what variation rule of impact toughness and drop weight tear test with temperature were displayed. the high toughness of pipedesign steel could meet the requirement of pipe steel.

给出了沖击韧性和落锤撕裂性能随温度变化的规律，这种管线钢能够满足管线设计的需要。

all data is from injection molded specimens with the exception of drop weight impact.

所有数据是从注射成型用的落锤沖击异常标本。

quasi-static and dynamic compression experiments of carbon fiber reinforced epoxy resin matrix composite cylinder structures are implemented by nyl-200d testing machine and drop weight equipment.

利用nyl-200d型压力实验机和落锤装置对圆筒形碳纤维增强环氧树脂基复合材料结构进行了準静态和动态沖击压缩实验。

the method and standard of drop weight tear test were described. it was also discussed how to evaluate the capability of pipeline steel to transit from toughness to fracture by dwtt.

论述了落锤撕裂试验的方法和标準，并对用dwtt来评定管材及其焊接接头的韧脆转化能力进行了探讨。

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 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，美式落锤沖击试验受很多因素（如温度、试样尺寸和试样的成型工艺）影响。

the effective thermal input of pulse flash process is large, it can help reduce the drop weight test fracture of flat spot, which is suitable for welding u75v rail.

脉动闪光工艺的有效热输入大，有利于降低落锤断口灰斑，适合焊接u75v钢轨。

the drop weight velocity during impacting was obtained and recorded by a velocity transducer and the corresponding signal processing system.

利用传感器技术记录了落锤沖击板过程中速度随时间变化曲线，计算了沖击动能和材料损伤时的能量吸收。

quantitatively, the effect of temperature on the solubilizing capacity was investigated , and three component phase diagrams were drawn with drop weight method in different conditions.

定量方面，作了有关温度变化对增溶量的影响，并绘制了不同条件下的三元相图；定性方面，利用紫外吸收光谱法，研究了薄荷油在胶束内的增溶环。

i’ve been riding this thing constantly since i returned from alaska, and it’s helping me drop the weight. also helping me drop weight is…

从阿拉斯加回来后，我经常骑着它东跑西颠，还成功瘦身。

while it\\\「s true that dieters who forsake bread and gorge on bacon tend to drop weight (at least in the short-term), it\\\」s never been clear why.

当减肥者真的放弃了面包和狼吞虎咽火腿的时候会有变轻的的趋势（起码在短期内是这样）。人们从没弄清楚这是为什么。

low speed impact tests for inducing damage are conducted on nepe (nitrate ester plastized polyether) by using the large scale drop weight apparatus.

以大型落锤为加载手段，对高能nepe推进剂试样产生损伤。

the nil-ductility transition temperature of ah36 ship plate is -25℃ which is determined by drop weight test method.

无塑性转变温度是安全设计的重要参量，广泛应用于材料研究和产品质量控制过程。

the nil-ductility transition temperature of ah36 ship plate is -25℃ which is determined by drop weight test method.

利用落锤试验方法，测定了ah3 6级船板的无塑性转变温度为-2 5℃ ，并对试验结果进行了评定。