Abstract:Not Available Reading text-based communications and documents comprises a substantial portion of the daily activity of knowledge workers such as operations personnel, engineers, managers, and other NASA staff. A growing percentage of these text documents are available
Abstract:Bioconversion of lignocellulosic wastes to fuels and chemicals requires pretreatment to enhance conversion and reduce overall costs. Texas A&M University (TAMU) has tested a lime pretreatment process that is effective and low-cost. A significant element of the pretreatment cost is the lime… more
Abstract:Not Available The Mars Atmospheric Carbon Dioxide Freezer (MACDOF) is a low cost and low power refrigerating device that will condense carbon dioxide directly from the Martian atmosphere. This device can be used to provide the carbon dioxide feed required by many ISPP
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.