Through-hole

research of fillet-lifting phenomenon in through-hole circuit soldered by sn-bi-ag-cu alloy

Sn-Bi-Ag-Cu钎料通孔焊点剥离现象试验研究

the research of through-hole reflow

通孔回流焊技术的研究

strength calculation and experiment research for die-sinking and through-hole procedure of bridge-building machine

造桥机开模与过孔过程强度计算与实验研究

both common shallow-hole blasting and through-hole blasting can be used for demolition of concrete ground.

混凝土地坪的爆破拆除既可以用常规浅孔破碎法也可以用透孔法。

demolition of concrete ground by through-hole blasting method

透孔法爆破拆除混凝土地坪

In those days, we still used through-hole parts.

在那些天，我们仍使用直插器件。

negative effect of chromium added to diet on pig breeding; research on acidic copper additives used in through-hole plating of pcb manufacture

养猪生产中添加铬制剂的负面效应研究印制电路板中通孔电镀铜添加剂的研究

Control system of the through-hole plating machine

孔金属化设备控制系统

effect of "through-hole" on porous aluminum alloy compressive mechanical properties

多孔铝合金连通孔对压缩性能的影响

the lift-off phenomenon in through-hole wave soldering with sn-ag-cu-bi solder was investigated by the simulation experiment.

采用在波峰焊过程中常用的Sn-Bi-Ag-Cu无铅钎料，进行了通孔波峰焊焊点剥离现象模拟实验。

the porous anodic alumina template with through-hole can be used conveniently to prepare nano-line and nano-pipe.

具有通透孔洞的阳极氧化铝模板可以方便地用于纳米线、纳米管等的制备。

fast spreading speed, suitable wetting ability, even in the case of small through-hole;

上锡速度快、润湿性适中，即使很小的贯穿孔依然可以上锡；

applying the software of ansys, based on the flat plat specimen, the finite element analysis about the wear resistance of bionic non-smooth through-hole specimen was given.

利用ANSYS软件，以平板试件为对比基准，对具有仿生非光滑通孔结构试件的耐磨机制进行了有限元分析。

process for direct through-hole plating of printed circuit board

印刷电路板孔直接金属化工艺的研究

Electro-chemical Detachment Process of Through-hole Porous Anodic Alumina Membrane

通孔氧化铝模板的强脉冲电化学剥离研究

this system has the advantage of simple circuit, low cost and easy program, and can be used in various control systems of through-hole plating machine.

该系统具有电路简单，成本低，软件易于实现等优点，适合在各种孔金属化设备的控制系统中采用。

prediction on response to the thermal fatigue of through-hole solder joint i. experimental research of solder joint response to the thermal fatigue

通孔元件焊点的抗热疲劳性能预测Ⅰ.焊点抗热疲劳能力的实验研究

standard surface-mount technology or through-hole techniques provide adequate performance.

标准表面贴装技术或通孔技术提供足够的性能。

components with right angle through-hole structure and lead angle through-hole structure were designed, and experiment on its lubrication friction characteristic was performed on the jf-150 bench test.

设计了有倒角通孔及无倒角通孔形仿生结构试件，并在JF-150型摩擦试验机上进行了润滑摩擦试验，探讨了通孔形仿生结构对摩擦副的磨擦、磨损影响特性。

study on drilling tests of pcb through-hole drilling

钻PCB通孔钻切削性能的钻削试验研究

finite element analysis of wear resistance mechanism of bionic non-smooth through-hole

仿生非光滑通孔耐磨机制有限元分析

in this paper, the principle of the through-hole blasting method is introduced and the blasting parameters of shallow-hole method and through-hole method are compared.

本文介绍了透孔法的基本原理，对常规浅孔法和透孔法主要爆破参数进行了比较；

with a practical example, the advantages and disadvantages of the through-hole method, relative to the common shallow-hole method, are expounded.

利用一个实例，阐述了透孔法相对于常规浅孔法的优、缺点；

in recent years, electroless copper have important applications in circuit board pcb through-hole plating.

近年来，化学沉铜在线路板PCB通孔电镀中具有重要的应用。

the final product showed that the experiment results from drilling and plasma desmear through-hole in rigid-flex zone greatly improved the reliability of metallized through-holes.

最终产品显示，金属切削刚挠结合区通孔，等离子清洗通孔等实验的结果大大地提高金属化孔的可靠性。

orthogonal test investigate on wear property of bionic through-hole

仿生通孔形结构磨损特性正交试验研究

detection of the through-hole defect in concrete by photography

混凝土贯穿空洞的摄影探测

Effective ways to raise through-hole rate of high-strength bolts for steel structures

提高钢结构高强螺栓过孔率的有效途径

fabrication technology of micro through-hole on silicon wafer

硅基片微型通孔加工技术

research on acidic copper additives used in through-hole plating of pcb manufacture

印制电路板中通孔电镀铜添加剂的研究