Educational software for fluid friction measurements is available.

可配合使用流体摩擦力测量的教学软件。

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An additive used in a fluid to improve its flow. Friction reducer are often made of polymer or resin material that forms a slick surface on solids.

为改善流体的流动在流体中所使用的添加剂。减阻剂常由聚合物或树脂材料制成，这些材料在固体颗粒上形成光滑的表面。

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Newton fluid's flowing in special pipe is analysed, it is gained that some factors affect the friction coefficient of flowing fluid in special pipe.

主要通过对流体流过非圆形直管的流动分析，得到影响非圆形直管摩擦系数的因素。

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Lead scientist Professor Nicholas Spencer suspected that this property could neutralise the effectiveness of the synovial fluid as a lubricant - increasing friction and wear in the hip implant.

BBC: Longer-lasting hip-joint hope