This paper through theory analysis and practice technics operation, analyse the factor of PDP product quantity, find out a way to improve the quantity of PDP product.
通过理论分析及实践工艺操作，对影响PD P产品质量的某些因素作了较为详尽的分析，着重分析了提高清洗质量的方法。
Because vertical via interconnect is the base of theoretical analysis and package technics of MMCM, further study on vertical via interconnect is very vital and instructive to reality.
垂直通孔互连是微波多芯片组件封装工艺和理论分析的基础，开展垂直通孔互连的研究有着现实的意义。
Methods:using starch waste water as fermenting medium, strains screening, fermenting technics optimization, GC analysis of oils were studied.
方法：以甘薯淀粉废水为发酵基质，进行菌株筛选、发酵工艺优化及油脂成分的气相色谱分析。
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