The influence of high molecular polymer additive on the structure of jet is studied.
用试验方法对淹没状态下高分子添加剂射流轴向动压力分布进行了研究。
The drag of flow in pipes can be greatly reduced by adding a very small amount of high molecular polymer to water.
在清水里加入微量的高分子聚合物，可以大大降低管路阻力。
The preparation and application of high molecular polymer ultrasound contrast agents were reviewed in this article.
本文就高分子材料超声造影剂的制备及其应用研究进展作一简要综述。
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