The paper introduces the method of drop impact test and cites the test examples and calculation for ABS and PVC rigid plastics plates.
介绍落锤冲击试验方法，列举ABS板材和PVC硬质塑料板材的试验实例和计算。
The failure mechanism of solder interconnections under sequential TC and drop impact test is different from that under single drop impact test.
研究表明单独的冲击载荷和顺序载荷下焊料微互连的失效机理是不同的。
The construction principle, mechanical properties, basic impact parameters and adjustment methods of cam-type drop impact test table are described.
阐述了凸轮式多次跌落冲击台的结构原理、力学性质、冲击参数及其调整方法。
The sequential thermal cycling (TC) and drop impact test is more reasonable to evaluate the reliability of lead-free solder interconnections compared with single TC test or drop impact test.
焊料微互连在热周期和跌落冲击顺序载荷下的可靠性研究更具有实际意义。
The secondary impact acceleration pulse which is produced by the drop-test can influence the testing parameters and cause fatigue and damage of components.
凸轮式跌落冲击台产生的次冲击能够影响试件的测试参数和性能，并能造成试件的疲劳损伤与失效。
The frame photograph of explosive samples under drop hammer test have a furcate structure, in which the fractal dimension of the explosive is related to its impact sensitivity.
炸药样品在落锤撞击下，其分幅图像具有分形结构，同时，它的分形维数与炸药感度有关。
The results showed that many factors influenced the American drop weight impact test, such as temperature, sample size and the moulding process of samples.
结果表明，美式落锤冲击试验受很多因素(如温度、试样尺寸和试样的成型工艺)影响。
Central impact tests between concrete blocks are performed by a pendulum test system and a drop weight test system.
采用单摆和垂直轨道装置进行了混凝土块体对心碰撞试验。
The impact experiments of concrete filled steel tubes with fixed-ends were carried out on the drop hammer test machine.
利用落锤式冲击试验机对两端固定不同壁厚钢管混凝土构件进行了侧向冲击实验。
Based on experimental test, a new impact type inertia separator with fluted tubes, with high efficiency and low pressure drop, used for circulation fluidized bed boilers is proposed by authors.
作者在试验基础上提出了一种用于循环流化床锅炉中的新型冲击式槽形管惯性分离器，它具有高效率、低阻力等优点。
The company can be accomplished within a product of high, low temperature, high humidity, shock, drop impact, life, anti interference test.
在公司内可以完成产品的高、低温、高湿、冲击、跌落撞击、寿命、抗干扰的试验。
To determine the reason of impact breakage of new developed plastic packing box for certain cannonball in drop test, this article derives the actual stress formulas in the position of impact breakage.
为确定新研制的某炮弹塑料包装筒在跌落试验中，产生冲击破坏的原因，通过理论计算和试验研究。
To determine the reason of impact breakage of new developed plastic packing box for certain cannonball in drop test, this article derives the actual stress formulas in the position of impact breakage.
为确定新研制的某炮弹塑料包装筒在跌落试验中，产生冲击破坏的原因，通过理论计算和试验研究。
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