This demixing effect leads to the difficulties in the control of alloy composition of coating and in the design of composition of alloy cathode target.

这种离析效应导致了合金涂层成分控制及合金靶材成分设计的困难。

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This paper introduces the composition of coating equipment , analyses the working principle of the control system of electrical appliance and introduces the design plan of counting equipment.

介绍了镀膜机的组成，分析了电气控制系统的工作原理。同时对计数装置的设计方案做了较全面的阐述。

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A weather resistant IPN-improved acrylic polyurethane coating has been developed by controlling the composition of acrylic prepolymer and coating formulation.

通过调整丙烯酸组分的单体组成和涂料配方，研制出一种耐候性的IPN改性丙烯酸聚氨酯涂料。

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Observations of the material coating the dark face of Iapetus indicate it has a similar composition to the surface material on Phoebe.

BBC: New ring detected around Saturn