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1·The large dynamic testing devices in the US are listed and the drop hammer test is introduced as an alternative test.

对部分测试内容进行了着重讨论，并列出了美国大型动力测试设备的情况。

2·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。

3·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。

4·Pouwelse says that the team now needs a few thousand volunteers to hammer on the software in order to produce enough test data for the team to use as it continues to refine the code.

Pouwelses介绍说，目前P 2 P - Next项目需要数千志愿者来大量使用这个SwarmPlayer软件，以提供足够多的测试数据，从而使得项目组可以利用这些检测结果不断的优化代码。

5·If you cannot test geothermal heating principle to the construction, and the ground is absolutely not allowed to drill hammer and hammer nails, to prevent the destruction of the heating coil.

如果无法进行地热加温试验原则上不给施工，而且地上绝对不允许电锤打眼和锤钉，防止破坏加热盘管。

6·Hammers - Technical specifications concerning steel hammer heads - Test procedures.

锤子。钢锤头技术规范。试验规程。

7·Unbound and hydraulically bound mixtures - Part 4: test methods for laboratory reference density and water content - Vibrating hammer.

松散的和液力粘合的混合料。第4部分：实验室参考密度和水含量的测试方法。振动锤。

8·YZX127 hydro hammer used for full face drilling is described with its structural characteristics, performance parameters and laboratory test results as well as the application prospects introduced.

介绍了用于全面钻进的YZX127型液动潜孔锤的结构特点、性能参数、室内岩样实钻试验效果，展望了其广阔的应用前景。

9·The basic principle of simple high strain pile test method transformed from measured free fall of drop hammer is given in this paper.

给出测量自由落锤的加速度换算高应变试桩的动力的简易法的基本原理、测试操作与工程应用。

10·The upsetting test of metal powder sintered preform by blow speed of the hydraulic press, crank press, pneumatic hammer and high energy rate forging hammer was reported.

研究了用液压机、曲柄压力机、空气锤及高速锤的打击速度对粉末冶金烧结体进行的镦粗试验。