| 1. | Test method for machine direction of paper and paperboard 纸和纸板的机器定向试验方法 |
| 2. | Standard test method for machine direction of paper and paperboard 纸和纸板机器定向的标准试验方法 |
| 3. | Standard test method for machine direction elastic recovery and permanent deformation and stress retention of stretch wrap film 张拉材料加工方向弹性恢复和永久变形和应力保持标准试验方法 |
| 4. | The locating box is composed of six knock - down boards , and the six machining direction according to those boards can be accociated with similar process 同时,使用六面可拆卸的寻位箱,工件可以分六个方位面进行加工,各个方位面加工工序均类似,因而工艺可以实现标准化。 |
| 5. | Then the micromachining system with depth control is consummated . and simulation is verified . beneath deflection mode , the effects of velocity , feed , machining direction and the load effects of both modes is studied by experiment 进一步研究了恒高模式下工作台速度、进给量、不同的刻划加工方向以及恒高、恒力两种模式下针尖负载对加工深度的影响。 |
| 6. | However , the cellulose chains of tubular films have obvious axial orientation with respect to the machine direction . moreover , the casting speed , draw down ratio and blow up ratio also have significant influences on the film mechanical properties and supermolecular structure 上述研究,对nmmo法纤维素膜的工艺条件、结构、性能和成形机理有了一个全面深入的认识,为该膜的进一步应用开发提供了实践指导和理论基础。 |