NASA Spinoffs: 30 Year Commemorative Edition, Commemorating International Space Year, 1992Sarah L. Gall, Joseph T. Pramberger Technology Transfer Division, National Aeronautics and Space Administration, 1992 - 118 頁 |
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第 1 到 5 筆結果,共 13 筆
第 47 頁
... metals . The resulting chair weighs only 25 pounds but has the same strength and weight - bearing capability as a 50 - pound stainless steel wheelchair . It can be collapsed for auto stowage , and features a solid seat , wheel guards ...
... metals . The resulting chair weighs only 25 pounds but has the same strength and weight - bearing capability as a 50 - pound stainless steel wheelchair . It can be collapsed for auto stowage , and features a solid seat , wheel guards ...
第 77 頁
... metal sheets . The tech- nology also helps reduce hull friction for vessels moving through water , which increases speed . The Boeing Com- pany , 3M , and the Flight Re- search Institute of Seattle , Washington collaborated on the ...
... metal sheets . The tech- nology also helps reduce hull friction for vessels moving through water , which increases speed . The Boeing Com- pany , 3M , and the Flight Re- search Institute of Seattle , Washington collaborated on the ...
第 78 頁
... metal pipes through which sun - heated water flows . Calmac president Calvin McCracken devised an innovative energy ... metal pipes were used ; corrosion- and temperature- resistant tubing ; and , perhaps most important , ease of ...
... metal pipes through which sun - heated water flows . Calmac president Calvin McCracken devised an innovative energy ... metal pipes were used ; corrosion- and temperature- resistant tubing ; and , perhaps most important , ease of ...
第 80 頁
... metal to create a foil- like effect . It's not a space - age invention ; in fact , the concept dates back to the 19th century . Metallization is , however , a prime example of how space use of an existing product or process sometimes ...
... metal to create a foil- like effect . It's not a space - age invention ; in fact , the concept dates back to the 19th century . Metallization is , however , a prime example of how space use of an existing product or process sometimes ...
第 81 頁
... - by - seven - foot personal tent / blanket and then folds into a three - ounce package the size of a deck of playing cards . Memory Metals Shape memory effect devices Certain metal alloys are. 81 Consumer / Home / Recreation.
... - by - seven - foot personal tent / blanket and then folds into a three - ounce package the size of a deck of playing cards . Memory Metals Shape memory effect devices Certain metal alloys are. 81 Consumer / Home / Recreation.
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