{ "item_title" : "NIST Technical Note 1731 Helium Dispersion in an Attached Single-Car Residential Garbage with and Without Vehicle", "item_author" : [" U. S. Department of Commerce "], "item_description" : "The dispersion and loss of helium inside a single-car residential garage attached to a single-family house was experimentally characterized by recording time-resolved helium concentrations at multiple locations in the garage and at a single location in the house during and following helium releases near the floor of the garage. Helium served as a surrogate for hydrogen for safety reasons, and helium release rates were adjusted to provide the same constant volume flow rate as that required to release 5 kg of hydrogen over a four hour period.", "item_img_path" : "https://covers4.booksamillion.com/covers/bam/1/50/247/363/1502473631_b.jpg", "price_data" : { "retail_price" : "16.99", "online_price" : "16.99", "our_price" : "16.99", "club_price" : "16.99", "savings_pct" : "0", "savings_amt" : "0.00", "club_savings_pct" : "0", "club_savings_amt" : "0.00", "discount_pct" : "10", "store_price" : "" } }

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