Abstract: Piezoelectric actuators are particularly interesting in high-speed precision flow control valves due to their fast dynamic response and simple structure. However, concurrently improving the ...

Choose the VFD control mode based on the ratio of the system pressure to maximum internal pump pressure. For a centrifugal pump delivering to a system with high operating pressure and or high static ...

Should you have feedback on this article, please complete the fields below. Please indicate if your feedback is in the form of a letter to the editor that you wish to have published. If so, please be ...

在液压与气动系统的 设计、维护和故障排查中， 回路图是不可或缺的 “语言”。掌握各类 元件符号及其功能，能帮助我们快速理解系统工作原理。本文将详细介绍流体回路图中 常见的元件分类、符号及核心功能，为你解读这门 “机械语言” 提供实用指南。

Muscle contraction is a vital function of animal life. The troponin complex regulates striated muscle contraction and relaxation by transducing Ca 2+ signal to modulate actin–myosin interactions where ...

Notch1 is expressed uniformly throughout the mouse endocardium during the initial stages of heart valve formation, yet it remains unclear how Notch signaling is activated specifically in the AVC ...

为促进石油、化工及天然气工业领域内离心泵技术的交流与应用，泵友圈隆重推出API标准610第12版（中英文对照版）连载发布，该文章由中石化工程公司专业人士撰写，旨在为行业专业人士提供详实的参考资料，同时也是学习专业英语好素材！本次连载计划共计20期 ...

In August’s column, I discussed three-way control valves, their associated bypass pipes, and the importance of a balancing valve being located within the bypass pipe. Such balancing valves are needed ...