board drop hammer是什么意思

网络释义

用法例句

Cause Analysis on Unqualified DWTT of L360MB Pipeline Steel;

管线钢L360MB落锤不合格原因浅析

Cause Analysis of Unqualified DWTT of X70 Pipeline Steel;

X70管线钢落锤不合格原因浅析

Size, distributing, morphology and number of the MA island influencing yield ratio, yield strength and DWTT of the pipeline steel are introduced in the paper by analyzing influence of the MA island on mechanical properties in X70 and X65 pipeline steel.

通过力学试验研究分析管线钢X70、X65中重要组分MA岛对力学性能的影响,得出MA岛的尺寸、分布、形态、数量对管线钢的屈强比、屈服强度、落锤影响的规律。

Study of drop hammer impact sensitivity for big-bill explosives;

大药片落锤撞击感度研究

Study on equipment for drop hammer dynamic tear test;

落锤式动态撕裂试验装置

This paper mainly deals with the key technologies involved in a guide tracked drop hammer breaker, including the working mechanism of the drop hammer, the design conception and working principle of the hydraulic control system, Indoor tests conducted on the prototype show that main parameters have met the design requirements.

本文重点论述了导轨式落锤碎石机的关键技术─-落锤工作机构及其液控系统的设计思路、工作原理。

Response of a TiNi end-clamped beam under dropping hammer shock

落锤冲击下伪弹性TiNi合金固支梁的响应特性研究

Based on the research of the working feature of impactors of hydraulic crusher with dropping hammer,this paper presents two arrangements of hydraulic power system with constant displacement pump and variable pump,compares the rational arrangements and analyses the efficiency.

在研究液压落锤式冲击器工作特性的基础上，提出了定流量和变流量两种可行的液压动力系统配置方案，并对其合理配置途径及能量效率进行了分析和对比，由此计算出实用系列机型的能量效率。

The dynamic displacement ductility and ultimate load-carrying capability of three partially-prestressed concrete(PPC) beams which were unbonded,were experimentally obtained by applying impact load to their middle with dropping hammers,and the typical measurement wave curves were given.

通过在跨中施加一落锤冲击荷载的方法,研究了3根无粘结部分预应力混凝土梁的抗冲击性能,给出了典型的实测波形曲线,测得了无粘结部分预应力混凝土试验梁在落锤冲击荷载作用下的动态位移延性和极限承载能力,分析了落锤重力势能对预应力混凝土梁动力性能的影响,并根据相似模拟理论,得出了与试验梁相似的12 m跨度的实际无粘结部分预应力混凝土梁的极限抗冲击承载能力。

air-lift gravity drop hammer

蒸汽重力落锤;单作用空气锤;空气重力落锤

tearing strength by falling pendulum apparatus

落锤法撕破强力试验

The time interval between drops generally ranges from 10 to 12s.

落锤的时间一般相隔10到12秒。

Metallic materials--Drop-weight tear tests of ferritic steels

GB/T8363-1987铁素体钢落锤撕裂试验方法

falling-pendulum apparatus

落锤式织物撕破强力测试仪

crusher ,drop hammer for solid mineral materials

落锤式破碎机,用于固体矿物

Discussion on the numerical relationship between fallingweight and rebound deflections

落锤弯沉与回弹弯沉数值关系的探讨

To forge or stamp(a metal)between dies by the force of a falling weight such as a drop hammer.

落锻借落下重量（如落锤）的力锻造冲压模具间的金属

general rules for testing impact strength of rigid plastics by the falling weight method

硬质塑料的耐冲击性能的测定方法 (落锤法)

General test method for impact resistance of rigid plastics by means of falling weight

GB/T14153-1993硬质塑料落锤冲击试验方法通则

Test method for impact resistance of pipeline coatings(falling weight test)

管道防腐层抗冲击性试验方法(落锤试验法)

Establishment Application and Development of DWTT Method for Pipeline Steel

管线钢落锤撕裂试验方法的建立、应用及发展

FWD Apply to Detect Bridge Damage;

落锤式弯沉仪在桥梁损伤识别中的应用

The Development of Data Collecting and Controlling System for Falling Weight Deflectometer Test System;

落锤式弯沉仪数据采集控制系统的研制

Research on Portable Falling Weight Deflectometer Based on Embedded System;

基于嵌入式系统的便携式落锤弯沉测试仪研究

A Study on the UHMWPE/LDPE Composite Laminates under Quasi-Ststic Penetration and Drop Hammer Impact;

UHMWPE/LDPE复合材料准静态侵彻和落锤冲击性能研究

Factors Affecting DWTT Property of X80 Pipeline Steel

X80管线钢落锤撕裂性能的影响因素分析

Comparison between quasi-static indentation testing and drop-weight impact testing on delamination onset damage

复合材料静压痕与落锤冲击初始损伤对比试验