Accès ouvert
2026
article
OpenAlex
Liu Hengchi, Liu Huang, Ziyan Fu, Xinya Wang et autres
ABSTRACT The direct conversion of methane into value‐added chemicals under mild conditions offers a sustainable pathway to utilize this abundant hydrocarbon feedstock and mitigate greenhouse gas emissions. However, the thermodynamic stability of the C─H bond and the propensity for product overoxidation pose …
cn
(code pays fourni par la source)
Accès ouvert
2016
article
OpenAlex
Yuntao Zhao, Liu Hengchi, Yongxin Feng
DDoS attacks can prevent legitimate users from accessing the service by consuming resource of the target nodes, whose availability of network and service is exposed to a significant threat. Therefore, DDoS traffic perception is the premise and foundation of the whole system …
cn
(code pays fourni par la source)
2015
conference-paper
OpenAlex
Yingchun Huang, Rui Zhong, Liu Hengchi
For the accurate QoS information service selection does not reflect the uncertainty of QoS problems, firstly, to analyze the Web service QoS information uncertainty in Web services selection, and describes the QoS bulletin value, demand value and weight constraints of uncertain representation. …
cn
(code pays fourni par la source)
2015
conference-paper
OpenAlex
Liu Hengchi
With the development of new navigation signals, BOC modulation signals are applied gradually, however, BOC signals have brought new challenges in the synchronization acquisition. Considering the drawbacks of existing methods in side peaks suppression, researching the characters of BOC (2n, n) and …
cn
(code pays fourni par la source)
2015
conference-paper
OpenAlex
Huanhuan Li, Tao Sui, Liu Hengchi
Based on the research of air-ground data link communication principle, the model of air-ground data link communication between multiple aerial platforms and single ground station is designed. At the same time, combined with the research of the software interface development between STK, …
cn
(code pays fourni par la source)