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Transition metal selenides have emerged as promising anode materials for sodium ion batteries (SIBs) while the large-scale application remains a challenge due to the inferior rate performance and short cycling life. Herein, the “flower-like” porous carbon anchored by Zn-Mn binary selenides...
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The performance of Heating, Ventilation and Air Conditioning (HVAC) systems may fail to satisfy design expectations due to improper equipment installation, equipment degradation, sensor failures, or incorrect control sequences. Commissioning identifies and implements cost-effective operational...
Persistent link: https://www.econbiz.de/10010603055
Applying Mencius decision-making thought and combing dialectical theories such as the relationship between intrinsic and extrinsic factors and relationship between primary and secondary contradictions and between primary and secondary aspects of contradictions, at the same time analyzing the...
Persistent link: https://www.econbiz.de/10011168153
The study aims to promote the off-season cut roses industry in Hainan Province to the whole island and even whole China. Based on the production data in latest three years, the theory of time value was introduced to analyze the economic benefits of cut roses planting in South Hainan. According...
Persistent link: https://www.econbiz.de/10011168222
Purpose The purpose of this paper is to describe and evaluate the time-varying and coupling dynamic characteristics of a 3-DOF parallel tool head. Design/methodology/approach From the view of control, a new dynamic index of a 3-DOF parallel tool head is proposed based on the dynamic model in the...
Persistent link: https://www.econbiz.de/10014835458
Purpose The purpose of this study is to develop a modified parameter identification method and a novel measurement method to calibrate a 3 degrees-of-freedom (3-DOF) parallel tool head. This parallel tool head is a parallel mechanism module in a five-axes hybrid machine tool. The proposed...
Persistent link: https://www.econbiz.de/10014835742
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