In petroleum extraction,the sealing surfaces of bolted joints are susceptible to damage due to the high-temperature and high-pressure conditions in wellbores.This damage adversely affects sealing performance,consequen...
supported by the National Natural Science Foundation of China(NSFC No.72063015,72071098);the Key Research Base Project of Humanities and Social Sciences in Jiangxi Province Universities(JD21050);Fundamental Research Funds for the Central Universities(41004885).
Using expected utility under uncertain probability theory(EUUP,Izhakian,2017,2020),we study whether the ambiguity related to individual stocks is priced in the Chinese A-share market and the mechanism behind the ambig...
The spread of natural gas in the main international natural gas markets shows charac-teristics of violent fluctuation,frequent mutation,and periodic evolution,which pose a great challenge to the safety and sustainable...
In this paper,we present a new precipitation model based on a multi-factor Ornstein-Uhlenbeck approach of pure-jump type.In this setup,we derive a representation for the related precipitation swap price process and in...
The meaning of each part of the screw-on curve,the definition of shoulder torque,and the common characteristics of the screw-on curve are introduced.Moreover,the principle and shortcomings of the commonly used method ...
The performance characteristics,particularly the starting performance of direct line-fed induction motors,which are mainly influenced by the design of the rotor,are crucial considerations for end-users.It is quite a c...