The calculation error of sag of transmission line was analyzed.
分析了电力线路弧垂计算误差产生的原因,介绍了弧垂电算化程序的基本原理和状态方程式及其核心部分的实际应用,并指出应用该程序的优越性。
Experimental study on the effect of eutectic salts on pyrolysis of waste printed circuit boards (PCB);
熔融盐对印刷线路板热解影响实验研究
Experimental research on pyrolysis of polytetrafluoroethylene-printed circuit boards;
聚四氟乙烯型印刷线路板的热解实验
Reuse treatment of spent copper-containing etching solution for printed circuit board—Part II
印刷线路板含铜废蚀刻液的回用处理(二)
Analysis on pollution links in PCB process and cleaner production—part one;
印刷线路板产污环节分析及清洁生产──第一部分
Analysis on pollution links in PCB process and cleaner production — part two;
印刷线路板产污环节分析和清洁生产——第二部分
SENi/IG technology was applied for PCB surface finishing.
该技术用于印刷线路板表面精饰,镀层平整、电阻小、锡焊性好、耐磨性强。
Printed circuit board: A plastic base with a copper coating on to which the circuitry is printed with a protective layer of ink.
印刷线路板:在塑胶基片镀铜，
Research on the Recovery of Gold from Waste Printed Circuit Board;
废弃印刷线路板中金回收的试验研究
Conversion of bromine during the pyrolysis of waste printed circuit boards
废弃印刷线路板热解过程中溴的转化
Catalytic pyrolysis of waste printed circuit boards
废弃印刷线路板催化热解的试验研究
Review on Gold Leaching from PCB with Non-cyanide Leach Reagents
非氰试剂从废印刷线路板中浸金进展
Making Multi-purpose Printed Circuit Board by Oneself for Desigming and Making Circuit;
自制多用印刷线路板进行电路设计与制作
Analyzing of the Gas Products by Pyrolysis Analysis Experiment of Wasted Print Circuit Boards
废弃印刷线路板热解试验气体产物分析
Study on the Metals in PWB of Waste Computers
废旧电脑印刷线路板金属成分溶出的试验研究
Recover Gold from Waste Printed Wiring Board with Aqueous Two-phase System;
双水相体系提取废弃印刷线路板中的金
Study of Gold Recovery from the Waste Printed Circuit Board;
从废弃电子印刷线路板中提取金的研究
Research on the Recycling and Reutilization of Printed Circuit Board Scraps;
废弃印刷线路板的资源化回收技术研究
Study on Gold Leaching from Waste Printed Circuit Board by Iodide Process
碘化法从废弃印刷线路板中提取金的研究
Reuse treatment of spent copper-containing etching solution for printed circuit board-Part II
印刷线路板含铜废蚀刻液的回用处理(二)
Gold and Silver Selectively Leaching from Printed Circuit Boards Scrap with Acid Thiourea Solution
硫脲浸取回收废弃印刷线路板(PCBs)中的金银
Reuse treatment of spent copper-containing etching solution for printed circuit board-Part Ⅰ
印刷线路板含铜废蚀刻液的回用处理(一)
high density fine pitch printed circuit board
高密度细线距印刷电路板；高密度细线距线路板
Developments Progress of Cu Nano-particle for Printed Circuit Board
线路板印刷用Cu纳米粒子的研究进展
printed circuit board
ph.1. 印刷电路板