aircrew training devices: instructional support features

this report presents relationships between aircrew training device (atd) instructional support features and training requirements instructional support features include atd hardware and software capabilities that permit instructors to manipulate, supplement or otherwise control student learning experiences. the instructional features addr..

hybrid fuels for highway transportation. second annual technical progress report for the period 1 june 1979-1 june 1980

a program has been developed to investigate the potential of hybrid fuels for use in highway transportation. hybrids are fuels derived from combinations of readily available energetic non-conventional materials with petroleum. they are generally formulated as solutions, emulsions, or slurries. the underlying objective of the program is to..

production of non-food-chain crops with sewage sludge

feasibility and market potential were determined for non-food-chain crops cultivated using sewage sludge. non-food-chain crops that are currently being sold on the open market or that have a good potential for marketability were selected. from a list of 20 crops, 3 were selected and subjected to a cost analysis to determine how the costs ..

pipeline accident report - the chaparral pipeline, explosion and fire, ackerly, texas, september 27, 1981

at 1:38 p.m., c.d.t., on september 27, 1981, near ackerly, texas, the chaparral pipeline, a refined petroleum products 12-inch steel pipeline owned by the santa fe pipeline company, was damaged by a rathole drill bit; the wall of the pipe was weakened, and it ruptured under the 1,100 psig operating pressure. the ethane-propane mixture in ..

historic settlement in the upper tombigbee valley

the cultural heritage of the area traversed by the tennessee-tombigbee waterway between gainesville, alabama, and paden, mississippi, in historic times has been examined in historical perspective. the area prospered from cotton cultivation with a slave labor until 1860, which was its peak year of prosperity. a considerable part of the pop..

historical geography of the upper tombigbee valley

the cultural heritage of the area traversed by the tennessee - tombigbee waterway between gainesville, alabama, and paden, mississippi, in historic times has been examined in geographical perspective. settlement patterns are related to four physiographic divisions; fall line hills, black belt prairie, pontotoc hills, ripley cuesta, and to..

evaluation and development of satellite inferences of convective storm intensity using combined case study and thunderstorm model simulations

observational requirements for predicting convective storm development and intensity as suggested by recent numerical experiments are examined. recent 3d numerical experiments are interpreted with regard to the relationship between overshooting tops and surface wind gusts. the development of software for emulating satellite inferred cloud..

agricultural outlook, may 1982

many crop producers have reserved the option of cutting production, in return for loan and target-price protection under the 1982 acreage-reduction program; signups processed by april 16 covered 74 percent of the acreage base for corn and sorghum, 71 percent for barley and oats, 84 for wheat, 90 for rice, and 91 for cotton. the large 1981..

power plant information systems data entry: reducing labor and costs. final report

most utilities building or operating nuclear power plants use computer-based records management systems. these systems are labor-intensive; costs associated with data entry account for three-fourths of the total yearly costs. the objective of this effort was to identify hardware- and software-related innovations which can reduce the amoun..

operation buster, project 2.4a. protective value and ignition hazards of textile materials exposed to thermal radiation

no abstract available