权威例句
PCB problems in the future: Foresight from current knowledgeForecasting PCB Concentrations in Lake Michigan Salmonids: A Dynamic Linear Model ApproachOptimum structure for single-sides PCB with SMD LEDs for the express cardPhotodechlorination of PCB's in the presence of titanium dioxide in aqueous suspensionsHigh-resolution PCB analysis: synthesis and chromatographic properties of all 209 PCB congenersAnalysis of polychlorinated biphenyls (PCB) by glass capillary gas chromatographyIon-migration reproduction & analysis of the PCB according to the environmental conditionsTowards a global historical emission inventory for selected PCB congeners--a mass balance approach 3. An updateMethod and structure for implementing enhanced electronic packaging and PCB layout with diagonal viasLED having improved soldering structure, method for soldering the LED to PCB, and LED assembly manufactured by the method