PCB 行业受需求端主导，呈现周期性波动特征。主要由以下原因导致：PCB 被称为“电子产品之母”，是承载电子元器件并连接电路的桥梁，广泛应用于通信设备、汽车电子、消费电子等终端领域，涉及绝大部分终端电子产品，电子产品需求与宏观经济拟合度较高 ...

A new round of fish and soil sampling, removal and cleanup of polychlorinated biphenyls contamination will be done in early 2020 in and around Cocos Island, federal and local environmental experts ...

FORT EDWARD – Technicians will pull 30,000 samples of sediment from the bottom of the Hudson River in the most detailed testing project undertaken in more than two decades of PCB studies on the river.

某些PCBLayout工程师在进行PCB设计时，一般按老工程师给出的经验值或通过上网简单搜索得来的方法，对PCB走线宽度及过孔尺寸进行设计，往往没有时间或者也不愿意深入研究，因而无法做到有标可依、准确设计。那么，德力威尔王术平就带大家一起深入了解IPC ...

Mongmong-Toto-Maite Mayor Rudy Paco remembers too well his childhood years frequenting a portion of Agana Swamp and River, where he and his friends played and caught fish. "The water was murky with ...