Symbol:∂ adj. 5. rising or descending by regular degrees of inclination. 6. progressing by walking; stepping with the feet as animals do. [1635–45; < Latin gradient-, s. of gradiēns, present participle of gradī to walk, go] Random House Kernerman Webster's College Dictionary, ...
2.Lack of discernment or long-range perspective in thinking or planning:"For Lorca, New York is a symbol of spiritual myopia"(Edwin Honig). [Greekmuōpiā, frommuōps, muōp-,nearsighted:mūein,to close the eyes+ōps,eye; seeokw-inIndo-European roots.] ...
VariableSymbolDimensionRemark tension force T m·kg/s2 rotational speed ω rad/s linear mass q kg/m per unit length radius R m We have four variables and three dimensions, therefore there is only one dimensionless variable, in this case a constant. The Dimensional Set is Sign in to do...
Fig. 3. The material characteristics of AA6061-O: (a) two tensile specimens; (b) engineering stress–strain curves. Table 1. Material properties of AA6061-O. PropertySymbolValue Young’s modulus E 68.2 GPa Density ρ 2.7 × 103 kg/m3 Poison’s ratio μ 0.3 Initial yield stress σ0 96....
Steel symbol/number: S235JRG2/1.0038. In Metal Forming Data of Ferrous Alloys—Deformation Behaviour, 2C1; Martienssen, W., Warlimont, H., Eds.; Landolt-Börnstein-Group VIII Advanced Materials and Technologies; Springer: Berlin/Heidelberg, Germany, 2009; pp. 126–131. [Google Scholar] ...
Steel symbol/number: S235JRG2/1.0038. In Metal Forming Data of Ferrous Alloys—Deformation Behaviour, 2C1; Martienssen, W., Warlimont, H., Eds.; Landolt-Börnstein-Group VIII Advanced Materials and Technologies; Springer: Berlin/Heidelberg, Germany, 2009; pp. 126–131. [Google Scholar] ...
The hollow symbol mark in Figure 18 represents the rated operating condition, where △SPL is 0.6 dB. Figure 19a shows the sound pressure level spectra of both the prototype and BFT fans at this operating condition, where the frequency is normalized by the blade passing frequency (BPF). The ...