultivation of virulent T. pallidum in vitro. The putatuive binding of host proteins to the outer membrane (OM) of intact, virulent T. pallidum subsp. pallidum has been investigated. A major breakthrough was the development of a filtration assay, usinglow protein-binding membrane filters, for the measurement of substances bound to or incorporated into th eOM of T. pallidum. This avoided the conventional manipulations which can damage the fra…
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Description:
From Introduction: "In the present report a generalized exponential relation between pressure difference and normal flow is assumed which adequately describes porous-wall calibrations obtained experimentally at the Ames Laboratory and those presented in references 1 and 3."
Date:
August 1954
Creator:
Spiegel, Joseph M. & Tunnell, Phillips J.
Description:
This book is focused on the pretreatment of biomass, a necessary step for efficient conversion of the plant cell wall materials to fuels and other products. Pretreatment is required because it is difficult to access, separate, and release the monomeric sugars comprising the biopolymers within the biomass that can be further upgraded to products through chemical processes such as aqueous phase reforming or biological routes such as fermentation of the sugars to ethanol This resistance to degrada…
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Date:
January 1, 2013
Creator:
Davison, Brian H; Davis, Dr. Mark F.; Parks, Jerry M & Donohoe, Bryan
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