Handbook of usability testing

Ngày tải lên: 05/10/2012, 09:53

Ngày tải lên: 18/03/2013, 01:45

... indicating no effect of the order of the testing situation Table shows data from the in-home testing The majority of the consumers (80%) tasted the cheese samples without any kind of bread, while ... More than half of the consumers were drinking water while testing the cheese samples and 16% used other beverages About 50% of the consumers did the testing alone Fig Illustrat...

Ngày tải lên: 03/04/2013, 21:07

... Spectrum” The Resource Handbook of Electronics Ed Jerry C Whitaker Boca Raton: CRC Press LLC, ©2001 © 2001 by CRC PRESS LLC Chapter Electromagnetic Spectrum 3.1 Introduction The usable spectrum of electromagnetic-radiation ... and business aspects 2.2 The History of Modern Standards In 1836, the U.S Congress authorized the Office of Weights and Measures (OWM) for the primary pur...

Ngày tải lên: 17/10/2013, 11:15

... that you design 41.7.2 Three Positions of a Plane When three positions of a plane are specified by the location of line CD, as shown in Fig 41.9, it is possible to construct the center of a circle ... number of links (fixed link included) j = number of joints ft = /of /th joint K = integer = for plane, spherical, or particular spatial linkages = for most spatial linkages Since...

Ngày tải lên: 17/10/2013, 12:15

... 1011 8-2 , each allowing use of any n-bit block cipher E and providing hash-codes of bitlength m ≤ n and m ≤ 2n, respectively Hash function Matyas-Meyer-Oseas Davies-Meyer Miyaguchi-Preneel MDC-2 ... produce 128-bit hash-codes The general construction, however, can be used with other block ciphers MDC-2 and MDC-4 make use of the following pre-specified components: Handbook of Appl...

Ngày tải lên: 17/10/2013, 16:15

... powers of Governors, the dates of the Roman aqueducts, how many pounds of rice going without three beers a day would buy, the average annual temperature of Augusta, Maine, the quantity of seed ... instead of biting off the end of it like a calf chewing off the tail of a shirt on a clothes- line?" "I put it to you straight, Sandy," says Idaho, quiet "It's a poem book," says he,...

Ngày tải lên: 18/10/2013, 00:15

... sampling until injection to GC, and from the standard solution to a test specimen) In principle, the sampling, extraction and GC analysis should be made at low temperature, in a gastight state and ... transformation in rats J Pharm Sci 74:780–782 10) Kielbasa WB, Bauer JA, Fung HL (1999) Analysis of isobutyl nitrite inhalant in rat and human blood: application for ph...

Ngày tải lên: 18/10/2013, 00:15

... GC/MS analysis for DAEMS in serum (a) a total ion chromatogram (TIC) and a mass chromatogram; (b) an EI mass spectrum of DAEMS; (c) a CI mass spectrum of DAEMS Poisoning case, and toxic and fatal ... GC/MS analysis for EMPA in serum (a) a TIC and mass chromatograms; (b) an EI mass spectrum of the t-BDMS derivative of EMPA; (c) a CI mass spectrum of the same...

Ngày tải lên: 18/10/2013, 00:15