EXPERIMENTAL STUDY ON THE EFFECTS OF HYDROGEN INJECTION STRATEGY ON THE COMBUSTION AND EMISSIONS OF A HYDROGEN/GASOLINE DUAL FUEL SI ENGINE UNDER LEAN BURN CONDITION

Hydrogen addition can read more improve the performance and extend the lean burn limit of gasoline engines.Different hydrogen injection strategies lead to different types of hydrogen mixture distribution (HMD), which affects the engine performance.Therefore, the present study experimentally investigated the effects of hydrogen injection strategy on

Cable incipient fault (CIF) is a potential fault which may recur over time and evolve into permanent fault eventually.The identification of CIF can help to reduce the likelihood of a permanent fault and enhance power supply reliability.This paper fully considers the randomness and uncertainty of CIF waveforms, and proposes a CIF identification meth

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BackgroundPatients with primary and secondary antibody deficiency are vulnerable to COVID-19 and demonstrate diminished responses following two-dose SARS-CoV-2 vaccine schedules.Third primary vaccinations have been deployed to enhance their humoral and cellular immunity.ObjectivesTo determine the immunogenicity of the third primary SARS-CoV-2 immun

Gut microbial structure in animals depends on the host, dietary habits and local environment.A random event, dietary change or antibiotic treatment may alter the gut environment with possible repercussions for the bacterial community composition and functionality and ultimately host fitness.The present study was focused on the composition, structur