Abstract:Providing objective information about trail conditions, such as grade and width, will increase access and safety for all users, including people with disabilities. Through a collaborative process, the Universal Trail Assessment Process (UTAP) was developed to provide access information to trail… more
Abstract:Not Available All NASA Enterprises possesses large, complex databases. Those of the Earth Science Enterprise (ESE) consist primarily of satellite images. To analyze and use these voluminous amounts of data, NASA needs new database management methods that are efficient,
Abstract:Not Available We propose development of a novel, microscale mass spectrometer system for continuous monitoring of air and, perhaps, recycled water in spacecraft/habitat environments. Upon completion of the Phase I and II programs we anticipate delivering a prototype sensor characterized by small… more
There are several categories such as “By Agency”, “By Year”, “By State” etc.
Select a checkbox within a category to refine your search results.
Each of your selections is listed in the “Narrow Search Filters” bar. You can uncheck these selections to remove them.
Search for Either Criteria
When you select multiple values within a category, the results will include values that match either of the selections.
For example, selecting “2005” and “2007” in the “By Year” category will display results that include either 2005 OR 2007 in the results.
Narrowing the Search Results
You can refine your search results across categories. To narrow down your results, select multiple values across different categories. The results will only include values that match the selections across the categories.
For example, selecting “2005” in the “By Year” category and “NASA” in the “By Agency” category will only display the results that contain both “2005” AND “NASA” in the results.