查询词典 percussion hammer

They have many years of production history, with injection molding machines, twin-screw extruder, drop hammer impact test machine, such as the most advanced production equipment and testing equipment, the annual production of various kinds of pipe, pipe fittings 15,000 tons.

具有多年的生产历史，拥有注塑机、双螺杆挤出机、落锤冲击试验机等国内最先进的生产设备与检测设备，年生产各类管材、管件1.5万吨。

A method of drop hammer impact sensitivity test for big-bill explosive was developed.

设计建立了一种炸药大药片撞击感度试验方法，落锤质量为20 kg、落高度为0~15 m，对规格20 mm×5 mm、重约2.8 g的大药片进行撞击感度测试。

Considering the limitation of the shock experiment of a drop hammer, a shock simulation experiment platform is used to test the shock characteristics of isolators.

针对落锤冲击试验的不足，提出了减振器冲击特性的模拟台测试方法。

But this year is different, Paimaishi quotations, there are short cold market, everyone carrying around measuring calculators, drop hammer is going to be gathered to offer their own new price, more cautious than in the past.

而今年却不同，拍卖师报价后，总有短时间的冷场，大家拿着计算器左右衡量，到快要落锤时才举牌报出自己的新价，比过去谨慎多了。

The dynamic contact of the drop hammer with the laminate was simulated by geometric contact model provided by ABAQUS/Explicit code.

在冲击动态接触过程的处理上，则采用了ABAQUS中主从面几何接触模型，直接利用冲击物的初始速度条件和几何边界条件，将落锤冲击与复合板的变形和破坏进行联立求解。

Impact loading is applied by drop hammer rig.

在落锤装置上进行了充满水的圆柱壳经受大质量低速轴向撞击作用时屈曲过程的实验研究，记录了经受撞击时冲击力和液体内压的时程曲线。

The experiments include low speed compression, drop hammer and SHPB impact test. Some important phenomena and experimental data are obtained from the experiments. These experiments had rarely been done before, for example, the impact experimental result under higher speed has not been reported in the academic journals.

实验包括低速压缩实验、落锤冲击实验和SHPB冲击实验；通过实验得到了一些重要的实验现象和资料，这些实验有些在国内是首次进行的，尤其是泡沫塑料较高速度的冲击实验，国外的报道也极为少见。

Or stamp between dies by the force of a falling weight such as a drop hammer.

落''。'锻'。''借落下重量的力锻造冲压模具间的金属

Because of its simplicity and convenience in use, drop hammer test machine is increasingly turned into the situation of important test equipment for studying impact capability of isolator.

落锤试验方法，因装置结构简单，操作方便，现已成为在隔振器冲击性能研究领域中重要的手段。

Compared with the shock experiment of the drop hammer, the experiment method accords with the principle of shock isolation, and hence the shock testing results are better reference parameters for the engineering application.

相比落锤冲击试验而言，本测试方法符合冲击隔离原理，因而测试结果对于工程应用具有更好的参考价值。

However it can often be frust ating for a child when people are unable to pronounce their name.

但它往往可以令人沮丧的一个孩子当人们无法断言他们的名字。

All these compounds were obtained from this genus for the first time. Compound, 4-cumylphenol, was a new nature product.

所有化合物均为首次从本属海藻中分离得到，其中4cumylphenol为新天然产物。