Comparison of joint performance between weld-bonding and resistance spot welding of dual-phase steel The Study of Heat Transfer Enhancement by Twisted Insert 双相钢胶焊与电阻点焊接头性能对比分析螺旋内插件强化传热换热器的性能对比分析
Design of Intelligent Joint Gap Resistance Measurement and Its Control System 智能型轨缝电阻测量仪及其控制系统设计
Zhu Yuan Zhang ( King of Dynasty Ming) joint rostrum resistance forces to the intifada. 朱元璋联合各路反抗力量准备起义。
Respond to joint width changes without substantial resistance. 在无大量抗力情况下,对接缝宽度变化作出反应的。
To establish the national united front for joint resistance to the enemy, it is necessary properly to resolve certain internal contradictions, the principle here being that the solution should help strengthen and extend the anti-Japanese national united front and not weaken or narrow it. 为了建立民族统一战线共同对敌,国内的某些矛盾,必须给予适当的解决,其原则是应当有助于抗日民族统一战线的增强和扩大,而不是使其削弱和缩小。
The utility model provides a low-voltage joint with low connection resistance and easy use. 本实用新型提供了一种连接电阻低,使用方便的低压接头。
Two kinds of welded joint have good crack resistance, impact toughness, stretching and bending performance. 两种焊接接头都具有良好的抗裂性能、冲击性能、拉伸和弯曲性能。
Research on Corrosion Property of Double Submerged Arc Welded Joint for H_2S Corrosion Resistance Pipe 抗H2S用管双面埋弧焊焊接接头腐蚀性能研究
The operating condition point of centrifugal refers to the joint point of resistance curve of pipe line and characteristic curve of pump. 离心泵的工况点就是管道性能曲线与水泵性能曲线的交点,常采取更换叶轮或切削叶轮;
The effects of Al foil morphology, powder on the Al foil surface, thickness of Al2O3 film, lead quality, control of vivet joint on contact resistance were studied by the means of metallographical analysis and comparisons of contact resistances after rivet joint for Al foils. 通过金相分析和铝箔铆接后的接触电阻对比,研究了铝箔的腐蚀形貌、铝箔表面粉状物、氧化膜厚度、引线质量、铆接工序控制等对接触电阻的影响。
In a simulated joint map, modern optimization methods are used to determine the comprehensive shear strength contributed by the rock bridge and joint combination that offers the least resistance along a specified direction of enforced shear. 利用先进的优化方法,该模型用于在结构面模拟网络中搜索抗剪力最小的结构面&岩桥组合,从而研究裂隙岩体的结构面连通特性和综合抗剪强度。
Defects in joint for resistance spot welding of magnesium alloy 镁合金电阻点焊接头中的缺陷
Difficulties of fault standardization in transmission line joints infrared detection were analyzed. The regularity about the temperature near the fault joint is discussed theoretically. The resistance evidence about determining the fault standard and. 针对输电线路接头红外检测中故障标准难以确定的问题,从理论上分析了故障接头附近沿线温度分布的规律,提出了确定故障标准的电阻判据,为红外检测标准的制订提供了可靠的理论基础。
The text is in relevant determining geological parameters, internal water pressure, and external pressure premise, through the calculation of the initial fitting, analyzes and researches the surrounding rock by the pressure of the joint stability and resistance to external pressure. 本文是在确定相关地质参数、内水压力、外水压力的前提下,通过对初始缝隙的计算,进行了围岩与压力管道联合受力及抗外压稳定的分析研究。
This paper describes the results to research the joint characterization for resistance spot welds of aluminum and its alloy to titanium alloy. 本文对铝及其合金(L4、LD2)与钛合金TC4这两种物理性能相差极大材料的电阻点焊连接特征进行了研究。
Comparing the joint's load-bearing capacity and earthquake resistance performance among the joints with different stud bolt diameter and different connection plate thickness, researching some factor's influence on the work performance of the joint such as the high and strong stud bolt specification 、 connection plate thickness. 比较了不同螺栓规格和不同连接板厚度的节点试件的承载力和抗震性能,研究了高强螺栓规格和连接板厚度这2个因素对节点工作性能的影响;
Joint strength and thermal shock resistance of alumina ceramics to stainless steel joining 氧化铝陶瓷与不锈钢钎焊的接头强度与热震抗力
Adding appropriate amount of Bi can improve the wettability, joint shearing strength and the corrosion resistance distinctly. 添加适量质量分数的Bi能明显改善钎料的润湿性、接头剪切强度和钎缝抗腐蚀性;
Improvement Upon Quality of Tube-web-tube Joint Welded by Resistance Butt Welding 提高间断鳍片管电阻对焊接头质量的研究
Designing of Even Air-Suction Duct by Principle of Joint Resistance Balance 用节点阻力平衡原理设计均匀吸风管道
Experimental study on relation between width of circular construction joint and water pressure resistance of water stop in tunneling works 隧道工程环向施工缝张开度与止水条抗水压力关系的试验研究
Since laser weld is narrow, and the anode protection effect of zinc on the base metal was not destroyed, the joint has good corrosion resistance. 激光焊缝窄,基材锌层阳极保护作用得以保存,激光焊接板仍具有较好耐蚀性。
Nonlinear Analysis for Joint Resistance of Penstock and Reinforced Concrete Encasement Against Internal Pressure 钢管、钢筋与混凝土联合承载的非线性分析
The aluminum-steel cladding joint has excellent thermal fatigue resistance. 3. 铝-钢爆炸复合接头具有良好的抗热疲劳性能。
Under the vertical and horizontal force action the connections of frame on bi-direction compression enhanced joint stiffness and increase crack resistance in the core areas; by the theoretical derivation we get the anti-cracking checking formula of the pre-stressed prefabricated concrete frame joints. 在竖向和水平力的作用下,框架节点处于双向受压状态,节点刚度和核芯区抗裂性得到增强,理论推导出预压装配式框架节点的抗裂验算公式。
According to the shear resistance formula, there kinds of joint shear resistance in the experiment are calculated and checked, also the reliability of the shear resistance formula are tested. 根据抗剪承载力公式,对试验中的3种节点进行了抗剪承载力的计算与校核,验证了节点抗剪承载力公式的可靠性。
AC resistance is more sensitive to solder joint damage than DC resistance. 交流电阻较直流电阻对焊点损伤敏感。
By changing the joint parameters the influence of different parameters on the joint of fire resistance is determined. 通过改变节点的各项参数,确定不同参数对节点抗火性能的影响。
Change the size of column section and beam section can change joint fire resistance to varying degrees. 通过改变梁柱截面的尺寸可以不同程度改变节点的抗火性能。