Detail specification for electronic components . case rated bipolar transistor for silicon npn high - frequency amplification for type 3da1722 电子元器件详细规范. 3da1722型硅npn高频放大管壳额定的双极型晶体管
Detail specification for electronic components . case rated bipolar transistor for silicon npn high - frequency amplification for type 3da 2688 电子元器件详细规范. 3da2688型硅npn高频放大管壳额定的双极型晶体管
Methods of enhancing the heat transfer in heat exchanger about the shell and tube sides are introduced and commented 介绍了管壳式换热器中管程、壳程的强化传热研究以及国内外推出的各种新型换热器的有关情况。
Blank detail specification for rectifier diodes including avalanche rectifier diodes , ambient and case - rated , for currents greater than 100a 大于100a ，环境和管壳额定的整流二极管包括雪崩整流二极管空白详细规范
Abstract : plate - shell heat exchanger ( pshe ) is new equipment of combining the advantage of shell and tube heat exchanger and plate heat exchanger 文摘:板壳式换热器是集板式换热器和管壳式换热器优点于一身的新型换热设备。
The structure of compound pipe shell used in high power traveling wave tube has been introduced , and then its welding technology is explained 摘要介绍了大功率行波管复合管壳的应用要求及结构，并对其焊接工艺要领进行了简要介绍。
Semiconductor devices - discrete devices - blank detail specification for bidirectional triode thyristors triacs , ambient and case - rated , for currents greater than 100a 半导体器件分立器件电流大于100a环境和管壳额定的双向三极晶闸管空白详细规范
Subsequently , we can get the chip s - parameter by adding the negative equipment circuit of the parasitic parameters in the s - parameter model of packaged device 之后，在有管壳封装器件的s参数模型中，加上负的寄生参量的等效电路，即可得到管芯的s参数。
Specification for harmonized system of quality assessment for electronic components - blank detail specification : case - rated bipolar transistors for low frequency amplification 电子元器件质量评定协调体系规范.空白详细规范.低频放大用管壳额定双极晶体管
Specification for harmonized system of quality assessment for electronic components - blank detail specification : case - rated bipolar transistors for high frequency amplification 电子元器件质量评定协调体系规范.空白详细规范.高频放大用管壳额定双极晶体管
