Results 71 to 80 of about 3,546 (197)
Status of sonic boom methodology and understanding [PDF]
In January 1988, approximately 60 representatives of industry, academia, government, and the military gathered at NASA-Langley for a 2 day workshop on the state-of-the-art of sonic boom physics, methodology, and understanding. The purpose of the workshop
Darden, Christine M. +4 more
core +1 more source
Salt‐induced nutritional and metabolic shifts in halophytes: implications for food security
Journal of the Science of Food and Agriculture, EarlyView.Abstract Plant species vary in their response to salinity: some crops show a degree of salt tolerance, while halophytes – whether wild or cultivated – are characterized by a high capacity to thrive under saline conditions. Halophytes are considered a source of valuable secondary metabolites with potential economic value, yet they might also produce ...
Giulia Atzori +9 more
wiley +1 more source
Mathematical Methods in the Applied Sciences, EarlyView.ABSTRACT This paper proposes a novel extension of the classical cobweb price model by incorporating behavioral inventory responses through an anticipatory mini‐storage mechanism. In many real‐world commodity markets, persistent price oscillations occur even when classical stability conditions are theoretically satisfied, an inconsistency traditional ...
M. Anokye +6 more
wiley +1 more source
Neurourology and Urodynamics, EarlyView.ABSTRACT Introduction Overactive bladder (OAB) is defined as urinary urgency, usually accompanied by increased daytime frequency and/or nocturia, with urgency urinary incontinence (OAB‐wet) or without (OAB‐dry), in the absence of urinary tract infection or other detectable disease.
John E. Speich +9 more
wiley +1 more source
Aerothermodynamics research at NASA Ames Research Center [PDF]
Research activity in the aerothermodynamics branch at the NASA Ames Research Center is reviewed. Advanced concepts and mission studies relating to the next generation aerospace transportation systems are summarized and directions for continued research ...
Deiwert, George S.
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Psychology in the Schools, EarlyView.ABSTRACT The manifestation determination review (MDR) is a pivotal element in providing equitable access to education for students with disabilities. This systematic review examines litigation concerning MDRs with an explicit focus on federal challenges to the relationship test (i.e., Was the problem behavior directly and significantly related to the ...
Justin P. Allen +6 more
wiley +1 more source
The aerodynamic challenges of the design and development of the space shuttle orbiter [PDF]
The major aerodynamic design challenge at the beginning of the United States Space Transportation System (STS) research and development phase was to design a vehicle that would fly as a spacecraft during early entry and as an aircraft during the final ...
Gamble, J. D. +9 more
core +1 more source
PLANTS, PEOPLE, PLANET, EarlyView.Climate extremes threaten the sustainability of cranberry production, a culturally and economically important North American crop. This study demonstrates that wild cranberries (Vaccinium oxycoccos) harbor genetic variation that may enhance cold stress resilience when introduced into cultivated cranberry through hybridization.
Audrey Dickinson +5 more
wiley +1 more source
Use of magnetic sails for advanced exploration missions [PDF]
The magnetic sail, or magsail, is a field effect device which interacts with the ambient solar wind or interstellar medium over a considerable volume of space to generate drag and lift forces.
Andrews, Dana G., Zubrin, Robert M.
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Structural Analysis and Inhibitor Modeling of Bacterioferritin From Brucella abortus
Proteins: Structure, Function, and Bioinformatics, EarlyView.ABSTRACT Iron homeostasis in various pathogenic bacteria is regulated by bacterioferritins (Bfr) which function to store Fe3+ and release Fe2+ as needed for metabolic processes. The Bfr structure consists of 18 kDa subunits in which dimer pairs bind a heme molecule and are assembled into a highly symmetrical 24‐meric spherical structure with an ...
Lijun Liu +9 more
wiley +1 more source