Hydrogenation modification is one of the most important ways to produce high-quality petroleum resin.The colorless C9 petroleum resin (C9PR) was obtained by two
The equivalent linearization method approximates the maximum displacement response of nonlinear structures through the corresponding equivalent linear system.By
To further understand the hardening mechanism of austenitic manganese steel under actual working conditions,the work hardening ability was studied and the micro
Recent research progress and development of the palladium catalysts for methane combustion are described in this study.The influence of active species,precursor
Associated with ITU-T G.719,a post-processing method in frequency domain for enhancing the perceptual quality of the decoded transient audio is proposed only to