the design of everyday things pdf norman
The design of everyday things don norman
... available from the appearance of the objects the psychology of everyday things And part comes from the ability of the designer to make the operation clear, to project a good image of the operation, ... asked about the new The Design of Everyday Things 1.4 Plate Mounted Over the Dial of the Telephones at the University of Michigan These inadequate instructions are all that most users see (The button ... recorder (VCR) so intimidating The Psychology of Everyday Things This book is about the psychology of everyday things POET emphasizes the understanding of everyday things, things with knobs and dials,...
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Tài liệu The Design of Rolling Bearing Mountings P2 pdf
... roughening of the surfaces (increased running noise) Work end Bearing dimensioning The size of the bearings is dictated by the shaft diameter, which in turn is based on the anticipated vibrations The ... in the rolling gap In order to still achieve the thickness tolerances of the sheets in the micrometer range, the deflection is compensated for by inclining of rolls and and by counterbending of ... this end The two spindle bearings FAG B7030E.T.P4S.UL are mounted in O arrangement The bearings of the UL universal design are lightly preloaded by clamping the inner rings axially The bearing...
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Báo cáo Y học: Monitoring the structural consequences of Phe12 fi D-Phe and Leu15 fi Aib substitution in human/rat corticotropin releasing hormone Implications for design of CRH antagonists pdf
... active conformation of the hormone [38,40] The changes engineered in the sequence of the peptide, either through the nature of the side chain of the new amino acids or through their non-native conformational ... imposed by the introduction of the novel residues in the sequence of the molecule and the differences between the CRH analogue and the native structure [15] are also discussed The major goal of our ... the exposure of the hydrophobic core of Phe12, Aib15 and Val18 to the solvent, while establishing the structural basis for the side-chain interaction of the charged residues Arg16 and Glu20 The...
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The Design of the Borealis Stream Processing Engine pdf
... each of these metrics is optionally a component of the VM, the end-point monitor can keep statistics on the components that are in VM Together with the vector of weights, these statistics allow the ... improving the latency of the other branch will have no observable effect at the output) In the case that no information is available from the end point monitor concerning the source of the problem, then ... segments along these four dimensions, which indicates the relative importance of each of these components to the end-point QoS The most interesting of these dimensions, lifetime, is the mechanism...
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The design of mat foundations
... below the active soil zone Expansive soils are most prevalent on the Atlantic and Gulf coastal plain and in some areas of the central and western United States Photograph of the construction of the ... Increase of stress under the center of a flexibly loaded rectangular area Therefore, the average pressure increase in the clay layer is, ∆qavg = (92.3 + 4(78.8) + 69.8) = 79 psf The pressure po at the ... 11,000 kN Step Find the soil pressures at the mat invert Find the centroid of the column loads (location of the resultant R) with respect to a new x’y’ coordinate system located at the lower left...
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Tài liệu The Determinants of Metropolitan Growth pdf
... determined directly by the size of a state’s economy (Income or Output) : imports (M), Federal Taxes (T), consumption or savings (S) and profits earned in the state (π) • Other variables are determined ... determined by forces largely outside of the region and serve to bring money into the state, generating growth and ultimately determining state size (level of income or output): - Exports (X) - ... growth in activity, level of activity N: national growth of activity • Share: a matter of timing • Mix: Historic industrial structure • Competitive: “our” companies versus “theirs” [innovation –vs-...
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Tài liệu Dynamic Reconfiguration of Indoor Combination Networks Through the Use of Patch Panels pdf
... the functionality of SJ-2000 jacks The use of this jack allows instantaneous signal rerouting Patch panels act as the mechanical support for the jacks The two rear connectors are bridged as the ... resulting in the following advantages: • As the ratio changes, there is no effect on the fixed cabling as all the fixed cabling is on the rear side of the patch panels • Changes can be made without ... Rec N The following diagram illustrates how, with the addition of patch panels, an operator can change the ratio of optical nodes attached per upstream input in the CMTS, resulting in the following...
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