This article deals with topics in the critical process involved in the CQFP;such as metallization paste,precision large scale printing, big cavity iso-static pressing,pull strength for fine wire and its future directio.
文中叙述了CQFP陶瓷四边引线扁平外壳工艺研究中的关键工艺技术,如:金属浆料的配制工艺技术、大版精细印刷工艺技术、大腔体层压工艺技术、细引线拉力强度工艺技术等,以及今后努力的方向。
Calculation of tension acting on arbor in process of extruding aluminium alloy tube without lubrication;
铝合金管材无润滑挤压穿孔针拉力的计算
Analysis of tension and displacement of geomembranes placed on landfill slopes;
垃圾填埋场边坡上土工膜的拉力与位移分析
Study on Newton Iteration Method of Sketch and Tension of Suspension Rope;
牛顿迭代法悬索线形与拉力的研究
Relationship between pulling force and major chemical components in flue-cured tobacco leaves;
烤烟拉力与主要化学成分的关系研究
The extrusion length is mainly determined by arbor strength when aluminium alloy tube is extruded without lubrication based on the calculation of arbor′s pulling force.
根据对穿孔针所受拉力的计算 ,得出如何确定无润滑挤压铝合金管材时合理的铸锭长度 ,以减少挤压时的断针现象。
The conclusion is obtained from the analysis and calculation on the forces encountered by the recoiling partition of guns during recoiling action that the pulling force produced by artificial recoiling oil cylinder can meet the requirement when the recuperator supplies the air at 8.
5MPa时,人工后坐油缸拉力能满足使用要求的结论。
According to the question texted such as awl head does deeline, one is drawn press the experiment in the pole and very beginning spiral shell of awl hole and concentric pull text of an axes of pole .
包括锥头偏斜杆件拉、压试验;锥头螺孔与杆件轴线不同心拉力试验等。
The cement-mixed pile in composite soil nailing wall is helpful for the reductions of the horizontal deformation of deep excavation and the pull of soil nail.
结果表明,设置不同排数的搅拌桩对于复合土钉墙的受力机理、变形特性、土钉拉力大小及分布均有较大影响,1~2排搅拌桩较为合理,过多的搅拌桩排数可能会导致复合土钉墙出现重力式挡墙的受力、变形性态,增加上部土钉的拉力。
In rectilinear motion,the extremum of pull(F)varies with the factor;angleθ=α=arctgμ(μ:friction factor;angleθ:the angle between the direction of pull and the motion direction).
在直线运动中拉力F的极值随摩擦系数 μ的变化而变化 ,当θ=α=arctgμ( μ为摩擦系数 ,θ角为拉力F和运动方向的夹角 )时 ,F有极小