共 50 条
- [5] A modified Q4/Q4 element for topology optimization [J]. Structural and Multidisciplinary Optimization, 2009, 37 : 255 - 264
- [8] A Q4/Q4 continuum structural topology optimization implementation [J]. Structural and Multidisciplinary Optimization, 2004, 27 : 130 - 135
- [9] Wide rift between buyers and sellers over Q4 ethylene contract prices [J]. EUROPEAN CHEMICAL NEWS, 1997, 68 (1783): : 11 - 11